BB Electronics Model Vehicle ESR901 User Manual

RS-232/422/485  
Multi-Interface Industrial  
Ethernet Serial Servers  
Models: ESR901, ESR902, ESR904  
Manual Documentation Number: ESR90x-0508m  
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com  
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com  
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International Headquarters  
B&B Electronics Mfg. Co. Inc.  
707 Dayton Road  
Ottawa, IL 61350 USA  
Phone (815) 433-5100 -- General Fax (815) 433-5105  
Sales e-mail: [email protected] -- Fax (815) 433-5109  
Technical Support e-mail: [email protected] -- Fax (815) 433-5104  
European Headquarters  
B&B Electronics Ltd.  
Westlink Commercial Park  
Oranmore, Co. Galway, Ireland  
Phone +353 91-792444 -- Fax +353 91-792445  
Sales e-mail: [email protected]  
Technical Support e-mail: [email protected]  
© B&B Electronics – January 2008  
Manual Documentation Number: ESR90x-0508m  
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com  
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com  
Download from Www.Somanuals.com. All Manuals Search And Download.  
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© 2008 B&B Electronics. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or  
mechanical, including photography, recording, or any information storage and retrieval system without written consent. Information  
in this manual is subject to change without notice, and does not represent a commitment on the part of B&B Electronics.  
B&B Electronics shall not be liable for incidental or consequential damages resulting from the furnishing, performance, or use of  
this manual.  
All brand names used in this manual are the registered trademarks of their respective owners. The use of trademarks or other  
designations in this publication is for reference purposes only and does not constitute an endorsement by the trademark holder.  
Manual Documentation Number: ESR90x-0508m  
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com  
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com  
Download from Www.Somanuals.com. All Manuals Search And Download.  
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Table of Contents  
CHAPTER 1: INTRODUCTION.............................................................................. 1  
FEATURES.................................................................................................................. 1  
COMMUNICATION MODES ......................................................................................... 3  
Direct IP Mode ..................................................................................................... 3  
Virtual COM Mode ............................................................................................... 3  
Paired Mode ......................................................................................................... 3  
Heart Beat............................................................................................................. 4  
SERIAL SERVER QUICK START GUIDE ....................................................................... 5  
Hardware Setup .................................................................................................... 5  
Software Installation............................................................................................. 5  
Serial Server Configuration.................................................................................. 6  
Install Virtual COM Ports on PC.......................................................................... 7  
Check Communications ........................................................................................ 7  
CHAPTER 2: MAKING THE HARDWARE CONNECTIONS ........................... 9  
PACKAGE CHECKLIST ................................................................................................ 9  
ESR90X INDICATORS, SWITCHES AND CONNECTORS .............................................. 10  
Indicators............................................................................................................ 10  
Switches .............................................................................................................. 10  
Connectors.......................................................................................................... 10  
SERIAL SERVER/PORT OPERATIONAL MODES ......................................................... 11  
Default Mode ...................................................................................................... 12  
Console Mode ..................................................................................................... 12  
Upgrade Mode .................................................................................................... 12  
RS-232 Mode....................................................................................................... 12  
RS-422 Mode....................................................................................................... 13  
RS-485H Mode.................................................................................................... 13  
RS-485F Mode .................................................................................................... 13  
RS-485 Receiver Biasing..................................................................................... 13  
CHAPTER 3: INSTALLING THE VLINX SOFTWARE.................................... 19  
SOFTWARE INSTALLATION....................................................................................... 19  
Automatic Installation......................................................................................... 19  
Manual Installation............................................................................................. 19  
Updating an Existing Installation....................................................................... 21  
Opening the ESP Manager ................................................................................. 22  
Manual Documentation Number: ESR90x-0508m  
Table of Contents  
i
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CHAPTER 4: USING ESP MANAGER................................................................. 23  
HARDWARE SETUP .................................................................................................. 23  
SOFTWARE SETUP.................................................................................................... 24  
SOFTWARE OVERVIEW ............................................................................................ 25  
Menus.................................................................................................................. 25  
Server Icons Pane ............................................................................................... 27  
Serial Server / Virtual COM Lists....................................................................... 27  
Status Bar............................................................................................................ 28  
SEARCH FOR SERVERS ............................................................................................. 28  
CONFIGURE SERVER PROPERTIES ............................................................................ 29  
CHAPTER 5: CONFIGURING THE SERIAL SERVER PROPERTIES.......... 31  
DESCRIPTION OF THE SERVER PROPERTIES.............................................................. 32  
Server Name........................................................................................................ 32  
Serial Number..................................................................................................... 32  
Password............................................................................................................. 32  
DHCP ................................................................................................................. 32  
IP Address........................................................................................................... 33  
Netmask............................................................................................................... 34  
Gateway .............................................................................................................. 34  
MAC Address ...................................................................................................... 34  
Version & Date ................................................................................................... 34  
Link Status........................................................................................................... 34  
Server Serial Port ............................................................................................... 34  
Baud Rate............................................................................................................ 34  
Data/Parity/Stop ................................................................................................. 34  
Flow Control....................................................................................................... 35  
TCP/UDP Protocol............................................................................................. 35  
Serial Timeout..................................................................................................... 36  
TCP Alive Timeout.............................................................................................. 36  
Connection Mode................................................................................................ 36  
Delimiter HEX 1 and Delimiter HEX 2............................................................... 36  
Force Transmit.................................................................................................... 37  
Port Status........................................................................................................... 37  
TCP/UDP Port.................................................................................................... 37  
Serial Port Mode................................................................................................. 37  
Connection At ..................................................................................................... 38  
Max Connection.................................................................................................. 38  
Remote IP Address.............................................................................................. 38  
Update/Save........................................................................................................ 39  
CHAPTER 6: INSTALLING VIRTUAL COM PORTS ...................................... 41  
VIRTUAL COM PORT INSTALLATION ...................................................................... 41  
ii  
Table of Contents  
Manual Documentation Number: ESR90x-0508m  
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com  
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com  
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MATCHING THE SERIAL SERVER AND VIRTUAL COM PORT SETTINGS ................... 44  
CHAPTER 7: REMOVING VIRTUAL COM PORTS......................................... 47  
REMOVING THE VIRTUAL COM PORT WITH ESP MANAGER ................................... 47  
REMOVING THE VIRTUAL COM PORT USING DEVICE MANAGER ............................ 48  
CHAPTER 8: UPGRADING THE SERIAL SERVER FIRMWARE................. 51  
DOWNLOADING THE FIRMWARE .............................................................................. 51  
UPGRADING VIA ESP MANAGER............................................................................. 51  
Preparing the Software....................................................................................... 51  
Upgrading the Firmware .................................................................................... 52  
CHAPTER 9: USING CONSOLE MODE ............................................................. 53  
CONSOLE MODE SETUP ........................................................................................... 53  
Navigating the Configuration Menus.................................................................. 54  
Using a Password ............................................................................................... 55  
CHAPTER 10: USING THE WEB SERVER ........................................................ 57  
SETTING SERVER PROPERTIES ................................................................................. 57  
CHAPTER 11: USING TELNET............................................................................ 61  
CONFIGURATION USING TELNET ............................................................................. 61  
Navigating the Configuration Menu ................................................................... 63  
CHAPTER 12: ESR90X TECHNICAL DATA...................................................... 65  
APPENDIX A: RS-232 CONNECTIONS............................................................... 70  
SERIAL SERVER DB-9 PIN-OUTS IN RS-232 MODE.................................................. 70  
ESR901 TERMINAL BLOCK PIN-OUT IN RS-232 MODE ........................................... 71  
APPENDIX B: RS-422/485 CONNECTIONS........................................................ 72  
ESR90X DB-9 PIN-OUT IN RS-422 MODE ............................................................... 72  
ESR901 TERMINAL BLOCK PIN-OUT IN RS-422 MODE ........................................... 73  
APPENDIX C: RS-485 CONNECTIONS............................................................... 74  
ESR90X DB-9 PIN-OUT IN RS-485H (TWO-WIRE, HALF DUPLEX) MODE................. 74  
ESR90X DB-9 PIN-OUT IN RS-485F (FOUR-WIRE, FULL DUPLEX) MODE ................ 75  
ESR901 TERMINAL BLOCK PIN-OUT IN RS-485F (FOUR-WIRE, FULL DUPLEX) MODE  
................................................................................................................................ 76  
APPENDIX D: NETWORK CONNECTIONS...................................................... 77  
STANDARD ETHERNET CABLE RJ-45 PIN-OUT......................................................... 77  
CROSSOVER ETHERNET CABLE RJ-45 PIN-OUT ....................................................... 78  
Manual Documentation Number: ESR90x-0508m  
Table of Contents  
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B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com  
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iv  
Table of Contents  
Manual Documentation Number: ESR90x-0508m  
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com  
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com  
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Introduction  
Chapter 1: INTRODUCTION  
VLINX ESR90x Industrial Ethernet Serial Servers allow connection of RS-  
232, RS-422 or RS-485 devices to an Ethernet network. The serial ports can  
be accessed over a LAN/WAN using Direct IP Mode, Virtual COM Port, or  
Paired Mode connections. The 10/100 Mbps Ethernet connection auto-  
selects 10BaseT or 100BaseTX and indicates the type of connection with a  
bi-color link light. ESR90x serial servers are built for use in industrial  
environments, featuring an IP30, approved slim line DIN rail mountable  
case. They operate from a range of AC or DC power supply voltages, support  
redundant DC power and feature terminal block power connectors.  
Figure 1. VLINX ESR90x Ethernet Serial Servers  
Features  
Multi-interface serial ports  
o
The ESR901 features one multi-interface serial port and the  
choice of standard DB-9M or removable terminal block  
connections (switch selectable)  
o
o
The ESR902 features two multi-interface serial ports  
The ESR904 features four multi-interface serial ports  
Manual Documentation Number ESR90x-0508m  
Chapter 1  
1
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Introduction  
o
o
All ports are software selectable as RS-232, RS-422, RS-485  
full duplex or RS-485 half duplex interfaces  
For all models Port 1 is software, or DIP switch selectable for  
Console Mode operation (configuration via direct serial  
connection)  
Slim line DIN rail mountable case  
Accepts AC or DC power over a wide volt range  
Redundant DC power supply input  
10/100 Mbps Ethernet with Auto Selection  
LAN and WAN Communications  
TCP or UDP Client or Server operation - configurable  
Software Support - Windows 98/ME/2000/2003/XP/ NT 4.0 and Vista  
Firmware Upload for future revisions/upgrades  
Configuration of Ethernet and serial port settings can be accomplished  
using any of four methods:  
o
VLINX ESP Manager Software for Windows allows  
configuration via a network connection or directly from the  
Ethernet port of a computer (using an Ethernet crossover cable).  
o
o
o
Web Server allows configuration via the network using a web  
browser.  
Telnet allows configuration via the network by accessing the  
setup configuration menu.  
Console Mode allows configuration through an RS-232 serial  
port in using a VT100 Terminal Emulation program and an RS-  
232 crossover cable.  
Virtual COM Driver Software for Windows - installs virtual COM  
ports, viewable in the Windows Device Manager under Ports (COM &  
LPT). Virtual COM port provides access to any of the ports on the Serial  
Server, like any other serial port (legacy, PCI, USB or PCMCIA) on the  
computer. Any program running on the computer and using Windows-  
based COM ports can access the serial devices attached to the Serial  
Server. The LAN becomes transparent to the serial device and the  
software running on the PC.  
Heart Beat Connection  
-
selectable protocol ensures reliable  
communications in Virtual COM Port or Paired Connection modes. This  
feature restores the connections if communications are temporarily lost  
at either end due to loss of power or the Ethernet connection.  
2
Chapter 1  
Manual Documentation Number: ESR90x-0508m  
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com  
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com  
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Introduction  
Communication Modes  
The ESR90x Serial servers enable communication with serial devices over a  
LAN or WAN. Serial devices no longer are limited to a physical connection  
to the PC COM port. They can be installed anywhere on the LAN using  
TCP/IP or UDP/IP communications. This allows traditional Windows PC  
software access to serial devices anywhere on the LAN/WAN network.  
Direct IP Mode  
Direct IP connections allow applications using TCP/IP or UDP/IP socket  
programs to communicate with the asynchronous serial ports on the serial  
server. In this type of application the serial server is configured as a TCP or  
UDP server. The socket program running on the PC establishes a  
communication connection with the Serial Server. The data is sent directly  
to and from the serial port on the server. When using UDP protocol the  
server can be configured to broadcast data to and receive data from multiple  
IP addresses.  
Virtual COM Mode  
Install Virtual COM Mode allows the user to add a driver, to provide a virtual  
COM port on the computer. The new COM port shows up in the Device  
Manager. Windows programs using standard Windows API calls are able to  
interface to virtual COM ports. When a program on the PC opens the new  
COM port, it communicates with the remote serial device connected to one  
of the ports on the Serial Server.  
After connection, the LAN is transparent to the program and serial device.  
Applications are able to work just as if the serial device is connected directly  
to a physical COM port on the computer. The virtual COM port software  
converts the application’s data into IP packets, sends it across the network to  
the Serial Server, which converts the IP packet back to serial data and sends  
the data out a serial port located on the Serial Server.  
To use this mode, the Serial Server must be set to either TCP/server or  
UDP/server with a designated communication port number. The virtual COM  
driver is the TCP or UDP client.  
Paired Mode  
Paired Mode is also called serial tunneling. In this mode any two serial  
devices that can communicate with a serial link will be able to communicate  
using two Serial Servers and the LAN.  
Manual Documentation Number ESR90x-0508m  
Chapter 1  
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Introduction  
Two Serial Servers are connected to a network, one configured as a TCP or  
UDP client and the other as a TCP/UDP server. When setting up the server  
the remote IP address section must contain the address of the client. This will  
allow the client’s IP address to pass the IP address-filtering feature of the  
server. Conversely, the Remote IP address of the client must contain the  
server’s IP address. Both communication port numbers must be the same.  
Heart Beat  
The Heart Beat protocol connection provides a reliable communications  
connection in Virtual COM Port Mode or with Paired Connection Mode.  
This feature restores the connection if communications are temporarily lost at  
either end due to loss of power or Ethernet connection.  
Without this feature a device that loses a connection and stops  
communicating would not be able to reconnect without human intervention.  
A TCP data connection can be lost when there is a power failure or  
temporary loss of an Ethernet connection on either the client or server. If a  
loss occurs the Heart Beat feature will try to reconnect the TCP data  
connection every five seconds until communications is established again. The  
Heart Beat feature is available for use in Virtual COM Port Mode and Paired  
Connection Mode. This is not available when using a UDP application.  
4
Chapter 1  
Manual Documentation Number: ESR90x-0508m  
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com  
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com  
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Introduction  
Serial Server Quick Start Guide  
For descriptive purposes this Quick Start Guide considers a typical  
configuration consisting of a PC connected via an Ethernet LAN to an  
ESR902 Serial Server connected to the RS-232 port of a serial device.  
Hardware Setup  
Ethernet  
cable  
LAN  
Ethernet  
cable  
ESR902  
PC  
RS-232  
cable  
Serial Device  
Figure 2. Typical Hardware Setup  
Step 1: Connect the Serial Server to the network using a standard network  
cable.  
Step 2: Connect the Serial Server to the RS-232 port on the serial device.  
Note:  
If the serial device is configured as a DCE use a straight-through serial cable. If  
the serial device is configured as a DTE use a crossover (null modem) cable.  
Step 3: Set the Run/Console DIP switch to the Run position.  
Step 4: Apply power to the Serial Server.  
Software Installation  
Using the CD included with the Serial Server, install the VLINX Manager  
software on the configuring computer.  
Manual Documentation Number ESR90x-0508m  
Chapter 1  
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Introduction  
Serial Server Configuration  
Step 1: Open the ESP Manager software. It will automatically search for  
any reachable (ESP or ESR) Serial Servers. A list of all Serial  
Servers connected to the LAN will appear in the Serial Server List  
window.  
Step 2: Double click the desired Serial Server port on the list to bring up the  
Server Properties configuration screen.  
Figure 3. The Server Properties Window  
Step 3: Change the Server Properties as required.  
Enable DHCP to allow the Serial Server to generate its own IP  
address  
OR  
Obtain appropriate static IP, Netmask and Gateway addresses  
from your Network Administrator (recommended)  
Set the Serial Port Mode property to RS-232 to match the serial  
device connected to the Serial Server.  
Set Baud Rate, Data/Parity/Stop, and Flow Control to match  
the configuration of the serial device connected to the Serial  
Server port  
Step 4: When the parameters have been set, click Update. Following the  
prompts in the dialogue boxes, Restart the Serial Server and  
Search all reachable servers again.  
6
Chapter 1  
Manual Documentation Number: ESR90x-0508m  
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com  
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com  
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Introduction  
Step 5: Re-enter Server Properties to verify the changes have taken effect,  
or to view/change the configuration of other ports. Each port must  
be configured separately.  
Install Virtual COM Ports on PC  
Step 1: From the Windows Start menu, run the Install Virtual COM Ports  
utility included with the VLINX software,  
Step 2: Search for all servers on the network  
Step 3: Select a port and map it to an unused COM port (e.g. Port 15).  
Configure it for TCP protocol and the appropriate IP address  
(determined in the last section).  
Figure 4. Configuring the Virtual COM Port  
Check Communications  
Step 1: From the Windows Start menu, run HyperTerminal  
Step 2: Configure HyperTerminal to connect using the COM port  
configured in the last section (e.g. Port 15).  
Step 3: Set Baud Rate, Data/Parity/Stop, and Flow Control to match the  
configuration of the serial device connected to the Serial Server  
serial port.  
Step 4: Communications with the serial device should now be operational.  
Manual Documentation Number ESR90x-0508m  
Chapter 1  
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Introduction  
8
Chapter 1  
Manual Documentation Number: ESR90x-0508m  
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B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com  
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Making the Hardware Connections  
Chapter 2: MAKING THE HARDWARE  
CONNECTIONS  
Package Checklist  
ESR90x Serial Servers are shipped with the following items included:  
9
9
9
Serial Server Module  
This Operation Manual  
CD-ROM disc with manual, VLINX ESP Manager and Virtual COM  
Driver software for Windows 98/ME/2000/2003/XP/NT 4.0/Vista  
ESR904  
ESR901  
ESR902  
GN D  
AC In  
GN D  
AC In  
GND  
AC In  
AC/DC+ In  
AC/DC+ In  
AC/DC+ In  
Backup DC + In  
Ba ckup DC + In  
Backup DC+ In  
Voltage Range:  
9-48VDC  
V ol tage Range:  
9-48VDC  
Voltage R ange:  
9-48VDC  
Link  
Link  
Link  
8-24VAC  
8-24VAC  
8-24VAC  
R eady  
R eady  
Ready  
Power  
Power  
Power  
Reset  
Run  
Reset  
Reset  
Run  
Console  
Terminal  
Run  
DB9  
Console  
Console  
Ethernet  
Ethernet  
Ether net  
RX TX  
RX TX  
RX TX  
RX TX  
RX TX  
RS-232/422/485  
1
1
2
1
1
2
RX TX  
RX TX  
3
4
Figure 5. Front View of the ESR901, ESR902 and ESR904  
Serial Servers  
Manual Documentation Number: ESR90x-0508m  
Chapter 2  
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Making the Hardware Connections  
ESR90x Indicators, Switches and Connectors  
Indicators  
One bi-color Link LED (Yellow = 10BaseT, Green = 100Base T)  
One green Ready LED (flashing = system ready)  
One red Power LED  
One red RX LED and one green TX LED for each serial port  
Switches  
Reset  
A recessed reset switch that allows the united to be reset. Insert a small  
plastic tool, press lightly and hold for three seconds. The Link and Ready  
lights will go out and then come back on.  
Run/Console Switch  
A recessed single DIP (dual inline package) switch that allows the Serial  
Server to be switched between Run Mode and Console Mode. When  
switched to the Console position the Serial Server enters Console Mode. This  
allows you to configure the Serial Server from a PC running a terminal  
program such as HyperTerminal without connecting the server to the  
network. To communicate with the connected serial device the switch must  
be returned to “Run” position.  
DB-9/Terminal Switch (ESR901 only)  
Allows connection to the serial port (RS-232, 422 or 485) via the DB-9M  
connector or the five-terminal removable terminal block.  
Connectors  
Ethernet Connector  
One standard RJ-45 receptacle that allows the Serial Server to be connected  
to an Ethernet hub, switch, or wall plate using a standard straight-through RJ-  
45 (male) Ethernet cable. To connect directly to an RJ-45 Ethernet port on a  
PC or laptop a crossover Ethernet cable must be used.  
10  
Chapter 2  
Manual Documentation Number: ESR90x-0508m  
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com  
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com  
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Making the Hardware Connections  
Serial Port(s)  
ESR901: One serial port with two connector options: one (DB-9M) or  
one five-terminal removable terminal block (DIP switch selectable)  
ESR902: Two serial port connectors (DB-9M)  
ESR904: Four serial port connectors (DB-9M)  
Note:  
Refer to Appendices A, B and C for connection pin-outs.  
Power Connector  
The power connector is a removable terminal block with four terminals.  
From top to bottom the terminals are:  
Terminal  
Connect to  
Description  
Negative side of DC  
power supply (if DC  
power used)  
Internally, the chassis ground of the Serial  
Server is connected to this terminal.  
GND  
Also connect negative  
side of Backup DC  
power supply (if used)  
One side of AC power  
supply (if AC power  
used)  
AC In  
The other side of AC  
power supply (if AC  
power used)  
Either AC or DC power can be used to  
power ESR Serial Servers. Power supply can  
voltages range from 9 V to 48 VDC or 8 V  
to 24 VAC.  
AC/DC +  
In  
OR  
Positive side of DC  
power supply (if DC  
power used)  
Positive side of  
Backup DC power  
supply  
Backup  
DC+ In  
Backup power must be DC voltage and can  
be any voltage between 9 VDC and 48 VDC.  
Serial Server/Port Operational Modes  
Using the ESP Manager, Web Server or Telnet the Serial Server can be put  
into Console Mode, Default Mode or Upgrade Mode. The serial ports can be  
configured for RS-232, RS-422, RS-485H (half duplex) or RS-485F (full  
duplex) operation. The server also can be put into Console Mode by placing  
the Run/Console switch in the Console position.  
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Making the Hardware Connections  
Default Mode  
When Default Mode is selected and the server properties are Updated  
(Saved) all the configuration settings return to their default values.  
Note:  
Refer to Chapter 5 for details on Serial Server Configuration settings. See  
Chapter 12 for Serial Server default parameters.  
Console Mode  
In Console Mode the Configuration Menu can be accessed from a PC by  
connecting its RS-232 serial port to the ESR901 serial port or ESR902/904  
Serial Port 1. Since the computer is a DTE device, and the serial ports are  
configured as DTEs (with DB-9M connectors), a null modem crossover cable  
must be used.  
In Console Mode the default serial port settings are: 9600 baud, 8 data bits,  
No parity, and 1 stop bit. From Windows, HyperTerminal with VT100  
terminal emulation can be used for Console Mode configuration.  
Note:  
Refer to Chapter 9 for details on Console Mode  
Upgrade Mode  
In Upgrade Mode firmware can be uploaded from a PC via its serial port to  
the ESR901 serial port or ESR902/904 Serial Port 1. Upgrading also can be  
accomplished via the network connection, using the ESP Manager software  
and a virtual COM port.  
Note:  
Refer to Chapter 8 for details on Upgrade Mode  
RS-232 Mode  
In RS-232 Mode the currently selected serial port is configured as an RS-232  
interface supporting eight RS-232 signal lines plus Signal Ground and is  
configured as a DTE, like a computer. Signals are single ended and  
referenced to Ground. To use handshaking, Flow Control must be set to  
RTS/CTS during configuration.  
12  
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Making the Hardware Connections  
RS-422 Mode  
In RS-422 Mode the currently selected serial port is configured as an RS-422  
interface supporting four RS-422 signal channels with full duplex operation  
for Receive, Transmit, RTS (Request To Send) and CTS (Clear To Send).  
The data lines are differential pairs (A & B) in which the B line is positive  
relative to the A line in the idle (mark) state. Ground provides a common  
mode reference. To use handshaking, Flow Control must be set to RTS/CTS  
during configuration.  
RS-485H Mode  
In RS-485H Mode the currently selected port is configured as a two-wire RS-  
485 interface supporting DataB(+) and DataA(-) signal channels using half-  
duplex operation. The data lines are differential with the Data B line positive  
relative to Data A in the idle (mark) state. Ground provides a common mode  
reference.  
RS-485F Mode  
In RS-485F Mode the currently selected port is configured as a four-wire RS-  
485 interface supporting transmit lines TXDB(+) and TXDA(-) and receive  
lines RXDB(+) and RXDA(-) for full duplex operation. The lines are  
differential with the B line positive relative to A in the idle (mark) state.  
Ground provides a common mode reference.  
RS-485 Receiver Biasing  
RS-485 Receiver Biasing can be implemented from the Serial Server if the  
network does not supply it. Remove the four screws from the cover of the  
Serial Server, slide the cover off and re-position the bias jumpers as indicated  
in the diagrams and tables below. Note that ESR Serial Servers provide  
separate jumpers for RS-485 half duplex and RS-422/485 full duplex  
operation. Also, the ESR901 provides separate jumpers for the terminal block  
and DB-9 connectors. Biasing jumpers are also provided for CTS inputs.  
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Making the Hardware Connections  
J7 J13 J6 J12  
J11  
J5  
J10  
J4  
J9 J3  
Figure 6. ESR901 Bias Jumper Locations  
Jumper  
Connector  
Interface Type  
485 half duplex  
Pull up/pull down  
Number  
J12  
J6  
pull up  
pull down  
pull up  
Terminal  
block  
J7  
422/485 full duplex  
J13  
J3  
pull down  
pull up  
485 half duplex  
422/485 full duplex  
CTS  
J9  
pull down  
pull up  
J5  
DB-9  
J11  
J4  
pull down  
pull up  
J10  
pull down  
Figure 7. ESR901 Bias Jumpers  
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Making the Hardware Connections  
J11 J1 6  
J9  
J15  
J7  
J6  
J13 J3  
J14  
J4  
J2  
J10  
Figure 8. ESR902 Bias Jumper Locations  
Jumper  
Number  
Port  
Interface Type  
485 half duplex  
422/485 full duplex  
CTS  
Pull up/pull down  
J2  
pull up  
pull down  
pull up  
J10  
J4  
1
J14  
J7  
pull down  
pull up  
J6  
pull down  
pull up  
J9  
485 half duplex  
422/485 full duplex  
CTS  
J15  
J3  
pull down  
pull up  
2
J13  
J11  
J16  
pull down  
pull up  
pull down  
Figure 9. ESR902 Bias Jumpers  
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Making the Hardware Connections  
J26J11  
J16 J24  
J13  
J21  
J14  
J9  
J28  
J8  
J12 J27  
J10 J25  
J22  
J17  
J20  
J7  
J19  
J6  
J5 J18  
J3  
J2  
Figure 10. ESR904 Bias Jumper Locations  
16  
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Making the Hardware Connections  
Jumper  
Port  
Interface Type  
485 half duplex  
422/485 full duplex  
CTS  
Pull up/pull down  
Number  
J22  
J17  
J7  
pull up  
pull down  
pull up  
1
J21  
J13  
J9  
pull down  
pull up  
pull down  
pull up  
J3  
485 half duplex  
422/485 full duplex  
CTS  
J2  
pull down  
pull up  
J8  
2
3
4
J20  
J14  
J28  
J12  
J27  
J6  
pull down  
pull up  
pull down  
pull up  
485 half duplex  
422/485 full duplex  
CTS  
pull down  
pull up  
J19  
J11  
J26  
J16  
J24  
J5  
pull down  
pull up  
pull down  
pull up  
485 half duplex  
422/485 full duplex  
CTS  
pull down  
pull up  
J18  
J10  
J25  
pull down  
pull up  
pull down  
Figure 11. ESR904 Bias Jumpers  
Note:  
(For more information on RS-485 Receiver Biasing, see B&B Electronics RS-  
422/485 Application Note available at www.bb-elec.com)  
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Making the Hardware Connections  
18  
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Installing the VLINX Software  
Chapter 3: INSTALLING THE VLINX  
SOFTWARE  
The Windows-based ESP Manager and Virtual COM Port software makes  
configuration fast and easy. If using Windows, installing the ESP Manager  
software and setting up virtual COM ports to configure the Serial Server is  
recommended.  
Software Installation  
The VLINX software includes:  
ESP Manager  
Install Virtual COM Ports  
Uninstall Virtual COM Ports  
Automatic Installation  
Step 1a: Inserting the VLINX CD in the CD-ROM should automatically  
launch the Install Shield Wizard.  
Manual Installation  
Step 1b: To manually start the software installation, from the Windows  
Desktop, click Start button. At the Run command line type  
D:start.exe then click OK. (D: is the drive letter for the CD ROM.)  
Figure 12. The Run Dialogue Box  
The Install Shield Wizard window will be displayed.  
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Installing the VLINX Software  
Figure 13. The Install Shield Wizard Window  
Step 2: When the VLINX ESP Setup window appears, click Next.  
Figure 14. VLINX ESP Setup Window  
Figure 15. The Choose Destination Window  
Step 3: When Choose Destination Location appears, click Next.  
The installation progress will be shown until complete.  
20  
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Installing the VLINX Software  
Figure 16. The Install Shield Wizard Complete Window  
Step 4: Click Finish when the Install Shield Wizard Complete dialogue  
appears. When finished, dialogue box will close.  
Updating an Existing Installation  
If an older version of the ESP Manager software is already installed, the  
Modify, repair or remove the program window will appear when the  
installation process is initiated:  
Figure 17. The InstallShield Wizard Modify, Repair or Remove  
Screen  
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Installing the VLINX Software  
The recommended procedure is to Remove all installed components first.  
Once the software has been removed, Install the new software.  
Opening the ESP Manager  
Step 5: If the Serial Server is not already connected to the network or to the  
Ethernet port on the computer, connect it. Set the Run/Console  
switch to the Run position. Apply power.  
The Power indicator should light red, the Link light should indicate  
which type of Ethernet connection has been made and the Ready  
LED will flash indicating configuration can begin.  
Step 6: Start the ESP Manager software. In Windows Desktop, click:  
Start Programs B&B Electronics VLINX ESR Servers  
VLINX ESP Manager.  
As soon as the ESP Manager opens it will initiate Searching  
Server and after a few seconds the Serial Server List will display  
all (ESP90x and ESR90x) Serial Servers on the network.  
Figure 18. ESP Manager Displaying all ESR90x Serial Servers  
22  
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Using ESP Manager  
Chapter 4: USING ESP MANAGER  
The ESP Manager software allows:  
Searching for servers connected to the network  
Displaying and changing the configuration of those servers  
Installing virtual COM ports on a computer  
Displaying and configuring virtual COM ports  
Uninstalling virtual COM ports on a computer  
Upgrading the Serial Server firmware  
Monitoring Port Status  
Saving and Loading Configuration Files  
Hardware Setup  
Step 1: Connect the Serial Server to the LAN or to a computer Ethernet  
port. Set the Run/Console DIP switch on the Serial Server to the  
Run position  
Ethernet  
cable  
LAN  
Ethernet  
ESR902  
cable  
PC  
RS-232  
cable  
Serial Device  
Figure 19. Ethernet Connection via a LAN  
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Using ESP Manager  
Et hernet  
crossover  
cable  
PC  
ESR902  
RS-232  
cable  
Serial Device  
Figure 20. Direct Ethernet Connection using a Crossover Cable  
Note:  
Use an Ethernet Crossover Cable if connecting directly to a computer LAN  
card.  
Step 2: Apply power. The red Power indicator will light, the Link indicator  
lights when an Ethernet connection is made, and the Ready indicator  
will flash.  
Software Setup  
Step 3. To run the ESP Manager, from the Windows Desktop click:  
Start Programs B&B Electronics VLINX ESR Servers  
VLINX ESP Manager  
As soon as the ESP Manager opens it will initiate Searching  
Server and after a few seconds the Serial Server List will display  
all (ESP90x and ESR90x) Serial Servers on the network.  
24  
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Using ESP Manager  
Figure 21. The VLINX ESP Manager Window  
Software Overview  
The VLINX ESP Manager window provides the following information:  
Menus (Server, View, Exit, Help)  
Server Icons (Firmware Upgrade, Virtual COM Configuration,  
Searching Server, Uninstall Virtual COM, Monitor Port Status)  
Serial Server / Virtual COM Lists  
Software Status (Ready, Updating, Searching, etc)  
Menus  
Server  
Firmware Upgrade - Used when downloading new firmware to the  
Serial Server.  
Note:  
See Chapter 8 for more information on upgrading firmware.  
Virtual COM Configuration - Selects the Virtual COM List. Double  
clicking on any COM port in the Virtual COM List brings up a window  
that allows changing the virtual COM settings such as Flow Control,  
Protocol, IP address, and Port Number. Virtual COM settings must  
match Serial Server port settings.  
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Using ESP Manager  
Searching Server - Searches for Serial Servers on the network and  
brings back configuration information that will be displayed in the  
Server Properties window.  
Uninstall Virtual COM - Allows virtual COM ports to be uninstalled  
from the ESP Manager window.  
Monitor Port Status - Brings up a screen that displays the following  
information associated with the selected serial port:  
o
Serial TX: Displays the number of bytes of data sent to the  
serial device since the IP connection was established.  
o
Serial RX: Displays the number of bytes of data received from  
the connected serial device since the IP connection was  
established.  
o
o
DTR/RTS: The DTR/RTS Port Status indicator displays the  
current logic state of the DTR and RTS hardware handshake  
(output) lines for the selected Serial Server port (1 = asserted, 0  
= not asserted).  
DCD/DSR/CTS: The DCD/DSR/CTS Port Status indicator  
displays the current logic state being received on the DCD,  
DSR and CTS hardware handshake (input) lines for the selected  
Serial Server port (1 = asserted, 0 = not asserted)  
o
o
Status: Indicates whether the client software has made a  
connection with the Serial Server.  
IP Address: Displays the IP address of the connected client  
when there is a client connection  
Save Configuration File - Allows the user to save the current  
configuration information to a file with a .vcom extension.  
Load Configuration File - Allows the user to load a configuration file.  
View  
Provides three viewing options for the ESP Manager screen:  
Toolbar – allows the toolbar (directly under the menu bar) to be  
viewable or hidden  
Status Bar – allows the Status Bar (at the bottom of the screen to be  
viewable or hidden  
Split – allows the position of the split between the Icons pane and the  
Virtual COM List / Serial Server List panes to be dragged horizontally  
using the mouse  
26  
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Using ESP Manager  
Exit  
Allows you to Exit the ESP Manager program  
Help  
Accesses the About vcomui dialogue box, which indicates the software  
version number  
Server Icons Pane  
Firmware Upgrade, Virtual COM Configuration, Searching Server,  
Uninstall Virtual COM and Monitor Port Status can also be selected using  
icons located in the left window.  
Serial Server / Virtual COM Lists  
To make management of lists of serial server easier, lists can be sorted by  
clicking on any tab heading. Scrolling bars facilitate scrolling through long  
lists.  
Serial Server List  
Server Name - Displays the name of the Serial Server. The name is  
listed once for each port.  
IP Address - Displays the IP Address for the Serial Server. All ports in a  
Serial Server have the same the same IP address.  
Protocol - Displays the currently selected TCP or UDP mode for the  
Serial Server.  
Port - Displays the port number for each Serial Server port.  
COM Name - Displays the name of the computer COM port mapped to  
each Serial Server port. If no computer port has been mapped it displays  
Not mapped.  
Status - The Status indicates the mapped virtual COM port condition.  
o
o
Not Connected is shown when a program does not have the  
port Open.  
Connected is shown when that mapped port is Open for use.  
Virtual COM List  
COM Name - Displays the number of the COM port mapped to each  
Serial Server port.  
IP Address - Displays the IP Address for the Serial Server. All ports in a  
Serial Server have the same IP address.  
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Using ESP Manager  
Protocol - Displays the currently selected TCP or UDP mode for the  
Serial Server.  
Port - Displays the port number for each Serial Server port.  
Flow Control - Indicates what type of flow control is configured for  
each port.  
Status - Indicates whether each port is currently In Use or Not Used.  
Status Bar  
Displays the current status of the software in the bottom, left corner of the screen  
Ready  
Updating  
Searching reachable servers…  
Search for Servers  
Upon opening the ESP Manager software it will automatically  
execute Searching Server and search for all reachable ESR90x serial  
servers.  
Step 4: To manually initiate a search for servers, click Searching Servers  
(under the Servers menu or the icon on the left side of the screen).  
The Search Setup box will appear.  
It provides two options for searching for servers on the network:  
ƒ
ƒ
Specify the IP Address of the Serial Server  
Search all reachable servers  
Step 5: Enter the IP Address assigned to the desired Serial Server or click  
Search all reachable servers, then OK. IP Address is used to find  
Serial Server units that are not on the same subnet. (Routers on the  
network will block the standard broadcast used to find servers if  
Search all reachable servers is selected.) The user must set an IP  
address that conforms to the LAN addressing scheme.  
The Searching window is shown until all active Serial Servers on  
the LAN are listed in the Serial Server List window.  
28  
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Using ESP Manager  
Configure Server Properties  
The Server Properties window displays the current configuration  
properties for the currently selected server.  
Step 6: To open the Server Properties window, highlight the Serial Server  
in the Serial Server List window, double-click to open.  
The Server Properties window is used to configure and store the  
Server configuration settings. Details for setting Properties are  
described in the next chapter.  
Figure 22. The Server Properties Window  
Note:  
ESP Manager Navigation:  
-
-
-
-
Use the mouse to select the property and parameters or  
Tab to move to the next property  
Tab+Shift to move back to previous property  
Arrows to move between properties or change values or contents of the  
current property  
-
Enter to select update or cancel  
Step 7: After configuring as needed, click Update to store the configuration  
in the server.  
Step 8: Click Yes to restart. A dialogue box will appear indicating the  
server is restarting, then a dialogue box will ask whether you want to search  
for all reachable servers again.  
Step 9: Click Yes.  
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Using ESP Manager  
After the port has been updated you may want to re-enter Server Properties  
to verify the changes have taken effect, or to view/change the configuration  
of other ports. Each port must be configured separately.  
30  
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Server Properties Configuration  
Chapter 5: CONFIGURING THE SERIAL  
SERVER PROPERTIES  
The VLINX Serial Server can be configured using any of four different user  
interfaces: the ESP Manager software, Console Mode, Telnet or the Web  
Server. The Server Properties described in this chapter can be changed  
from any of these user interfaces.  
Figure 23. The Four Methods of Configuring Server Properties  
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Server Properties Configuration  
Description of the Server Properties  
Figure 24. ESP Manager Server Properties Window  
Server Name  
This field displays the name that has been assigned to the Serial Server. A  
new Server Name of up to 16 characters can be entered. If more than one  
Serial Server is connected on the LAN it is recommended that a new name be  
assigned to each. When the ESP Manager finds a Serial Server on the LAN  
it displays the server name and IP Address allowing the user to distinguish  
between Serial Servers.  
Serial Number  
Each Serial Server has a unique serial number.It is fixed and cannot be  
changed.  
Password  
Entering a password activates a security feature on the Serial Server. Once a  
password is entered it will be required to access the menu and make changes.  
DHCP  
DHCP servers are a part of numerous LAN management systems. The DHCP  
field provides two choices: Disable and Enable. Disable is the normal, or  
default, setting. When enabled, the Serial Server will send a DHCP request to  
the DHCP server, which will assign a dynamic IP address, net mask, and  
gateway to the Serial Server. If a DHCP server is not available on the  
network the Serial Server will time out after 10 seconds and the default  
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Server Properties Configuration  
values will remain. When DHCP is enabled, the IP Address, Netmask and  
Gateway fields become inaccessible and cannot be changed by the user.  
Note:  
A dynamic address assigned by the DHCP server may change if the server  
loses the Ethernet connection or power is removed. The host (client)  
communication software requests a connection to the specific IP address of the  
serial server. If the DHCP reassigns a different IP address the software will not  
be able to communicate with the hardware. Therefore, using a static IP address  
is recommended.  
IP Address  
Software or hardware attempting to access the Serial Server via the network  
must know the IP Address of the server. A static IP address is retained and  
remains the same each time the server is powered up or starts/restarts. The  
default IP address of the Serial Server is printed on a label on its bottom  
cover. Entering an appropriate address in the IP Address field and updating  
the server will change the server’s IP address. The network administrator can  
assign/establish the static address or group of addresses to be used.  
The IP Address of the Serial Server can be confirmed using the DOS Ping  
command.  
Note:  
To use Ping to check for communications:  
- Access a DOS window (in XP click Start, then Run)  
- At run prompt enter: CMD  
- In the DOS window enter: Ping xxx.xxx.xxx.xxx (IP address for the server to  
be confirmed)  
- The command will return the Ping results indicating 4 replies  
Figure 25. Pinging using the DOS command window  
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Server Properties Configuration  
Netmask  
The default LAN netmask is configured for a Class C address. The user may  
change this. Default is 255.255.255.0  
Gateway  
The Gateway IP address allows users to access the Serial Server from outside  
the LAN.  
MAC Address  
The MAC address is fixed and cannot be changed. It is assigned in the  
factory. Every Ethernet device manufactured has it own unique MAC  
address.  
Version & Date  
The currently loaded version of the firmware, and when it was released, is  
shown here.  
Link Status  
Link status automatically displays the type of Ethernet connection. It will  
either display 10BaseT or 100BaseTX in full duplex or half duplex. This will  
depend on the LAN, switches, hubs used in the LAN topology.  
Server Serial Port  
This field indicates the number of the port for with Serial Server properties  
are currently being displayed. Changing the number in this field will cause  
all the other fields to display the properties for the specified port. Note,  
however, that before changing ports, any changes to properties must be  
Updated (Saved) or the n will not retain them.  
Baud Rate  
The serial port baud rate on the Serial Server must match the serial baud rate  
of the connected device unless using Virtual COM Mode. In Virtual COM  
Mode the software program will establish serial settings.  
Data/Parity/Stop  
Set this to match the data format used by the serial device connected when  
Virtual COM Mode is not being used.  
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Server Properties Configuration  
Flow Control  
The Flow Control setting must match the requirements of the serial device  
connected.  
Note:  
Select None when setting the port as RS-485 or 4-wire RS-422.  
TCP/UDP Protocol  
Select TCP (Transmission Control Protocol) or UDP (User Datagram  
Protocol) protocol. If the application does not require a UDP connection,  
select TCP. TCP guarantees reliable communication with error checking  
whereas UDP provides faster transmission.  
UDP Mode  
When UDP mode is chosen the Serial timeout, TCP alive timeout,  
Connection mode, Connection at, Max connection and Remote  
IP address fields are replaced with the following four fields:  
Destination IP address range, Port number and Source IP  
address range. In this mode the server can be configured to  
broadcast data to and receive data from multiple IP addresses. Four  
IP address range fields are provided.  
Figure 26. The Server UDP Configuration Screen  
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Server Properties Configuration  
Serial Timeout  
Default for the Timeout property is 0, or no timeout. Setting Timeout to any  
value between 1 and 65535 seconds activates it. If Timeout is set to 5  
seconds and the Serial Server is configured as a Server, the Client makes a  
connection and communications starts. If communications are ideal for 5  
seconds the Serial Server will reset and make itself available for another  
client connection.  
TCP Alive Timeout  
The Serial Server monitors TCP activity. If TCP activity stops for the length  
of time specified in this field the connection will be closed. This field can be  
set to any value between 0 and 255 minutes. If zero, or no value, is entered  
into this field the server will not disconnect.  
Connection Mode  
The Connection Mode field has three options: Server, Client and Client (no  
heartbeat). When Client or Client (no heartbeat) is selected the  
Connection at field automatically becomes active (allowing the user to  
select Power up or Data Arrival).  
When using the Virtual COM Port feature, select Server.  
When using a TCP or UDP Socket program, select Server.  
When using Paired Mode communication between two serial servers set  
up one as a Client and the other as a Server.  
When connecting to a server that does not support Heartbeat, select  
Client (no Heartbeat).  
Delimiter HEX 1 and Delimiter HEX 2  
These fields allow the user to enter two ASCII characters (in hex format) that  
delimit the beginning and end of a message. When a message with both these  
delimiters is received at the serial port, the data contained in the serial buffer  
is placed in an Ethernet packet and sent out the Ethernet port. If only  
Delimiter 1 is set (Delimiter 2 is zero or blank), upon receiving Delimiter 1  
the Serial Server will put all the data in the serial buffer in an Ethernet packet  
and send it out the Ethernet port. If serial data greater than 1 kilobyte is  
received it will automatically be placed in an Ethernet packet and sent out the  
Ethernet port.  
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Server Properties Configuration  
Force Transmit  
This field allows the user to set a maximum time limit between transmissions  
of data. The value set in this field multiplied by 100 ms determines the Force  
Transmit time. When the elapsed time reaches the time configured in this  
field, the TCP/IP protocol will pack the data currently in the serial buffer into  
a packet and send it out the Ethernet port.  
Port Status  
This field indicates whether a serial port is connected via the Serial Server to  
a virtual COM port of a device on the network.  
TCP/UDP Port  
This sets the port number for connection. The default port number for the  
ESR901 serial port is 4000. The default port numbers for serials ports 1, 2, 3  
and 4 are 4000, 4001, 4002 and 4003 respectively.  
In all modes of operation, Direct IP or Virtual COM, the port number set in  
the Server Properties menu must match the Virtual COM or socket software  
port settings.  
Note:  
Example: The Virtual COM default setting is TCP/UDP Port 4000. If the port #  
property is changed to 4001, the virtual COM port will have to be changed to  
4001. The hardware settings can be changed from the ESP Manager or  
Console Configuration Menu. The Virtual COM port setting also can be  
changed within the Device Manager of the computer on which it is installed.  
Serial Port Mode  
Serial Port Mode allows configuration of the serial server for the following  
modes of operation:  
Console – When this mode is selected and the server is updated, a PC  
running a communications program such as HyperTerminal can  
communicate with the Serial Server via the Console Mode serial port  
(the serial Port on ESR901 or Port 1 on ESR902/904), displaying the  
Server Properties screen and allowing configuration of the server and  
its ports.  
Upgrade – When this mode is selected and the server is updated,  
firmware can be uploaded into the Serial Server via the Console Mode  
serial port or a virtual COM port mapped to the number of the Console  
Mode serial port.  
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Server Properties Configuration  
Default – When this mode is selected and the server is updated, it will  
revert the server to its default configuration.  
RS-232 – When this mode is selected and the server updated, the  
selected serial port will become an RS-232 serial port on the server.  
RS-422 – When this mode is selected and the server updated, the  
selected serial port will become an RS-422 serial port on the server.  
RS-485H – When this mode is selected and the server updated, the  
selected serial port will become a two-wire, half-duplex RS-485 serial  
port on the server.  
RS-485F – When this mode is selected and the server updated, the  
selected serial port will become a four-wire, full-duplex RS-485 serial  
port on the server.  
Connection At  
When the Connection Mode field is set to Client or Client (no heartbeat),  
this field becomes active, allowing the Serial Server (acting as a client) to  
connect to the server either on Power up or on Data Arrival (first character  
arriving).  
Max Connection  
This field allows the user to configure the Serial Server to have up to eight  
TCP connections.  
Remote IP Address  
This is a security feature activated by entering the IP address of the desired  
client. The Serial Server will only communicate with the listed IP address  
and all other requests for connection will be filtered out. The Serial Server  
must be set up as a TCP or UDP Server to use this feature. The default  
setting is 255.255.255.255.  
If Paired Mode is not being used, do not change this setting until the  
application has been tested and is communicating properly. Then activate the  
address filtering feature.  
Note:  
Refer to Chapter 1 Paired Mode  
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Server Properties Configuration  
Update/Save  
Server properties must be updated separately for each serial port. Updating  
varies slightly depending on which of the four configuration user interfaces  
are used.  
Updating the Server Properties in ESP Manager  
From the Server Properties screen, click the Update button to store the  
configuration settings for the currently selected port. The vcomui dialogue  
box will appear indicating you must restart the device before the new settings  
will take effect. Click Yes. After several seconds a dialogue box will ask  
whether you want to search for all reachable servers again. Click Yes.  
After that port has been updated you may want to re-enter Server Properties  
to verify the changes have taken effect, or to view/change the configuration  
of other ports. Each port must be configured separately.  
Saving Configuration Data in Console Mode or Telnet  
Saving (updating) server properties is done from the Configuration screen.  
Access the Configuration screen by tabbing through the list of screens on the  
left side of the window and highlighting Configuration.  
There are four options shown on the right side of the Configuration screen:  
Save, Default, Running and Reset. Use Tab, Backspace, or arrow keys to  
move the cursor to the option position, and then press Enter.  
Save stores the configuration data to the Serial Server flash memory and  
resets it.  
Default restores the configuration data to factory default settings.  
Running restores the configuration data to the last values stored in the  
flash memory.  
Reset re-boots the Serial Server, making it available for a client  
connection.  
Web Server Interface  
The Web Server interface provides the same updating options as  
Console Mode and Telnet. These are located at the bottom of all three  
Web Server pages. If a field is changed, you must click Save before  
leaving that page or the changes will be ignored.  
Note:  
If you leave any Web Server page without saving, any changes you have made  
will be ignored.  
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Server Properties Configuration  
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Installing Virtual COM Port  
Chapter 6: INSTALLING VIRTUAL COM  
PORTS  
The Virtual COM Port feature allows Windows platform software, using standard API  
calls, to be used in an Ethernet application.  
The Install Virtual COM Port software adds a Serial Server (COM#) port to the  
computer. This shows up in the Device Manager. The COM number can be selected  
from a list of available numbers. For example, in a computer already having a COM1  
and COM2, COM3 to COM 254 are available for the Serial Server. It is recommended  
that COM Port 5 or higher be selected. The virtual COM port looks like a standard  
COM port to most Windows based applications which allows the software to open a  
connection with the serial port located anywhere on the LAN/WAN. When using the  
virtual COM port the Serial Server is configured as a TCP or UDP Server.  
Virtual COM Port Installation  
Step 1: From the Windows Desktop, click:  
Start Programs B&B Electronics VLINX ESP Servers  
Install Virtual COM  
The Search Setup window will appear.  
Step 2: Select the Search all reachable servers check box, then click OK.  
Figure 27. The Search Setup Window  
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Installing Virtual COM Port  
The program searches the LAN for all available Serial Servers. When  
complete, the Found Server window appears and displays a list of the  
servers that were found.  
Figure 28. The Found Server Window  
Step 3: Select the Serial Server at the IP Address to be mapped to a virtual  
COM port, then click OK.  
Figure 29. The COMInst Window  
Step 4: In the Map To: field, select the number of the virtual COM port to  
be assigned. The default Flow Control setting is None. RTS/CTS can be  
selected if used by the application program and serial hardware. The Serial  
Server must be set to match. The Protocol TCP/UDP, IP Address, and Port  
Number will mirror the settings of the selected serial server. Click OK.  
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Installing Virtual COM Port  
Note:  
PCs may have hardware COM ports and devices such as Modems, IR ports or  
USB based COM ports that are not currently connected Try selecting a COM  
number above COM4 if problems occur.  
Windows XP/Vista provides a notice concerning Windows Logo testing for  
XP/Vista.  
Figure 30. The Windows Logo Testing Window  
This XP/Vista feature simply indicates that these drivers have not yet  
undergone the Microsoft testing procedures required to use the Windows  
XP/Vista Logo on the packaging. Driver compatibility is not affected.  
Step 5: Click Continue Anyway to proceed with the installation.  
Step 6: After setting all Serial Server serial ports as virtual COM ports, click  
Cancel on the Found Server form.  
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Installing Virtual COM Port  
Matching the Serial Server and Virtual COM Port  
Settings  
The settings of the virtual COM ports in the Device Manager and the Serial  
Server Configuration Menu must match. If the settings do not match, the  
virtual COM ports will not work. If these settings are changed in the Device  
Manager, it will only affect the operation of the virtual COM port. It will not  
change the settings stored in the Serial Server. Use the ESP Manager to  
change the Serial Server settings.  
Step 1: Use Device Manager to View New Ports  
Confirm the virtual COM ports in the Device Manager.  
Step 2: Double-click Ports to view the list of COM port numbers.  
The installed Virtual COM port will be displayed as VLINX ESP (COM #).  
Figure 31. The Device Manager Window  
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Installing Virtual COM Port  
Step 3: In the Device Manager select a VLINX ESP COM#. Double-click it to  
bring up the Properties window.  
.
Figure 32. The VLINX ESR (COM3) Properties Window  
Step 4: Click the Configuration or Port Settings tab. This screen allows the  
settings to be changed if necessary. Click Cancel to keep the  
existing settings.  
Step 5: Click OK to change the settings. Use Refresh in the Device Manager  
if Windows does not auto refresh.  
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Installing Virtual COM Port  
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Removing Virtual COM Ports  
Chapter 7: REMOVING VIRTUAL COM  
PORTS  
The ESP Manager software Uninstall Virtual COM Port feature will remove a  
mapped COM port in the Device Manager of Windows 2000 and XP operating  
systems. It may also be removed in the Device Manager of Windows 98, ME,  
NT, 2000, and XP. Windows 98 users also will find a Remove Virtual COM  
feature in the Programs file.  
Removing the Virtual COM port with ESP Manager  
Step1: From the Windows Desktop, click:  
Start Programs B&B Electronics VLINX ESR Servers VLINX  
ESP Manager  
Step 2: In the ESP Manager window click the Virtual COM List tab.  
Highlight the mapped COM port number to be removed.  
Figure 33. The ESP Manager Window  
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Removing Virtual COM Ports  
Step 3: Click the Uninstall Virtual COM icon. The Manager will ask for  
conformation. Click OK to complete the uninstall procedure.  
Removing the Virtual COM Port using Device  
Manager  
Note:  
The screen shots were taken from a Windows XP operating system  
Step 1: From the Windows Desktop click:  
Start Settings Control Panel.  
Step 2: Click the System icon when the manager window opens.  
Figure 34. The Control Panel Window  
Step 3: Click Device Manager in the Systems Properties window. In the  
Device Manager dialogue click the + next to Ports (COM LPT) to  
expand.  
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Removing Virtual COM Ports  
Figure 35. The Device Manager Window  
Step 4: Highlight ESP (COM #) to be removed and click the Action tab at the  
top of window, then click Uninstall. A confirm Device Removal  
window will appear.  
Figure 36. Confirm Device Removal  
Step 5: Click OK to proceed.  
The ESP COM # will be removed and the Device Manager window will  
refresh and display the remaining COM ports  
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Removing Virtual COM Ports  
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Upgrade Mode  
Chapter 8: UPGRADING THE SERIAL  
SERVER FIRMWARE  
New Serial Server firmware updates may become available through the  
B&B Electronics website for installation into the server. The firmware can be  
uploaded using either a virtual COM port connection or hardware COM port  
connection.  
Downloading the Firmware  
Make a folder to receive the firmware file. Download the compressed  
software file from the B&B Electronics website. Unzip or expand the file  
into the (.hex) format so it will be ready to upload to the Serial Server.  
Upgrading Via ESP Manager  
The ESP Manager software can upload new firmware to the server using a  
direct PC connection via the ESR901 serial port, ESR902/904 Port 1, or  
using a virtual COM port.  
Note:  
If connecting directly to a computer serial port, use a null modem cable  
between the Computer RS-232 port and the ESR901 serial port or ESR902 Port  
1.  
Preparing the Software  
Step 1: In the ESP Manager Serial Server List window, double click the  
server to be upgraded. The Server Properties window will appear.  
Step 2: If using a direct connection to upload the firmware to the Serial  
Server, set the baud rate to 115200 for the fastest possible upload.  
Step 3: Set the Serial Port field to upgrade and click the Update button.  
(Ensure that the Run/Console switch is in the Run position.)  
Step 4: Click Yes on the vcomui dialogue to restart the Serial Server.  
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Upgrade Mode  
Upgrading the Firmware  
Step 5: Double-click the Firmware Upgrade icon (or click the Server menu  
and Firmware Upgrade)  
Step 6: In the Upgrade window, click Browse. The Open dialogue box will  
appear. Locate the folder on your PC that contains the firmware .hex  
file. Select the file and click Open. The Open dialogue box will  
disappear.  
Step 7: In the Upgrade window select the serial port to be used in  
transferring the firmware.  
a. If connected directly from the PC to a Serial Server port it  
will typically be COM1 or COM2  
b. If using a virtual COM port to upgrade via the network,  
identify the virtual COM number and address mapped to  
Port 1 on the Serial Server.  
Step 8: Click Upgrade  
Step 9: In the Port Settings window set the Bits per second, Data bits,  
Parity and Stop bits to the same values as set up in the Server  
Properties window. Click OK.  
Figure 37. The Port Settings Window  
Step 10: Upgrade progress will be shown until the Upgrade finished!  
message is shown. Click OK.  
52  
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Using Console Mode  
Chapter 9: USING CONSOLE MODE  
Before the Serial Server is installed on a LAN the Console Mode can be  
used to change the settings from the defaults. The Serial Server is shipped in  
the RS-232 Mode. Connect a crossover (null modem) cable between the  
COM port on the computer and the appropriate serial port on the Serial  
Server.  
Note:  
See Chapter 5 for details of each Server Property Settings.  
Console Mode Setup  
Step 1: Apply power to the Serial Server. The power and ready LED will  
light.  
Step 2: Using  
a
VT100 Terminal emulation program (typically  
HyperTerminal in Windows) open the computer COM port  
connected to the Serial Server (via an RS-232 crossover cable).  
Step 3: In the HyperTerminal Port Settings window set:  
o
o
o
o
o
Baud rate: 9600  
Data bits: 8  
Parity: None  
Stop bits: 1  
Flow control: None  
Click OK  
Step 4: Ensure the Run/Console switch is in the Console position.  
Step 5: To view the Configuration Menu, press the space bar. The menu  
will appear within a few seconds.  
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Using Console Mode  
Navigating the Configuration Menus  
There are six Console Mode screens: Server, Network, Serial Mode,  
Operation, Monitor and Configuration. Tab, Back Space and arrow keys  
can be used to highlight the desired function on the screen list. Pressing  
Enter moves the cursor to the first field with the current screen. The  
configuration fields can be changed by pressing Enter and selecting from the  
list that appears. The Escape key moves the cursor back to the screen list.  
Pressing the Space Bar refreshes the page.  
Figure 38. Console Mode Configuration Screens  
54  
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Using Console Mode  
Step 5: Once all the changes have been made move to the Configuration  
screen, select Save and press Enter.  
Figure 39. Saving and Restarting the Configuration  
The restart message will appear.  
Step 6: Select Yes to save changes. This is necessary to write the settings to  
the server.  
Using a Password  
If a password is used it must be entered before the Configuration screen can  
be seen. If the server is accessed with a password but no changes are made,  
Reset to end before disconnecting.  
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Using Console Mode  
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Using the Web Server  
Chapter 10: USING THE WEB SERVER  
The Web Server can be used to configure the Serial Server from any web  
browser software (such as Internet Explorer). Server properties can be set up  
using three browser pages.  
Note:  
See Chapter 5 for details on Server Properties.  
Setting Server Properties  
In Internet Explorer type the IP Address of the Serial Server into the address  
field near the top of the window and press the Enter key. The following  
window will appear:  
Figure 40. The Web Server Page  
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Using the Web Server  
Navigate and change properties as required using the mouse and keyboard.  
To change serial port properties, click Serial Port on the left side of the  
browser window. The following page will appear:  
Figure 41. The Web Server Serial Port Properties Page  
To change other operational properties, click Operation on the left side of  
the browser window. The following page will appear:  
58  
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Using the Web Server  
Figure 42. The Web Server Operation Page  
Click Save to store changes to the Serial Server. Settings for each Port must  
be saved separately.  
Note:  
If new property settings are not saved before leaving this page they will not  
take effect.  
Return to the main Server page by clicking on Server on the left side of the  
browser window.  
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Using the Web Server  
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Using Telnet  
CHAPTER 11: USING TELNET  
Telnet can be used to configure the Serial Server from any PC on the LAN.  
The Telnet window displays the same configuration information shown in  
Console Mode and allows server properties to be configured.  
Note:  
See Chapter 5 for details on Server Properties.  
Configuration Using Telnet  
Step 1: Ensure the PC and Serial Server are connected to the LAN.  
Step 2: Apply power to the Serial Server. The power and ready LED will  
light.  
Step 3: Ensure Serial Server is in Run Mode. If the Run/Console switch is  
in the Console position, switch it to the Run position. The Serial  
Server will revert to the operational mode it was in before the switch  
was set to Console.  
Step 4: From the Desktop, click Start, then Run. The Run dialogue box will  
open.  
Step 5: Type in Telnet and the IP address of the Serial Server to be  
configured, then click OK.  
Figure 43. The Run dialogue box  
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Using Telnet  
Note:  
The Serial Server must be in RS-232, RS-422 or RS-485 mode before you can  
Telnet to it and access the configuration screens. If it was last configured in  
Console mode you may not be able to access it using Telnet. In this case use  
ESP Manager, Console Mode or Web Server for configuration.  
Step 6. The Telnet window will open (unless the server is still in Console  
mode) and the Server screen will appear.  
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Using Telnet  
Navigating the Configuration Menu  
There are six Telnet screens: Server, Network, Serial Mode, Operation,  
Monitor and Configuration. Tab, Back Space and arrow keys can be used  
to highlight the desired function on the screen list. Pressing Enter moves the  
cursor to the first field with the current screen. The configuration fields can  
be changed by pressing Enter and selecting from the list that appears. The  
Escape key moves the cursor back to the screen list. Pressing the Space Bar  
refreshes the page.  
Figure 44. Telnet Configuration Screens  
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Using Telnet  
Step 7: Once all the changes have been made move to the Save field and  
select Enter. The restart message will appear.  
Figure 45. Saving and Restarting the Configuration  
Step 8: Select Yes to save changes. This is necessary to write the settings to  
the server. The Telnet window will disappear.  
Step 9: To view the changes re-enter Telnet and re-establish  
communications. The configuration menu will appear and display  
the current settings.  
64  
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ESR90x Technical Data  
Chapter 12: ESR90x TECHNICAL DATA  
Hardware and ESR901, ESR902 or ESR904 Serial Server modules  
Included  
Manual:  
Paper copy of this manual, PDF available  
Accessories  
CD-ROM disc: VLINX ESP Manager and Virtual COM Driver software  
for Windows 98/ME/2000/2003/XP/NT 4.0/Vista  
ESR901/ESR902: 1.75 x 6.1 x 4.1 in (4.46 x 15.52 x 10.46 cm)  
Dimensions  
ESR904:  
Power Supply Voltage Requirements:  
9V to 48 VDC or 8V to 24VAC  
Power Consumption:  
ESR901: 320mA @ 12VDC  
1.75 x 7.1 x 4.1 in (4.46 x 18.03 x 10.46 cm)  
Power &  
Environment  
ESR902: 340 mA @ 12VDC  
ESR904: 360 mA @ 12VDC  
Power supply startup time 24ms  
Operating  
Temperature:  
-10 to 80 °C  
Storage  
Temperature:  
20 to 85 °C  
Humidity:  
Approvals:  
Power:  
5 – 98% R.H.  
CE, FCC, IP30 case  
Red LED  
Indicators  
Link:  
Yellow or green LED (10BaseT or 100 BaseTX)  
Flashing green LED  
Single RJ-45 female  
Ready:  
Ethernet:  
Serial:  
Connectors  
ESR901: one 9 pin D-type male (DB-9M) and one  
removable terminal block (connector selectable using  
DB-9/Terminal switch, interface type software selectable  
as RS-232, RS-422, RS-485H or 485F)  
ESR902: Two 9 pin D-type male (DB-9M), (interface  
type software selectable as RS-232, 422, RS-485H or  
RS-485F  
ESR904: Four 9 pin D-type male (DB-9M) DTE,  
(interface type software selectable as RS-232, RS-422,  
RS-485H or 485F)  
DC Power:  
Removable four terminal screw-type terminal block  
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ESR90x Technical Data  
RS-232(DTE):  
RS-422:  
TXD, RXD, RTS, CTS, DTR, DSR, DCD, GND  
Serial Interfaces  
(ESR901 Terminal block option: TXD, RXD, RTS,  
CTS, GND)  
TXDB(+), TXDA(), RXDB(+), RXDA(),  
RTS(+), RTS(), CTS(+), CTS() and GND  
(ESR901 Terminal block option: (TXDB(+),  
TXDA(), RXDB(+), RXDA(), GND)  
RS-485 H:  
RS-485F:  
Data B (+), Data A (–) and GND  
TXDB(+), TXDA(), RXDB(+), RXDA(),  
and GND  
(ESR901 Terminal block option: (TXDB(+),  
TXDA(), RXDB(+), RXDA(), GND)  
Baud Rate:  
Parity:  
110 bps to 230.4 k bps  
None, Even, Odd, Mark, Space  
5, 6, 7 or 8  
Data Bits:  
Stop Bits:  
1, 1.5 or 2  
Serial Memory:  
Network Memory:  
5300  
8K byte per port  
48K byte  
Memory  
Heartbeat & Configuration setting in TCP Mode (i.e.  
Pair Mode)  
I/P Port Addresses  
8888  
8890  
8889  
LAN:  
Vlinx update  
Vlinx monitor  
Set configuration in UDP mode  
10/100 Mbps Auto-detecting 10 BaseT or 100  
BaseTX  
Network  
Communications  
TCP, IP, ARP, DHCP, Telnet, HTTP, UDP, ICMP  
Using RS-232 with VT100 emulation  
Protocols  
Console Mode:  
Telnet Mode:  
ESP Manager:  
Web Server:  
Configuration  
Options  
Using HyperTerminal with VT100 emulation  
Using Windows 98/ME/2000/XP or NT software  
Using Internet Explorer web browser  
232NM9 Null Modem Crossover Cable for DTE to DTE connection  
ERS35 one-meter length of steel 35mm DIN Rail  
Optional  
Accessories  
66  
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ESR90x Technical Data  
Server Name  
Serial Number:  
Password:  
ESR901 or ESR902 or ESR904  
Default Server  
Settings  
xxxxxxxxx (printed on bottom of unit)  
Blank  
DHCP:  
Disable  
IP Address:  
Net Mask:  
192.168.0.1  
255.255.255.0  
Gateway:  
192.168.0.254  
MAC Address:  
Version&Date:  
Serial server port:  
Baud Rate:  
Fixed – see bottom label  
current firmware version number & date  
1
9600  
Data//Stop:  
8-1  
Parity:  
None  
Flow Control:  
TCP/UDP Protocol:  
None  
ESR901 serial port: TCP  
ESR902 Ports 1 & 2: TCP  
ESR902 Ports 1, 2, 3 & 4: TCP  
Serial timeout:  
0 seconds  
TCP alive timeout:  
Connection Mode:  
Delimiter HEX 1:  
Delimiter HEX 2:  
Force transmit:  
TCP/UDP port:  
0 minutes  
Server  
00  
00  
0 ms  
ESR901/902/904 Port 1: 4000  
ESR902/904 Port 2: 4001  
ESR904 Port 3: 4002  
ESR904 Port 4: 4003  
ESR901/902/904 (all ports): RS-232  
1
Serial port mode:  
Max connection:  
Remote IP Address:  
DIP switch settings:  
255.255.255.255  
ESR901: 1 = Run  
2 = DB9  
ESR902: Run  
ESR904: Run  
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ESR90x Technical Data  
4.44 cm  
3.01 cm  
10.46 cm  
0.61 cm  
0.76 c m  
0.81 cm  
4.46 cm  
9.70 c m  
ESR901  
GN D  
AC In  
AC/DC+ In  
Ba ckup DC + In  
V oltage Range:  
9-48VDC  
Link  
8-24VAC  
Ready  
Reset  
Power  
Cons ol e  
Ter mi nal  
Run  
DB9  
Ethernet  
RX TX  
RS-232/422/485  
1
1
2.66 cm  
0.97 cm  
0.81 cm  
0.48 cm  
Figure 46. Dimensional Diagram of the ESR901  
4.44 cm  
3.01 cm  
10.46 cm  
0.61 cm  
0.76 c m  
0.81cm  
4.46 cm  
9.70 c m  
ESR902  
GND  
AC In  
AC/DC+ In  
Backup D C+ In  
V ol tage Range:  
9-48VDC  
9-48VAC  
Link  
Ready  
Reset  
Power  
Run  
Console  
Ethernet  
RX TX  
RX TX  
1
2
2.66 cm  
0.97 cm  
0.81 cm  
0.48 c m  
Figure 47. Dimensional Diagram of the ESR902  
68  
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ESR90x Technical Data  
4.44 c m  
10.46 c m  
0.61 c m  
3.01 c m  
0.76 c m  
0.81cm  
4.46 cm  
9.70 c m  
ESR904  
GN D  
AC In  
AC/DC+ In  
Backup DC + In  
Voltage Range:  
9-48VDC  
Link  
8-24VAC  
Ready  
Power  
Reset  
Run  
Console  
Ethernet  
RX TX  
RX TX  
1
2
RX TX  
RX TX  
3
4
2.66 c m  
0.97 cm  
0.81 cm  
Figure 48. Dimensional Diagram of the ESR904  
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RS-232 Connections  
APPENDIX A: RS-232 CONNECTIONS  
Serial Server DB-9 Pin-outs in RS-232 Mode  
RS-232  
Signal Name  
DTE  
RS-232  
DB-9M  
Pin  
1
Carrier Detect  
Receive Data  
In  
In  
DCD  
RXD  
TXD  
DTR  
GND  
DSR  
RTS  
CTS  
RI  
2
Transmit Data  
Data Terminal Ready  
Signal Ground  
Data Set Ready  
Request To Send  
Clear To Send  
Ring Indicator  
Out  
Out  
---  
3
4
5
In  
6
Out  
In  
7
8
In  
9
Figure 49. RS-232 Connections in a DB-9 Connector  
70  
Appendix A  
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RS-232 Connections  
ESR901 Terminal Block Pin-out in RS-232 Mode  
1
2
3
4
5
RS-232  
DTE  
RS-232  
Terminal  
Signal Name  
Signal Ground  
Clear To Send  
Transmit Data  
Receive Data  
Request To Send  
---  
In  
GND  
CTS  
TXD  
RXD  
RTS  
1
2
3
4
5
Out  
In  
Out  
Figure 50. ESR901 Terminal Block Pin-out in RS-232 Mode  
Manual Documentation Number: ESR90x-0508m  
Appendix A  
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RS-422 Connections  
APPENDIX B: RS-422/485  
CONNECTIONS  
ESR90x DB-9 Pin-out in RS-422 Mode  
RS-422  
DB9M  
Signal Name  
Receive Data A ()  
Receive Data B (+)  
Transmit Data B (+)  
Transmit Data A ()  
Signal Ground  
Direction  
In  
RS-422  
RXDA ()  
RXDB (+)  
TXDB (+)  
TXDA ()  
GND  
Pin  
1
In  
2
Out  
Out  
---  
3
4
5
Clear to Send A ()  
Clear to Send B (+)  
Request to Send B (+)  
Request to Send A ()  
In  
CTSA ()  
CTSB (+)  
RTSB (+)  
RTSA ()  
6
In  
7
Out  
Out  
8
9
Figure 51. RS-422 Connections in a DB-9 Connector  
72  
Appendix B  
Manual Documentation Number: ESR90x-0508m  
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com  
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com  
Download from Www.Somanuals.com. All Manuals Search And Download.  
RS-422 Connections  
ESR901 Terminal Block Pin-out in RS-422 Mode  
1
2
3
4
5
Signal Name  
Signal Ground  
RS-422 Direction Terminal  
GND  
---  
Out  
Out  
In  
1
2
3
4
5
Transmit Data (-)  
Transmit Data (+)  
Receive Data (+)  
Receive Data (-)  
TXD(-)  
TXD(+)  
RXD(+)  
RXD(-)  
In  
Figure 52. ESR901 Terminal Block Pin-out in RS-232 Mode  
In the RS-422 mode, TXD lines are outputs and RXD lines are inputs.  
Connect the Serial Server TXDB(+) line to the RXDB(+) line of the serial  
device, and the Serial Server TXDA(-) to the RXDA(-) of the serial device.  
If Flow Control is set for RTS/CTS, connect the Serial Server RTSB(+) to  
CTSB(+) of the serial device and the Serial Server RTSA(-) line to the  
CTSA(-) of the serial device. Connect from the Serial Server CTSB(+) line to  
the RTSB(+) of the serial device and from the Serial Server CTSA(-) line to  
the RTSB(+) line of the serial device.  
If connecting to Receive Only RS-422 devices, connect from the Serial  
Server TXDB(+) and TXDA(-) lines to the receive pairs on all serial devices.  
Ground is signal ground and provides a common mode reference for the RS-  
422 Receiver and Transmitters.  
Manual Documentation Number: ESR90x-0508m  
Appendix B  
73  
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com  
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com  
Download from Www.Somanuals.com. All Manuals Search And Download.  
RS-485 Connections  
APPENDIX C: RS-485 CONNECTIONS  
ESR90x DB-9 Pin-out in RS-485H (two-wire, half duplex) Mode  
RS-485  
Signal Name  
Data B (+)  
Direction  
RS-485  
DB9M  
Pin  
3
In/Out  
In/Out  
---  
DATA B (+)  
DATA A ()  
GND  
Data A ()  
4
Signal Ground  
5
Figure 53. DB-9 Pin-out in RS-485 Mode  
74  
Appendix C  
Manual Documentation Number: ESR90x-0508m  
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com  
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com  
Download from Www.Somanuals.com. All Manuals Search And Download.  
RS-485 Connections  
ESR90x DB-9 Pin-out in RS-485F (four-wire, full duplex) Mode  
RS-422  
DB9M  
Signal Name  
Direction  
In  
RS-422  
RXDA ()  
RXDB (+)  
TXDB (+)  
TXDA ()  
GND  
Pin  
1
Receive Data A ()  
Receive Data B (+)  
Transmit Data B (+)  
Transmit Data A ()  
Signal Ground  
In  
2
Out  
Out  
---  
3
4
5
Clear to Send A ()  
Clear to Send B (+)  
Request to Send B (+)  
Request to Send A ()  
In  
CTSA ()  
CTSB (+)  
RTSB (+)  
RTSA ()  
6
In  
7
Out  
Out  
8
9
Figure 54. RS-422 Connections in a DB-9 Connector  
Note:  
Some RS-485 devices are marked opposite the RS-485 standard, which  
defines the Data B line as positive relative to Data A during a Mark state before  
enabling the transmitter, and after transmitting before tri-stating. If an RS-485  
device does not respond, try swapping the Data B and Data A lines.  
Manual Documentation Number: ESR90x-0508m  
Appendix C  
75  
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com  
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com  
Download from Www.Somanuals.com. All Manuals Search And Download.  
RS-485 Connections  
ESR901 Terminal Block Pin-out in RS-485F (four-wire, full duplex) Mode  
1
2
3
4
5
Signal Name  
Signal Ground  
RS-422 Direction Terminal  
GND  
---  
Out  
Out  
In  
1
2
3
4
5
Transmit Data (-)  
Transmit Data (+)  
Receive Data (+)  
Receive Data (-)  
TXD(-)  
TXD(+)  
RXD(+)  
RXD(-)  
In  
Figure 55. ESR901 Terminal Block Pin-out in RS-232 Mode  
76  
Appendix C  
Manual Documentation Number: ESR90x-0508m  
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com  
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Network Connections  
APPENDIX D: NETWORK  
CONNECTIONS  
Standard Ethernet Cable RJ-45 Pin-out  
RJ-45 Pin  
Signal  
TX+  
Wire Color  
White-Green  
Green  
RJ-45 Pin  
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
TX+  
RX+  
White-Orange  
Blue  
Not used  
Not used  
RX-  
White-Blue  
Orange  
Not used White-Brown  
Not used Brown  
Figure 56. Pin-out for a Standard Ethernet Cable  
Manual Documentation Number: ESR90x-0508m  
Appendix D  
77  
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com  
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Network Connections  
Crossover Ethernet Cable RJ-45 Pin-out  
RJ-45 Pin  
Signal  
TX+  
Wire Color  
White-Green  
Green  
RJ-45 Pin  
1
2
3
4
5
6
7
8
3
6
1
4
5
2
7
8
TX+  
RX+  
White-Orange  
Blue  
Not used  
Not used  
RX-  
White-Blue  
Orange  
Not used White-Brown  
Not used Brown  
Figure 57. Pin-out for a Crossover Ethernet Cable  
78  
Appendix D  
Manual Documentation Number: ESR90x-0508m  
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com  
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com  
Download from Www.Somanuals.com. All Manuals Search And Download.  
International Headquarters  
B&B Electronics Mfg. Co. Inc.  
707 Dayton Road  
Ottawa, IL 61350 USA  
Phone (815) 433-5100 -- General Fax (815) 433-5105  
Sales e-mail: [email protected] -- Fax (815) 433-5109  
Technical Support e-mail: [email protected] -- Fax (815) 433-5104  
European Headquarters  
B&B Electronics Ltd.  
Westlink Commercial Park  
Oranmore, Co. Galway, Ireland  
Phone +353 91-792444 -- Fax +353 91-792445  
Sales e-mail: [email protected]  
Technical Support e-mail: [email protected]  
© B&B Electronics – April 2005  
Revised January 2008  
Manual Documentation Number: ESR90x-0805m  
79  
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com  
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com  
Download from Www.Somanuals.com. All Manuals Search And Download.  
80  
Manual Documentation Number: ESR90x-0508m  
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com  
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com  
Download from Www.Somanuals.com. All Manuals Search And Download.  

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