Toshiba Network Card S20LP User Manual

6 F 3 B 0 3 5 6

Instruction Manual TOSLINE-S20LP

T2N/T3H stations

REQUIREMENTS

Keep this instruction manual where it can be easily

referred to by users and those responsible for the

equipment.

Read this instruction manual carefully before using

the equipment.

After this instruction manual has been read, keep it

beside the equipment.

Main Menu

Contents

June, 1998

TOSHIBA CORPORATION

UM-TS02N**-E005

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Preface

The TOSLINE-S20LP is a Local Area Network (LAN) for Factory Automation (FA) system.

Several kinds of TOSLINE-S20LP stations are available for interfacing various equipments, such

as PLCs, computers, etc.

This manual describes How To Use the TOSLINE-S20LP stations for Programmable Controller

T2N/T3H. The TOSLINE-S20LP enables high speed data linkage between multiple T2N/T3H.

Refer to the separate manual for the TOSLINE-S20LP Loader software (S-LS) operations.

In this manual, the following abbreviations are used.

S20LP:

S-LS:

TOSLINE-S20LP system

TOSLINE-S20LP Loader Software

S20LP-station: TOSLINE-S20LP station for T2N and/or T3H

STN #n: Station number n

For details of the programmable controllers T2N, T3H and their programming software T-PDS,

refer to the related manuals for these controllers.

¾ 2 ¾

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Contents

PREFACE............................................................................................................................................. 2

CONTENTS.......................................................................................................................................... 3

1. INTRODUCTION TO S20LP ........................................................................................................... 4

1.1 SYSTEM CONFIGURATION.......................................................................................................................... 4

1.2 STATION HARDWARE................................................................................................................................. 5

1.3 S-LS OVERVIEW........................................................................................................................................ 9

1.4 SPECIFICATIONS ..................................................................................................................................... 11

2. SCAN TRANSMISSION OVERVIEW............................................................................................ 12

3. SETTING FOR DATA LINKAGE .................................................................................................. 14

3.1 STATION NUMBER SETTING..................................................................................................................... 14

3.2 SETTINGS ON T-PDS............................................................................................................................... 14

3.3 SETTINGS ON S-LS.................................................................................................................................. 21

3.4 DATA LINKAGE EXAMPLE ........................................................................................................................ 27

4. CABLE CONNECTIONS ............................................................................................................... 31

5. RAS FUNCTION ............................................................................................................................ 32

5.1 BEHAVIOR IN TROUBLE........................................................................................................................... 32

5.2 SELF-DIAGNOSTIC FUNCTION.................................................................................................................. 33

5.3 LED INDICATION .................................................................................................................................... 34

5.4 RAS INFORMATION MONITORED IN T2N/T3H........................................................................................ 35

5.5 RAS INFORMATION MONITORED ON S-LS .............................................................................................. 38

6. EXPANDED DATA TRANSFER INSTRUCTION ......................................................................... 42

6.1 INSTRUCTION SPECIFICATION ................................................................................................................ 42

7. MESSAGE TRANSMISSION......................................................................................................... 46

7.1 MESSAGE TRANSMISSION........................................................................................................................ 46

7.2 COMPUTER LINK PROTOCOL.................................................................................................................... 46

7.3 PC LINK PROTOCOL ................................................................................................................................ 46

APPENDIX......................................................................................................................................... 62

A.1 SCAN CYCLE ........................................................................................................................................... 62

A.2 T-PDS REMOTE PROGRAMMING ............................................................................................................. 64

¾ 3 ¾

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1. Introduction to S20LP

1.1 System configuration

The following figure shows the typical system configuration of the S20LP.

T2N

T3H

T2N

T3H

internal bus

I/O bus

OTR2

OTR1

Station No.1

S20LP Port

Station No.2

SN325

(Main terminal station)

(Back-up terminal station)

(General station)

OTR1

OTR2

OTR1

OTR2

OTR1

OTR2

SN325

T3H

PTLS9

PCS

External

Loop

Device

Transmission line 1 (Loop 1) : The data is sent from OTR1 to OTR2.

Transmission line 2 (Loop 2) : The data is sent from OTR2 to OTR1.

Total number of stations

Transmission distance

Max. 64 stations

1 km (between stations)

4 km (between stations ; connecting SBR22)

30 km (system totla)

Scan transmission capacity

Maximum transmission capacity

Parameter setting tool

4096 words

1024 words / station

S-LS (runs on personal computer)

(Note 1) SBR22 is the long distance repeater for S20LP

¾ 4 ¾

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1.2 Station hardware

Overview

T2N include of S20LP Port

PU245N

Status LEDs for

Ethernet Port

Status LEDs for

S20LP Port

ERUN ET/R EACC

RUN FLT BAT

SRUN SONL SACC

STNH

STNL

Station number

setting switches

DIP switches

for CPU

For S20LP Port

LOADER port

OTR1

Transmission

cable connectors

PROG

OTR2

10BASE-T

For Ethernet Port

LINK

¾ 5 ¾

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SN325

STN

ONL

SCAN

ACC

Status LEDs

Reset switch

LOOP

TX1

TX2

RESET

STNH

Station number

setting switches

STNL

OTR1

OTR2

Transmission

cable connectors

LOADER

LOADER port

¾ 6 ¾

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Status LEDs:

Indicate the status of the S20LP-station.(see Section 5.3)

S20LP port for T2N (PU245N)

SRUN

Lit

Station is normal

Not lit

Lit

Down mode

SONL

Online mode (Scan transmission is executing)

Standby mode (Scan transmission is not executing)

Offline mode (Scan transmission is not executing)

T2N is accessing the port

Blink

Not lit

Lit

SACC

Not lit

T2N is not accessing the port

For SN325

STN

Lit

Station is normal

Not lit

Lit

Down mode

ONL

Online mode (Scan transmission is executing)

Standby mode (Scan transmission is not executing)

Offline mode (Scan transmission is not executing)

Scan transmission is executing

Scan transmission is not executing

T3H is accessing the station

Blink

Not lit

Lit

SCAN

ACC

LOOP

TX1

Not lit

Lit

Not lit

Lit

T3H is not accessing the station

LOOP is normal (Cut off mode for main terminal station)

LOOP is abnormal

Not lit

Lit

TRM1/RCV2 is normal

Not lit

Lit

TRM1/RCV2 is abnormal

TX2

TRM2/RCV1 is normal (Note 1)

TRM2/RCV1 is abnormal (Note 1)

Not lit

(Note 1) When the SN325 operates a terminal station, this LED is normally not lit.

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Station number setting switches:

Used to set the station number. (allowable setting is 1 to 64)

The setting status is read at power-on.

STNH ................ 10’s digit

STNL ................ 1’s digit

Loader port:

Used to connect the S-LS (or T-PDS for remote programming / monitoring).

T2N (PU245N) changes DIP switch (P/S) “ON”.

Transmission cable connector(s):

Used to connect optical fiber cables. (see Section 4)

Reset switch (only SN325):

Used to reset a SN325.

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1.3 S-LS overview

The S-LS (TOSLINE-S20 Loader System) on a personal computer (PC) monitors station

conditions, reads/writes control data, and sets up parameters. The transmission parameters set by

S-LS is stored in the S20LP-station's built-in EEPROM.

Connection between S-LS and S20LP-station is made by an loader cable, that is the same cable

as for T-PDS.

The following are the details of the menu. Select an intended station in the Station Connection

Diagram window for display and specify the window in the menu or the toolbar.

[File]

[Display Scan Address List]

Displays the Scan Address List window.

[Display Station Down Information]

Displays Down Information when the local station is downed.

[Save Files All Station’s Information] Saves the setup information of all stations in the file.

[Exit]

Terminates the application.

[Menu]

[Setting Information]

Displays the Setting Information window.

Displays the Data Access window.

[Data Access]

[RAS Information]

[Online Map]

Displays the Online Map window.

[Scan Healthy Map]

[Loop Map]

Displays the Scan Healthy Map window.

Displays the Loop Map window.

[Station Status]

Displays the Station Status window.

Displays the Station Down Information.

Displays the RAS Counter Information

Displays the Online/Standby Request window.

Displays the Test Request window.

[Station Down Information]

[RAS Counter Information]

[Online/Standby Request]

[Test Request]

[Option]

[Station Display Position]

[Registration]

[Display]

Registers the display positions of the stations rearranged.

Reflects the display positions of the registered stations in the window.

[Normal]

Displays the stations rearranged in the ascending order of smaller display

position numbers.

[Communication Environment Setting] Displays the Communication Environment Setting window.

[Window]

[Display Small Size]

Displays the Station Connection Diagram in small size.

[Help]

[Contents]

Displays the Help window.

[Key Word Search]

Displays the Retrieve window in Help.

Displays the information of the application version.

[Version Information]

¾ 9 ¾

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The toolbar has buttons for the functions frequently used. The following buttons are found from

left to right.

[Exit button]

Exits the application.

[Setting Information button]

[Data Access button]

Displays the Setup Information window.

Displays the Data Access window.

Displays the RAS Information Menu window.

Displays the Online/Standby Request window.

Displays the Test Request window.

[RAS Information button]

[Online/Standby Request button]

[Test Request button]

¾ 10 ¾

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1.4 Specifications

S20LP system specifications

Transmission cable

Silica glass SI 200/230mm

H-PCF (Hard-Plastic Clad Fiber)

F07 connector

Cable connection

(cable side connector)

Transmission distance

(JIS C5976)

Max. 1 km (between stations)

Max. 4 km (between stations ; connecting SBR22)

Max. 30 km (system total)

Loop

Topology

Number of stations

Transmission speed

Transmission code

Modulation method

Communication service

Max. 64 stations

2 Mbps

Differential Manchester

Baseband

(1) Scan transmission (cyclic broadcast)

(2) Message transmission (on request)

S20LP-station specifications

S20LP port for T2N

S20LP-station for T3H

Station type

PU245N...Optical fiber

1 station

SN325...Optical fiber

2 stations (Note 1)

Max. number on

T2N/T3H

(Include of S20LP port)

Scan

transmission 4096 words

capacity

(Link register W (2048 words) in T2N/T3H is assigned)

Message transmission S-LS (primary / secondary)

support

T-PDS (primary / secondary)

T-series Computer Link Protocol (secondaty)

Station status, Online / Standby map (S20LP port / SN325)

S20LP port ... 1.5 [A] or less SN325 ... 800 [mA] or less

RAS information

Consumed current

(internal 5Vdc)

(Note 1) A T3H which has two S20LP-stations can work as a bridge station for two S20LP

layers.

¾ 11 ¾

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2. Scan transmission overview

The Scan transmission method is suitable for real time control data linkage.

In the S20LP, data sending station is rotated cyclically. Each station has common memory for

Scan transmission. The size of the common memory is 4096 words. When a station becomes the

data sender station, it sends data of prespecified area of the common memory. All other stations

receive the data, and store them into their common memory. Therefore, the common memory in

each station is totally updated in a transmission cycle.

The common memory is allocated to the Link register (W) in the T2N/T3H. The size of the link

data from/to the Link registers, high speed data linkage is achieved.

S20LP

T2N STN

T3H STN

Common

memory

Common

memory

Common

memory

(1)

Send

Receive

(2)

Receive

Send

Receive

(3)

Receive

Send

T2N’s Link

T3H’s Link

Write

Read

Write

Read

Write

Read

Note 1) The data send block(s) of each station is prespecified by using the S-LS.

Note 2) Data transfer between common memory and Link registers is executed by T2N/T3H's

OS. The transfer direction (read or write) is automatically decided.

¾ 12 ¾

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Main terminal station, back-up terminal station and general station

When power is applied to each S20LP-station, one station must have station address number 1.

The station of station number 1 becomes the main terminal station. The station of station

number 2 becomes back-up terminal station. Normally stations, except station number 1, become

the general stations. The main terminal station controls total timing of the S20LP network. If

main terminal station is down, back-up terminal station (station number 2) becomes main

terminal station on condition that the back-up enable flag is ON. If the back-up enable flag is

OFF, back-up terminal is general station. If both the station of station number 1 and 2 is down,

all stations become general station.

To be effective back-up terminal station, the address (1F44H) on the S20LP dual port memory

must be set ON. To set the S20LP dual port memory, use the write instruction. Detailed

information of write instruction see “T-series Instruction Set (Ladder, SFC)” (UM-TS03***-

E004).

Setting the "data send block" (by S-LS)

On each station, the "data send block" is prespecified by using the S-LS. This setting is made by

entering the starting addess and the size (number of send words). On a station, up to two "data

send blocks" can be specified. (see Section 3.3)

I/O allocation and network assignment (by T-PDS)

On each T2N/T3H, the I/O allocation for S20LP-station and the network assignment are

necessary. By using the T-PDS's I/O allocation function, allocate the S20LP-station as "TL-S"

(T3H) or E/S (T2N). And by using the T-PDS's Network assignment function, assign (set

"LINK" or "GLOBAL") the Link registers (W) to the S20LP-station's common memory (from 0

to 2048), Block by Block. (see Section 3.2)

Block 1: W0000 to W0063

Block 2: W0064 to W0127

Block 3: W0128 to W0191

Block 4: W0192 to W0255

Block 5: W0256 to W0319

Block 6: W0320 to W0383

Block 7: W0384 to W0447

Block 8: W0448 to W0511

Block 9: W0512 to W0575

Block 10: W0576 to W0639

Block 11: W0640 to W0703

Block 12: W0704 to W0767

Block 13: W0768 to W0831

Block 14: W0832 to W0895

Block 15: W0896 to W0959

Block 16: W0960 to W1023

Block 17: W1024 to W1087

Block 18: W1088 to W1151

Block 19: W1152 to W1215

Block 20: W1216 to W1279

Block 21: W1280 to W1343

Block 22: W1344 to W1407

Block 23: W1408 to W1471

Block 24: W1472 to W1535

Block 25: W1536 to W1599

Block 26: W1600 to W1663

Block 27: W1664 to W1727

Block 28: W1728 to W1791

Block 29: W1792 to W1855

Block 30: W1856 to W1919

Block 31: W1920 to W1983

Block 32: W1984 to W2047

T2N/T3H accesses the common memory only for the assigned Blocks. (This "Block" and

S20LP's "Data send block" are different.)

"LINK" is normal assignment setting. "GLOBAL" is the setting for multi layers Scan

transmission. (effective only in T3H)

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3. Setting for data linkage

3.1 Station number setting

Each station should have unique station number. If a station number is duplicated, the S20LP

network cannot be established. Allowable station number is 1 to 64. To set the station number,

two rotary switches (STNH and STNL) are provided on each station. STNH is for 10's digit

setting, and STNL is for 1's digit setting.

(For example)

STNH = 1

Station number is 15

STNL = 5

3.2 Settings on T-PDS

The following settings are necessary for the T2N/T3H on which the S20LP-station is mounted.

(1) I/O allocation

Allocate the S20LP-station as "TL-S".

<T-PDS screen example 1>

P: PLC

A: I/O Allocation

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(2) Network assignment

a) Set "LINK" for the Blocks to be assigned.

S20LP-station

common memory

T2N/T3H

W registers

Network

assignment

Block 1

W000-063

Block 2

Receive

LINK

100

W064-127

Block 3

Send

W128-191

Block 4

230

W192-255

Block 5

W256-319

Receive

Block 32

W1983-2047

LINK

2047

¾ 15 ¾

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<T-PDS screen example 2>

P: PLC

A: I/O Allocation

N: Network Assignment

¾ 16 ¾

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b) If two S20LP-stations are mounted on the T3H, the station which is allocated closer to the

CPU in the I/O allocation (see (1)) is assigned as CH1. And the other is assigned as CH2.

(CH2 is invalid for T2N)

CH1

CH2

Network

assignment common memory

S20LP-station

common memory assignment

Network

T3H

W registers

LINK

Block 1

Block 2

Block 3

Block 4

Block 5

Block 6

Send

Receive

LINK

Send

LINK

Receive

LINK

Receive

LINK

Block 32

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<T-PDS screen example 3>

¾ 18 ¾

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c) If two S20LP-stations are mounted on the T3H and multi layers Scan transmission function

is used, use the "GLOBAL" setting. (GLOBAL is invalid for T2N)

CH1

CH2

Network

assignment common memory

S20LP-station

common memory assignment

Network

T3H

W registers

LINK

Send 1

Block 1

Block 2

Block 3

Block 4

Block 5

Block 6

Block 7

Block 8

Block 9

Block 10

Receive

LINK

Send 1

LINK

Receive

LINK

GLOBAL

Send 2

GLOBAL

Send 2

GLOBAL

Receive

LINK

Block 32

¾ 19 ¾

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<T-PDS screen example 4>

Note) The following rules are applied to the Network assignment. Do not set LINK both for

CH1 and CH2 for the same Block. If duplicated, CH1 has priority.

In the GLOBAL setting Block, the "receive" side CH data is transferred to the W register

and the "send" side CH. In this case, GLOBAL can be set on either CH.

In the GLOBAL setting Block, if both CHs are specified as "send", the W register data is

transferred to both CHs.

In the GLOBAL setting Block, if both CHs are specified as "receive", the GLOBAL

setting CH data is transferred to the W register. If both CHs have been set as GLOBAL,

CH1 has priority.

If TOSLINE-30 is used together, the TOSLINE-30 is allocated to the W registers from the

lowest address. In this case, the W registers which are assigned to the TOSLINE-30

should not be assigned to the S20LP. (TOSLINE-30 is available only for T2N)

¾ 20 ¾

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3.3 Settings on S-LS

(1) Start-up the S-LS

Connect the S-LS (personal computer) and the S20LP-station by the loader cable. Start-up

the S-LS for Windows95.

(2) Turn the T2N/T3H to HALT

(3) Confirm the S20LP-station status

Confirm the status of the connected S20LP-station is "STANDBY" by right and upper side.

It is displayed on the S-LS screen as below.

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(4) Settings of data send block. Operate the S-LS as follows.

Select menu and Setting Information or click the right side of mouse and select setting

information.

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Select the "Station Number" of the connected S20LP-station. Select the "Scan Transmission" and

specify the "data send block(s)". The "data send block" is specified by entering the starting

address (Send Starting Address 1/2) and the size (Number of Send Words 1/2). Up to two "data

send blocks" can be specified. If "data send block 2" is not used, enter 0 both for Send Starting

Address 2 and Number of Send Words 2. The maximum size of send words is Number of Send

Words 1 and 2, total 1024 words.

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Write the settings into the S20LP-station. Press "OK" button.

When the settings are correctly written into the S20LP-station's EEPROM, it is displayed on the

screen as below.

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(5) Settings of station control information

Open the "Setting Information", and push the "Station Control" by mouse.

Scan Transmission

Enable/disable the Scan transmission. Select Enable to use the Scan transmission

function.

Scan Access

Scan data synchronization 1 word or 2 words. If 2W (2 words) is selected, data

synchronization of double-word data (lower even and higher odd addresses) is achieved.

In this case, 2W setting is needed both on the sender and receiver stations. Also, if 2W is

selected, Send Start Address and Send Word Number must be even number.

Message Transmission

Enable/disable the Message transmission. The Message transmission is used for S-LS

remote setting/monitoring, T-PDS remote programming, T-series computer link protocol

and PC link protocol. Normally select Enable.

Start with Standby mode

When this space is not checked, Scan transmission is automatically started at power-up.

When this space is checked, Scan transmission is not started until Online request is issued

by S-LS. Normally no check.

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Target Scan Time

A time factor for limiting the time assigned for the Message transmission. The actual

Scan time (time of Token passes all stations) is either longer one the Target Scan time or

time for Scan transmission. (see Apendix A.1)

The Target Scan time should be the same value in all stations connected to the S20LP

network (layer). The Target Scan time can be selected from the combo box, select the

target cycle time you want to set. Click on the "OK" or "Renew" button. The data you

set is transmitted to the corresponding station.

3.07

4.10

5.12

6.14

7.17

8.19

9.22

10.2

11.3

12.3

13.3

14.3

15.4

16.3

20.5

24.6

28.7

32.8

36.9

41.0

45.1

49.2

53.2

57.3

61.4

(Note 1) If Message transmission cannot work normally or a S20LP-station becomes Error down

by Receive buffer overflow, the time for Message transmission is not enough. In such

case, increase the Target Scan time value.

When the settings are correctly written into the S20LP-station's EEPROM, it is displayed

on the screen as below.

(6) Change connection to other stations, and repeat (2) to (5).

S-LS remote setting (without changing connection) is also available by selecting the station

number. In this case, change the station mode to "STANDBY" by S-LS before setting. After

all setting complete, change the station mode to “ONLINE” by S-LS.

¾ 26 ¾

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3.4 Data linkage example

STN #1

STN #2

STN #3

T3H S20

-LP

I/O

T2N S20

-LP

I/O

T2N S20

-LP

I/O

W000

Send

Receive

W0199

W0200

Receive

Send

No use

Send

W0249

W0250

Receive

No use

W0299

W0300

No use

W2047

common

No use

memory

(2k words)

Link register (W) can not use Common memory over 2048 words.

STN #1 T3H sends 200 words data (W0000 to W0199) to STN #2 and #3 T2Ns.

STN #2 T2N sends 50 words data (W0200 to W0249) to STN #1 T3H.

STN #3 T2N sends 50 words data (W0250 to W0299) to STN #1 T3H.

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Necessary settings for this data linkage configuration are as follows.

Settings on T-PDS

Allocate the S20LP-station as "TL-S" (for T3H) by using the automatic I/O allocation

command or the manual I/O allocation function of the T-PDS in T3H. And automatically

allocate the S20LP-station as "E/S" in T2N.

By using the Network assignment function of the T-PDS, sssign the Blocks to cover the

using W registers.

For STN #1 T3H and STN #3 T2N: set LINK for Blocks 1 to 5 (W0000 to W0319)

For STN #2 T2N: set LINK for Blocks 1 to 4 (W0000 to W0255)

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Setting on S-LS

Station Number

0200

Send Start Address 1

Send Word Number 1

Send Start Address 2

Send Word Number 2

Scan Transmission

Scan Access

0000

0200

0000

0250

0050

0000

0050

0000

Enable

1 Word

Enable

61.4 msec

No.

Message Transmission

Target Scan Time

Start with Standby

mode

<S-LS setting screen 1 for STN #2>

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<S-LS setting screen 2 for STN #2>

¾ 30 ¾

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4. Cable connections

Max. 30 km (total)

Max. 1 km (between station)

OTR

S20LP station

Optical fiber cable

S20LP station

Optical fiber cable

(Note 1) Optical fiber connect OTR1/OTR2 to another station's OTR2/OTR1.

(Note 2) Using the long distance of optical fiber (SBR22) is Max. 4 km between station.

Item

Type

Optical fiber cable

H-PCF (Hard-Plastic clad fiber)

200/230 mm

F07 connector (JIS C5976)

Optical connector

Optical fiber characteristic

Silica glass, Step index

200 ± 5mm

Material

Core diameter

Cladding diameter

Numerical Aperture

Attenuation

230 + 0, -10mm

0.4

7.0 dB/km or less

9 MHz•km or more

0.81mm

Bandwidth

Wavelength

(Note 1) Securely connect the optical connectors. Otherwise, connection loss will increase.

(Note 2) Do not bend the optical fiber cable/cord more than the allowable limit.

(Note 3) Clamp the optical fiber cable/cord to prevent the optical connector weighted.

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5. RAS function

5.1 Behavior in trouble

(1) Optical fiber system

Station down

If a station (either main, back-up or general) becomes down, the abnormal station will be

disconnected from the S20LP system (re-configuration), then communications of remaining

stations will be re-started. If two station (either main, back-up or general terminals) become

power off, the S20LP system will split into two independent S20LP systems at the power

off stations.

S20LP loop No.1

Power off

OTR1

OTR2

OTR1

OTR2

OTR1

S20LP

STN #1

S20LP

STN #2

S20LP

STN #3

OTR2 OTR1

OTR1 OTR2

OTR2 OTR1

OTR1 OTR2

OTR1

OTR2

OTR1

OTR2

OTR1

S20LP

STN #6

S20LP

STN #5

S20LP

STN #4

Power off

S20LP loop No.2

Transmission cable breakage

If both transmitter and receiver lines are broken (*1) or if one of the two lines is broken

(*2), the S20LP system will cut off the broken lines.

Broken lines

OTR1

OTR2

OTR1

OTR2

OTR1

S20LP

STN #l

S20LP

STN #m

To S20LP STN #o

To S20LP STN #n

OTR2

OTR1

(*1)

(*2)

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5.2 Self-diagnostic function

The S20LP-station has the following self-diagnostic function.

At initialization (at power on)

Diagnostic item

Station operation abnormal

Station moves into Down mode.

Communications with other stations are

not possible. This state will be reset by

power off/on (SN325, T2N) or pressing

Reset switch (SN325).

ROM BCC check

RAM read/write check

CPU and peripheral LSI check

Station number check

Transmission parameter

(EEPROM) check

Station moves into Standby mode. In

this state, scan transmission is not

possible but message transmission is

available. Station waits for transmission

parameter setting.

During operation

Diagnostic item

Station operation abnormal

Watch dog timer check

Abnormal timer check

(jabber timer) check

Station moves into Down mode.

Communications with other stations are

not possible. This state will be reset by

power off/on (SN325, T2N) or pressing

Reset switch (SN325).

Receive frame check (CRC check)

Response check

Station ignores the abnormal frame.

In message transmission, if response

from the target station cannot be

received, station re-sends the frame.

No signal state check

If no signal state continues more than

specified time, station starts re-

configuration operation.

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5.3 LED indication

(1) SN325

The S20LP-station is equipped with STN, ONL and SCAN LEDs, which indicate the

station modes.

STN

Lit

ONL

Lit

SCAN

Lit

Station mode Remarks

Online

Scan / Message transmission is enabled

Not lit

Scan transmission is disabled Message

transmission is enabled

Lit

Not lit

Blink

Not lit

Offline

Scan / Message transmission is disabled

Standby

Transmission parameter is not written in

EEPROM.

Transmission information is standby start up.

Connection machines is abnormal.

T3H is not RUN mode.

Not lit

Blink

Down

Station number is illegal

(simultaneously)

Blink

Not lit

Down

Jabber timeout

Not lit

Receive buffer is overflow.

Target cycle time is shortage.

Blink

Down

Watch dog timer error

(alternately)

(2) T2N

The S20LP-station is equipped with RUN and SONL LEDs, which indicate the station

modes.

SRUN SONL

Station mode Remarks

Lit

Online

Offline

Standby

Scan / Message transmission is enabled

Not lit

Blink

Scan / Message transmission is disabled

Transmission parameter is not written in EEPROM.

Transmission information is standby start up.

Connection machines is abnormal.

T2N is not RUN mode.

Not lit

Blink

Down

Station number is illegal.

Jabber timeout.

Watch dog timer error.

Not lit

Receive buffer is overflow.

Target cycle time is shortage.

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5.4 RAS information monitored in T2N/T3H

RAS information of the S20LP system is reflected in the special registers (SW) of T2N/T3H.

This information can be referred in the T2N/T3H’s user program.

SW110

SW111

SW112

CH1 station status

(1 word)

CH2 station status (only T3H)

CH1 online map

(4 words)

SW116

SW120

SW124

SW128

CH2 online map (only T3H)

CH1 standby map

CH2 standby map (only T3H)

Loop map (only T2N)

(32 words)

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(1) Station status

Indicates the status of the S20LP-station mounted on the T2N/T3H.

SW110 (SW111)

a = 1 : DOWN mode

b = 1 : OFFLINE mode

c = 1 : STANDBY mode

d = 1 : ONLINE mode

e = 1 : LOOP2 reception disabled

0 : LOOP2 reception enabled

f = 1 : LOOP1 transmission disabled

0 : LOOP1 transmission enabled

g = 1 : LOOP1 reception disabled

0 : LOOP1 reception enabled

h = 1 : LOOP2 transmission disabled

0 : LOOP2 transmission enabled

i = 1 : Repeat status

0 : Cut status

j = 1 : Terminal station mode

0 : General station mode

k = 1 : Scan transmission disabled

0 : Scan transmission enabled

l = 1 : Master station

0 : Slave station

m =1 : Test in progress

(2) Online map

Indicates the online stations in the S20LP network.

...................

SW112 (SW116) #16 #15 #14 #13

SW113 (SW117) #32 #31 #30 #29

SW114 (SW118) #48 #47 #46 #35

SW115 (SW119) #64 #63 #62 #61

#20 #19 #18 #17

#36 #35 #34 #33

#52 #51 #50 #49

#n = Station number n is online

= Station number n is other than online

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(3) Standby map

Indicates the standby stations in the S20LP network.

...................

SW120 (SW124) #16 #15 #14 #13

SW121 (SW125) #32 #31 #30 #29

SW122 (SW126) #48 #47 #46 #35

SW123 (SW127) #64 #63 #62 #61

#20 #19 #18 #17

#36 #35 #34 #33

#52 #51 #50 #49

#n = 1: Station number n is standby

= 0: Station number n is other than standby

(4) Loop map (Only T2N)

Indicates the S20LP-station's loop transfer status on network. This information is the through

/ terminal status of general station, or the repeat/cut off status of terminal station. This

information is updating every 200ms.

SW128

SW129

Station 2 information

Station 4 information

Station 1 information

Station 3 information

SW159

Station 64 information

Station 63 information

Indicates the detailed station information.

Station (n + 1)

Station (n)

Unused

a : This bit indicates repeat or cut off status. This status has terminal station or back-up

station.

1 : Repeat

0 : Cut off

b : This bit indicates R1T2 status. This status has general station.

1 : Disconnect

0 : Connect

c : This bit indicates R2T1 status. This status has general station.

1 : Disconnect

0 : Connect

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5.5 RAS information monitored on S-LS

By connecting the S-LS, the following RAS information can be monitored.

(1) Online map

(Menu)

R: RAS Information

1: Online Map

The number (1-64) on the screen shows the Station number.

The operation mode displayed under the Station number means as follows.

(Blue) Online mode

(Red) Standby mode

Blank Offline mode or not existing

This information is read out from the S-LS connecting station every three seconds.

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If the S-LS connecting station is Offline or Down mode, the following message will be

displayed right and upper side on the screen.

Self Station Station No.01 Offline

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(2) Station status

The operation status of the specified station can be monitored as follows.

1. Select the "Station Number".

2. Click the "Status Display".

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(3) Station down information

If the S-LS connecting station is in Down mode, the error message can be monitored as

follows.

R: RAS Information

4: Station Down Information

Possible error message are as follows.

Error code

10H

Error message

Watch dog timer error

Overrun

meanings

Watch dog timer error occured

Reception transaction is overrun

20H

40H

Jabber timeout

Abnormal long frame (500ms or more) was

transmitted

60H

Hardware error

CPU, RAM, ROM or peripheral LSI is abnormal

Station number illegal

6FH

77H

Undefined instruction

executing

CPU could not execute the instruction

Receive buffer overflow

Receive buffer overflow occurred

If these errors cannot be reset by power off/on again (except Station number illegal),

replace the station.

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6. Expanded data transfer instruction

6.1 Instruction Specification

This section presents an overview of the XFER instructions, which is the instruction that is used

to control the S20LP-station from T2N/T3H user programs. S20LP-station transmission control

is performed solely using the XFER instructions.

(1) Instruction format

The format of XFER instruction.

Input

Output

[ A

X F E R

C ]

(2) Function

When the input is ON, data block transfer is performed between the source which is

indirectly designated by A and A+1 and the destination which is indirectly designated by C

and C+1. The transfer size (number of words) is designated by B. The transfer size is 1 to

256 words.

Input

OFF

Operation

Output

OFF

ERF

No execution

Normal execution

When error is occurred

SET

(3) Operand

Operand

Con-

stant

Name

Device

INDEX

Index

Source parameter

Transfer size

Destination

parameter

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(4) Parameter and construction

Source parameter

Transfer size and status

Transfer size

Destination parameter

Bank/CH Type

Leading address

Bank/CH

Type

A+1

Leading address

C+1

Transfer parameter table

Transfer object

Type Leading address Bank/CH Transfer size

Status flag

None

T2N

0 to 127

0 to 511

1 to 128

1 to 256

XW/YW register

00H

T3H

W register

01H 0 to 2047

02H 0 to 255

0 to 255

1 to 256

None

LW register

T2N

T3H

RW register

03H

1 to 256

None

0 to 999

D register

F register

04H 0 to 8191

0 to 1023

1 to 256

None

T2N

T3H

03H

0 to 32767

Expanded F register

(IC memory card)

05H 0 to 8191

0 to 65535

1 to 15

1 to 256

None

06H

1 to 256

None

0 to 57343

Expanded F register

05H 0 to 8191

1 to 3

(T2N internal memory)

TOSLINE-S20LP

scan memory

T2N

10H 0 to 4095

0 to 2047

1 to 256

None

T3H

1 or 2

EEPROM

T2N

T3H

1 to 256

(Note 1)

20H

0 to 8191

(Note 1) When the communication is transfer source (receiving), the transfer size is 1 to 256.

When it is destination (transmitting), the transfer size is 1 to 128 for T3H, 1 to 32 for

T2N.

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(5) Sample program

This program transmit the data from TOSLINE-S20LP's scan data memory to T2N/T3H's D

0009 are transmitted to the data register from D0200 to D0209 (D register).

X0000

[00272 MOV RW003]

[00004 MOV RW020]

[00000 MOV RW004]

[00200 MOV RW021]

[00010 MOV RW005]

H0110

00010

H0004

[RW003 XFER RW005

RW020]

Source designation

H01 H10

Transfer size

00010

Destination designation

RW003

RW004

RW005

RW020

H00

00200

D0200 (CPU register)

H04

00000

RW021

Channel 1 S20LP

10 Words transfer

Scan memory address

Operation

When X0000 is ON, 10 words data starting with scan memory address 0 is transferred to

D0200 and after.

TOSLINE-S20LP

T2N/T3H’s CPU

scan data memory source

00001

00100

12345

D0200

00001

00100

12345

D0201

D0202

Transmit

03344

11565

00045

D0207

D0208

D0209

03344

11565

00045

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Remarks

When writing data into S20LP scan memory, confirm that the address range is S20LP's

data send block.

If S20LP scan memory is accessed only by this XFER instruction, the network

assignment, i.e. "LINK" or "GLOBAL" setting, is not necessary.

If W register is designated as source and destination, don't set the network assignment,

i.e. "LINK" or "GLOBAL".

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7. Message transmission

7.1 Message transmission

The message transmission is text transmission to be performed communication on request. This

transmission is following two protocol.

Computer link protocol

PC link protocol

7.2 Computer link protocol

The host machine can communicate to a T2N/T3H on the S20LP using the computer link

protocol. Since this function executes the station and firmware, there is no need to create pecial

user programs for the T2N/T3H using the slave station.

The host machine used this protocol can execute following process for the T2N/T3H.

Upload or download user programs.

Status observation (reading out RUN/HALT/ERROR status).

Read or write register/device data.

Execute control commands.

The computer link protocol cannot execute following process.

T2N/T3H is Down mode.

A S20LP-station except for ONLINE and STANDBY mode.

7.3 PC link protocol

This section presents an overview of the SEND and RECV instructions, which are the

instructions that are used to control the S20LP-station from T2N/T3H user programs. S20LP-

station transmission control (PC link protocol transmission) is performed solely using the SEND

and RECV instructions. See the individual items for details on the actual requests sent to the

S20LP.

The PC link protocol allows one T2N/T3H on network to write or read register data to another

T2N/T3H.

When this function is used on the PC link slave station, there is no need to create special user

programs for the T2N/T3H using the slave station.

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runs on the T2N/T3H of the main station is discussed below.

The user program that

(1) Instruction format

The format of SEND and RECV instruction

Input

Output

[ A

S E N D

R E C V

B ]

Input

(2) Function

SEND

This instruction sends the designated range of register data to another T2N/T3H

through the network. The transfer source register (self-station) is designated by A+3

and A+4. The transfer destination register (target-station) is designation by A+5 and

A+6. The transfer size (number of words) is designated by A+2. The maximum

transfer size is 128 words.

RECV

This instruction reads the designated range of register data from another T2N/T3H through

the network. The transfer source register (target-station) is designated by A+5 and A+6. The

transfer destination register (self-station) is designation by A+3 and A+4. The transfer size

(number of words) is designated by A+2. The maximum transfer size is 128 words.

Input

OFF

Operation

No execution

Execution

Output

ERF

OFF

Transmission port instruction busy/instruction execution in OFF

progress (response wait)

Response reception complete (normal complete)

Instruction error

OFF

Operand

Name

Device

INDEX

Index

Con-

stant

Transfer parameter

Status

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(Note 1) ERF is the S0051 special relay. See the T-series Instruction Set for information on ERF

usage.

(Note 2) For these instructions, instruction execution starts at the point the input changes state

from off to on.

(Note 3) Since these instructions span multiple scans, applications must hold the input in the on

state until the output goes to the on state.

(Note 4) After instruction execution terminates, it is possible to start execution again by applying

a new input.

(4) Transfer parameters (A)

The data required for a request to the S20LP-station is set up in an area that starts in the

we present an overview of the structure of the transfer parameters.

CMD

Parameters

Module designation

A + 1

Command number: Normally 0H; request to loopback 000FH

A + 2

A + 3

Parameters:

This data differs depending on the type of

the request to the S20LP-station.

Module designation:

2 (Module ID):

Designates the S20LP module in the T2N/T3H.

Must be set to 2 for an S20LP-station.

o(channel number):

The values 1 and 2 are allocated in order starting closest to

the T3H. T2N must be set to 1.

(station number):

This two-digit field set to another station number.

(Note 5) Do not modify the contents of the transfer parameters while an instruction execution is

in progress.

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(5) Status (B)

The status during the execution of a SEND or RECV instruction and after that instruction

terminates is stored in the register shown at B. When TermSTS = 0BH, the detailed

information (S20LP-station error information) will be loaded into the registers indicated at

location B + 1.

The following figure shows the structure of the status information (register B) and following

tables (TermSTS (Part1 and Part2) and detailed information) show the detailed information

(register B +1).

Status

B+1

Detailed information

TermSTS

Only on an error 0: Error occurred at local station.

1: Error occurred at remote station.

status 0: Initial state

busy 0: Initial state

1: While send requesting

2: Send complete and while waiting

response

1: Transmission port busy

abn 0: Normal complete

1: Error complete

3: Complete

(Note 6) The user program must set bits C and D to 0 before first activating a SEND/RECV

instruction. Failure to do so will cause the SEND/RECV instruction to not complete. Also,

do not write to the status during instruction execution. This will cause the SEND/RECV

instruction to not complete.

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TermSTS

TermSTS Status

Meaning

00H

01H

Normal complete

•

Occurs if a register other than XW, YW,W, LW, RW, D, F, T, C, or SW is

designated as the data storage register in one of the following requests.

Requests: Remote station loopback, Register read/write.

In a register read or write request, the request designated a read or write from

a T register to a register other than a T register.

(This also applies to C registers.)

02H

03H

Response timeout

Parameter error

•

Occurs if a response is not received within the designated time for a remote

station loopback or register read/write request.

•

Occurs if a value other than 2 is designated for the module ID.

Occurs if a value other than 1 (T2N/T3H) or 2 (T3H) is designated for the

channel number.

04H

•

Occurs if an attempt to write is made when the remote registers were write

protected.

Occurs if an attempt to read is made when the local registers were write

protected.

05H

06H

(Reserved)

Module error

•

Occurs if the module is down.

Occurs if the master station of PC link times out

Occurs if the module is initializing.

Initialization in progress

07H

08H

No send channel (CH)

Invalid station number

•

Occurs if the corresponding S20LP-station is not installed.

Occurs if the local station address designated 0 or over 64.

•

Occurs if the remote station address was set up the same local station

address.

09H

0AH

Transfer size error

Boundary error

•

Occurs if either 0 or 129 or more words were designated for either a register

read/write or a remote station loopback request.

Occurs if the specified area (start address + register range) does not exist in

the T2N/T3H data storage registers.

Requests: Remote port loopback, Register read/write

0BH

Transmission error

I/O no answer error

•

Occurs if the S20LP-station returns an error response.

Detailed information (the S20LP-station response status) is stored at B+1.

0CH

0DH

•

Occurs if the T2N/T3H cannot access S20LP-station.

Occurs if an error occurs when the T3H IC card is being used as register

(expanded F register) in one of the following request.

(See the T3H Instruction Manual.)

Request: Register read/write

1. Occurs if IC card is not setting up.

2. IC card type error

IC card designation error

(T3H)

3. Register write protected

(Reserved : T2N)

•

Occurs if a T2N retransmission times out.

0EH

0FH

Retry timeout error

(Reserved)

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Detailed Information (Send completion status)

Error

Code

81H

Description

Normal complete

Busy

The remote station normally received message frame from local station.

The remote station is standby.

90H

Timeout

A0H

The answer frame for the transmitted message frame no returned from remote

station on time.

Length error

B0H

D0H

E0H

Incorrect message frame length in remote station.

The local station is Offline.

Station mode error

Transmission prohibited state

(local station)

The local station cannot transmit message in the message transmission

prohibited state.

The remote station cannot transmit message in the message transmission

prohibited state.

Transmission prohibited state

(remote station)

E8H

F0H

Format error

Occurs when there is a format error in the request text.

(Note 7) The code (detailed information) number, when SEND/RECV instruction is

completed, indicates send completion status.

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(6) PC link protocol transmission (Data write)

The T series PC link protocol allows a T2N or T3H on a network to write register data to

another T2N or T3H.

(a) Function

The register data designated by the local station (T2N/T3H) is written to the designated

(b) Transfer parameters

2¨

Module designation

A+1

A+2

A+3

A+4

A+5

A+6

A+7

CMD = 0000H

Transfer Size

Command number: Normally 0H; request to loopback 000FH

1) Transfer register data length: 1 to 128 words

2) Local station register type code

3) Local station leading address

Leading address (self-station)

Leading address (target-station)

Response time limit

4) Remote station register type code

5) Remote station leading address

6) Response time limit

1) Transferred register data length

Designates the transmission data length in word units. (1 to 128 words)

2) Local station register type code

This code indicates the type of register in which the local station transmission source data

is stored.

3) Local station leading address

Designates the leading address of the register designated by the local station register type

code.

4) Remote station register type code

This code designates the type of register at the remote station to which the transmitted data

will be written. (see 7.3(6))Local station register code)

5) Remote station leading address

Designates the leading address of the register designated by the remote station register type

code.

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6) Response time limit

Designates a time used to limit the response time from the remote station in 0.1 second

units.

A+7

0: Use the user-specified value (0.1 to 3276.7 seconds)

1: Use the default value of 30 seconds.

This code indicates the type of register code in which the local or remote station transmission

source data is stored. See “T-series Instruction Set (Ladder, SFC)” (UM-TS03***-E004).

RID

Meaning

RID

Meaning

0000H

0001H

0002H

0003H

0004H

XW/YW registers

W register

F register (0 - 8191)

**05H

**06H

0007H

0008H

0009H

F register (0 - 65535) *2

LW register

RW register

D register

T register

C register

SW register

*1 Includes the expansion F registers. One bank has 8k words (0 to 8191).

05H

Bank number...00H: T2N internal registers

F0000 to F1023

01H to 03H: Expansion F registers

F0000 to F8191

*2 Includes the expansion F registers(Only T3H). One bank has 64K words (0 to 65535).

Bank number...00H: T3H internal registers

F0000 to F32767

01H: Expansion F registers (IC card)

F0000 to F65535

02H: Expansion F registers (IC card)

F0000 to F57343

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6 F 3 B 0 3 5 6

*3 The T and C registers hold data that has flags attached.

Supplement:

The transfer data length has a maximum of 323 words when data is transferred over the

Ethernet.

For the T registers, it is not possible to designate a range that spans both the basic T registers

(0 to 511) and the expansion T registers (512 to 999). The T3H has the expansion T register,

but the T2N does not have.

TermSTS

B+1

Detailed information (Only valid when TermSTS = 0BH.)

(d) Important items

The command number (0000H) is the same as the "Data Read".

A transfer size error (TermSTS = 09H) occurs if the transferred register data length exceeds

the range 1 to 128 words (or 1 to 83 words for the T and C registers).

A register designation error (TermSTS = 01H) occurs if a value other than a stipulated value

is designated for the register type codes (Register type (self/target-station)).

A register designation error (TermSTS = 01H) occurs if 0007H (the T register) is designated

for the local station register type code and a register other than T register is designated for

the remote station register type code. This also holds for the C register.

A boundary error (TermSTS = 0AH) occurs if a range spanning both the base T registers

(0 to 511) and the expansion T registers (512 to 999) is designated for the T register.

For data storage registers, a boundary error occurs if the designated area (leading address +

Local station : TermSTS = 0AH ; Remote station : TermSTS = 8AH

A response time-out error (TermSTS = 02H) occurs if the response time from the remote

station exceeds the time designated by the response time limit.

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6 F 3 B 0 3 5 6

Write protection can be designated for each register type on the local T2N/T3H by using the

special coil settings described below. In this case, a register write protect error (TermSTS =

04H) will occur.

0: Write enabled

1: Write protected

SW067

SW C

RW LW W XW/YW

Special registers

Counter registers

Input/output registers

Link registers

Link relay registers

Auxiliary registers

Data registers

Timer registers

PC internal file registers

Expansion file registers (IC card)

The write operation is not synchronized with the remote station T2N/T3H scan operation.

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6 F 3 B 0 3 5 6

(7) PC link protocol transmission (Data read)

The T series PC link protocol allows a T2N or T3H on a network to read register data from

another T2N’s or T3H’s registers into its own registers.

(a) Function

The register data designated by the remote station (T2N/T3H) is read to the designated

(b) Transfer parameters

2¨

Module designation

A+1

A+2

A+3

A+4

A+5

A+6

A+7

CMD = 0000H

Transfer Size

Command number: Normally 0H; request to loopback 000FH

1) Transfer register data length: 1 to 128 words

2) Local station register type code

3) Local station leading address

Leading address (self-station)

Leading address (target-station)

Response time limit

4) Remote station register type code

5) Remote station leading address

6) Response time limit

1) Transferred register data length

Designates the transmission data length in word units. (1 to 128 words)

2) Local station register type code

This code indicates the type of register in which the local station transmission source data

is stored.

3) Local station leading address

Designates the leading address of the register designated by the local station register type

code.

4) Remote station register type code

This code designates the type of register at the remote station to which the transmitted data

will be written. (see 7.3(6))Local station register code)

5) Remote station leading address

Designates the leading address of the register designated by the remote station register type

code.

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6 F 3 B 0 3 5 6

6) Response time limit

Designates a time used to limit the response time from the remote station in 0.1 second

units.

A+7

0: Use the user-specified value (0.1 to 3276.7 seconds)

1: Use the default value of 30 seconds.

TermSTS

B+1

Detailed information (Only valid when TermSTS = 0BH.)

(d) Important items

The command number (0000H) is the same as the "Data Write".