FieldServer Computer Drive FS 8700 103 User Manual

-
A Sierra Monitor Company  
Driver Manual  
(Supplement to the FieldServer Instruction Manual)  
FS-8700-103 ATMI-TGM Serial Driver  
APPLICABILITY & EFFECTIVITY  
Effective for all systems manufactured after May 1, 2001  
Driver Version:  
1.00  
Document Revision: 2  
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FS-8700-103_ATMI_TGM_Serial Manual  
Page 3 of 28  
1.  
ATMI TGM Serial Driver Description  
The ATMI-TGM driver allows the FieldServer to transfer data to and from devices over RS-232  
using the ATMI-TGM printer port protocol.  
This driver connects to an ATMI TGM device using a serial connection. One device may be  
connected per FieldServer port. (This limitation exists because the protocol is node-less; that is,  
messages do not contain information about the node and thus messages from different TGM  
devices could not be distinguished if they were connected on the same port.)  
The driver reports Gas and sensor readings and Gas alarm / warning status. The driver reports  
TGM module malfunctions.  
The driver is a client only driver.  
When reporting port and sensor data, the driver reports the gas name by setting a gas name  
index value. The index value is obtained from a list of gas names / index values hard coded into  
the driver. The list may be extended and/or modified using the configuration by using  
appropriate entries in the configuration CSV file. The driver reports a second gas name index  
value based on reading the TGM calibration report. When the report is read each gas is  
allocated an identifier value based on the gas’s position in the configuration report.  
The driver does not provide emulation of a TGM device and thus may not be used as a server.  
It is not possible to use this driver to write to the TGM device.  
Max Nodes Supported  
FieldServer Mode Nodes  
Comments  
CLIENT  
SERVER  
1
1
ONLY 1 SERVER NODE ALLOWED PER PORT.  
Server capability not provided.  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com  
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]  
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2.  
Driver Scope of Supply  
2.1. Supplied by FieldServer Technologies for this driver  
FieldServer Technologies  
PART #  
Description  
Connector, 9-pin female: connects to DTE, DSR/DTR  
loop  
FS-8917-12  
FS-8700-103  
Driver Manual.  
2.2.  
2.2.1.  
Provided by the Supplier of 3rd Party Equipment  
Required 3rd Party Hardware  
Part #  
No specific Hardware requirements other than TGM unit.  
Description  
2.2.2.  
Required 3rd Party Configuration  
The FieldServer’s serial port must be configured to be used as a ‘Console Port’ on the  
TGM device. The ‘Console Port’ is configurable. At least one of the two serial ports on  
the TGM device must be configured to enable the ‘Console Port’. This is not always the  
case when the TGM is shipped. Notes in Appendix D provide additional information.  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com  
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]  
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3.  
Hardware Connections  
The FieldServer is connected to the TGM device’s printer port as shown in connection drawing.  
Configure the TGM device according to manufacturer’s instructions  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com  
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]  
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3.1.  
Hardware Connection Tips / Hints  
The following notes are provided from a TGM manual:  
The TGM code constantly checks the status of the DSR input of its serial ports connected to  
the DTR output of the remote serial ports. If the TGM DSR is NOT ASSERTED (FALSE),  
then the TGM software will suspend serial data output out of TGM Tx, and start a timeout  
timer (the default timeout time = 30 seconds as set in CONFIG.DAT). During this timeout, if  
the DSR is ASSERTED (TRUE), then the TGM software will begin transmitting data. If the  
DSR hold exceeds the (configurable) 30 second timeout, the TGM will report a malfunction:  
MALFUN  
MALFUN  
PRINTER OFF LINE  
REMOTE OFF LINE  
hh:mm dd mmm yy  
hh:mm dd mmm yy  
depending upon which port has timed out. Restoration of the DSR status as ASSERTED or  
TRUE will clear the above malfunction(s). The above malfunctions will occur if the active  
TGM serial ports (printer or remote) are not connected upon bootup with the proper null  
modem cables to active serial ports with DTR (connected to theTGM DSR)  
ASSERTED/TRUE. The TGM can have the hardware control defeated by jumpering CTS to  
DTR to DSR on the TGM side of the connector.  
The driver does not provide the hardware handshaking required and assumes the hardware  
control has been defeated with jumpers.  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com  
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]  
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Page 7 of 28  
4.  
Configuring the FieldServer as a ATMI TGM Serial Client  
For a detailed discussion on FieldServer configuration, please refer to the FieldServer  
Configuration Manual. The information that follows describes how to expand upon the factory  
defaults provided in the configuration files included with the FieldServer (See “.csv” sample files  
provided with the FieldServer).  
This section documents and describes the parameters necessary for configuring the FieldServer  
to communicate with a TGM device.  
4.1.  
Data Arrays/Descriptors  
The configuration file tells the FieldServer about its interfaces, and the routing of data  
required. In order to enable the FieldServer for ATMI TGM Serial communications, the driver  
independent FieldServer buffers need to be declared in the “Data Arrays” section, the  
destination device addresses need to be declared in the “Client Side Nodes” section, and  
the data required from the servers needs to be mapped in the “Client Side Map Descriptors”  
section. Details on how to do this can be found below.  
Note that in the tables, * indicates an optional parameter, with the bold legal value being the  
default.  
Section Title  
Data_Arrays  
Column Title  
Function  
Legal Values  
Up to 15 alphanumeric  
characters  
Data_Array_Name  
Provide name for Data Array  
Float, Bit, UInt16, SInt16,  
Provide data format. Each Data Packed_Bit,  
Byte,  
Data_Array_Format  
Array can only take on one format.  
Packed_Byte,  
Swapped_Byte  
Number of Data Objects. Must be  
larger than the data storage area  
required by the Map Descriptors for  
the data being placed in this array.  
Data_Array_Length  
1-10,000  
Example  
// Data Arrays  
Data_Arrays  
Data_Array_Name,  
DA_AI_01,  
DA_AO_01,  
DA_DI_01,  
Data_Format,  
UInt16,  
UInt16,  
Bit,  
Data_Array_Length  
200  
200  
200  
200  
DA_DO_01,  
Bit,  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com  
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]  
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4.2.  
Client Side Connection Descriptions  
Section Title  
Connections  
Column Title  
Function  
Legal Values  
P1-P8, R1-R21  
Specify which port the device is  
connected to the FieldServer  
Specify protocol used  
Port  
Protocol  
Baud*  
TGM-Serial, ATMI-TGM-Serial  
110 – 19200, standard baud  
rates only (Vendor limitation)  
None (Vendor limitation)  
8 (Vendor limitation)  
1
Specify baud rate  
Parity*  
Specify parity  
Data_Bits*  
Stop_Bits*  
Handshaking*  
Poll _Delay*  
Specify data bits  
Specify stop bits  
Specify hardware handshaking  
Time between internal polls  
None  
0-32000 seconds, 1 second  
Example  
//  
Client Side Connections  
Connections  
Port,  
P8,  
Protocol,  
TGM-Serial,  
Baud,  
9600,  
Parity,  
None,  
Handshaking,  
None,  
Poll_Delay  
0.100s  
4.3.  
Client Side Node Descriptors  
Section Title  
Nodes  
Column Title  
Node_Name  
Function  
Provide name for node  
Legal Values  
Up to 32 alphanumeric characters  
This parameter is not required for  
the TGM driver. However, if you  
Node_ID  
intend to use the Node_Status 1-255  
function with a Data Array then  
the Node_ID must be specified.  
Protocol  
Specify protocol used  
TGM-Serial, ATMI-TGM-Serial  
Specify which port the device is  
connected to the FieldServer  
Connection  
P1-P8, R1-R21  
Example  
// Client Side Nodes  
Nodes  
Node_Name,  
PLC 1,  
Node_ID,  
1,  
Protocol,  
TGM-Serial,  
Connection  
P8  
1
Not all ports shown are necessarily supported by the hardware. Consult the appropriate Instruction  
manual for details of the ports available on specific hardware.  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com  
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]  
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4.4.  
4.4.1.  
Client Side Map Descriptors  
FieldServer Related Map Descriptor Parameters  
Column Title  
Function  
Legal Values  
Up to 32 alphanumeric  
characters  
Map_Descriptor_Name Name of this Map Descriptor  
Name of Data Array where One of the Data Array  
data is to be stored in the names from “Data Array”  
Data_Array_Name  
Data_Array_Offset  
Function  
FieldServer  
section above  
0 to maximum specified in  
“Data Array” section above  
Starting location in Data Array  
Function  
of  
Client  
Map  
Descriptor. The driver cannot RDBC, ARS  
write to the TGM device.  
4.4.2.  
Driver Related Map Descriptor Parameters  
Column  
Title  
Function  
Legal Values  
One of the node names specified in  
“Client Node Descriptor” above  
Node_Name Name of Node to fetch data from  
Data_Type  
This commonly used driver parameter is not used by the driver.  
QIR Report: Length = 100  
CALR Report: Variable. Depends on  
number of gases reported in CALR  
report. Start with a length of 100 and  
Length of Map Descriptor  
increase if necessary.  
The parameter is not used by  
QLA Report:  
the driver but is used by the  
FieldServer Kernel to reserve  
If the config has no sensors and port  
space in the Data Array.  
Length  
x is the max port number, then make  
the array (x+1) * 10 elements long  
Set the Length according to the  
function.  
If the config has any sensors and  
sensor x is the max sensor number  
then make the array 200 + (x+1) *  
10 elements long  
Address  
This commonly used parameter is ignored by the driver.  
4.4.3.  
Timing Parameters  
Legal  
Column Title  
Function  
Values  
Rate at which data is polled  
For CALR report use a long interval (600s) as the TGM  
Scan_Interval configuration seldom changes.  
Set the Scan_Interval for the QLA and QIR reports to zero  
to have the driver poll for this data as often as possible.  
0.001s  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com  
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]  
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Page 10 of 28  
4.4.4.  
Map Descriptor Example #1 – CALR Report.  
To be useful to the upstream device the driver reports gas concentration values and gas names from the QLA report. In reporting the  
gas names it is most useful when a driver stores an index value which is used to imply the gas names. The reason this is most useful  
is that it is typically easier for automation devices to work with numbers and not text.  
When the driver reads the Calibration report, it does two things.  
1) It stores a string of gas names vs. index values in the Data Array. This string can be viewed using the Ruinet Utility and may be of  
help in interpreting the gas name index values stored by the QLA report.  
2) The data is stored internally by the driver and when a QLA report is parsed the driver looks the gas names up in the CALR report  
data and uses the lookup to determine what gas name index value to store.  
// Client Side Map Descriptors  
Map Descriptors  
Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_Name, Address Length, Scan_Interval, TGM_Funtion  
RD_CALR,  
DA_CALR,  
0,  
RDBC,  
Node_A,  
0,  
100,  
600s,  
CALR  
Data  
storage  
Although  
not  
Tells the driver to repeat this  
read task continuously. The  
polling interval is set by the  
Scan_Interval parameter.  
Reserve  
enough  
Tells the driver  
starts at this  
location in the  
Data Array.  
mandatory it is  
recommended  
that each MD is  
given a unique  
name.  
space in the Data  
Array to store the  
gas/index string.  
to  
read  
the  
Calibration  
report.  
For the CALR report is may  
also make sense to use the  
‘ARS’ function which gets the  
driver to read this data once  
each time the driver restarts.  
No need to  
read this report  
too often.  
A list of gas names vs. index values is  
stored in the Data Array specified here.  
In this particular example, the list is  
stored as an ASCII string and hence it  
makes most sense to ensure that the  
Data Array’s format is BYTE so that it  
can be viewed as a string when using  
Ruinet.  
The node name connects the Map Descriptor to a  
Node definition which in turn is connected to a port.  
That is how the driver knows which port to use to  
poll for this data.  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com  
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]  
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Page 11 of 28  
4.4.5.  
Map Descriptor Example #2 – QLA Report.  
In this example, a Map Descriptor is created to read the Latest Area Report (QLA). This report contains gas concentration and status  
for each port and sensor. Ten Data array elements are required for each port / sensor that is reported. The poistion in the array is  
dependent on the port/sensor number. Appendix B provides additional information. By specifying the extra arrays (DA_Bit_Name and  
DA_Byte_Name) the driver stores additional information.  
// Client Side Map descriptors  
Map Descriptors  
Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_Name Address Length Scan_Interval DA_Byte_Name  
DA_Bit_Name  
TGM_Funtion  
RD_QLA,  
DA_CALR,  
0,  
RDBC,  
Node_A,  
0,  
300,  
1.0s  
DA_GAS_UNITS DA_QLA_GAS QLA  
Gas  
value,  
concentration  
status,  
This parameter may be omitted. If specified  
then the Data Array will be used to store  
the gas concentration value engineering  
units in ASCII. Storage position is  
dependent on the port/ sensor number.  
This parameter may be omitted. If  
specified then the Data Array will  
be used to store the gas name in  
Tells the driver  
to read the QLA  
report.  
engineering units index  
values, gas name index  
values are stored in this  
Data Array  
ASCII.  
Storage  
position  
is  
dependent on the port/ sensor  
number.  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com  
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]  
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4.5.  
Map Descriptor Example #3 – QIR Report – Malfunctions  
In this example the Map Descriptor is configured to read the incident report. The driver parses the report looking for malfunctions and  
reports that show a malfunction has been cleared. Other incidents / events are ignored except for events #19 and #37 which cause  
all malfunctions to be cleared. The Driver updates the array setting values to 1 (malfunction) or zero when a malfunction has been  
cleared. The position indicates the malfunction number. The driver has a list of malfunctions and index numbers stored internally.  
Refer to Appendix A.2 for this list. The list can be modified in the configuration CSV file.  
CAUTION: When the QIR report is polled it responds with the latest incidents only. This means that care should be taken to  
synchronize the FieldServer and the TGM. Read more about this in Appendix B.8  
// Client Side Map Descriptors  
Map Descriptors  
Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_Name Address Length Scan_Interval TGM_Funtion  
RD_QIR,  
DA_MALFUNC,  
0,  
RDBC,  
Node_A,  
0,  
100,  
2.0s  
QIR  
Tells the driver  
to read the  
incident report.  
Driver sets the Data Array elements to 1 when there is  
malfunction and sets the value to zero when the malfunction is  
cleared.  
Position in the array indicates the malfunction number.  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com  
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]  
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Page 13 of 28  
Appendix A. TGM Tables  
Appendix A.1. Hard Coded Gas Name Table  
This table is used by the driver when storing data from the QLA report. The driver looks the  
reported gas name up in this table. If a match is found then the driver stores the  
corresponding index value in the Data Array. If no match is found the the driver stores a  
value of –1.  
The table may be extended/modified using the configuration file. Refer to Appendix B.4  
Gas Name  
Error / Unknown  
NONE  
ASH3  
B2H6  
CH4  
Index Value  
-1  
1
3
6
9
CH4AC  
CL2  
DET  
F123  
GEH4  
H2  
H2AC  
H2S  
H2SE  
HCL  
HF  
N2O  
NF3  
NH3  
O2  
O3  
PH3  
POCL  
POCL3  
SIHX  
SIHx  
TMBP  
WF6  
12  
15  
18  
21  
24  
27  
30  
33  
36  
39  
42  
45  
48  
51  
54  
57  
60  
63  
66  
69  
70  
75  
78  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com  
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]  
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Appendix A.2. Malfunction Table  
Page 14 of 28  
When an event is reported in the Incident Report (QIR) then the driver compares the event  
description to text in the table below. If the text matches an an entry in the ‘Malfunction’  
column (and is preceeded by the string MALFUNC) then the Data Array element at the  
specified offset is set to 1. If the text matches the ‘Return to Normal’ text then the  
malfunction is considered as cleared and the Data Array element is set to zero.  
The Data Array elements are all set to zero when  
Event 19 reports ” ALARM RESET “ or Event 37 reports “ALL MALFUNCTIONS CLEAR”  
The Malunction text strings generated by the TGM unit are not the same for all units. They  
can be customized in theTGM’s config.dat file. For this reason, this driver allows the strings  
in the table below to be customized too – see Appendix B.5. In addition to allowing this  
table to be customised in the configuration file, the driver can use a config.dat file to directly  
customise the table – see Appendix B.7  
Offset Malfunction  
BASELINE OUT OF RANGE  
Return to Normal  
20  
22  
24  
26  
28  
30  
32  
38  
39  
41  
45  
47  
48  
50  
52  
54  
56  
58  
60  
62  
64  
66  
68  
70  
75  
80  
82  
84  
86  
88  
90  
BASELINE BACK TO NORMAL  
IGNITER SWITCH IS OFF  
FLAME IGNITION ENABLED  
VACUUM BACK TO NORMAL  
FLAMEOUT BACK TO NORMAL  
LINE LEAK BACK TO NORMAL  
POWER RESTORED  
IGNITER SWITCH IS ON  
FLAME IGNITION DISABLED  
LOW VACUUM  
FLAMEOUT RESTART  
LINE LEAK TEST MALFUN  
POWER FAILURE  
FAILED TO LOAD PROGRAM  
DPM TIMEOUT  
RELAY FILE ERROR  
CHECK I/O AND FUSES  
TGM IN DEBUG MODE  
DISK NEARLY FULL  
FLAMEOUT CONDITION  
FAILED FLAME TEST  
FAILED RESPONSE TEST  
FAILED BLOCK LEAK CHECK  
ANALOG SUBSYSTEM FAILURE  
ANALOG CHANNEL FAILURE  
PRINTER OFF LINE  
DPM BACK TO NORMAL  
OPERATIONS CHECK DONE  
I/O AND FUSES OK NOW  
ADEQUATE DISK STORAGE NOW  
RETURN FROM FLAMEOUT  
FLAME TEST OK NOW  
RESPONSE TEST OK NOW  
BLOCK LEAK CHECK OK NOW  
ANALOG SUBSYSTEM NORMAL  
ANALOG CHANNEL NORMAL  
PRINTER BACK TO NORMAL  
REMOTE BACK TO NORMAL  
DISK BACK TO NORMAL  
REMOTE OFF LINE  
DISK READ/WRITE ERR  
LAN READ/WRITE ERROR  
DISK FULL - DATA LOST  
HIGH SAMPLE VARIANCE  
COUS SENSOR TIMEOUT  
COUS GETTER INOPERATIVE  
ACOUSTIC SENSOR FAILURE  
GETTER TEMPERATURE LOW  
LOW SAMPLE FLOW  
LAN BACK TO NORMAL  
DISK NO LONGER FULL  
SAMPLE VARIANCE OK NOW  
COUS TIMEOUT CORRECTED  
COUS GETTER OK NOW  
ACOUSTIC SENSOR RECOVERD  
GETTER TEMPERATUR OK NOW  
SAMPLE FLOW OK NOW  
TGM HYDROGEN LEAK  
HYDROGEN LEAK REPAIRED  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com  
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]  
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Page 15 of 28  
Appendix A.3. Gas Concentration Engineering Units  
This table is used by the driver when storing data from the QLA report. The driver looks the  
reported engineering units up in this table. If an matching entry is found then the driver  
stores the index value. If a matching entry cannot be found then the driver stores a value of  
–1. (Note that when –1 is stored in a BYTE or UINT16 formatted Data Aray it will appear as  
a positive number such as 255 (Byte Array) or 65535 (uint16 Array).  
The table may be extended/modified using the configuration file. Refer to Appendix B.1  
Engineering Units  
Index Value  
Error / Unknown  
-1  
1
2
3
4
5
6
ARU  
PPM  
PPB  
LEL  
%
PCT  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com  
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]  
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Page 16 of 28  
Appendix B. Advanced Topics  
Appendix B.1. How Malfunctions are determined and stored  
The notes below describe how the driver parses incident reports obtained by the QIR  
poll.  
The driver starts at the end of the report and works its way to the top, line by line.  
Each line is inspected to see if it contains either of the following strings  
“ALARM RESET"  
"ALL MALFUNCTIONS CLEAR”  
If either is reported then the driver sets all the array elements to zero except those  
corresponding to lines of the report appearing after (and hence later in time) one of the  
above lines that indicates that malfunctions be set, in which case those particular  
malfunctions will be reported as 1’s in the Data Array.  
When either one of these two events is found the driver stops parsing the report as all  
prior lines predate the clear event.  
Each line is inspected for the string “MALFUN”. If it is found then ‘Event’ field in the  
report is inspected and the description is extracted and compared to the malfunction list  
provided in Appendix A.2. If a match is found the driver uses the offset value and sets  
the corresponding element in the Data Array to 1.  
If the string “MAFUN” is not found then the description found in the ‘Event’ field of the  
report is used to look up a ‘Return to Normal’ event in the table provided in Appendix  
A.2. If a match is found then the corresponding offset in the Data Array is set to zero.  
If the description is not recognized then it it is ignored.  
Example  
Only the Malfunction ‘COUS SENSOR TIMEOUT’ would have its Data Array element set to  
1. All others will be set to zero. The reason is that all events above the ‘ALARM RESET’ line  
are considered to be prior to the reset and are thus cleared when the driver sets all the Data  
Array elements to zero. The timeout event occurs later and hence its malfunction is set.  
MALFUN POWER FAILURE  
POWER RESTORED  
MALFUN TGM IN DEBUG MODE  
MALFUN FAILED FLAME TEST  
ALARM RESET  
00:00 00  
00  
10:29 16 FEB 04  
10:29 16 FEB 04  
10:29 16 FEB 04  
10:29 16 FEB 04  
10:29 16 FEB 04  
MALFUN COUS SENSOR TIMEOUT  
When the driver uses the lookup table to see if it recognizes the event description then it  
compares the strings looking for an exact match. If no exact match is made then the driver  
uses a so-called ‘soundex’ function to see if the strings are very similar, if they are then they  
are considered to be matched. If a similar match is made the driver reports this in the error  
log.  
16 T02> TGM:#21 FYI. Malfunction. Dont recognize <POWER FAILED>  
17 T02>  
But sounds like <POWER FAILURE>.  
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Page 17 of 28  
Appendix B.2. How Gas Data is Stored  
The QLA reports provides Gas Concentration values for each configured port/sensor  
connected to the TGM.  
The driver stores the data using the “Data_Array_Name” and “Data_Array_Offset”  
parameters specified on the Map Descriptor. Two additional Data Array’s can be  
specified to tell the driver where to store the gas names and egineering units.  
The position at which data is stored in the array is deprendent on the TGM port/sensor  
number. Use the following formula to determine the position.  
For Port x :  
Relative Offset = Port_Number * 10  
For Sensor x : Relative Offset = 200 + ( Sensor_Number * 10 )  
Thus enough room is provided to store data from 20 ports and provided the Array is long  
enough, there is no limit to the maxium sensor number.  
The offset’s described here are relative to the offset provided in the Map Descriptor,  
which should be added to the offsets specified here  
Relative  
Offset  
Contents  
In the Data Array specified by the “Data_Array_Name”  
0
1
Port Number  
Set to 'P' for a port. Set to 'S' for a sensor  
Gas concentration Value. Can be scaled by applying Map Desc scaling using  
2
the  
parameters  
Data_Array_Low_Scale,  
Data_Array_High_Scale,  
Node_Low_Scale, Node_High_Scale  
Gas Conc. Engineering Units as an index value. Stores –1 if units are not  
recognized. Index value is based on lookup table - Appendix A.3  
Gas Status.  
3
4
0=Normal; 1=Warn; 2=Alarm; 4=Error  
Gas Name index (based on CALR report)  
A list of gas names and index values is built when the CALR report is parsed. It  
is not possible to provide a list of index values vs gas names in advance  
because this is dependent on the TGM configuration.  
To facilitate debugging your application the driver stores the list it builds in a  
Data Array which can be read by an upstream device or which can be seen by  
uisng the Ruinet Utility.  
5
If the gas name is not recognized then the driver stores a value of –1.  
Gas Name index based on looking up the gas name in the table provided in  
Appendix A.1  
6
0
If the gas name is not recognized by the lookup then a value of –1 is stored.  
In the Data Array specified by the “DA_Bit_Name”  
Gas Name is stored character for character to a max of 9 characters.  
The name of the Map Desc parameter is confusing. The Data Array specified  
with this parameter can have any format - ‘BYTE’ format is reccomended.  
In the Data Array specified by the “DA_Byte_Name”  
Gas Concentration Engineering Units are stored character for character to a  
max of 9 characters.  
0
The name of the Map Desc parameter is confusing. The Data Array specified  
with this parameter can have any format and in fact the ‘BYTE’ format is  
reccomended.  
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Appendix B.3. Adding/Modifying Gas Concentration Value Engineering Units  
The configuration CSV file can be used to modify the table of engineering units that is hard  
coded into the driver. This table is presented in Appendix A.3  
Add a section to the configuration file which is similar to the following example.  
In the example below the Units specified is ‘PPM’, an entry from the existing list. When the  
driver finds the lines below, it will update the index value to 20.  
// Change index value of existing unit to 20.  
Driver_Table  
TGM_Units_Name,  
PPM,  
TGM_Units_Index_Value,  
20,  
Protocol  
TGM  
In the example below the units specified are ‘gpl’ and they have been assigned an index  
value of 7.  
// Add a new engineering unit  
Driver_Table  
TGM_Units_Name,  
gpl  
TGM_Units_Index_Value,  
7,  
Protocol  
TGM  
Appendix B.4. Adding / Modifying Hard Coded Gas Names  
When a gas concentration is reported, the driver reports the gas name by looking up the gas  
name in a list of hard coded gas names. When a match is found the driver stores the  
associated index value. The table may be modified/extended in the configuration CSV file.  
The table of names and index values is provided in Appendix A.1  
Add a section to the configuration file which is similar to the text found in the examples  
below.  
In the example below the gas name specified is ‘H2’, an entry from the existing list. When  
the driver finds the lines below, it will update the index value to 20.  
// Change index value of existing gas to 20.  
Driver_Table  
TGM_Gas_Name,  
H2,  
TGM_Gas_Index_Value,  
20,  
Protocol  
TGM  
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In the example below the gas name specified is ‘C2H5OH’ and it has been assigned an  
index value of 7. It will be added to the table.  
// Add a new gas name  
Driver_Table  
TGM_Gas_Name,  
C2H5OH,  
TGM_Gas_Index_Value,  
7,  
Protocol  
TGM  
Appendix B.5. Adding / Modifying Malfunction Strings  
When an event is reported, the driver compares the “MAFLUN” events to those in the table  
provided in Appendix A.2. The table can be modified or extended.  
Add a section to the configuration file which is similar to the text found in the examples  
below.  
In the example below the gas name specified is ‘DISK NEARLY FULL’, an entry from the  
existing list. When the driver finds the lines below, it will update the index value to 20.  
Ensure the index value is less than 100.  
// Change index value of existing malfunction.  
Driver_Table  
TGM_Malfunction_Name,  
DISK NEARLY FULL,  
TGM_Malfunction_Index,  
20,  
Protocol  
TGM  
In the example below the gas name specified is ‘DISK IS FULL’ and it has been assigned  
an index value of 20. It will be added to the table.  
// Add a new malfunction  
Driver_Table  
TGM_Malfunction_Name,  
DISK IS FULL,  
TGM_Malfunction_Index,  
20,  
Protocol  
TGM  
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Page 20 of 28  
Appendix B.6. Adding / Modifying ‘Return to Normal’ Strings  
When an event is reported, the driver compares the description to those in “Return to  
Normal” column of the table provided in Appendix A.2. The table can be modified or  
extended.  
Add a section to the configuration file which is similar to the text found in the examples  
below.  
The index value allocated should match the malfunction index for the driver to clear the  
malfunction when the return to normal event is found.  
In the example below the gas name specified is ‘DISK NO LONGER FULL, an entry from  
the existing list. When the driver finds the lines below, it will update the index value to 20.  
Ensure the index value is less than 100.  
// Change index value of existing Return to Normal Event.  
Driver_Table  
TGM_Event_Normal_Name,  
DISK NO LONGER FULL,  
TGM_Event_Normal_Index,  
20,  
Protocol  
TGM  
In the example below the gas name specified is ‘DISK NOT FULL’ and it has been assigned  
an index value of 20. It will be added to the table.  
// Add a new Return to Normal Event  
Driver_Table  
TGM_Event_Normal_Name,  
DISK NOT FULL,  
TGM_Event_Normal_Index,  
20,  
Protocol  
TGM  
Appendix B.7. Using the TGM’s Config.dat file to customize malfunctions  
Copy the TGM’s config.dat file to the FieldServer as a file called atmitgm.ini. When the driver  
starts it looks for this file and updates the malfunction table based on the malfunction strings  
found inside the config file. The Ruinet utility is required  
Ruinet –i1.2.3.4 –u0 –lc:\…\config.dat –fatmitgm.ini  
Where  
1.2.3.4 is the IP address of the FieldServer  
c:\….\config.dat is the path of the file to be downloaded from your C driver.  
To stop the driver using the ini file remove it from the FieldServer by deleting it.  
Ruinet –i1.2.3.4 –zatmitgm.ini  
When the driver inspects the configuration file it searches for the string “malfunStat” and  
uses the table that follows to update the malfunction table. Note that the config file only  
contains malfunction strings and does not provide the ‘Return to Normal’ strings. Thus, if  
the config file contains a malfunction for which the driver does not have a matching return to  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com  
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Page 21 of 28  
normal string then you will need to add the matching ‘Return to Normal’ string. This process  
is described in Appendix B.6  
Appendix B.8. Synchronizing Malfunctions  
THE Incident Report (QIR) only reports events which occurred since the previous poll.  
The following procedure is recommended for synchronizing the FieldServer and the TGM  
1. Turn off the FieldServer. Clear all events on the TGM and then restart the FieldServer.  
Or  
2. With the FieldServer online, cause the TGM to send an RESET ALARMS message to  
the FieldServer.  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com  
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]  
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Page 22 of 28  
Appendix C. Driver Error Messages  
Message  
Notes and Corrective Action∼  
If this message is printed an internal diagnostic has been  
generated. Contact FieldServer tech support for help.  
TGM:#1 Err. Diagnostic #1.  
TGM:#2 Err. TGM_Function not Each Map Descriptor must have the parameter called  
specified.  
“TGM_Function” set. See section 4.4.22  
TGM:#3 FYI. Use an Array  
This message may be ignored. For more information read  
Appendix C.1  
called  
<%s>  
to  
expose  
diagnostics.  
4a: The text string “CUR=” could not be found in the QLA  
report.  
4b: The text string “GAS=” could not be found in the QLA  
report.  
4c: The text string “STATUS=” could not be found in the  
QLA report.  
TGM: #4c Err. Bad format in  
latest area report. Discarding  
data.  
If the error is printed rarely and data is being stored  
correctly then the error probably arises from a corrupted  
message. If the error occurs frequently then it is possible  
that the report format has changed and the driver firmware  
may require an update. To facilitate the evaluation of the  
problem, take a serial communications log, ensuring at least  
one of the errors occurs during the log, and then contact  
Tech Support.  
This message is printed to alert you to the fact that the  
TGM: #5 FYI. atmitgm.ini being malfunction list is being based on the contents of a TGM  
used for malfunctions  
config file. Refer to Appendix B.7. If you expect the driver to  
be using this list, ignore the message.  
TGM: #6 FYI. You could have  
used a TGM config file to define  
malfunctions. Working with hard  
coded list.  
This message is printed to alert you to the possibility that  
the TGM config file can be used with this driver. Refer to  
Appendix B.7.  
The Map Descriptor function has been set so that the driver  
will attempt to write to the TGM. Writing is not possible.  
Change the function to a read.2  
TGM: #7 Err. Driver cannot  
write. MD=%s  
This error is printed when the driver attempts to store data  
from the QLA report. Modify the length of the Data Array as  
discussed in section 4.1.2  
TGM: #8 Err. Array=%s too  
short. Act/Rqd=%d/%d  
TGM: #9 FYI. Duplicate Gas  
Name=<%s>.  
Value has been updated  
from=%d to=%d  
This message may be safely ignored. It is printed to alert  
you to the fact that the driver has updated the Gas Name  
table so that default values have been modified.  
2
Modify the configuration CSV file. Download the modified file to the FieldServer and Reset the  
FieldServer for the changes to take effect.  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com  
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]  
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Message  
Page 23 of 28  
Notes and Corrective Action∼  
TGM: #10 Err. No space. Reject An attempt has been made to extend the gas name table.  
Gas  
Value=%d  
Name=<%s>  
Index There is insufficient space to add more names. Remove this  
entry from the configuration CSV file3.  
This message may be ignored. It is printed to alert you to  
TGM: #11 FYI. User added Gas the fact that the driver has updated the Gas Name table by  
Name=<%s> Index Value=%d  
adding a new gas name and index value. Ensure that index  
values are unique.  
TGM: #12 FYI. Duplicate Gas This message may be ignored. It is printed to alert you to  
Units=<%s>. Value has been the fact that the driver has updated the Gas Engineering  
updated from=%d to=%d  
Unit table so that default values have been modified.  
TGM: #13 Err. No space. Reject An attempt has been made to extend the Fas Engineering  
Gas  
Value=%d  
Units=<%s>  
Index Units table. There is insufficient space to add more names.  
Remove this entry from the configuration CSV file.3  
This message may be ignored. It is printed to alert you to  
TGM: #14 FYI. User added Gas the fact that the driver has updated the Gas Engineering  
Units=<%s> Index Value=%d  
Units Table by adding a new gas name and index value.  
Ensure that index values are unique.  
TGM: #15 FYI. Duplicate This message may be ignored. It is printed to alert you to  
Malfunction=<%s>. Index Val the fact that the driver has updated the Malfunction Table so  
has been updated from=%d that default values have been modified. Ensure that the  
to=%d  
index value is less than 100.  
TGM: #16 Err. No space. Reject An attempt has been made to extend the Malfunction Table.  
Malfunction=<%s>  
Val=%d  
Index There is insufficient space to add more names. Remove this  
entry from the configuration CSV file.3  
This message may be ignored. It is printed to alert you to  
TGM: #17 FYI. User added  
the fact that the driver has updated the Malfunction Table by  
adding a new gas name and index value. Ensure that index  
values are unique and that the index value is less than 100.  
Malfunction=<%s>  
Val=%d  
Index  
TGM: #18 FYI. Duplicate This message may be ignored. It is printed to alert you to  
Normal Event=<%s>. the fact that the driver has updated the ‘Return to Normal’  
Index Val has been updated Table so that default values have been modified. Ensure  
from=%d to=%d that the index value is less than 100.  
TGM: #19 Err. No space. Reject An attempt has been made to extend the ‘Return to Normal’  
Normal  
Val=%d  
Event=<%s>  
Index Table. There is insufficient space to add more names.  
Remove this entry from the configuration CSV file.3  
This message may be ignored. It is printed to alert you to  
TGM: #20 FYI. User added the fact that the driver has updated the ‘Return to Normal’  
Normal  
Val=%d  
Event=<%s>  
Index Table by adding a new gas name and index value. Ensure  
that index values are unique and that the index value is less  
than 100.  
3
Modify the configuration CSV file. Download the modified file to the FieldServer and Reset the  
FieldServer for the changes to take effect.  
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Message  
Page 24 of 28  
Notes and Corrective Action∼  
The driver has found a malfunction but could not match it  
exactly to a malfunction in the Malfunction Table. The  
driver used a soundex function which looks for matches  
based on a ‘sounds like’ evaluation. As the match is not  
exact the driver provides the alert.  
To suppress this message in the future, note the message  
and add it to the Malfunction Table. Notes in Appendix B.5  
provide information on how to do this.  
TGM: #21 FYI. Malfunction.  
Don’t recognize <%s> But  
sounds like <%s>.  
The driver has found an event description that is being  
evaluated as a potential ‘Return to Normal’ message, but  
could not match it exactly to a ‘Return to Normal’ in the  
Malfunction Table. The driver used a soundex function  
which looks fro matches based on a ‘sounds like’  
evaluation. As the match is not exact the driver provides the  
alert.  
TGM: #22 FYI. Return to  
Normal.  
Don’t  
recognize  
<%s>But sounds like <%s>.  
To suppress this message in the future, note the message  
and add it to the ‘Return to Normal' Table. Notes in  
Appendix B.6 provide information on how to do this.  
TGM: #23 FYI. Duplicate  
Malfunction Number=<%d>.Text  
has been updated from=<%s>  
to=<%s>  
If these messages are produced then the driver processes  
the TGM config file. Read Appendix B.7 for more  
information.  
TGM: #24 Err. No space. Reject  
Malfunction=<%s>  
Val=%d  
Index  
TGM: #25 FYI. User added  
Malfunction=<%s>  
Val=%d  
Index  
The maximum malfunction index value is 99. Use the  
procedure in Appendix B.5 to modify the malfunction index  
value.4  
TGM: #26a Err. Malfunction=%s  
Index value=%d > 99.  
It is almost impossible for the driver to distinguish between  
‘Return to Normal’ events and those events not associated  
with a malfunction. When a non-malfunction event is found  
that doesn’t match the entries in the Return to Normal Table  
then this message is printed. It is printed 20 times and then  
suppressed.  
Ignore the messages if they clearly are not ‘Return to  
Normal’ events that correspond to Malfunctions. If, however,  
they are obviously associated with Malfunctions then add  
the description to the ‘Return to Normal’ Table. Notes in  
Appendix B.6 provide information on how to do this.  
This message is printed during Map Descriptor Validation.  
The function is not recognized. Correct the configuration  
using information found in section 4.4.24  
TGM: #27 Err. Event=%s is  
Unknown. Read manual.  
TGM:  
#28  
Err  
TGM_Function=%s invalid.  
4
Modify the configuration CSV file. Download the modified file to the FieldServer and Reset the  
FieldServer for the changes to take effect.  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com  
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]  
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Appendix C.1. Exposing Driver Operating Statistics  
In addition to the standard FieldServer operating statistics the driver exposes certain key  
stats in a Data Array if required. These stats can then be monitored by an upstream device.  
Add the following to your configuration file to activate these stats  
Expose Driver Operating Stats.  
Data_Arrays  
Data_Array_Name,  
ATMI-TGM-stats,  
Data_Format,  
UINT16,  
Data_Array_Length  
1000  
To calculate the actual offset multiply the port number by 100 and add the relative offset.  
Items marked * do not consider the port number in calculating the actual offset.  
Stat Relative  
Notes  
Offset  
1
2
Increments each time client sends a poll.  
Total of all the bytes sent to the TGM device  
Increments each time the client receives a complete response as  
indicated by the prompt character  
3
4
5
6
8
9
Increments each time the client receives a CR-lf pair in a response  
Count of all the bytes received by the client in response to TGM polling  
Count of all the messages that were sent to the parse function.  
Count of all the message that were parsed successfully  
Increments by 1 each time a poll times out  
*When set to 1 the driver dumps the contents of its gas name lookup table  
to the error log. Driver resets to zero after dump.  
10  
11  
12  
13  
*When set to 1 the driver dumps the contents of its gas engineering units  
lookup table to the error log. Driver resets to zero after dump.  
*When set to 1 the driver dumps the contents of its CALR gas lookup  
table to the error log. Driver resets to zero after dump.  
*When set to 1 the driver dumps the contents of its Malfunction Lookup  
table to the error log. Driver resets to zero after dump.  
*When set to 1 the driver dumps the contents of its 'Return to Normal'  
Lookup table to the error log. Driver resets to zero after dump.  
When set to 1 the driver does not use the soundex function.  
Increments by 1 each time a response line is too large to fit the  
connection in buffer  
14  
15  
16  
Increments by 1 each time a response is too large to fit the in the report  
buffer  
17  
To execute a table dump do the following  
Connect to the FieldServer using RUINET  
Browse to the Array called “ATMI-TGM-stats”  
Modify the value found at offset by typing M x 1 <Enter>  
Where x = 10 or 11 or 12 or 13 or 14  
A typical dump is shown below  
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FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com  
Tel: (408) 262-2299 Fax: (408) 262-9042 Toll_Free: 888-509-1970 email: [email protected]  
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Page 27 of 28  
Appendix D. Troubleshooting tips  
Appendix D.1. Connection Tips & Hints  
The ATMI-TGM’s serial ports are configured using the TGM’s configuration file – typically  
named config.dat  
Search for the following section. The port you wish to connect to must be set as a “Remote  
Console”.  
/* the channel utilization array specifies how a parallel (or serial) */  
/* channel is to be utilized. The possible entries are:  
*/  
/* 0 = this channel is forced out of service (not implemented, etc)*/  
/* 1 = this channel is a printer device  
/* 2 = this channel is a remote console  
*/  
*/  
/* There can be more than one printer device (max = all 3 channels), */  
/* but there can be only one remote console (COM1: or COM2 :).  
*/  
*/ /* PMC */  
/* Leave the Acoustic Sensor entry = 0 (controlled by bvCous)  
BYTE chanUtil[] =  
{
0,  
0,  
2,  
0,  
};  
// [0] = local (parallel) printer  
// [1] = COM1: serial channel  
// [2] = COM2: serial channel  
// [3] = Acoustic Sensor serial channel  
/* the baudRate table specifies the baud rate for the serial channels */  
/* can be one of: 110, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400 */  
/* an entry of 0 in chanUtil[] overrides the entry here  
*/  
*/ /* PMC, too slow and wont finish printing in time  
WORD baudRate[] =  
XX, // [0]  
{
9600, // [1] // COM1:  
9600, // [2] // COM2:  
9600, // [3] // cous chan  
};  
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com  
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