GE X3.28 manual Configuring the Main Application Table A197MAIN, Name Range Description

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Chapter 2: Configuring the Main Application Table (A197MAIN)

The Main Application configuration table is used to define global settings for the entire ANSI X3.28 DCA. These parameters pertain to all channels and SRUs connected within the system. The Main Application configuration must contain a single record.

Name

Range

Description

 

 

 

DCA Index

Index into the System

The indexed System Point Database table record must contain the WESDAC

 

Point Database

database point counts for this application. The System Point Database table

 

 

configuration is described in Chapter 8:

 

 

The DCA Index is automatically configured and so may not be visible.

 

 

 

Extra Message

0 .. 65535

This parameter defines an additional number of message buffers to allocate

Buffers

 

for each configured port in this application in addition to the minimum

 

 

number allocated automatically by the DCA. Increasing this number

 

 

increases the amount of memory required to run the DCA. The total number

 

 

of message buffers allocated by the ANSI X3.28 DCA will be:

 

 

(2 + Extra Message Buffers) per port

 

 

A typical number of Extra Message Buffers is 25.

 

 

 

 

 

 

Table 2 Main Application Configuration Table Parameters

Restricted

A197-0CG-1.00-2

Full

3

 

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Contents Allen-Bradley Ansi X3.28 DCA Configuration GuideTrademark Notices Table of Contents Appendix a Messages Logged by the Ansi X3.28 DCA Configuring WIN for the Ansi X3.28 DCASystem Overview List of FiguresList of Tables About this Guide About this GuideWho should use this Guide Additional Documentation Product Perspective OverviewSystem Overview Ansi X3.28 DCA Configuration Tables Configuring TablesAnsi X3.28 DCA Configuration Tables Table Name DescriptionConfiguration Sequence Main Application Configuration Table Parameters Configuring the Main Application Table A197MAINName Range Description Protocol X DCA Communication Port Configuration Table Parameters Configuring Communication Port Table A197COMProtocol X DCA Baud Rate One Character Time ms Character TimesProtocol X DCA SRU Configuration Table Parameters Configuring the SRU Table A197SRUProtocol X DCA Partition Definition Table Parameters Configuring the Partition Definition Table A197PARWord Address System Parameter Unit Type Start Address word address Num. WordsSystem Parameters Table Parameters Configuring System Parameters Table A197SYSCoupler for Allen-Bradley Data Highway System Parameters Address System Parameter Unit Value DefaultConfiguring the Virtual Connection Table A197VC Field Range Description Virtual Connection Configuration Table ParametersWesdac Point Allocation Configuring WIN for the Ansi X3.28 DCAProtocol X DCA A197 Appendix a Messages Logged by the Ansi X3.28 DCAF004 COM rec x, Interchar Timeout must be less than Rx Time Fatal Error MessagesF001 Unable to locate table tablename F002 A197SRU rec x, duplicate SRU address yF006 A197COM rec x, Only one SRU allowed in Full-Duplex F005 A197PAR rec x and y, Partitions overlapF100 Future expansion points not Nullptr F101 Unable to find table tablenameF103 Unable to create an exchange, name, status=y F102 Unable to open a channel to WINF104 Unable to spawn process, processname F105 Not enough memoryF108 Not enoughx points, y required F107 Unable to get pointer table nameWesdac Point Types F109 User data memory overflowF201 Unable to create exchange, exchage, status=x F200 Unable to get pointer to COM config record =F202 Unable to spawn process F203 L062COMEXTENSIONS should be initializedE101 Restart failed for processname Non-Fatal Error MessagesE102 Not enough memory E110 Unable to open comport, status =E111 comport unable to set parameters, status = E112 comport unable to set timers, status =E201 Com initialization failed, status = comport E202 Not enough memory E205 Encountered error = x while closing comportE204 a child process has died, suspending I101 Unable to find table A197MAIN, deleting Information MessagesControl Request Return Codes

X3.28 specifications

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