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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GE X3.28 manual Configuring the Main Application Table A197MAIN, Main Application Configuration Table Parameters

X3.28 specifications

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