Chapter 6: Configuring System

Parameters Table (A197_SYS)

The A197_SYS table allows the user to configure System Parameters to be sent to the SRU at startup for its configuration. This table contains one record for each system parameter the user wishes to send to the SRU at system startup or when communication is re-established with the SRU after being off-line.

Name

Range

Description

 

 

 

Address

0 .. 65535

This parameter specifies the word address of the System Parameter to be sent to the

 

 

SRU.

 

 

 

Value

0 .. 65535

This parameter specifies value of the System Parameter to be sent to the SRU.

 

 

 

 

 

 

Table 9 System Parameters Table Parameters

Table 10 shows the configurable System Parameters that are specific for the Coupler for Allen- Bradley Data Highway. The System Parameters Table (A197_SYS) can be used to direct the ANSI X3.28 DCA to send any of these parameters to the SRU at system startup and every time communication is re-initiated after being offline. To instruct the coupler to store the parameters to EEPROM, the last parameter in the selected range should have an Address of 3002 and a Value of 1. This will force the DCA to send a "Store to EEPROM command" after all the parameters have been sent.

NOTE: The Duplex-Mode configured in the Communication Port Table

(A197_COM) and the AI with time parameter in the SRU Table

(A197_SRU) must match the configuration of the SRU. You can use this table to configure the ANSI X3.28 DCA to send the correct parameters to the SRU at startup. Also, ensure that the DI Event parameter is disabled in the coupler since the ANSI X3.28 DCA does not support DI events, it only supports DI Change.

Restricted

A197-0CG-1.00-2

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GE X3.28 manual Configuring System Parameters Table A197SYS, System Parameters Table Parameters

X3.28 specifications

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