Chapter 4: Configuring the SRU Table (A197_SRU)

The SRU table contains the relevant configuration information for SRU polling and control. Each record in the SRU table defines the parameters for a single SRU.

Table 5 SRU Configuration Table Parameters

Name

Range

Description

 

SRU Address

0 .. 255

This parameter defines the communication address for this SRU. Also referred

 

 

 

 

to as Destination Station Number (DST).

 

 

 

 

 

 

 

Station Address

0 .. 255

This parameter defines the communication address for the DCA. Also referred

 

 

 

 

to as Source Station Number (SRC).

 

 

 

 

 

 

 

Re-Init Interval

-1 (disabled)

This parameter defines the frequency (in milliseconds) at which

 

 

 

0 .. 1000000000

communication with the SRU will be attempted when it is off-line.

 

 

 

A typical Re-Init interval is 60000 milliseconds.

 

 

 

 

 

 

 

 

 

 

 

Time Sync

-1 (disabled)

This parameter defines the frequency (in milliseconds) at which the Time

 

 

Interval

0 .. 1000000000

Synchronization sequence will be executed.

 

 

 

A typical Time Sync interval is 3600000 milliseconds (1 hour).

 

 

 

 

 

 

 

 

 

 

 

Data Read

-1 (disabled)

This parameter defines the frequency (in milliseconds) at which Data Read

 

 

Interval

0 .. 1000000000

sequence will be executed. This sequence is used to retrieve all the digital

 

 

 

input and analog input data from the SRU as configured in the A197_PAR

 

 

 

 

 

 

 

 

Partition Table.

 

 

 

 

A typical scan interval is 60000 milliseconds.

 

 

 

 

 

 

 

Polling Interval

-1 (disabled)

This parameter defines the frequency (in milliseconds) at which the SRU will

 

 

 

0 .. 1000000000

be polled. If 0 is used, data will be retrieved as often as possible. If -1 is used,

 

 

 

the scan is disabled. If the COM record for this SRU record is set to Full-

 

 

 

 

 

 

 

 

Duplex mode, this sequence is disabled.

 

 

 

 

A typical scan interval is 60000 milliseconds.

 

 

 

 

 

 

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GE X3.28 manual Configuring the SRU Table A197SRU, SRU Configuration Table Parameters

X3.28 specifications

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