
Reference MVI69L-MBS ♦ CompactLogix Platform
User Manual Communication Module
Page 126 of 154 ProSoft Technology, Inc.
January 6, 2014
7.4.4 Slave Polling Status Blocks
Blocks 3002: Port 1 Slave Status
Two arrays are allocated in the module’s primary object to hold the polling status
of each slave on the Master port. This status data can be used to determine
which slaves are currently active on the port, in communication error, or have
their polling suspended and disabled.
Block 3002 to 3006: Request from Processor to Module
Write Block ID: 3002 to 3006 for Port 1 slave polling status request.
Block 3002 to 3006: Response from Module to Processor
Read Block ID: 3002 to 3006 requested by the processor.
Write Block ID: To be used by the processor in its next Write block.
Slave ID offset: Index of first slave in block
Number of slaves in this block
Slave polling status data
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