ProSoft MVI69E-MBS - Slave Polling Disable Blocks; Slave Polling Enable Blocks (3001, 3101)

Reference MVI69E-MBS ♦ CompactLogix Platform
User Manual Modbus Serial Enhanced Communication Module
Page 126 of 154 ProSoft Technology, Inc.
June 28, 2017
7.4.2 Slave Polling Disable Blocks
Block 3000: Port 1 Slave Polling Disable
Block 3100: Port 2 Slave Polling Disable
These blocks allow the processor to disable polling for specific slaves.
Block 3000 or 3100: Request from Processor to Module
Offset
Description
0
Write Block ID: 3000 for Port 1 and 3100 for Port 2 slave polling disable request.
1
Number of slaves listed in the block (1 to 60).
2-61
Slave indexes to disable in the command list for the selected port. The number of
slaves to process is set in Word 1 of the block.
Block 3000 or 3100: Response from Module to Processor
Offset
Description
0
Read Block ID: 3000 or 3100 requested by the processor.
1
Write Block ID: To be used by the processor in its next Write block.
2
Number of slaves processed in the last request. This number should match the value
passed in Word 1of the request block.
3 to (n-1)
Spare
7.4.3 Slave Polling Enable Blocks (3001, 3101)
Block 3001: Port 1 Slave Polling Enable
Block 3101: Port 2 Slave Polling Enable
These blocks allow the processor to enable polling for specific slaves.
Block 3001 or 3101: Request from Processor to Module
Offset
Description
0
Write Block ID: 3001 for Port 1 or 3101 for Port 2 slave polling enable request.
1
Number of slaves listed in the block (1 to 60).
2 to 61
Slave indexes to enable in the command list for the selected port. The number of
slaves to process is set in Word 1 of the block.
Block 3001 or 3101: Response from Module to Processor
Offset
Description
0
Read Block ID: 3000 to 3101 or 3100 to 3101 requested by the processor.
1
Write Block ID: To be used by the processor in its next Write block.
2
Number of slaves processed in the last request. This number should match the value
passed in Word 1of the request block.
3 to (n-1)
Spare