ProSoft Technology MVI69L-MBTCP User Manual
Page 140

Reference
MVI69L-MBTCP ♦ CompactLogix Platform
User Manual
Communication Module
Page 140 of 152
ProSoft Technology, Inc.
January 6, 2014
Block 9956: Response from Processor to Module
Offset
Description
0
Block ID 9956
1 to 239
Spare
7.4.13 Pass-through Formatted Block for Functions 6 and 16 with
Float Data Block
Block 9957: Pass-through Formatted Block for Functions 6 and 16 with Float
Data Block
Block 9957: Request from Module to Processor
Offset
Description
0
Block ID 9957
1
Block ID 9957
2
Number of word registers in Modbus data set
3
Starting address for Modbus data set
4 to 53
Modbus Data
The ladder logic will be responsible for parsing and copying the received
message and performing the proper control operation as expected by the Client
device. The processor must then respond to the Pass-through block with a write
block with the following format.
Block 9957: Response from Processor to Module
Offset
Description
0
Block ID 9957
1 to 239
Spare
This will inform the module that the command has been processed and can be
cleared from the pass-through queue.