ProSoft Technology MVI56E-MNETC User Manual page 125

MVI56E-MNETC/MNETCXT ♦ ControlLogix Platform
Modbus TCP/IP Client Enhanced Communication Module - Client/Server
Pass-Through Block 9959 from Module to Processor
Word Offset
0
1
2
3
4 to 53
54 to 103
104 to 248
249
Pass-Through Block 9970 from Module to Processor (Function 99 request)
Word Offset
0
1
2
3
4 to 248
249
The ladder logic copies and parses the received message, and controls the
processor as expected by the Client device. The processor responds to the
formatted pass-through blocks with a write block.
Response Blocks 9956, 9957, 9958, 9959, 9960, 9961, or 9970 from Processor to Module
Word Offset
0
1 to 249
ProSoft Technology, Inc.
September 20, 2018
Description
0
9959
Number of word registers in Modbus data set
Starting word address for Modbus data set
Modbus data set
Bit mask for the data set. Each bit to be considered with the
data set will have a value of 1 in the mask. Bits to ignore in
the data set will have a value of 0 in the mask.
Spare data area
9959
Description
0
Read block ID: 9970
1
0
Spare data area
Write block ID: 9970
Description
9956, 9957, 9958, 9959, 9960, 9961, or 9970
Spare data area
Reference
User Manual
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