ProSoft Technology MVI69E-MBTCP - Manual (Page 131)

MVI69E-MBTCP ♦ CompactLogix Platform Reference
Modbus TCP/IP Enhanced Communication Module User Manual
ProSoft Technology, Inc. Page 131 of 150
May 20, 2015
7.4.4 Event Sequence Command Error Status Blocks (4100 to 4119)
This block displays the result of each command sent to the client. The request
includes the client identification and the command sequence number. The
response is the event count and error code for each event. A value of ‘0’ in the
error code means there was no error detected.
Block 4100 to 4119: Request from Processor to Module
Offset Description
0 Block ID 4100 to 4119 indicates this block triggers the event sequence command
error status request of a specific MVI69E-MBTCP client. The last two digits indicate
which Client client to use.
Example: 4115 uses client 15
1 to (n-1) Spare
Where n = 60, 120, or 240 depending on the Block Transfer Size parameter.
Block 4100 to 4119: Response from Module to Processor
Offset Description
0 Block ID 4100 to 4119 requested by the processor
1 Write Block ID
2 Number of Event Sequence Messages in block (0 to 15)
3 Sequence Number
4 Return Error Code
5 Sequence Number
6 Return Error Code
7 Sequence Number
8 Return Error Code
… …
… …
31 Sequence Number
32 Return Error Code
33 to (n-1) Spare