ProSoft Technology MVI56E-MCM/MCMXT - Manual (Page 157)

MVI56E-MCM ♦ ControlLogix Platform Reference
Modbus Communication Module User Manual
ProSoft Technology, Inc. Page 157 of 199
June 18, 2014
6.7.3 MCMDATA
Contains Read Data (data read from the module to the processor) and Write
Data (data written from the processor to the module).
Name Data Type Description
ReadData INT[600] Data read from the module to the processor
WriteData INT[600] Data written from the processor to the module
6.7.4 MCMSTATUS
This status data is returned on each read block and can be used to detect proper
module operation.
Name Data Type Description
PassCnt INT Program cycle counter
Product INT[2] Product Name
Rev INT[2] Revision Level Number
OP INT[2] Operating Level Number
Run INT[2] Run Number
Prt1Errs MCMPortErrors
(page 157) Port 1 error statistics
Prt2Errs MCMPortErrors Port 2 error statistics
Blk MCMBlkStat (page
158) Block transfer statistics
Port1LastErr INT Last command index that received an error on
Port 1
Port1PreviousErr INT Previous Command index that received an
error on Port 1
Port2LastErr INT Last command index that received an error on
Port 2
Port2PreviousErr INT Previous Command index that received an
error on Port 2
MCMPortErrors
This object stores the port statistics for an MVI56E-MCM port.
Name Data Type Description
CmdReq INT Total number of command list requests sent
CmdResp INT Total number of command list responses
received
CmdErr INT Total number of command list errors
Requests INT Total number of requests for port
Responses INT Total number of responses for port
ErrSent INT Total number of errors sent
ErrRec INT Total number of errors received