3 mcmdata, 4 mcmstatus – ProSoft Technology MVI56E-MCM/MCMXT User 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