ProSoft Technology MVI56E-MCMR User Manual

Page 119

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MVI56E-MCMR ♦ ControlLogix Platform

Ladder Logic

Modbus Communication Module with Reduced Data Block

User Manual

ProSoft Technology, Inc.

Page 119 of 225

May 13, 2014

Name

Data Type

Description

WriteData

INT[600]

Data to write to module

Status Object (MCMRSTATUS)

This object stores the status data of the module. The MCMRSTATUS

object

shown below is updated each time a read block is received by the processor.
Use this data to monitor the state of the module at a "real-time rate".

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

Port1Stats

MCMRPortStats

Port error statistics for Port 1

Port2Stats

MCMRPortStats

Port error statistics for Port 2

Block

MCMRBlockStats

Block transfer statistics

Port1CurrentErr

INT

Current error/index for Port 1

Port1LastErr

INT

Last error/index for Port 1

Port2CurrentErr

INT

Current error/index for Port 2

Port2LastErr

INT

Last error/index for Port 2

StatusMsgData

INT[46]

This status data is returned when requested
by a Status Message (MSG) and can be
used to detect proper module operation.

StatusTrigger

BOOL

Triggers Status reading.

Within the MCMRSTATUS

objects are objects containing the status information

for each application port. Refer to MVI56E-MCMR Status Data Definition (page
177) for a complete listing of the data stored in this object. This data is acquired
from the module using Message instructions (MSGs).

MCMRPortStats
The MCMRP

ORT

S

TATS

object holds the status data related to a single Modbus

port. The following table describes the structure of this object.

Name

Data Type

Description

PortTrigger

BOOL

Triggers port status reading

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

SlaveStats

SINT[250]

Port Slave status values

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