Mvi56e-mcm user defined data types – ProSoft Technology MVI56E-MCM/MCMXT User Manual
Page 154

Reference
MVI56E-MCM ♦ ControlLogix Platform
User Manual
Modbus Communication Module
Page 154 of 199
ProSoft Technology, Inc.
June 18, 2014
Offset
Content
Description
231
Port 1 Current Error
For a Slave Port, this field contains the value of the most
recently returned error code. For a Master Port, this field
contains the index number of the most recently executed
command that failed.
232
Port 1 Last Error
For a Slave Port, this field contains the value of the previous
most recently returned error code. For a Master Port, this
field contains the index number of the previous most
recently executed command that failed.
233
Port 2 Current Error
For a Slave Port, this field contains the value of the most
recently returned error code. For a Master Port, this field
contains the index number of the most recently executed
command that failed.
234
Port 2 Last Error
For a Slave Port, this field contains the value of the previous
most recently returned error code. For a Master Port, this
field contains the index number of the previous most
recently executed command that failed.
6.7
MVI56E-MCM User Defined Data Types
6.7.1 MCMModuleDef
This object contains the data types that apply to the operation of the module.
Name
Data Type
Description
CONFIG
MCMCONFIG (page
154)
Module and port configuration
DATA
MCMDATA (page
157)
Modbus data transferred between module and
processor
STATUS
MCMSTATUS (page
157)
Status information in each read block
CONTROL
MCMCONTROL
(page 158)
Optional requests from the processor to the
module
UTIL
Util (page 158)
Variables for internal ladder usage - should not
be accessed by user application
6.7.2 MCMCONFIG
This object contains the data types that apply to the configuration of the module.
Refer to MVI56E-MCM Configuration Data (page 144) for a complete description
of each element in this object.
Name
Data Type
Description
ModDef
MCMModule (page
155)
Module Definition
Port1
MCMPort (page
155)
Port 1 configuration settings
Port2
MCMPort
Port 2 configuration settings
Port1MasterCmd
MCMCmd (page
156)
Master commands for Port 1 (ignore if port is
configured for slave mode)