ProSoft Technology MVI56E-MCM/MCMXT - 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)