MVI56E-MCM ♦ ControlLogix Platform Configuration as a Modbus Master
Modbus Communication Module User Manual
ProSoft Technology, Inc. Page 37 of 209
The sample configuration values configure the module database to store
WRITEDATA[0 to 599] in registers 0 to 599, and READDATA[0 TO 599] in registers
1000 to 1599, as shown in the following illustration.
2.2.1 Port Configuration
The MCM.CONFIG.PORTX controller tags are used when the module is
configured as a Modbus Master device. Port 1 and Port 2 each have their own
set of parameters to configure.
Note: Any changes made within the MCM.CONFIG array must be downloaded to the MVI56E-
MCM module by setting the WARMBOOT or COLDBOOT bit, or cycling power to the module.
Any parameters not mentioned in this section are not used when the module is
configured as a Modbus Master.
Verify that you are in MONITOR TAGS mode. Then use the scroll bar at the bottom
of the window to view a description of each parameter. The following table uses
that information.
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