Start Here MVI56E-MCM ♦ ControlLogix Platform
User Manual Modbus Communication Module
Page 32 of 209 ProSoft Technology, Inc.
1.8.1 Configuring the RSLinx Driver for the PC COM Port
When trying to connect serially, if RSLogix is unable to establish communication
with the processor, follow these steps.
1 Open RSLinx.
2 Open the COMMUNICATIONS menu, and click CONFIGURE DRIVERS.
This action opens the Configure Drivers dialog box.
Note: If the list of configured drivers is blank, you must first choose and configure a driver from the
Available Driver Types list. The recommended driver type to choose for serial communication with
the processor is RS-232 DF1 Devices.