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Rs-422 – ProSoft Technology MVI71-MCM User Manual

Page 83

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Reference MVI71-MCM

♦ PLC Platform

Modbus Communication Module

ProSoft Technology, Inc.

Page 83 of 111

December 28, 2007

RS-232: Null Modem Connection (No Hardware Handshaking)

This type of connection can be used to connect the module to a computer or field
device communication port.

Note:

If the port is configured with the "Use CTS Line" set to 'Y', then a jumper is

required between the RTS and the CTS line on the module connection.

5.3.3 RS-422