Modbus Application Port Connection; Wiring - ProSoft Technology CompactLogix MVI69E-MBS User Manual

MVI69E-MBS ♦ CompactLogix™ Platform
Modbus Serial Enhanced Communication Module
Ethernet Performance
Ethernet performance in the MVI69E-MBS module can be affected in the following way:

Accessing the web interface (refreshing the page, downloading files, and so on) may
affect performance

Also, high Ethernet traffic may impact MBS performance, so consider one of these
options:
Use managed switches to reduce traffic coming to module port
o
Use CIPconnect for these applications and disconnect the module Ethernet port
o
from the network
8.6

Modbus Application Port Connection

The module supports RS-232, RS-422, and RS-485 wiring to remote devices.
8.6.1 RS-232 Wiring
When the RS-232 interface is selected, the use of hardware handshaking (control and
monitoring of modem signal lines) is user definable. If no hardware handshaking is used,
here are the cable pin-outs to connect to the port.
ProSoft Technology, Inc.
Reference
User Manual
Page 154 of 159