Rockwell Automation 1762-Lxxxx MicroLogix 1200 Programmable Controllers - Manual (Page 69)

Publication 1762-UM001G-EN-P - March 2011
Communication Connections 4-3
Use the Communications
Toggle Push Button The Communications toggle push button is located on the processor under
the processor door (if installed), as shown below.
Use the Communications toggle push button to change from the user-defined
communication configuration to the default communications mode and back
on Channel 0. The parameters of the Programmer/HMI Port are fixed at the
default communications configuration. The Default Communications
(DCOMM) LED operates to show when the controller is in the default
communications mode (settings shown on page 4-2).
TIP
The Communications toggle push button must be
pressed and held for one second to activate.
The Communications toggle push button only affects
the communication configuration of Channel 0.
COM
COM
0
1 0
1
Communications toggle
push button