Allen-Bradley micrologix 1500, User Manual, Page: 54 / 149

Publication 1764-UM001A-US-P
4-2 Communication Connections
Communications Toggle
Push Button
The Communications Toggle Push Button is located on the processor. You must
remove processor door or DAT to access the Communications Toggle Push Button.
Use the Communications Toggle Push Button to change from the user-defined
communication configuration to the default communications configuration and
back. The Default Communications (DCOMM) LED operates to show when the
controller is in the default communications mode (settings shown on page 4-1).
NOTE
The Communication Toggle Push Button must be pressed and
held for two seconds to activate.
NOTE
The Communication Toggle Push Button only affects the
communication configuration of Channel 0.
DC INPUTS
COMMS
24V SINK/SOURCE
DC/RELAY OUT
24V SOURCE