Rockwell Automation 20-COMM-I Interbus Adapter - Manual (Page 86)

7-2 Troubleshooting
Note: The UL indicator is not viewable when the drive cover is installed
or closed.
Note: Interbus compliance requires different LED functions than what is
normally displayed on the front of the drive (Port, Mod, Net A and Net B
Leds). LED labels are provided with the adapter for application to the
drive cover.
Cable Check (CC) Status Indicator
Status Cause Corrective Action
Off Master is reset or no cable
connection. • Connect the adapter to the network using an
Interbus cable.
• Verify master not in reset.
Solid Green Cable connection good. • No Action.
Remote Bus Disable (RD) Status Indicator
Status Cause Corrective Action
Off Outgoing remote bus is not
switched off. • No action.
Solid Red Outgoing remote bus is
switched off. • Read configuration or start data
transmission. Master may have to be reset
first.
Transmit/Receive (TR) Status Indicator
Status Cause Corrective Actions
Off No PCP connection is
carried out. • Verify that master is sending PCP
messages.
Solid Green A PCP connection is being
carried out. Flashes when
a new PCP frame has
been received. • No action.
20COMM-UM007A-EN-P.book Page 2 Tuesday, January 22, 2002 10:52 AM