Modes of operation – Rockwell Automation 20-COMM-I Interbus Adapter User Manual
Page 14

1-6
Getting Started
The adapter uses five status indicators to report its operating status.
They can be viewed on the adapter or through the drive cover.
(See
Figure 1.2 Status Indicators
Modes of Operation
# Status
Indicator
Normal
Status
(1)
(1)
If all status indicators are off, the adapter is not receiving power. Refer to
, for instructions on installing the adapter.
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 Led’s). LED labels are provided with the adapter for application to the
drive cover.
If any other conditions occur, refer to
,
Description
➊ CC Cable Check
Green
Cable connections good.
➋ RD Remote Bus Disable Off
Outgoing remote bus is not switched off.
➌ TR Transmit/Receive
Off
No PCP connections are carried out
Green
PCP connection are being carried out.
➍ BA Bus Active
Green
Bus is active.
➎ UL Bus Voltage
Green
Bus Voltage is OK.
PWR
STS
CC
RD
TR
BA
➊
➌
➋
➊
➋
➌
➍
➍
➎
20COMM-UM007A-EN-P.book Page 6 Tuesday, January 22, 2002 10:52 AM