NORD Drivesystems BU0070 - Manual (Page 21)

5 Settings and displays
BU 0070 GB Subject to technical alterations 21
5.3 LED display
The status of the InterBus technology unit is shown by 5(6) LED's :
• UL (green):
Supply voltage applied
• RC (green):
RemoteCheck
• BA (green):
Bus Active
• RD (yellow):
Remotebus Disabled
• TR
(green): Transmit
2-colour LED
• ST
(green): Module status
• ST (red):
Module error
UL (green): InterBus power supply
Display Meaning
Off No power supply
On InterBus power supply OK
RC (green): InterBus RemoteCheck
Display Meaning
Off Remote bus to previous subscriber interrupted
- check corresponding cable connection
On Remote bus to previous InterBus device OK
BA (green): Bus Active
Display Meaning
Off InterBus in stop state
On InterBus data is being exchanged
RD (yellow): RemoteBus Disabled
Display Meaning
Off Remote bus to next InterBus device OK
On Remote bus to next InterBus device disabled
- check corresponding cable connection
TR (green): Transmit
Display Meaning
Off No communication at the moment
On Communication telegrams are being transmitted to the access module