Int" Led (7); Vcc" Led (8) - Fronius InterBus 2 MB Bedienungsanleitung

„EXT" jumper (5) The „EXT" (5) and „INT" (6) jumpers are for choosing between an internal and external
/"INT" jumper (6) power supply. The jumper is set in the factory to „external power supply".

„INT" LED (7)

The „INT" LED (7) comes on if the internal supply voltage is selected using „INT" jumper
(6).

„VCC" LED (8)

The „VCC" LED (8) comes on when the internal or external power supply is connected.
The „VCC" LED indicates that the + 24 V power supply for the modules on the LocalNet
side is OK.
Field bus status The field bus status LEDs are on the Interbus slave IBS2M.
LEDs
Communication status
UL
off
on
on
on
on
UL
CABLE CHECK
BUS ACTIVE
REMOTE BUS OFF
INCOMING OPTICAL FIBRE DIAGNOSIS
OUTGOING OPTICAL FIBRE DIAGNOSIS
PCP TRANSFER
Cable Check Bus Active
off off
off off
on off
on flashing
off on
Remote Bus off Meaning
off Not functioning, power failure
Remedy: Check supply voltage
off The slave is ready for use
off inconnection is established, still
nocommunication
Remedy: read in configuration
frame
off communication OK
no datatransmission
to or from master
Remedy: start data transmission
on out remote bus is switched off
Cable faultor master.
Remedy: Look for cable damage
or short circuit
8