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Status Indicators
Fieldbus Dependent I/O Module
INTERBUS
6.2 Output Status Indicators
The output status LED’s display the actual state of each output. They will not
be illuminated in the event of a short circuit at the output or a missing supply
voltage to the output drivers.
Output value of the higher ranking
controls
Fault
LED
'1'
None
ON
'0'
None
OFF
'1'
Short circuit
OFF
'0'
Short circuit
OFF
'1'
No supply
OFF
'0'
No supply
OFF
'1' = Output switched on
'0' = Output switched off
6.3 Fieldbus Interface Status Indicators
LED
Color
Status
Meaning
READY
Operational
Green
ON
OFF
The supply voltage is in the permissible toler-
ance range, the equipment is operative
Equipment not operative, insufficient supply
voltage
BA
Bus active
Green
ON
BLINKING
OFF
Bus is active, data exchange underway
The INTERBUS controller has an active con-
figuration, data exchange not yet started
Bus is not active, no data exchange
RC
Remote
Connected
Green
ON
OFF
INTERBUS input interface is connected, bus
reset of the master not active
Bus reset is active or interface incorrectly con-
nected
RD
Remote
Disconnected
Red
ON
OFF
Continuing remote bus (INTERBUS output in-
terface) is switched off
Continuing remote bus is not being used or
switched on