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22 •
Status Indicators
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
'1'
'0'
'1'
'0'
'1'
'0'
'1' = Output switched on
'0' = Output switched off
6.3 Fieldbus Interface Status Indicators
LED
READY
Operational
BA
Bus active
RC
Remote
Connected
RD
Remote
Disconnected
Color
Status
Green
ON
OFF
Green
ON
BLINKING
OFF
Green
ON
OFF
Red
ON
OFF
Fault
None
None
Short circuit
Short circuit
No supply
No supply
Meaning
The supply voltage is in the permissible toler-
ance range, the equipment is operative
Equipment not operative, insufficient supply
voltage
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
INTERBUS input interface is connected, bus
reset of the master not active
Bus reset is active or interface incorrectly con-
nected
Continuing remote bus (INTERBUS output in-
terface) is switched off
Continuing remote bus is not being used or
switched on
Fieldbus Dependent I/O Module
LED
ON
OFF
OFF
OFF
OFF
OFF
INTERBUS
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