Indicators
5
A6V11571319_en--_b 23 | 34
5.4 Indicators
The LED indicator on the printed circuit board shows the status of the Loop isolator
(100V). An external LED has the same function.
Behaviour Timing Pause Meaning information
1x flash 10 Hz Pilot tone-interval Normal Pilot tone was detected
SIL-switch 6 [2] = ON
Constant blinking 1 Hz - Alarm
Loop in Alarm mode, (Alarm
message) active
SIL-switch 7 [3] = ON
1x flash 10 Hz 3 s Start-up inspection
LED starts to flash, when the pilot
tone is active for longer than 90 s
and turns into normal mode when
the pilot tone interval starts
2x blinking 1.6 Hz 5 s Fault Short circuit detected
3x blinking 1.6 Hz 5 s Fault
No loudspeaker connected to the
loop isolator
4x blinking 1.6 Hz 5 s Fault
Overload on the loop isolator
connection or OUT and SP
connections mixed up
5x blinking 1.6 Hz 5 s Fault Product fault
1 s fast blinking 10 Hz 5 s Fault No pilot tone detected
1 s fast blinking and
loop isolator relays
switches 2x
20 Hz 6 s Maintenance
Loop isolator is in maintenance
mode ('PACE-Design':
Supervision, General Flags, 'EN
Maintenance' active) and a fault
was detected since the last power-
up or loop isolator reset
To Next Page
Loading...
Need help?
General
