30 Function Description
787-2861 Electronic Circuit Breaker
Manual
Version 1.3.1
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4.5
Control Input S1
A signal (18 V … 30 V) between the control input and GND allows the state of the
electronic circuit breaker to be changed. Which status is evoked depends on the
signal duration and previous status of the electronic circuit breaker.
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Table 16: Control Input S1
Signal
Duration
Status
Previous Status
Signal 1:
Reset channel.
300 ms … 1500 ms
Status 1, 2 or 3
(depending on load
current):
Channel switched ON.
Status 6 or 7:
Channel tripped.
Signal 2:
Switch channel ON.
2000 ms … 4000 ms
Status 1, 2 or 3
(depending on load
current):
Channel switched ON.
Status 4:
Channel switched OFF.
Signal 3:
Switch channel OFF.
5000 ms … 7000 ms
Status 4:
Channel switched OFF.
Status 1, 2 or 3
(depending on load
current):
Channel switched ON.
More information on individual signals and status is available in the diagram
“General Operating Statuses”.
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