47
7.2 Fail-safe return
Description Technical data Code
Fail-safe return 24 V= 199 190 085
The fail-safe return unit is mounted on the base board and
is connected electrically via a at cable.
The fail-safe return unit is connected to the battery via
a two-core wire. If the supply voltage is interrupted, the
electronics will switch to the storage battery automatically
after 5 sec. With the DIP switches (5), the functions “move
to the CLOSED position” or “move to the OPEN position” can
be selected.
Both switches ON: Actuator moves to OPEN
Both switches OFF: Actuator moves to CLOSED
The storage battery is charged continuously. Full charging
takes approximately 15 hours.
Wiring diagram
DIP switch
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