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Doepke
► Dupline- (Terminal 8)
Here the Dupline signal conductor (Dupline-) should be connected
!
Connections between the Dupline signal and the 24 V supply, or connections to earth potential, will
cause malfunctions and are not permissible. Check that the polarity of the Dupline signal is correct.
4.
Operating Instructions
4.1. Rotary Switch Settings
Three operating modes can be selected with the rotary switch on the enclosure cover:
► Operating mode ON
The DFA is switched on and carries out the control commands which are activated either via the signal
inputs or the Dupline bus. The status LED is permanently illuminated.
► Operating mode AUTO
The DFA is switched on and carries out the control commands which are activated either via the signal
inputs or the Dupline bus. The status LED is permanently illuminated.
15 seconds after a trip of the switched residual current or miniature circuit-breaker one attempt at
reconnection will automatically be made.
During these 15 seconds flash code 3 will be signalled by the status LED (flashing in quick succession,
see "Flash Codes", p. 19) to alert to a subsequent reconnection.
If the residual current or miniature circuit-breaker has not been switched on within 2 seconds of the
reconnection attempt, i. e. the fault in the RCCB's circuit is still present, no further attempts at recon-
nection will be made. This status will only be reset if – in the interim – a connection/disconnection or
tripping has been requested, or if the DFA has been briefly switched off (RESET). But if a trip does not
occur until 2 seconds after the automatic reconnection process, another reconnection attempt will be
made after 15 seconds.
► Operating mode OFF
The DFA is switched off and thus does not carry out any control commands. The status LED is extin-
guished. However, switching position indication via the integrated relay contacts is still possible!
!
This operating mode should be selected
»
when maintenance work is to be carried out at the distribution in order to prevent the sys-
tem being switched on from a remote location. The fitted RCCB can additionally be equipped
with a lockable restart locking facility.
»
in order to reset flash code 2 after an unsuccessful remote trip (RESET).
»
if the block caused by a failed automatic reconnection is to be
18
cancelled.
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