ES 50 – ES 80
29
10 External connections
DANGER!
Mortal danger by electric voltage!
Touching live parts can be lethal.
Switch off power supply and secure against reactivation before performing any work. Test for
absence of voltage!
Test for absence of voltage!
For the power supply of the external equipment (e.g. photo-cells, induction-loops....) the controller
provides stabilised 24Vdc and 12Vdc. Max. 500mA can be drawn from the 12V source and the 24V
source, but together max. 700mA. The supply of the photo-cell transmitter during photo-cell test comes
from the 24V source and has to be considered.
Important instructions when using loops for safety and closing
When using a loop-detector for safety remove the red jumper between contacts 6 and 10 on the
socket B3. The socket B3 is always for the loop under the barrier boom, and is prewired for safety and
for closing when leaving the loop. When B3 is equipped with a 2-channel-detector, the second channel
may be used for an opening loop or a loop detecting that a vehicle is present. The socket B2 is
prewired for an opening loop in connection with a 1-channel-detector. Please see chapter “Examples
for use of loop detectors”.
When all connections are completed and the barrier is closed, only the following LEDs should be lit: the
yellow LED Vp for main power, the green LED SEA and the green LED BTS2. If is not the case then
see chapter “Fault finding”.
WARNING!
The reversal by obstruction can only work when the rod always moves to the rear of the
housing, never to the door.
Please check the direction of rotation of the transmission lever of the gearbox.
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