Sliding gate opener SLG5400XAC/SLG5550XAC (SL07X0)user manual
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5.4
Controller wiring instructions
5.4.1
Flash lamp interface: for connecting the flash lamp (220VAC), it only work during operation.
5.4.2
The Photocell switch interface: for connecting the infrared
protection switch (infrared switch NC contact) and 24VAC can be used as power supply. If
you do not use the infrared protection interface, then you need to make the terminal
shorted connect (Shorted in factory).
5.4.3
External control (COMMAND) interface: control switch connects normally open switch.