© AGRGS 2016 | Data subject to change without notice
67385867493098462 | en, eu, V5, 07. Oct 2016, page 36
Pic 20. Example of connecting the first door electromagnetic lock, which locks by voltage supply
Pic 21. Example of connecting the first door electromagnetic latch, which unlocks by voltage supply
Legend:
Protective diode 1N4007, included in the controller package.
Lock power supply (you can use a single power supply for both lock and controller).
It is strictly forbidden to use locks without connected protective diodes!
EMF of self-induction that appears on a lock coil while opening the power supply
circuit can reach several hundred volts.
If there is no protective diode, an erosion of relay contacts occurs due to sparking
and it leads to a relay failure. And the use of a shared PSU for both the lock and the
controller will cause failures in the controller work due to high voltage interference
in power supply lines.
The first door
COM1: The negative side - locks by voltage supply.
NO1: The negative side - of the power of the lock that locks by voltage supply, for
the first door.
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