SDC-620 Multiple door controller
8
Copyright© 2016
– Saflec Systems (Pty) Ltd.
http://www.saflecsystems.co.za
Output mode 1: Externally powered outputs (Default)
To set the output to externally powered mode, place a single jumper in the center of the jumper
pin strip as displayed in the diagram below.
Figure 11
Jumper setting for J11 to J15
– externally powered outputs – relay switched
When in this mode, only the relay is switched when the output is activated. This allows for devices
like AC switched locks to be supplied or external power to be provided for an output. Care must be
taken not to exceed the contact ratings listed in the sec
tion entitled ‘Contact ratings for the output
relays
’.
Figure 12
Example wiring for an externally powered magnetic lock
– Normally closed
Output mode 2: Internally powered outputs
To set the output to internally powered mode, place two jumpers on the left and right side of the
jumper pin strip as displayed in the diagram below.
Figure 13
Jumper setting for J11 to J15
– internally powered outputs
When in this mode, 12Vdc power will be switched through the board from the power supply
connected to the board. It will have battery backup (If the standard power supply is used) so that
minor power interruptions will not disrupt the output power.
Make sure that sufficient power is available from the power supply for all internally switched
outputs, for the controller and for any readers powered from the power supply.
Figure 14
Example wiring for an internally powered magnetic lock
– normally closed.
