KMS Simplekey 4 - Connections; Box Tamper; Auxiliary Relays 1 & 2

Key Management Systems Ltd 20 | P a g e
Connections
All connections to the Simplekey 4 controller are made by terminal blocks situated at
the left and bottom of the controller.
Note: Always remove power from the controller before removing a
terminal block.
These are the available connections (from top left, anti-clockwise):
Box Tamper
Box Tamp
Box tamper switch terminal 1.
0V
Box tamper switch terminal 2.
This is normally provided with a metal link loop.
Auxiliary relays 1 & 2
Programmable relays designed for auxiliary use, example being door open contact
outputs. 5 Amp capacity.
Aux Relay 2
Normally Closed, Common, Normally Open.
Aux Relay 1
Normally Closed, Common, Normally Open.
Note: Relay contact state true when controller is powered i.e. relay will switch state
when system power is removed.