Keyscan Inc. A Member of the Kaba Group – CA150 Rev. B Installation Guide (07.15)
Diodes must be installed and terminated at the door relay terminal on the CA150 for DC door strikes if the
CA150 supplies power to the strike via the DC power input or via PoE, as illustrated in the following lock
diagrams.
If the door strike is powered via a separate DC power supply, connect the diode at the door strike.
The cathode of the diode is connected to the positive terminal of either - normally closed (NC) or normally
open (NO) – depending on the lock state. The anode of the diode is connected to the common terminal.
Diodes must be installed for proper operation.
Fail Secure/Fail Safe Lock Devices
For ‘fail-secure’ and ‘fail-safe’ door strikes, observe the following relay connections:
‘fail-secure’ – Connect the positive terminal on the door strike to the 'normally open' (NO) position on the
door relay terminal. Connect the return wire to the common on the door relay terminal.
‘fail-safe’ – Connect the positive terminal on the door strike to the 'normally closed' (NC) position on the
door relay terminal. Connect the return wire to the common on the door relay terminal.
Warning
Before securing any exit, please ensure all wiring to electrical door hardware conforms to federal, state,
provincial, or municipal fire regulations and building codes.
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