Figure 21 - Lock State - Fail Safe Device - Keyscan CA250 Series Technical Manual

Control Board/OCB-8
CA8500B/OCB-8
Relay board
Relay board
KI-00124E-07-11
Keyscan Inc. – Technical Guide (PC109x - 07.15)
Door # /Relay #
Door 1/Relay 1 (K1)
Door 2/Relay 2 (K2)
Door 3/Relay 3 (K3)
Door 4/Relay 4 (K4)
Door 5/Relay 5 (K5)
Door 6/Relay 6 (K6)
Door 7/Relay 7 (K7)
Door 8/Relay 8 (K8)
Figure 21 – Lock State - Fail Safe Device
to 'Normally Closed'
positon on relay
to
to common
+
on DC power supply
supply
to 'Normally Closed'
positon on relay
to
to common
+
on DC power supply
supply
+
DC
Lock
Supply
-
Ribbon Cable Connection OCB-8 to
Control Board
Connect ribbon from H1 on OCB-8 to Control 1 on
CA8500B.
+
-
Maglock
+
Door
Strike
-
Lock State
of
Fail Safe Device
36