Figure 92 - Pre-Alert Relay Ca8500B/Ocb-8 Connections - Keyscan CA250B Technical Instructions

Figure 92 – Pre-alert Relay CA8500B/OCB-8 Connections
Not e
DIP switches set
rela ys for normal or
reverse, as
CA850 0B
indi cated by the
Control Board
arro ws.
Cut Vie w
OCB-8 ribb on
cable connects to
S3
CONTROL 3.
S2
S1
OCB-8 powere d
cable with J1 Relay
Power set on ACU.
KI-00232E-10-14
Keyscan Inc. – Technical Guide (PC109x - 04.15)
K8
OUTPUT
CONTROL
BOARD
OCB8
P C1102
TB4
RELAY
REV.
NORMAL
Alert
(DIP
Switch 8)
S1
Switch 1)
H1
red stri pe
TB1
through rib bon
K1
K7 K6 K5
Pre- Pre- Pre-
Alert Alert
8 7 6
(DIP (DIP
Switch 7) Switch 6) Switch 5)
Pre- Pre- Pre-
Alert Alert Alert
1 2 3
(DIP (DIP (DIP
Switch 2) Switch 3) Switch 4)
K2 K3 K4
DC Sup ply
+
Exte rnal pre-aler t device moun ted at door
KEYSCAN
INC.
TB3
Pre-
Alert
5
(DIP
GND
12V
Pre-
EXT
Alert
J1
4
(DIP ACU
Relay
Power
TB2
LE D ON =
RELA Y
E NE RGIZ ED
-
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