Figure 34 - Pre-Alert Relay Ca8500B/Ocb-8 Connections - Keyscan CA250 Series Technical Manual

Figure 34 – 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
red stri pe
OCB-8 powere d
through rib bon
cable with J1 Relay
Power set on ACU.
KI-00232E-05-15
Keyscan Inc. – Technical Guide (PC109x - 07.15)
K8 K7 K6
OUTPUT
CONTROL
BOARD
OCB8
P C1102
TB4
RELAY
REV.
NORMAL
Pre- Pre-
Alert Alert
8 7
(DIP (DIP
Switch 8) Switch 7)
Relay 8 Relay 7
S1
Relay 1
Relay 2
Pre-
Pre-
Alert Alert
1
2
(DIP (DIP
Switch 1) Switch 2)
H1
TB1
K2
K1 K3
Exte rnal pre-aler t device moun ted at door
K5
KEYSCAN
INC.
TB3
Pre- Pre-
Alert Alert
6 5
(DIP (DIP
Switch 6) Switch 5)
Relay 6 Relay 5
GND
Relay 3 Relay 4
12V
Pre- Pre-
EXT
Alert Alert
J1
3 4
(DIP (DIP ACU
Relay
Switch 3) Switch 4)
Power
TB2
LE D ON =
RELA Y
E NE RGIZ ED
K4
DC Sup ply
+ -
52