Figure 91 - Pre-Alert Relay Ca4500B/Ocb-8 Connections - Keyscan CA250B Technical Instructions

Figure 91 – Pre-alert Relay CA4500B/OCB-8 Connections
CA450 0B
Control
Boa rd
Cut Vie w
KI-00231E-10-14
Keyscan Inc. – Technical Guide (PC109x - 04.15)
OUTPUT
CONTROL
BOARD
OCB8
Not e
P C1102
DIP switches set
TB4
RELAY
rela ys for normal or
REV.
reverse, as
NORMAL
indi cated by the
arro ws.
OCB-8 ribb on cab le
connects to
CONTROL 2.
S1
H1
red stri pe
TB1
OCB-8 powere d
through rib bon
cable with J1
Relay P ower set
on ACU.
+ -
DC Sup ply
Exte rnal pre-aler t device
mounted at do or.
K8 K7 K6 K5
Pre- Pre- Pre-
Alert Alert Alert
4 3 2
(DIP (DIP (DIP
Switch 8) Switch 7) Switch 6)
Aux
Aux Aux
Output Output Output
5 6 7
(DIP (DIP (DIP
Switch 1) Switch 2) Switch 3)
K2
K1 K3 K4
KEYSCAN
INC.
TB3
Pre-
Alert
1
(DIP
Switch 5)
GND
12V
Aux
EXT
Output
J1
8
(DIP ACU
Relay
Switch 4)
Power
TB2
LE D ON =
RELA Y
E NE RGIZ ED
131