Keyscan CA4500B - Figure 29 - HC Accessibility Relay CA250 B;OCB-8 Connections

Keyscan Inc. – Technical Guide (PC109x - 07.15)
46
Figure 29 – HC Accessibility Relay CA250B/OCB-8 Connections
OCB-8 ribbon cable
connects to CONTROL 1.
red stripe
OCB-8
When not used as
HC outputs, relay 5
can be used as Aux
Output 3 and relay
6 as Aux Output 4.
Do not use relays
for both functions.
to
door
accessability
operator
CA250B
Control
Board
Cut View
CONTROL
2
RS-232 (COM4)
CTS
CONTROL
5
DTR
DCD
RD
TD
GND
OCB-8 powered
through ribbon
cable with J1
Relay Power set
on ACU.
TAMPER TB3
SWITCH
+
-
KI-00227E-10-14
CONTROL
4
S1
TB1
J1
OUTPUT
CONTROL
BOARD
K1
K2
K3 K4
K5K6K7K8
LE D ON =
RELAY
ENERGIZED
O
N
1 2 3 4 5 6 7 8
ACU
EXT
12V
GND
H1
TB2
TB3
TB4
OCB8
PC1102
RELAY
REV.
NORMAL
KEYSCAN
INC.
Door
Output
1
(DIP
Switch 1)
Door
Output
2
(DIP
Switch 2)
Aux
Output
1
(DIP
Switch 3)
Aux
Output
2
(DIP
Switch 4)
HC
Output
1
(DIP
Switch 5)
HC
Output
2
(DIP
Switch 6)
Pre-
Alert
1
(DIP
Switch 7)
Pre-
Alert
2
(DIP
Switch 8)
Relay
Power
Note
DIP switches set
relays for normal or
reverse, as
indicated by the
arrows.