Ocb-8 Relay Board; Figure 20 - Ocb-8 Relay Board Pc1102; Table 3 - Ocb-8 Specifications - Keyscan CA250 Series Technical Manual

OCB-8 Relay Board

Keyscan's OCB-8 relay board functions as an output board using form C contacts on both door control units
and elevator control units. The table below outlines board specifications.
OCB-8 Specifications
OCB-8 power requirements
Relay outputs
# of outputs
Dimensions
Operating environment
For specific OCB-8 relay board output functions refer to Terminating Cables at Door Control Units starting on
page 34 or Terminating Cables at Elevator Control Units starting on page 60.
OCB-8 Legend
Relay # / Terminal / DIP Switch
Relay #1 – K1 / DIP switch #1
Relay #2 – K2 / DIP switch #2
Relay #3 – K3 / DIP switch #3
Relay #4 – K4 / DIP switch #4
Relay #5 – K5 / DIP switch #5
Relay #6 – K6 / DIP switch #6
Relay #7 – K7 / DIP switch # 7
Relay #8 – K8 / DIP switch #8
Power
J1 – ACU powered by ribbon cable on H1
J1 – EXT powered by 12VDC supply on TB5
Relay – Normal/Reversed
DIP switches at B1 – see above for relay
assignments
KI-00538-05-15
Keyscan Inc. – Technical Guide (PC109x - 07.15)
Table 3 – OCB-8 Specifications
12 VDC – 230 mA
Form C contacts, 30 VDC 5 Amps, 24 VAC 10 Amps
8
8.6 cm x 12.5 cm (3 3/8" x 4 7/8")
Temperature: 5° C to 49° C (41° F to 120° F)
Humidity: 0% to 90% R.H., non-condensing
Figure 20 – OCB-8 Relay Board PC1102
OUTPUT
CONTRO L
BOARD
OCB8
PC1102
RELAY
REV.
NORMAL
S1
H1
K8 K7 K6
TB4
RELAY
RELAY RELAY
#8
#7
RELAY
RELAY RELAY
#1
#2
TB1
K1 K2 K3
K5
KEYSCAN
INC.
TB3
RELAY
#6 #5
GND
12 V
E XT
RELAY
J1
#3
#4
A CU
TB2
LE D ON =
RELA Y
E NE RGIZ ED
K4
31