Valcom V9955 User Manual
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V-9955
AUXILLIARY RELAY UNIT
INTRODUCTION
These instructions provide identification,
installation, connection, operation, and
maintenance information for the V-9955
Valcom Auxiliary Relay Unit.
SPECIFICATIONS
Applications
• Strobe Activation.
• Door Control.
• Camera Control.
Features
• Three 24 VDC 2 Pole Relays with 1 amp
contacts.
• Screw Terminals for all connections.
• Independent control or simultaneous
operation of relays.
• Unit is expandable to 6 relays by adding
V-9957 expansion board.
Dimensions/Weight
• 7.10”H x 4.7”W x 2.10"D
(18.03 cm H x 11.94 cm W x 5.33 cm D)
0.70lbs. (32kg).
Power Requirements
–21.5 to –26 VDC Battery, 20mA per relay
coil.
K1 RELAY
-24
IN *
N/O N/C STA
-24
IN *
N/ON/C STA
-24
IN *
N/O N/C STA
GND
IN *
N/O N/C STA
GND
IN *
N/O N/C STA
GND
IN *
N/O N/C STA
1
15
16
30
K2 RELAY
K3 RELAY
K1 RELAYK2 RELAY
K3 RELAY
DIODE
ANODE
DIODE
CATHODE
K1
AUX
K3
AUX
K2
AUX
N/C
Terminal Designations
* Denotes Relay Coil