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® 2018 Valco Companies, Inc.
The (NC) dry-contact (no voltage) connection has continuity during an alarm condition and could be used to turn on
a device such as a siren, strobe light or auto dialer. The (NO) connection will have continuity when there is no alarm.
Specifications: The alarm relay is SPDT rated 120/240VAC 10A. Alarm devices should be fused externally.
You can attach a communications station to the Ventra Pro
TM
to enable remote access from a computer.
This access gives you many of the same capabilities as using the controller’s keypad. Refer to the manual
that came with your communications station for wiring instructions.
Up to 16 Ventra Pro
TM
controllers can be wired to the same communications station.
You can attach a variable speed expansion station (2VS) to Ventra Pro
TM
16, 24 and 32 Channel models.
Refer to the installation manual that came with your expansion station for wiring instructions.
Output Relay Wiring - continued
Communications Station
Expansion Stations
BATTERY
HORN
)
)
)
NC CO
M
NO
RIBBON CABLE
POWER
ALARM OUTPUT RELAY