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Environmental Monitoring Card 7

Sensor Zone Connections

Connection

information

The Environmental Monitoring Card supports normally open

and normally closed loop systems, and allows mixing of

normally open and normally closed sensors on any zone. Do

not cross-connect the card’s sensors with sensors from any

other system.

Multiple sensors

in a zone

To use more than one sensor on a zone, connect normally open

sensors in parallel and normally closed sensors in series. To

avoid receiving alarm indications on unused zones, install a

jumper wire between the COM and NC connectors for each

unused zone.

Normally Open Zone

GND/NO

COM

NC

Normally Closed Zone

GND/NO

COM

NC

Combined Normally Open

and Normally Closed Zone

GND/NO COM

NC

Normally Open Zone

GND/NO

COM

NC

Normally Closed Zone

GND/NO

COM

NC

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