Digital Control Systems AirSense 310en Gebruikershandleiding - Pagina 16

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Optional High Limit Contact Relay

The high CO 2 limit relay option provides a dry (i.e.

unpowered) contact closure that activates when the detected

concentration rises above the high CO

is adjustable from 0 to 5000 ppm.

Setting High Limit Contact Polarity

The polarity of the high limit contact is set with jumper JP5

as shown in the table below.

Jumper JP5

CLOSED

(factory default)

OPEN

To open jumper JP5 remove the shorting block from the two

pins, and replace it so that it engages only a single pin of the

jumper. The shorting block should not be discarded; it is

required for all field calibration procedures.

3/9/15

AirSense Model 310en Operator's Manual

normally open

closes above setpoint

normally closed

opens above setpoint

Digital Control Systems

www.dcs-inc.net • 503/246-8110

limit. The high limit

Relay Operation

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