Voltage Free Contact - Gram BIOBASIC 210 User Manual

Voltage free contact

The illustration below shows the three connectors for the relay (e.g..
in connecting to CTS or other external monitoring systems). The three
connections, are respectively Common, NO (Normally Open) and NC
Normally Open (NO)
(Normally Closed).
The moment voltage is applied, the controller draws the relay, this
makes it possible for the controller to respond to both high and low
temperature alarms, door alarms and power failures. Find instructions
on setting the alarms in the controller settings section.
Normally Open (NC)
Normally closed
circuit (NC)
Location of the voltage
free contact
Connection of the voltage-free contact should be done by a qualified installer.
Common
Common
Common
+
Common
Common
Common
+
NO
NC
NC
NO
NC
NO
NC
NO
NC
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BIOBASIC MANUAL