Optional equipment for all types of devices
(option factory preinstalled)
Potential-free alarm contacts are intended to inform the user about the unit’s state. They can be connected to external monitoring with digital/binary input. The alarm port is a relay-type output with NC-NO contacts. The contacts are switched when there is a power outage or an alarm occurs.
Circuit close (COM-NO): unit is on and works properly
Circuit open (COM-NO): unit is off or some malfunctions occurred.
Order number: PORT ALARM