Mode of Supervisory relay for alarm outputs for ND30, ND30IoT meters

Function can be ordered with new meter as well as activated on the device which have been already installed on the facility after software upgrade (from 1.07 version).

 

To make function active, please order appropriate license key.

► Supervisory relay mode enables detection of following events:
● Voltage drop or growth
● Current drop or growth
● Phase loss
● Current or voltage unbalance
● Phase sequence

► User can specify:
● The thresholds of monitored events
● Monitoring of phase relay
● Memory of relay state
● Delay of switch on/off relay
● Relay state after the event has occurred