A-12
Functions and
characteristics
Introduction
Overview of trip units for Compact NSX
The capabilities of Micrologic 5 / 6 A and E
trip units come into full play with the
FDM121 switchboard display unit.
When the two are connected via a simple
cord with RJ45 connectors, the combination
offers full Power Meter capabilities and all
the measurements required to monitor the
electrical installation.
I measurements
Current measurements
Phase and neutral currents I1, I2, I3, IN
b
Average current of the 3 phases Iavg
b
Highest current of the three phases Imax
b
Ground-fault current Ig (Micrologic 6.2 / 6.3 A)
b
Maximeter/minimeter for I measurements
b
Operating and maintenance assistance
Indications, alarms and histories
Indication of fault types
b
Alarms for high/low alarm thresholds linked to I
b
measurements
Trip, alarm and operating histories
b
Time-stamped tables for settings and maximeters
b
Maintenance indicators
Operation, trip and alarm counters
b
Operating hours counter
b
Contact wear
b
/RDG SUR¿OH DQG WKHUPDO LPDJH
b
Communication
Modbus with add-on module
b
Ammeter Micrologic (A)
DB112044
DB112526
559E1100.indd
version: 1.0




