Function Overview

Device type

• Panel mounted device
• Polycarbonate, 96 x 48 x 119.5 mm (W x H x D)
• Spring-type terminals for all auxiliary connections
• Degree of protection IP20

Input circuits

• 3 inputs for alternating voltage configurable for 100V/v3 or 3.25V / v3 (according IEC60044-7)
• 3 inputs for alternating current for low-power sensor 225mV @ 300A (according IEC60044-8)
• Alternative:
  Input L2 configured for sensitive earth-fault detection using low-power sensors 225mV @ 60A (according IEC60044-8)
• AC 230 V
• 1 Fault status reset for external signal 24V upto 60V
• Battery for 2,000 hours, service life of approx. 20 years

Signalization

Big display to show live values or detailed fault information e.g. fault direction

1 red Fault LED to show status “fault detected”

1 yellow Com LED to show communication running at the moment

1 green Run LED to show health status of the SICAM FCM itself

Communication

• Interface RS485
• Modbus RTU communication for all information and remote configuration

Measurands

• TRMS (True RMS) values for all direct measurements
• Phase voltages and currents
• Earth current
• Power frequency and cos ?
• Active, reactive and apparent power
• 15 min average value for all phase currents
• Trailing pointer for currents

Time synchronization

• Time synchronization via Modbus RTU