The SPI1021 monitors voltage and frequency in plants for own generation of electricity. (W/P, PV, biomass power units, etc)
FEATURES:
- Monitoring of under - and overvoltage 0/15-520V
 - Measuring of 3 phase with or without neutral or single phase
 - Monitoring of over- and underfrequency 45-65 Hz
 - Monitoring of quality of voltage (10-minutes-average)
 - Monitoring of vector-shift (connectible)
 - Ιnput Y0/Y1 for monitoring function of connected switch (automatic detection of nc/no)
 - Alarm counter for 100 alarms with value, reason and elapsed time
 
Useful Files


                                                            


















