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Measurements
· ULN & ULL per Phase and Average, Phase Angle, Ung, Frequency
· 1-Ø SM: Current, Phase Angle, Loading Factor, P, Q, S, PF, kWh, kvarh Import/Export, kVAh
· 3-Ø SM: I Average, P, Q, S, PF Total, kWh, kvarh Import/Export, kVAh Total
· VM: P, Q, S Total, kWh, kvarh Import/Export, kVAh Total
Demand Measurements
· 1-Ø SM: Current, P, Q, S
· 3-Ø SM and VM: P, Q, S Total
· Max. Demands for This Month and Last Month
· Ability to reset any Max. Demands
Power Quality
· THD, TOHD, TEHD
· Individual Harmonics up to 31st
· U and I Unbalance
SOE
· 512 events time-stamped to ±1ms resolution
· DI/DO changes, Alarms, Setup changes, Self-Diagnosis
Data Recording
· 4MB Log Memory
· Up to 60 parameters @ min. 1-min recording interval for 5,000 logs with Timestamps
· 24 Monthly Energy Logs
- 1-Ø SM, 3-Ø SM and VM: kWh, kvarh Import/Export & kVAh
· 1,000 Daily Freeze Logs
- 1-Ø SM: Current, P, Q, S, kWh, kvarh Import/Export & kVAh
- 3-Ø SM and VM: P, Q, S Total, kWh, kvarh Import/Export & kVAh
Inputs & Outputs
· 12xDI, Dry Contact with 24VDC self-excitation
· 1xDO, mechanical relay @ 250VAC/5A or 30VDC/5A
Communications
· 2xRS-485, Modbus RTU protocol
· Baud Rate @ 1,200 to 57,600 bps
Real-Time Clock
· Battery-backed Real-time Clock with 6ppm accuracy (<0.5s per day)