Features
- The circulation of this terminal has auto-short circuit protection
- Over 90 power and energy parameters
- For Substation and Distribution Automation
- Modbus(R) protocol (RTU mode)
- 4-AC current inputs, 5A or 1A (specified when ordering)
- 4-AC voltage inputs, maximum 300V
- True RMS conversion
- 32 sample points per cycle
- Instant maximum and minimum
- Power analysis
- Waveform capture
- 200 event logs for all measured quantities
- Build in RTC (Real Time Clock)
- Field programmable PT / CT ratio
- Accuracy up to 0.25%
- Low input burden 0.1VA (1A / 300V)
- 2 communication Port, RS-485 + RS-232
- Wide power supply range AC / DC
- Memory for all setup and energy data
- Comprehensive self test diagnostic
- "User Map" speed up communication (indirect accessing data)
- Fault current detection
- Fully modularized & plug-in type
- Easy in field maintenance
Model & Ordering
Specification
- INPUT :
- 4 - AC Currents ( Aa, Ab, Ac, An)
- 4 - AC Voltage (Pa, Pb, Pc, Pn for 3-phase input & P1, P2 for separate 1-phase input)
- Range :
- Voltage : 0 - 3V / 10 - 300V
- Current :
- 5A or 1A of rating (CT)
- AFx : 20 * CT (fault current)
- Frequency : 40-70Hz
- Burden :
- Voltage < 0.1VA at 300V
- Current < 0.1VA at rating
- Overload Withstand :
- 2 CT continuous
- 25 CT 2 sec
- 50 CT 1 sec
- Measured System :
- 3 phase 4 wires, 3 phase 3 wires, 1 phase 3 wires, 1 phase 2 wires
- Programmability
- Communication Baud Rate :
- 1.2K / 2.4K / 4.8K / 9.6K / 19.2K bps
- Device address 1 - 254
- Measured Power System :
- 3P4W / 3P3W / 1P3W / 1P2W
- 50 / 60 Hz main frequency
- CT ratio 1.0 - 2000.0
- PT ratio 1.0 - 5000.0
- Fault Current Detection (Mode 0) :
- One Fault-Based-Curve
- 16 set-point groups (Ip-pu, Mp, Ig-pu, Mg)
- Fault Current Detection (Mode 1) :
- User definable
- 4-point Phase time over-current curve
- 4-point Ground time over-current curve
- Waveform Capture :
- Data Channel : 4 current, 4 voltage
- Sample Rate : 32 points per cycle, length 2 cycle
- Maximum / Minimum Logger :
- 21 parameters with time-stamped : VP1, VP2, VP3, VPE, VS, VL1, VL2,VL3, VLE, A1, A2, A3, A0, AE, W, Var, VA, PF, F, Vubl, Aubl
- Event logger :
- 200 events with time-stamped
- Status change of switch input
- Failure in self-test
- Programming access
- Fault Current Recorder
- Power ON / OFF
- Communication Port :
- Maximum 2 communication Port( RS-485, RS-232 or RS-485 + RS-232)
- MODBUS(R) RTU protocol
- Real Time Clock (RTC) :
- Maximum deviation 2 sec in 24 hours
- Time for year / month / day / hour / minute / second
- Dielectric Strength :
- IEC 255-5
- 2KV AC rms 1 minute between input / output / power
- Impulse and Surge:
- ANSI/IEEE C37.90.1-1989 (3KV) SWC
- IEC 61000-4-12 class III SWC
- IEC 61000-4-4 class IV SWC
- IEC 61000-4-5 class IV Impulse
- Operating Condition : Temperature range -25 to 60oC, RH 10-95% non condensed.
- Storage Condition : Temperature range -40 to 80oC, RH 10-95% non condensed.
- Power Supply :
- LO : DC 20 - 60V
- HI : AC 80-260V, 40-70 Hz, DC 80-330V
- Dissipation maximum 8 VA for AC and 2.4 watts for DC
- Dimension : 213 * 60.6 * 128.5mm (L*W*H)
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