Technical Data Sheet (PDF)

• UL recognized component
• Communication through LONWORKS® AND Modbus® (RS-232/485)
• 3-phase power metering and monitoring of voltage, current, power factor, kW, kWh, kVa, kVAh, kVAR, kVARh, harmonic distortion (THD, TOHD, TEHD and individual harmonics 2 to 15), and A-phase frequency, aux frequency
• Integral load-shedding algorithms manage power consumption
• True RMS metering accuracy for voltage, current, power and energy
• 8 individually isolated, programmable, dry contact outputs
• 8 individually isolated, programmable discrete inputs (AC or DC), each input selectable for low or high voltage
• 2 programmable, analog outputs that connect to PLCs, SCADA systems, panel meters, data recorders, etc.
• Setup and configuration using a standard PC interface

• Intuitive set-up tailors device to application thus saving time
• 0.2% accuracy, current, and voltage
• Flexibility to operate as a stand-alone or integrate with a snetwork
• Easily integrates with energy management, BSA and SCADA systems
• External power supply not required (device operates on power being metered)
  

• Includes Network Service Tool (NST) setup and configuration tool for LONWORKS® -based hardware
• Store parameters for easy transfer between units
• 32-bit application, Windows® 95 and NT® 4.0 compatible
• Runs on standard desktop or laptop PC, eliminating the need for a hand-held programmer
• Basic monitoring functions built in
• Simple “drag-and-drop” interface
• Reads and displays LONMARK® object names
• Utilizes simple user-created forms
• Industry standard ODBC-compliant database
• High-speed OLE automation server
• Reads and displays values and documentation for monitored data points Protective Relaying Functions
• Sync check (25)
• Auto-synchronizer (25A) w/ voltage matching, two modes available:
  • Frequency and phase matching
  • Slip frequency
• Over/under voltage for generator and utility tie (27/59)
• Over/under frequency for generator and utility tie (81 O/U)
• Directional power (32)
• Directional reactive power (32VAR)
• Reverse-phase/phase-balance current (46)
• Phase sequence voltage (47)
• Voltage-restrained overcurrent (51VR)

Environmental:
Humidity: 95% at 38° C
Temperature: -25°C to 70° C

Power Requirements:
18 to 75 Vdc (<10W)
85-265 Vac (<25W)

Single Phase Potential Input:
60-150 Vac; 50/60 Hz; delta, open delta or wye configurations

3-Phase Potential Inputs:
60-150 Vac; 50/60 Hz; delta, open delta or wye configurations

Single Phase Current Input:
0-5 Amps; 50/60 Hz

3-phase Current Inputs:
0-5 Amps; 50/60 Hz

Digital Inputs:
20-40 Vac/Vdc; 85-150 Vac/Vdc

Digital Outputs:
1-120 Vac/Vdc; 0.15 Amps Max

Frequency and Voltage Bias Outputs:
+/- 3 Vdc and 4-20 mA
Designed to meet or exceed ANSI/IEEE C37.90-1989, IEEE Standards for Relays and Relay Systems Associated with Electrical Power Apparatus (5000 Volt Surge Withstand)

Designed to comply with:
IEC 1000-4-2 Electrostatic Discharge
IEC 1000-4-3 Radiated Immunity
IEC 1000-4-4 Fast Transient
IEC 1000-4-5 Surge Withstand
IEC 1000-4-6 Conducted Immunity
ANSI/IEEE C37.90.1 Surge Withstand/Fast Transient
ANSI/IEEE C37.90.1 Radiated Immunity

Designed for LONMARK® Compatibility

Recognized to U.S. and Canadian requirements under the Component Recognition Program of Underwriters Laboratories Inc.

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