CCS WattNode® Plus for LonWorks® kilowatt hour kWh energy and power meter

Manufacturer:

The WattNode Plus is a kilowatt hour kWh energy meter that communicates on a LonWorks network and measures 1, 2, or 3 phases with voltages from 120 to 600 Vac and 5 to 6,000 amps in delta (phase to phase) and wye (phase to neutral) configurations. For built-in data logging, see the WattNode Logger for LonWorks.

Part Number: WNC LonWorks

Select Required Model *

WNC-3Y-400-FT10 [+$928.00]
WNC-3D-400-FT10 [+$990.00]

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Overview
Specifications

AC Power Measurement,
for LonWorks^® Networks,
Reactive Power,
VARs, Power Factor,
Individual Phase Measurements

Model	VAC Phase to Neutral	VAC Phase to Phase	Electrical Service Types	Neutral Required
WNC-3Y-400-FT10	230	400	1 Phase 2 Wire 230V with neutral 3 Phase 4 Wire 230V/400V	Yes
WNC-3D-400-FT10	See Below	400	3-Phase 3-Wire Delta 400V (No neutral) 3-Phase 4-Wire Wye 230/400V

Delta models, WNB-3D-400-P, work either with or without a neutral connection, but require a line-to-line voltage connection for operating power.

Measurements

True RMS Power: Watts (Phase A, B, C, and sum of all phases)
Reactive Power: VARs (Phase A, B, C, and sum of all phases)
Power Factor: PF (Phase A, B, C, all phases)
True RMS Energy: Kilo-Watthours kWh (Phase A, B, C, and sum of all phases)
Reactive Energy: kVAR-hours (All Phases)
AC Frequency
RMS Voltage: (Phase A, B, C)
Computed RMS Current: (Phase A, B, C)
Demand
Peak Demand

Features

Supports LonWorks TP/FT-10 free topology twisted-pair network using Echelon's^® LonTalk^® (ANSI/CEA-709.1-B-2002) network protocol.
LonMark 3.4 Certified
Small form factor for easy installation inside most electrical panels, see a sample installation diagram.
Pluggable screw terminals for easy wiring
0.5% nominal accuracy (see manual for details)
True RMS power even with leading or lagging power factor and chopped or distorted waveforms
Monitors variable speed drives, pumps, and motors
Safe CT's (current transformers), producing 0.333 Vac at rated current.
- Split core CTs for quick installation
- Solid core CTs are less expensive and prevent tampering
- Custom and standard Bus Bar sized CTs
Assembled in USA, qualified under the Buy American provision in the American Recovery and Reinvestment Act of 2009 (ARRA).
Five year warranty

Safety Note

Warning: Hazardous Voltages - Only qualified personnel or licensed electricians should install the WattNode meter and current transformers.

Data Logging

If you need data logging, see WattNode Logger for LonWorks

Option CT

Option CT=xxx - Pre-assign xxx as the nciCtAmps value.
This can be field configured or overridden using the nciCtAmps network variable.

Option PT

Option PT improves support for potential transformers (PTs), making it easier to use WattNode for LonWorks meters with medium voltage services. Specifically, Option PT adds a configuration property UCPTptRatio which configures the ratio of the external PT, allowing the meter to automatically scale the voltage, power, and energy readings.

See WattNode LonWorks - Option PT for more information.

Electrical

Line powered
UL Listed
CE Mark
FCC Class A
Operating Voltage Range: –20% to +15% of the nominal rated voltage
Power Line Frequency: 50 or 60 Hz
CT Input: 0.333 Vac nominal, 0 to 0.5 Vac operating, 3 Vac maximum

Measurement Configurations

Single phase: two or three wire
Three phase, four wire wye
Three phase: three wire delta
Three phase: four wire delta

Communication

Protocol: Echelon’s® LonTalk® (ANSI/CEA-709.1-B-2002, EN 14908, GB/Z 20177.1-2006)
Transceiver: Echelon TP/FT-10
Bit Rate: 78 kbps
Maximum Nodes: 64 per subnet
Maximum Distance: 500–2700 meters
Maximum Stub Length:
- Free Topology: Unlimited
- Bus Topology: 3 meters

Accuracy

0.5% nominal accuracy (see manual for details)

Regulatory

FCC Class B, EN 55022 Class B
UL and cUL Listed (UL 61010-1)
CE Mark and RoHS
Immunity: EN 61326: 2002 (Industrial Locations)

Environmental

Operating Temperature: –30° to 55°C
Humidity: Up to 90% RH (non-condensing

Mechanical

Case Dimensions (Click on the image for a larger view.)

Enclosure:
- High impact, ABS plastic
- Flame Resistance Rating: 94V-0, IEC FV-0
- Size: 6.1 × 3.35 × 1.5 in. (155 × 85 × 38.1 mm)
Weight: 10.4 oz (295 g)
Connectors: Euroblock style pluggable screw terminal blocks
Green: 22 to 12 AWG (1.0 to 3.2 mm), 600 V
Black: 22 to 12 AWG (1.0 to 3.2 mm), 300 V

AC Power Measurement,
for LonWorks^® Networks,
Reactive Power,
VARs, Power Factor,
Individual Phase Measurements

Model	VAC Phase to Neutral	VAC Phase to Phase	Electrical Service Types	Neutral Required
WNC-3Y-400-FT10	230	400	1 Phase 2 Wire 230V with neutral 3 Phase 4 Wire 230V/400V	Yes
WNC-3D-400-FT10	See Below	400	3-Phase 3-Wire Delta 400V (No neutral) 3-Phase 4-Wire Wye 230/400V

Delta models, WNB-3D-400-P, work either with or without a neutral connection, but require a line-to-line voltage connection for operating power.

Measurements

True RMS Power: Watts (Phase A, B, C, and sum of all phases)
Reactive Power: VARs (Phase A, B, C, and sum of all phases)
Power Factor: PF (Phase A, B, C, all phases)
True RMS Energy: Kilo-Watthours kWh (Phase A, B, C, and sum of all phases)
Reactive Energy: kVAR-hours (All Phases)
AC Frequency
RMS Voltage: (Phase A, B, C)
Computed RMS Current: (Phase A, B, C)
Demand
Peak Demand

Features

Supports LonWorks TP/FT-10 free topology twisted-pair network using Echelon's^® LonTalk^® (ANSI/CEA-709.1-B-2002) network protocol.
LonMark 3.4 Certified
Small form factor for easy installation inside most electrical panels, see a sample installation diagram.
Pluggable screw terminals for easy wiring
0.5% nominal accuracy (see manual for details)
True RMS power even with leading or lagging power factor and chopped or distorted waveforms
Monitors variable speed drives, pumps, and motors
Safe CT's (current transformers), producing 0.333 Vac at rated current.
- Split core CTs for quick installation
- Solid core CTs are less expensive and prevent tampering
- Custom and standard Bus Bar sized CTs
Assembled in USA, qualified under the Buy American provision in the American Recovery and Reinvestment Act of 2009 (ARRA).
Five year warranty

Safety Note

Warning: Hazardous Voltages - Only qualified personnel or licensed electricians should install the WattNode meter and current transformers.

Data Logging

If you need data logging, see WattNode Logger for LonWorks

Option CT

Option CT=xxx - Pre-assign xxx as the nciCtAmps value.
This can be field configured or overridden using the nciCtAmps network variable.

Option PT

See WattNode LonWorks - Option PT for more information.

CCS WattNode® Plus for LonWorks® kilowatt hour kWh energy and power meter

Measurements

Features

Safety Note

Data Logging

Option CT

Option PT

Electrical

Measurement Configurations

Communication

Accuracy

Regulatory

Environmental

Mechanical

Measurements

Features

Safety Note

Data Logging

Option CT

Option PT

Quality Guaranteed

Safe & Secure Payments

Quality Guaranteed

CCS WattNode® Plus for LonWorks® kilowatt hour kWh energy and power meter

Measurements

Features

Safety Note

Data Logging

Option CT

Option PT

Electrical

Measurement Configurations

Communication

Accuracy

Regulatory

Environmental

Mechanical

Measurements

Features

Safety Note

Data Logging

Option CT

Option PT

CCS ACTL Series Split-Core Current Transformers - Accu-CT up to 250A

Quality Guaranteed

Safe & Secure Payments

Quality Guaranteed