CCS WattNode Plus WNC-3D-240-FT10, Installation And Operation Manual

Page 1: ...n and Operation Manual WNC 3Y 208 FT10 WNC 3Y 400 FT10 WNC 3Y 480 FT10 WNC 3Y 600 FT10 WNC 3D 240 FT10 WNC 3D 400 FT10 WNC 3D 480 FT10 Rev 3 37b M6 Test Equipment Depot 800 517 8431 5 Commonwealth Ave Woburn MA 01801 TestEquipmentDepot com ...

Page 2: ...ed to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician to help Information in this document is subject to change...

Page 3: ...rmers 17 Circuit Protection 18 Connecting Voltage Terminals 19 Connecting LonWorks Network Wiring 19 Installation Summary 20 Service LED 20 Communication Troubleshooting 21 Measurement Troubleshooting 22 Network Configuration 25 Identifying the WattNode 25 Network Reinitialization 25 Operating Instructions 26 Quick Start 26 WattNode Basic Configuration 26 Verify Operation 26 Measurement Overview 2...

Page 4: ...enance and Repair 37 Specifications 38 Models 38 Model Options 38 Firmware 38 Accuracy 38 Measurement 39 Electrical 40 Certifications 41 Environmental 41 Mechanical 41 Current Transformers 41 Warranty 43 Limitation of Liability 43 ...

Page 5: ...ter communicates on a LonWorks TP FT 10 free topology twisted pair network using Echelon s LonTalk network protocol Network variables interface the WattNode to the network Each device on the network may have both input and output network variables Output network variables may be polled or bound connected to input network variables of the same type Whenever an output network variable is updated the...

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Page 7: ...re connected together internally N FT10 wiring terminals These connect to the LonWorks FT 10 network They are polarity insensitive O LonWorks service LED The LonWorks service LED indicates network status see Service LED pg 26 Immediately below the LED on the side of the housing is the service button used to identify the WattNode meter on the LonWorks network P Firmware version This indicates the W...

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Page 10: ... Phase 3 Wire Delta 208V no neutral 3 Phase 4 Wire Wye 120V 208V with neutral 3 Phase 4 Wire Delta 120 208 240V with neutral WNC 3D 400 FT10 Delta or Wye 230 Vac 400 Vac 3 Phase 3 Wire Delta 400V no neutral 3 Phase 4 Wire Wye 230V 400V with neutral WNC 3D 480 FT10 Delta or Wye 277 Vac 480 Vac 3 Phase 3 Wire Delta 480V no neutral 3 Phase 4 Wire Wye 277V 480V with neutral 3 Phase 4 Wire Delta 240 41...

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Page 15: ...ls the meter must be installed in an electrical service panel an enclosure or an electrical room The meter may be installed in any orientation directly to a wall of an electrical panel or junction box Drawn to Scale 153 mm 6 02 38 mm 1 50 High Ø 9 8 mm 0 386 Ø 5 1 mm 0 200 136 6 mm 5 375 85 1 mm 3 35 Figure 7 WattNode Meter Dimensions The WattNode meter has two mounting holes spaced 5 375 inches 1...

Page 16: ... loads like heaters and incandescent lights have nearly sinusoidal current waveforms with a crest factor near 1 4 Power factor corrected loads such as electronic lighting ballasts and computer power supplies typically have a crest factor of 1 4 to 1 5 Battery chargers VFD motor controls and other nonlinear loads can have current crest factors ranging from 2 0 to 3 0 and even higher High current cr...

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Page 18: ...uracy However this earth connection is not used for safety protective earthing For solid core CTs disconnect the line voltage conductor to install it through the CT opening Split core and bus bar CTs can be opened for installation around a wire by puling the removable section straight away from the rest of the CT or unhooking the latch it may require a strong pull Some CT models include thumb scre...

Page 19: ...parate circuit or place the current transformers downstream of the meter so its power consumption is not measured For best accuracy always connect the N neutral terminal on the meter If you are using a delta meter and the circuit has no neutral then jumper the earth ground to the N neutral terminal Connecting LonWorks Network Wiring CCS recommends that an experienced LonWorks network installer be ...

Page 20: ...work from one WattNode meter to the next If you do this we recommend that you twist the wires tightly together before putting them into the screw terminal to ensure that one wire doesn t pull free causing communication problems Installation Summary 1 Mount the WattNode meter 2 Turn off power before installing solid core non opening CTs or making voltage connections 3 Mount the CTs around the line ...

Page 21: ... check the AC voltage supplied to the meter to ensure power is present Wiring problem Check for any lose or disconnected wires If possible try to use a laptop computer to communicate with the WattNode meter at close range If this works then the problem may be a bad connection Excessive bus length Depending on the cable type and termination the maximum bus length can range from 250 meters to 2700 m...

Page 22: ...iring is correct contact support If the voltages are close to the measured or expected values continue with the next step Power Next check the measured power for each active phase nvoPowerA nvoPowerB nvoPowerC If possible estimate or measure the actual power Also make sure the load you are measuring is currently on If one or more active phases are reporting zero power then the problem is probably ...

Page 23: ...ority of AC powered electric devices do not draw significant DC current so this is a rare occurrence Loads with a high current crest factor ratio of the peak current to the RMS current can cause clipping in the measurement circuitry resulting in lower than expected readings You can check for this with a handheld power quality analyzer that can measure crest factor CF or by trying a CT with a highe...

Page 24: ...dicates that the voltage and current phases on the meter are not connected properly although some loads fall outside the normal ranges Check the following The CT connected to the ØA CT terminal is installed around the line wire being measured by the ØA Vac terminal green terminal block The CT connected to the ØB CT terminal is installed around the line wire being measured by the ØB Vac terminal gr...

Page 25: ...have been physically installed and need to be identified for the network The network management software must be able to find unconfigured nodes on the network When an unconfigured node is found the network management software will be instructed to send the wink command to the node By observing which meter responds to the wink command by lighting its service LED solidly for 15 seconds the physical...

Page 26: ...the peak demand timestamp will be correct If you are planning on using demand measurements and you don t want to use the default 15 minute interval you should set the nciDemPerMins as well Verify Operation You should be able to read several variables to check that the meter is correctly installed and measuring power and energy Verify variables in the following sequence nvoFreq power line frequency...

Page 27: ...SNVT_power_f watts 35 Real power phase B nvoPowerC SNVT_power_f watts 36 Real power phase C Network Variables The WattNode meter uses LonMark interoperable SNVTs Standard Network Variable Type and is programmed with self documentation information It is supplied with an external interface file XIF which defines all of the network variables and transceiver parameters The XIF file may be requested by...

Page 28: ...pwr_fact_f 32 Power factor phase C Reactive Power Registers nvoReacPwrSum SNVT_power_f VAR 37 Reactive power sum of phases nvoReacPwrA SNVT_power_f VAR 38 Reactive power phase A nvoReacPwrB SNVT_power_f VAR 39 Reactive power phase B nvoReacPwrC SNVT_power_f VAR 40 Reactive power phase C These network variables are preserved across power failures Table 4 Network Variables General Variables NodeObje...

Page 29: ...ese file transfer network variables are used by LNS network management tools to configure the meter These variables should never be directly manipulated by the operator nviResetEnergy The energy variables nvoEnergySum nvoEngyPosSum nvoEnergyA nvoEnergyB nvoEnergyC and nvoReacEngySum are all reset to zero kilowatt hours whenever 1 is written to nviResetEnergy As a security measure two variables nvo...

Page 30: ...nergy nvoReacEngySum This is the reactive energy kVARh sum of phase A B and C reactive energies This variable can count both up and down Generally positive reactive energy indicates an inductive load like a motor or transformer this may not be true if you are using a variable speed drive or inverter while negative reactive energy indicates a capacitive load nvoReacEngySum can be reset to zero with...

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Page 32: ... minutes with 4 subintervals This would result in a subinterval period of fifteen minutes Every fifteen minutes the average power over the last hour would be computed and reported nviResetPkDemand Writing a 1 to nviResetPkDemand will zero the peak demand nvoDemandPk and the peak demand timestamp nvoPeakDemT If you wish to make sure peak demand cannot be reset by an unauthorized person enable LonTa...

Page 33: ...rgy on inactive phases Frequency Register nvoFreq The WattNode measures the AC line frequency in Hertz All active phases must have the same line frequency otherwise this value will be erratic or incorrect Current Registers nvoCurrentA nvoCurrentB nvoCurrentC The WattNode estimates the RMS current for each phase This is an indirect measurement and does not include all harmonic content so the curren...

Page 34: ... the WattNode Plug in for LNS NiagaraAX users can access CPs by using a LON XML LNML file or JAR module available one the CCS website Calibration related CPs are normally hidden and not changed except by the factory nvoPfA nvoPfB nvoPfC These are the power factor values for each phase Reactive Power Registers Reactive power is also known as VARs Inductive loads like motors generate positive reacti...

Page 35: ...eger Power calibration phase C UCPTcalReactiveA integer Reactive power calibration phase A UCPTcalReactiveB integer Reactive power calibration phase B UCPTcalReactiveC integer Reactive power calibration phase C UCPTcalVoltA integer Voltage calibration phase A UCPTcalVoltB integer Voltage calibration phase B UCPTcalVoltC integer Voltage calibration phase C UCPTphaseAdjA integer Phase angle adjustme...

Page 36: ...der to prevent readings due to noise the meter forces the measured power and reactive power values to zero if the readings fall below a certain fraction of full scale power This also forces the associated energy values to zero for the measurement interval This is performed independently for each measurement phase using the following equation MinimumPower FullScalePower CreepLimit Any measured powe...

Page 37: ...times 22 Warning nvoDemandPk updated failed Will retry four times 23 Warning nvoPeakDemT updated failed Will retry four times 24 26 Error Peak demand data in FRAM corrupted 27 Error Calibration FRAM update pending 28 30 Error Energy data in FRAM corrupted 34 Error Tried to set the PT ratio too small or too large 59 61 Error Internal firmware error Contact support Maintenance and Repair The WattNod...

Page 38: ...ched current transformers Option PT or Option PT xxx Improves support for potential transformers PTs by adding a configuration property UCPTptRatio which configures the ratio of the external PT Optionally pre assign xxx as the PT ratio Option B Emulates the WNB series WattNode Plus for LonWorks models Note this option is not available on WattNode Logger models Option BI Emulates the WNB series Wat...

Page 39: ... 30 C to 55 C Additional Error 0 75 of reading Measurement Creep Limit 0 067 1 1500th of full scale Whenever the power or reactive power for a phase drops below the creep limit the power or reactive power for the phase will be forced to zero Also if the line voltage for a phase drops below 20 of nominal Vac the output power for the phase will be set to zero These limits prevent spurious readings d...

Page 40: ...t 115 of nominal Vac at 50 Hz This is the same as the rated power that appears on the front label of the meter Maximum Operating Power Supply Voltage Range 20 to 15 of nominal see table above For the WNC 3D 240 FT10 this is 20 of 208 Vac 166 Vac to 15 of 240 Vac 276 Vac Operating Frequencies 50 60 Hz Measurement Category CAT III Measurement category III is for measurements performed in the buildin...

Page 41: ...se when mounted inside an electrical enclosure Hammond Mfg Type EJ Series that is rated NEMA 3R or 4 IP 66 Mechanical Enclosure High impact ABS and or ABS PC plastic Flame Resistance Rating UL 94V 0 IEC FV 0 Size 153 mm 85 mm 38 mm 6 02 in 3 35 in 1 50 in Weight 310 gm 10 9 oz 314 gm 11 1 oz Connectors Euroblock style pluggable terminal blocks Green up to 12 AWG 2 5 mm2 600 V Black up to 12 AWG 2 ...

Page 42: ...o as bus bar CTs because they are available in larger and custom sizes appropriate for use with bus bars or multiple large conductors These are UL recognized under UL file number E325972 CTB wwwXhhh xxx where www and hhh indicate the width and height in inches and xxx indicates the full scale current rating The accuracy of the split core bus bar CTs is specified from 10 to 100 of rated current The...

Page 43: ...lfunctions or failures resulting from misuse neglect improper application improper installation water damage acts of nature lightning product modifications alterations or repairs by anyone other than CCS Except as set forth herein CCS makes no warranties expressed or implied and CCS disclaims and negates all other warranties including without limitation implied warranties of merchantability and fi...