DENT Instruments PowerScout 24 Operator'S Manual Download Page 64

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DENT

Instruments

PowerScout 24

All Things Modbus

BSOLUTE

EASUREMENT

EGISTERS

Offset refers to a base of 40001.

Modbus

Offset

Description

* System=sum of three phases

44001

4000

kWh System LSW

System Total True Energy LSW (kWh)

44002

4001

kWh System MSW

System Total True Energy MSW (kWh)

44003

4002

kW System

System Total True Power (kW). Unsigned absolute
(ABS) value of ABS (kW L1) + ABS (kW L2) + ABS (kW

L3)

44004

4003

kW Demand System Max

System Maximum Demand (peak demand).

44005

4004

kW Demand System Now

Average Power (kW) for most recent demand window

44006

4005

kW System Max

System Maximum Instantaneous kW

(Highest kW sample measured)

44007

4006

kW System Min

System Minimum Instantaneous kW

(Lowest kW sample measured)

44008

4007

kVARh System LSW

System Total Reactive Energy LSW (kVARh)

44009

4008

kVARh System MSW

System Total Reactive Energy MSW (kVARh)

44010

4009

kVAR System

System Total Reactive Power (kVAR). Unsigned
absolute (ABS) value of ABS (kVAR L1) + ABS (kVAR L2)

+ ABS (kVAR L3)

44011

4010

kVAh System LSW

System Total Apparent Energy LSW (kVAh)

44012

4011

kVAh System MSW

System Total Apparent Energy MSW (kVAh)

44013

4012

kVA System

System Total Apparent Power (kVA). Unsigned WYE =

(kVA L1) + (kVA L2) + (kVA L3) Delta = SQRT (kW
system ^2 + kVAR system ^2)

44014

4013

Displacement PF System

System Displacement Power Factor (PF). Register is

100x actual value.

44015

4014

Apparent PF System

System Apparent Power Factor (PF). Register is 100x
actual value.

44016

4015

Amps System Avg

Average of all phases.

Summary of Contents for PowerScout 24

Page 1: ...Operator s Guide PowerScout 24 Power Meter and ViewPoint Software June 1 2016 ...

Page 2: ...ributed without written permission from DENT Instruments PowerScout ViewPoint and PhaseChek are trademarks of DENT Instruments Inc Windows Windows Vista Windows 7 Windows 8 Windows XP and Notepad are registered trademarks of Microsoft Corporation DENT Instruments 925 SW Emkay Drive Bend Oregon 97702 USA Phone 541 388 4774 Fax 541 385 9333 www DENTinstruments com ...

Page 3: ...able 17 Connecting and Communicating via a USB or RS 485 Adapter 17 Installing the RS 485 Adapter on a Computer 18 Connecting the Adapter to the Meter 19 Setting the Network Address Switches 21 Addressing an Element 22 Communication Error 23 Connecting and Communicating via an Ethernet TCP IP Connection 23 About IP Addresses 24 Communications LEDs 26 PS24 Serial Ethernet 26 Version Control 26 Mete...

Page 4: ...ng CTs 41 Connecting Split Core Style Millivolt CTs to a Load 42 43 Connecting RōCoil CTs to a Load 43 CT Wire Lead Polarity 45 Connecting Voltage 45 Powering the Meter 46 PowerScout Single Phase Connections 46 A Typical 230V Single Phase Panel Setup US Wire Colors 46 A Typical 115V Single Phase Panel Setup 47 System Values 47 PowerScout 24 Wiring Diagrams 48 Three Wire Delta 48 Three Phase Four W...

Page 5: ...bjects 89 Negative Power Energy Measurement Objects 90 Appendices 91 Appendix A Connecting Multiple PowerScouts to an RS 485 Network 91 Communication Protocol 91 Daisy Chain Layout for RS 485 Network 91 Networking Using the BACnet MS TP Modbus RTU Protocol 91 Appendix B VERIS H8035 H8036 Emulation 92 VERIS Modbus Integer Registers 93 VERIS Multipliers 94 VERIS Modbus Floating Point Registers 96 Ap...

Page 6: ...ypically used for long term monitoring of electrical systems Up to 127 PowerScout 24 meters may be connected to a single BACnet client for monitoring and recording power usage at multiple locations within a single site Up to 30 meters may be connected to Modbus There are eight configurable digital pulse output ports that can be used to output kWh kVARh or kVAh pulses to external devices or to togg...

Page 7: ...7 DENT Instruments PowerScout 24 Introduction Example of a COC for a PowerScout 24 ...

Page 8: ...8 DENT Instruments PowerScout 24 Introduction Meter Anatomy ...

Page 9: ...ATENING VOLTAGES QUALIFIED PERSONNEL MUST DISCONNECT ALL HIGH VOLTAGE WIRING BEFORE USING OR SERVICING THE METER WARNING Use of this device in a manner for which it is not intended may impair its means of protection Symbols on Equipment Denotes caution See manual for a description of the meanings When connecting the PowerScout to an AC load follow these steps in sequence to prevent a shock hazard ...

Page 10: ...f this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at user s own expense Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation DC VOLTAGES The...

Page 11: ...settings during power failure and has a life expectancy of greater than 10 years Contact DENT Instruments for service No accessories are approved for use with the PowerScout meter other than those specified in the DENT Instruments product literature and price sheets If the meter appears damaged or defective first disconnect all power to the meter Then call or email technical support for assistance...

Page 12: ...METER PEUT CONTENIR DE HAUTES TENSIONS QUI PEUVENT ÊTRE DANGEREUSES UN PERSONNEL QUALIFIÉ DOIT DÉBRANCHER TOUS LES CÂBLES À HAUTE TENSION AVANT D UTILISER OU DE RÉPARER DU METER ATTENTION L utilisation de cet appareil d une manière pour laquelle il n est pas destiné peut annuler ses moyens de protection Symboles des Equipements Signifie prudence Voir le manuel pour une description de la significat...

Page 13: ...ent installer un UL inline 600 volts DC fusible avec une valeur nominale de 1 amp ou moins Ces fusibles sont couramment disponibles dans le marché des piles solaires 2 UL ANSI et tests du PowerScout a été menée sur systèmes CA uniquement DC résultats sont comparables mais pas testé 3 Impact Instruments logiciel VIEWPOINT ne dispose actuellement pas de configuration ou de registres qui sont spécifi...

Page 14: ...ARh kVA kVAh Apparent Power Factor aPF Displacement Power Factor dPF All parameters for each phase and for system total Accuracy 1 0 5 typical for V A kW kVAR kVA PF Resolution 0 01 Amp 0 1 Volt 0 01 watt 0 01 VAR 0 01 VA 0 01 Power Factor depending on scalar setting Indicators Bi color LEDs red and green 1 LED to indicate communication 3 LEDs for correct phasing PhaseChek Green when voltage and c...

Page 15: ...nt Minimum System Requirements Operating System Windows 7 32 or 64 bit Windows 8 Pro Vista 32 or 64 bit XP Communications Port One USB port or serial port Hard Drive 50 MB minimum available Processor Pentium Class 1 GHz or more recommended Safety Serial Ethernet Meters The following are UL listed PS24 D S PS24D E The following are UL Recognized PS24 N S PS24 N E The PS24 Series Conforms to UL Std ...

Page 16: ...talling the ViewPoint Software The ViewPoint software is designed to let you easily configure the PowerScout for different current transformers check readings and verify correct setup All of DENT Instruments PowerScout meters use ViewPoint software to communicate with the meter It needs to be installed on any computer talking to the PowerScout 24 ViewPoint is compatible with Windows 7 32 or 64 bit...

Page 17: ...r when connected to a PC When using a USB cable with a PC each USB port on the PC generates a unique comm port in the ViewPoint software such as Com3 or Com4 NOTE A USB driver is installed when you install the ViewPoint software ViewPoint can read information through a USB an RS 485 isolated COM port or an Ethernet connection When the RS 485 connection is selected a base address is required the ba...

Page 18: ... of a USB cable into the RS 485 adapter and the other end into a USB port on the computer 3 The Found New Hardware Wizard window appears The window states This wizard helps you install software for Model USOPTL4 and asks What do you want the wizard to do 4 Select Install the software automatically and click Next 5 Click Finish when the installation is complete 6 Remove the CD from your computer ...

Page 19: ... the connector The red wire inserts in the left slot the black wire in the middle slot and the green wire in the right slot Shield Figure II 1 and Figure II 3 Verify that the dip switches on the back of the RS 485 adapter are set to RS 485 Echo Off 2 Wire 2 Wire as shown in Figure II 2 before plugging the adapter into the PowerScout Figure 1 RS 485 Adapter Figure 2 Dip switches on back of RS 485 A...

Page 20: ...itches See Setting the Network Address Switches below 4 When connecting with an RS 485 select Modbus or BACnet as your communication protocol When communicating over USB whether the PS24 is configured for Modbus or BACnet mode the PS24 will communicate over the Modbus protocol 5 Select the PC COM Port from the drop down list For a USB connection select COMxx DENT USB in the field where xx is the p...

Page 21: ...d Modbus address is a decimal value represented by three digits 000 through 009 010 090 and 100 999 Note BACnet MS TP masters only support addresses 001 127 Decimal Address BACnet Address Availability 000 Reserved for resetting the PowerScout to Modbus mode with 9600 baud 8 bit 1 stop bit and no parity 001 127 Available 01 001 is the factory default setting 128 254 Reserved for BACnet slave device...

Page 22: ...et the base address for metering element A Metering elements B through H will always have a Modbus address that is one higher than the element before For example if the rotary address switches are set to 001 then metering element A register values will be accessed at Modbus address 001 element B registers will be accessed at Modbus address 002 element C at address 003 and so on In BACnet mode elem...

Page 23: ...ATING VIA AN ETHERNET TCP IP CONNECTION Connect one end of the Ethernet cable into the PowerScout and the other end into your computer or network To begin communicating via an Ethernet cable you must first set it up within the ViewPoint software that came with the meter See Ethernet TCP IP Connection in the C ommunicating with a PowerScout Meter section The meter will require power to communicate ...

Page 24: ... the router connected to the meter using the Use DHCP option dynamic address found in the Logger Network Setup dialog box accessed via the Setup button Both options have advantages NOTE A Static IP address of 192 168 1 10 is assigned in the factory to all Ethernet PowerScouts Static Connection If you know an IP address that is not being used by another device on the network enter that address into...

Page 25: ...h connection point is yours Select the correct device from the list of IP Addresses and click OK The Setup button displays the Logger Network Setup dialog box where network address information is entered See your network administrator before making changes When you select the Use DHCP checkbox the Dynamic Host Configuration Protocol is used to populate the IP Address Subnet Mask and Gateway Addres...

Page 26: ... Installed versions of the software and firmware are checked when first connecting the meter A pop up dialog box appears if either of those is out of date ViewPoint Update Dialog Firmware Update Dialog Thereafter the software is checked once every seven 7 days for the current version Firmware is checked each time the meter is connected You can stop the check for updates by selecting the Don t chec...

Page 27: ...e also entered for the element Overall a Demand Window of 1 60 minutes is available for the recording of demand and a Line Frequency of 50 Hz or 60 Hz is selectable NOTE In PowerScout meters Peak Demand is calculated using a moving window and is averaged across the selected demand window size Each minute the total consumption is recalculated and compared to the last demand window If the new window...

Page 28: ...a WYE connection for Delta loads A WYE connection automatically displays all three CTs Any changes made to CT1 also apply to CT2 and CT3 Wye Wiring Connection A DELTA connection displays only the two available CTs Any changes made to CT1 also apply to CT3 Delta Wiring Connection 2 Depending on the wiring connection make changes to CT1 CT2 and or CT3 CT Phase Shows the voltage of the referenced CT ...

Page 29: ...30 1 30 Split Core Large CT SCL 0600 CT SCL 1000 0 00 0 00 Split Core High Accuracy CT SHS 0005 CT SHS 0015 0 50 0 50 Hinge Mini CT HSC 020 CT HSAC 050 0 75 0 75 Hinge MIDI CT HMC 0100 CT HMC 0200 0 12 0 30 Revenue Grade Toroidal Solid Core CT RGT12 0005 CT RGT12 0020 CT RGT12 0050 CT RGT12 0100 0 00 0 00 0 00 0 00 Revenue Grade Split Core CT SRS 005 CT SRS 050 CT SRL 100 CT SRL 200 CT SRL 400 359...

Page 30: ...r Scalar Value kW kWh Demand kVAR kVARh kVA kVAh Power Factor Amps Volts 0 00001 00001 00001 01 01 1 1 001 001 001 01 1 1 2 01 01 01 01 1 1 3 1 1 1 01 1 1 4 1 1 1 01 1 1 5 10 10 10 01 1 1 6 100 100 100 01 1 1 Table 7 Data Scalars and Values for Modbus Registers The data scalar is stored in register 44602 When selecting a data scalar the following guidelines need to be considered If the data scalar...

Page 31: ...ts x 100 amps 48 000 watts Watts x 3 system watts 48 000 watts x 3 144 000 watts 144kW Check the register s value using the data scalar 2 value of 01 System kW scalar value register value 144kW 01 14 400 Since 14 400 is less than 65 535 using data scalar 2 is a good choice for this example For example 2 the following data is used 480 volts x 1000 amps 480 000 watts 480 000 watts x 3 1 440 000 watt...

Page 32: ...alue from Table 7 For example assume that System Total True Energy kWh is desired and the value of 5013 is read from register 44001 LSW and 13 is read from register 44002 MSW and that the register 44602 data scalar is set to 3 To calculate the total kWh recorded Multiply the MSW by 65536 13 X 65536 851968 Add the LSW 851968 5013 856981 Multiply by the scalar 3 value of 0 1 856981 X 0 1 85698 1 kWh...

Page 33: ...PowerScout Connecting the Ports Once your communication mode is selected click Connect to establish a connection between the computer and the PowerScout meter When the PowerScout is in the process of connecting to the computer the Communication Status LED flashes briefly followed by a solid green If the PowerScout cannot connect to the computer the Communication Status LED flashes red and returns ...

Page 34: ...supported baud rates include 9600 19200 38400 57600 Modbus only 76800 and 115200 Modbus only NOTE The baud rate on the user interface ViewPoint must match the PowerScout setting If these settings differ the PowerScout cannot communicate There are no baud rate settings when connected via Ethernet SWITCHING BETWEEN BACNET AND MODBUS MODE Changing Communication Mode Using ViewPoint Using the Comms Se...

Page 35: ...alue field enter 1833 to change to BACnet mode 5 Click OK The status should say Writing Value Return to the Communications tab and connect Changing the PowerScout from BACnet to Modbus mode 1 Connect to the PowerScout using ViewPoint 2 Go to the Read Set Objects tab in ViewPoint 3 Enter 10190 into the Object field or click List to select from the Object Picker List 4 In the Value field enter 375 t...

Page 36: ...s Red On Off 2 BACnet Red On Red On Factory Default Table 10 LSB Communication Mode 5 Next set MSB to one of the following baud rates MSB Address Switch Baud Rate PhaseChek LED CT1 PhaseChek LED CT2 PhaseChek LED CT3 1 9600 Off Off Green 2 19200 Off Green Off 3 38400 Off Green Green 4 57600 Modbus only Green Off Off 5 76800 Green Off Green 6 115200 Modbus only Green Green Off Factory Default Table...

Page 37: ...tices according to the local electrical codes The raw board of the PowerScout 24 meter can be mounted to customer provided standoffs or placed into a NEMA National Electrical Manufacturers Association box A NEMA rated box is available through DENT Instruments Securely mount the PowerScout meter near a dedicated circuit disconnect breaker WARNING Remove the meter from all sources of voltage before ...

Page 38: ...d PowerScout meters are self powered from L1 and L2 Up to twenty four current transformers CTs Digital output ports The ports can be used to output kWh kVARh or kVAh pulses to external devices or to toggle on and off to control a remote device or relay Completing the Field Installation Follow these steps to complete the field installation of your PowerScout meter Connect whatever communications ca...

Page 39: ...s scaled by the Modbus data scalar register 44602 When in BACnet the pulse output is scaled by the CT Pulse Scalar object 12030 The pulse scalar table is the same as the Modbus data scalar table For example when the data scalar is set to 3 each pulse will represent 1kWh 1kVAh and 1kVARh Data Scalar Pulse Scalar Value kWh kVAh kVARh 0 00001 00001 00001 1 001 001 001 2 01 01 01 3 1 1 1 4 1 1 1 5 10 ...

Page 40: ...y open HIGH 1 normally closed LOW Table 13 Modbus Digital Port Pulse Output BACNET OUTPUT PORT OBJECTS Refer to the following two tables to configure the PowerScout output port when using the BACnet protocol Object Identifier Object Name Detailed Description NA Port 1 output control when used as an on off open closed switch 0 output LOW closed 1 output HIGH open default Object 13100 present value ...

Page 41: ...l 3 wire shield PowerScout 24 2 Attach the CTs onto the PowerScout connections labeled CT 1 CT 2 and CT 3 3 Place the CTs on the phase wires of the load to be monitored and corresponding to the phase of the voltage leads The CT labeled CT 1 must be placed on L1 phase voltage wire CT 2 must be on the L2 voltage and CT 3 on the L3 voltage Refer to PhaseChek later in this section for information abou...

Page 42: ...t apart 2 Connect CT around the load conductor to be measured Make sure the maximum current of the conductor does not exceed the maximum CT rating listed on the CT data sheet 3 Carefully re connect the removable leg while ensuring the CT core alignment matches The conductor should be in the inside of the CT window 4 Repeat Steps 1 3 if you are using more than one CT ...

Page 43: ...at the arrow on the CT case points towards the load Make sure the maximum current of the conductor does not exceed 4 000 amps 3 Push the connector back together with the conductor within the loop of the CT Repeat the above three steps if you are using more than one RōCoil CT To connect theC Tswiresto the terminalson the PowerScout 1 Connect the CTs brown wire to the negative terminal on the connec...

Page 44: ...44 DENT Instruments PowerScout 24 Field Installation Connecting RōCoil CTs Mini hinged CTs attached to load Negative Positive Shield ...

Page 45: ... improves accuracy of the CT Connecting Voltage 1 Connect the voltage leads L1 L2 L3 and N as necessary to the meter A voltage lead of 14 AWG THHN Minimum 600VAC rating or equivalent in order to maintain 600VAC safety rating of the device is required 2 Connect the leads to the circuit breaker a Refer to the wiring diagrams in for wiring connection specifics Follow local electrical codes during thi...

Page 46: ... CT must be paired with the correct voltage source The current and voltage need to be in phase for accurate measurements For instance CT 1 would monitor branch circuit supplied by voltage source L1 and so on 3 The neutral must be connected because the PowerScout uses line to neutral measurements for all calculations A Typical 230V Single Phase Panel Setup US Wire Colors Connect the Black L1 voltag...

Page 47: ...ld monitor the L1 load CT3 can be used if the Blue L3 voltage lead is connected to L1 CT3 could then monitor any L1 branch circuit System Values System values are the sum of L1 L2 L3 measurements System values may not be meaningful since two different devices or loads can be monitored by a single PowerScout element When paired with the right voltage phase each CT provides individual kW kWh reading...

Page 48: ...llation PowerScout 24 Wiring Diagrams The following diagrams use a PowerScout 24 board for illustration THREE WIRE DELTA Use a Service Type 0 zero value for BACnet Object 12080 or a 0 zero value for Modbus Register 44607 on this wire configuration ...

Page 49: ... Instruments PowerScout 24 Field Installation THREE PHASE FOUR WIRE DELTA WILD LEG Use a Service Type 0 zero value for BACnet Object 12080 or a 0 zero value for Modbus Register 44607 on this wire configuration ...

Page 50: ... connection use a Service Type 0 zero value for BACnet Object 12080 or a 0 zero value for Modbus Register 44607 on this wire configuration For a Single Phase connection use a Service Type 2 value for BACnet Object 12080 or a 2 value for Modbus Register 44607 on this wire configuration ...

Page 51: ...e connection use a Service Type 0 zero value for BACnet Object 12080 or a 0 zero value for Modbus Register 44607 on this wire configuration For a Single Phase connection use a Service Type 2 value for BACnet Object 12080 or a 2 value for Modbus Register 44607 on this wire configuration ...

Page 52: ...52 DENT Instruments PowerScout 24 Field Installation FOUR WIRE WYE Use a Service Type 0 zero value for BACnet Object 12080 or a 0 zero value for Modbus Register 44607 on this wire configuration ...

Page 53: ...CTs are reversed All three LEDs are red all CTs are incorrectly connected The following table describes the PhaseChek error conditions and the appropriate correction PhaseChek Error Table CT1 CT2 CT3 Error Description Correction Setup is correct and the system power factor is greater than 0 55 or All CTs are disconnected Connect the CTs All CTs are incorrectly connected or The system power factor ...

Page 54: ...3 Switch CT 1 with CT 2 or Switch CT 1 with CT 3 CT 2 is swapped with either CT 1 or CT 3 Switch CT 2 with CT 1 or Switch CT 2 with CT 3 CT 3 is swapped with either CT 1 or CT 2 Switch CT 3 with CT 1 or Switch CT 3 with CT 2 CT 1 and CT 3 are reversed Switch the position of the CTs flashing red Table 16 PhaseChek LED Error Resolution ...

Page 55: ... is configured properly The tables display the real time values of Volts Amps KW KVA KVAR apparent power factor aPF and displacement power factor dPF for Phase L1 Phase L2 and Phase L3 This screen also displays the CT Type connected to the PowerScout and the CT Value Click Update to retrieve the values from the PowerScout or Select the Auto Update checkbox to automatically update approximately eve...

Page 56: ...or a basic setup 1 Enter a register object address Refer to the Appendices All Things Modbus or BACnet Objects for a list of registers objects and their descriptions or Click List to select a register object from the Register Object Picker dialog box Use the Register Object Picker dialog box to search for registers objects by name The selected value is entered on the Read Write Registers Read Set ...

Page 57: ...es To reset all BACnet accumulated objects at once Write to object identifier 10140 Clear Accumulated Values current value 1234 To reset all Modbus accumulated registers at once Write to register 44066 Clear Accumulated Measurements current value 1234 In ViewPoint accumulating objects registers can be reset using the Read Set or Read Write tab Click Clear Totals at the bottom of the screen See the...

Page 58: ...six minutes A faster baud rate can be selected to reduce the time by approximately 2 5 minutes The baud rate is synchronized between ViewPoint and the PowerScout meter by clicking the Connect button on the Communications tab The Meter Version UpdateChecking pop up screen displays when a meter is connected if your firmware is out of date and Automatic Checking is enabled If there is a new version a...

Page 59: ...ication When ViewPoint starts it can automatically contact the DENT Instruments web site to get the latest versions available It only checks online when running for the first time or if it has been 7 days since the last check If there is a new version the version number of the new release is displayed 2 Click Browse to access the Select a Firmware Update File dialog box and select the hex file dow...

Page 60: ...r last 2 bytes 44511 4510 Hardware ID Hardware revisions 44069 4068 Firmware Major Revision Major Revision Level big software releases 44070 4069 Firmware Minor Revision Minor Revision Level small software changes CONFIGURATION REGISTERS Modbus Offset Register Description 40129 0128 Synchronize Register Multiple PowerScout s synchronization register 44066 4065 Clear Accumulated Measurements Writin...

Page 61: ...gister value is 1x 44612 4611 Communications Settings Write 1833 to change to BACnet mode 44616 4615 Volts Multiplier Decimal Multiply volts values by this scalar 1000 Volts Multiplier Integer Use with Step down Transformer Affects all parameters that use volts i e kW 50016 10015 CT1 Rogowski mV kA Number of mV per kA for a Rogowski CT 50017 10016 CT2 Rogowski mV kA Number of mV per kA for a Rogow...

Page 62: ... if Service Type 44607 is set to 2 Single Independent 50305 10304 CT3 Amps Multiplier Amps multiplier Multiply amps value by this scalar For use with 5A CTs and single leg monitoring of a three phase load Affects all parameters that use amps e g kW Whole numbers only 50325 10324 CT3 Type Select 1 mV or 2 Rogowski CT3s 50399 10398 CT3 Phase Shift Phase Shift X 100 PULSE OUTPUT INPUT REGISTERS Modbu...

Page 63: ...ter increments If pulse output is enabled it is disabled when this configuration is set Note when pulse is off I O control is enabled 45201 5200 I O port 2 pulse input accumulator LSW Scaled pulse LSW 45202 5201 I O port 2 pulse input accumulator MSW Scaled pulse MSW 45203 5202 I O port 2 pulse input scaling integer Integer scale factor Scale 45203 45204 1000 45204 5203 I O port 2 pulse input scal...

Page 64: ...44007 4006 kW System Min System Minimum Instantaneous kW Lowest kW sample measured 44008 4007 kVARh System LSW System Total Reactive Energy LSW kVARh 44009 4008 kVARh System MSW System Total Reactive Energy MSW kVARh 44010 4009 kVAR System System Total Reactive Power kVAR Unsigned absolute ABS value of ABS kVAR L1 ABS kVAR L2 ABS kVAR L3 44011 4010 kVAh System LSW System Total Apparent Energy LSW ...

Page 65: ...equency Hz 44023 4022 kWh L1 LSW Individual Phase True Energy LSW kWh 44024 4023 kWh L1 MSW Individual Phase True Energy MSW kWh 44025 4024 kWh L2 LSW 44026 4025 kWh L2 MSW 44027 4026 kWh L3 LSW 44028 4027 kWh L3 MSW 44029 4028 kW L1 Individual Phase True Powers kW 44030 4029 kW L2 44031 4030 kW L3 44032 4031 kVARh L1 LSW Individual Phase Reactive Energy LSW kVARh 44033 4032 kVARh L1 MSW Individua...

Page 66: ...ent Powers kVA 44048 4047 kVA L2 44049 4048 kVA L3 44050 4049 Displacement PF L1 Individual Phase displacement Power Factor PF 44051 4050 Displacement PF L2 44052 4051 Displacement PF L3 44053 4052 Apparent PF L1 Individual Phase apparent Power Factors PF 44054 4053 Apparent PF L2 44055 4054 Apparent PF L3 44056 4055 Amps L1 Individual Phase Currents A 44057 4056 Amps L2 44058 4057 Amps L3 44059 4...

Page 67: ...stem Now System Average kVA Demand For the most recent current Demand Window resettable Displays the default value after a CAM or reset or power cycle Updates every min thereafter True demand value takes a demand period to get to actual value Similar to 44005 44084 4083 kVAR Demand System Max System Maximum kVAR Demand kVAR resettable It displays the default value after a CAM until 1 demand window...

Page 68: ...taneous Positive Reactive Power kVAR net sum of all individual kVARs if sum is negative value 0 46011 6010 kVAh System LSW System Apparent Energy LSW resettable 46012 6011 kVAh System MSW System Apparent Energy MSW resettable 46013 6012 kVA System System Instantaneous Apparent Power 46014 6013 Positive Displacement PF System System Positive Displacement Power Factor dPF Register is 100x actual val...

Page 69: ... frequency read 46023 6022 Positive kWh L1 LSW Individual Phase Positive True Energy LSW kWh resettable 46024 6023 Positive kWh L1 MSW Individual Phase Positive True Energy MSW kWh resettable 46025 6024 Positive kWh L2 LSW 46026 6025 Positive kWh L2 MSW 46027 6026 Positive kWh L3 LSW 46028 6027 Positive kWh L3 MSW 46029 6028 Positive kW L1 Individual Phase Instantaneous Positive True Powers kW 460...

Page 70: ...dual Phase Apparent Energy LSW kVAh resettable 46042 6041 kVAh L1 MSW Individual Phase Apparent Energy MSW kVAh resettable 46043 6042 kVAh L2 LSW 46044 6043 kVAh L2 MSW 46045 6044 kVAh L3 LSW 46046 6045 kVAh L3 MSW 46047 6046 kVA L1 Individual Phase Instantaneous Apparent Powers kVA 46048 6047 kVA L2 46049 6048 kVA L3 46050 6049 Positive Displacement PF L1 Individual Phase Positive Displacement Po...

Page 71: ...utral 46062 6061 Time Since Reset LSW Seconds Seconds since kWh kVAh kVARh and associated Demand registers were reset LSW resettable 46063 6062 Time Since Reset MSW Seconds Seconds since CAM MSW 46080 6079 Positive kW System Average Equals Positive KWH_SYSTEM_L M TimeSinceReset_L M seconds 3600 seconds Hr resettable 46081 6080 kW Demand System Minimum Min Average power window kW 46082 6081 kVA Dem...

Page 72: ...ive Draw Since Reset kW resettable 47007 7006 Negative kW System Min System Net Lowest Instantaneous Negative Draw Since Reset kW resettable 47008 7007 Negative kVARh System LSW System Net Negative Reactive Energy LSW kVARh resettable 47009 7008 Negative kVARh System MSW System Net Negative Reactive Energy MSW kVARh resettable 47010 7009 Negative kVAR System System Net Instantaneous Negative React...

Page 73: ...to line voltages 47018 7017 Volts Line to Neutral Avg Average of the system line to neutral voltages 47019 7018 Volts L1 to L2 Individual phase to phase voltages 47020 7019 Volts L2 to L3 47021 7020 Volts L3 to L1 47022 7021 Measured Line Frequency Line frequency x 10 e g 602 60 2 Hz On startup 20 point averaging array is filled with first frequency read 47023 7022 Negative kWh L1 LSW Individual P...

Page 74: ...MSW kVARh resettable 47034 7033 Negative kVARh L2 LSW 47035 7034 Negative kVARh L2 MSW 47036 7035 Negative kVARh L3 LSW 47037 7036 Negative kVARh L3 MSW 47038 7037 Negative kVAR L1 Individual Phase Negative Instantaneous Reactive Powers kVAR 47039 7038 Negative kVAR L2 47040 7039 Negative kVAR L3 47041 7040 kVAh L1 LSW Individual Phase Apparent Energy LSW kVAh resettable 47042 7041 kVAh L1 MSW Ind...

Page 75: ...dual aPF 44053 is Negative this register will contain that value else it will be zero 47054 7053 Negative Apparent PF L2 47055 7054 Negative Apparent PF L3 47056 7055 Amps L1 Individual Phase Instantaneous Currents A 47057 7056 Amps L2 47058 7057 Amps L3 47059 7058 Volts L1 to Neutral Individual Instantaneous Phase to Neutral Voltages V 47060 7059 Volts L2 to Neutral 47061 7060 Volts L3 to Neutral...

Page 76: ...ABS of the NET System Total True Energy LSW kWh 44151 4150 KWh System NET MSW ABS of the NET System Total True Energy MSW kWh 44152 4151 KWh L1 NET LSW ABS of the NET L1 True Energy LSW kWh 44153 4152 KWh L1 NET MSW ABS of the NET L1 True Energy MSW kWh 44154 4153 KWh L2 NET LSW ABS of the NET L2 True Energy LSW kWh 44155 4154 KWh L2 NET MSW ABS of the NET L2 True Energy MSW kWh 44156 4155 KWh L3 ...

Page 77: ...tive of the NET System Total True Energy LSW kWh 47151 7150 KWh System NET NEG MSW Negative of the NET System Total True Energy MSW kWh 47152 7151 KWh L1 NET NEG LSW Negative of the NET L1 True Energy LSW kWh 47153 7152 KWh L1 NET NEG MSW Negative of the NET L1 True Energy MSW kWh 47154 7153 KWh L2 NET NEG LSW Negative of the NET L2 True Energy LSW kWh 47155 7154 KWh L2 NET NEG MSW Negative of the...

Page 78: ...s switch on the PowerScout This must be different for each PowerScout on a single Modbus network The register s high order and low order bits are the 16 bit value of a single or first register to be accessed for a read or write The CRC is the 16 bit CRC value Note that the CRC s LSB and MSB are reversed in comparison to those for the registers and data Read Holding Registers This command reads the...

Page 79: ... high order bits 00 Byte count 02 Starting register address to read low order bits 0C Register value high order bits 00 Number of registers to read high order bits 00 Register value low order bits 00 Number of registers to read low order bits 01 CRC low order bits 70 CRC low order bits 41 CRC high order bits 40 CRC high order bits 9F Table 19 Example for Modbus Command 03 Command 3703000C0001419F ...

Page 80: ...is sent to register 0 Note that offset 0 corresponds to Modbus register 40001 The CRC is 5C8C All values are hexadecimal Example Request Field Name Command Hex Response Field Name Response Hex PowerScout address 37 PowerScout address 37 Command number 06 Command number 06 Register to write high order bits 00 Register written to high order bits 00 Register to write low order bits 00 Register writte...

Page 81: ...e 22 Format for Modbus Command 11 17 in decimal Example Command Example Request Field Name Command Hex Response Field Name Response Hex PowerScout address 37 PowerScout address 37 Command number 11 Command number 11 CRC low order bits D7 Byte count CRC high order bits 8C Slave ID Run indicator status Additional data Table 23 Example for Modbus Command 11 17 in decimal Slave ID The PowerScout uses ...

Page 82: ...rs 14014 BBMD IP Address LSW and 14015 BBMD IP Address MSW NOTE The LSW MSW are in network order For example to set the BBMD server to 192 168 1 100 you would write 43200 0xA8C0 to BBMD IP address LSW object identifier 14014 and 25601 to 0x6401 to BBMD IP address MSW object Identifier 14015 This sends the register as foreign device packet with a Time to Live TTL of 60000 seconds To disable BBMD fo...

Page 83: ...CT Pulse Scalar Changes the scaling of the output pulses 12040 Demand Window Demand window size in minutes default is 15 min 12050 Volts Multiplier Multiply volts values by this scalar For use with stepdown transformer Affects all parameters that use volts 12061 CT1 Amps Multiplier Multiply CT1 amps values by this scalar For use with stepdown transformer Affects all parameters that use amps 12062 ...

Page 84: ...0 Snap Volt Threshold Snap to Zero threshold for voltage Register value is 1x 12121 CT1 Rogowski mV kA Number of mV per kA for a Rogowski CT 12122 CT2 Rogowski mV kA Number of mV per kA for a Rogowski CT 12123 CT3 Rogowski mV kA Number of mV per kA for a Rogowski CT 12131 CT1 Type 1 MilliVolt 2 Rogowski 12132 CT2 Type 1 MilliVolt 2 Rogowski 12133 CT3 Type 1 MilliVolt 2 Rogowski 12134 CT1 Voltage S...

Page 85: ...e input for I O port 2 0 off pulse input disabled 1 rising edge pulse counter increments falling edges are ignored If pulse output is enabled it is disabled when this configuration is set 2 falling edge pulse counter increments rising edges are irnored If pulse output is enabled it is disabled when this configuration is set 3 both edges pulse counter increments If pulse output is enabled it is dis...

Page 86: ...er kW Signed net value of kW L1 kW L2 kW L3 1060 kW System Average Equals kWh System Time Since Reset 3600 seconds Hr resettable 1100 kW System Maximum System Highest Instantaneous Draw Since Reset kW 1130 kW System Minimum System Lowest Instantaneous Draw Since Reset kW resettable 1160 kW L1 Individual Phase True Power kW Signed 1190 kW L2 1220 kW L3 2000 kWh System Total System True Energy kWh U...

Page 87: ...kVARh Signed 5060 kVAR L2 5090 kVAR L3 5120 kVAR Demand System Max System Maximum Instantaneous kVAR Demand kVA resettable It displays the default value after a CAM until 1 demand window elapses After a power cycle or CPU reset the value is not reset but it does not update again until 1 demand window elapses Unsigned Absolute 5130 kVAR Demand System Now Average kVAR demand for most recent window r...

Page 88: ...til 1 demand window elapses Unsigned Absolute 8050 kVA Demand System Now Average kVA for most recent demand window resettable Displays the default value after a CAM or reset or power cycle Updates every min thereafter True demand value takes a demand period to get to actual value Unsigned Absolute 9000 Displacement PF System System Total Power Factor PF Signed 9030 Apparent PF System System Total ...

Page 89: ...table 2010 kWh System Total Positive System True Energy kWh Positive Signed Net 2040 kWh L1 Positive Individual Phase True Energy kWh Signed 2070 kWh L2 Positive 2100 kWh L3 Positive 6010 kVARh System System Total Reactive Energy Signed Net 6020 kVARh System Total Positive System True Energy kVARh Positive Signed Net 6050 kVARh L1 Positive Individual Phase Reactive Energy kVAR Signed 6080 kVARh L2...

Page 90: ...t Instantaneous Negative Draw Since Reset kW resettable 2020 kWh System Total Negative System True Energy kWh Negative Signed Net 2050 kWh L1 Negative Individual Phase True Energy kWh Signed 2080 kWh L2 Negative 2110 kWh L3 Negative 6030 kVARh Sys Negative System Total Reactive Energy Signed Net 6060 kVARh L1 Negative Individual Phase Reactive Energy kVARh Signed 6090 kVARh L2 Negative 6120 kVARh ...

Page 91: ...rface while BACnet or Modbus is the networking protocol DAISY CHAIN LAYOUT FOR RS 485 NETWORK When multiple devices are connected the devices need to be connected in a daisy chain A daisy chain means that all plus connections are chained together and all minus connections are chained together across the network A network containing multiple devices requires a unique address for each device This al...

Page 92: ...ists the Veris registers in the ViewPoint Read Write Registers tab When register 44526 contains a 1 for Veris mode the Slave ID command format is 91hFFh Veris type Full Data Modbus CT value Amp The following is an example command with CT set for 100A 91hFFhVeris H8036 0100 2 Full Data Modbus 100 Amp Example command explanation 91h version control FFh standard for active The 91h and FFh are 4 bytes...

Page 93: ...e to Line Voltage 40008 7 Volts Line to Neutral Avg Average Line to Neutral Voltage 40009 8 Amps System Avg Average current of all phases 40010 9 kW L1 Individual Phase True Powers kW 3 values 40011 10 kW L2 40012 11 kW L3 40013 12 Apparent PF L1 Individual Phase Apparent Power Factors PF 3 values 40014 13 Apparent PF L2 40015 14 Apparent PF L3 40016 15 Volts L1 to L2 Individual Phase to Phase Vol...

Page 94: ...le 25 ViewPoint Register Descriptions VERIS MULTIPLIERS Address Units 100A 101 400A 401 800A 801 1600A 1601 32 000A 40001 kWH LSB 7 8125exp 3 0 03125 0 0625 0 125 0 25 40002 kWH MSB 512 2048 4096 8192 16384 40003 kW 0 004 0 016 0 032 0 064 0 128 40004 kVAR 0 004 0 016 0 032 0 064 0 128 40005 kVA 0 004 0 016 0 032 0 064 0 128 40006 aPF 3 0518exp 5 3 0518exp 5 3 0518exp 5 3 0518exp 5 3 0518exp 5 400...

Page 95: ...OLTS L3 N 0 015625 0 015625 0 015625 0 015625 0 015625 40022 AMPS L1 3 9063exp 3 0 015625 0 03125 0 0625 0 125 40023 AMPS L2 3 9063exp 3 0 015625 0 03125 0 0625 0 125 40024 AMPS L3 3 9063exp 3 0 015625 0 03125 0 0625 0 125 40025 kW 0 004 0 016 0 032 0 064 0 128 40026 kW 0 004 0 016 0 032 0 064 0 128 40027 kW 0 004 0 016 0 032 0 064 0 128 Table 26 Veris Multipliers for Integer Registers 40001 40027...

Page 96: ...MSW System Total Power Factor MSW 40268 267 VERIS Float PF System LSW System Total Power Factor LSW 40269 268 VERIS Float Volts Line to Line Avg MSW Voltage Line to Line Average MSW 40270 269 VERIS Float Volts Line to Line Avg LSW Voltage Line to Line Average LSW 40271 270 VERIS Float Volts Line to Neutral Avg MSW Voltage Line to Neutral Average MSW 40272 271 VERIS Float Volts Line to Neutral Avg ...

Page 97: ...L2 LSW 40289 288 VERIS Float Volts L2 to L3 MSW Phase to Phase Voltage L2 to L3 MSW 40290 289 VERIS Float Volts L2 to L3 LSW Phase to Phase Voltage L2 to L3 LSW 40291 290 VERIS Float Volts L1 to L3 MSW Phase to Phase Voltage L1 to L3 MSW 40292 291 VERIS Float Volts L1 to L3 LSW Phase to Phase Voltage L1 to L3 LSW 40293 292 VERIS Float Volts L1 to Neutral MSW Phase to Neutral Voltage L1 to N MSW 40...

Page 98: ...vg MSW System Average Power MSW 40306 305 VERIS Float kW System Avg LSW System Average Power LSW 40307 306 VERIS Float Demand System Minimum MSW System Minimum Demand MSW 40308 307 VERIS Float Demand System Minimum LSW System Minimum Demand LSW 40309 308 VERIS Float Demand System Maximum MSW System Maximum Demand MSW 40310 309 VERIS Float Demand System Maximum LSW System Maximum Demand LSW Table 2...

Page 99: ...2 34 95 5F 138 8A 181 B5 224 E0 10 0A 53 35 96 60 139 8B 182 B6 225 E1 11 0B 54 36 97 61 140 8C 183 B7 226 E2 12 0C 55 37 98 62 141 8D 184 B8 227 E3 13 0D 56 38 99 63 142 8E 185 B9 228 E4 14 0E 57 39 100 64 143 8F 186 BA 229 E5 15 0F 58 3A 101 65 144 90 187 BB 230 E6 16 10 59 3B 102 66 145 91 188 BC 231 E7 17 11 60 3C 103 67 146 92 189 BD 232 E8 18 12 61 3D 104 68 147 93 190 BE 233 E9 19 13 62 3E ...

Page 100: ...119 77 162 A2 205 CD 248 F8 34 22 77 4D 120 78 163 A3 206 CE 249 F9 35 23 78 4E 121 79 164 A4 207 CF 250 FA 36 24 79 4F 122 7A 165 A5 208 D0 251 FB 37 25 80 50 123 7B 166 A6 209 D1 252 FC 38 26 81 51 124 7C 167 A7 210 D2 253 FD 39 27 82 52 125 7D 168 A8 211 D3 254 FE 40 28 83 53 126 7E 169 A9 212 D4 255 41 29 84 54 127 7F 170 AA 213 D5 42 2A 85 55 128 80 171 AB 214 D6 43 2B 86 56 129 81 172 AC 215...

Page 101: ...Base Address Switches field to 00 2 On the PowerScout set the address switches to 00 3 Power up the meter With both settings at 00 ViewPoint and the PowerScout will communicate at a 9600 baud rate regardless of a baud rate mismatch Communications is established 4 Next select the desired baud rate in ViewPoint from the Baud Rate drop down list This synchronizes the baud rates between ViewPoint and ...

Page 102: ... communication failure Check for wiring and cabling issues with the RS 485 adapter Check for polarity frayed wires and or pinched insulation Verify that the dip switches on the back of the USB to RS 485 adapter are set to the following Reboot the computer Click Connect on the Communications tab to reestablish communications ...

Page 103: ...e electrical room picture of meter installed along with CT installation and Voltage connection Using ViewPoint verify the PowerScout setup is correct Are the CTs installed on the correct voltage phase Does the CT Type setting match the CT used Does the CT Amp setting match the CT used Does the CT Phase Shift match the table at bottom of check list for the CT used also included in the manual Verify...

Page 104: ...l read exactly the same Digital Voltmeters DVM Does the meter phase voltages match the DVM s Clamp on Amp meters e g Amprobe Do the meter phase currents match the clamp on Amp meter Clamp on Power Meters e g Fluke 41 Do the meter phase watts match the clamp on Power Meter Communications with Meter Can communication be made to the meter Final Are all cabinet doors closed locked and all screws in pa...

Page 105: ... CT SHS 0015 0 50 0 50 Hinge Mini CT HSC 020 CT HSAC 050 0 75 0 75 Hinge MIDI CT HMC 0100 CT HMC 0200 0 12 0 30 Revenue Grade Toroidal Solid Core CT RGT12 0005 CT RGT12 0020 CT RGT12 0050 CT RGT12 0100 0 00 0 00 0 00 0 00 Revenue Grade Split Core CT SRS 005 CT SRS 050 CT SRL 100 CT SRL 200 CT SRL 400 0 10 0 23 0 06 0 06 0 06 Recommended CT Phase Shift Values If at any time you have questions or co...

Page 106: ...n be connected together on a Modbus RTU network How is hexadecimal HEX to decimal converted Use the Decimal to Hexadecimal conversion table in Appendix D of this manual What is true RMS RMS stands for Root Mean Square True RMS is the power from AC voltage current that will produce the equivalent amount of heat in a resistor as a DC voltage current whether sinusoidal or not For example if a resisti...

Page 107: ...n integer format without any fixed number of decimal points Simply putting a value directly into one of these registers would limit the smallest number to 1 and only allow for a maximum value of 65535 To handle larger numbers or numbers with better resolution we use a scalar value to apply a factor in multiples of 10 to the 16 bit data register value How do I update the firmware in BACnet mode If ...

Page 108: ...lues Then it will record that value as the demand Digital Output The PowerScout meter has an output port for each element The ports can be used to output kWh kVARh or kVAh pulses to external devices or to toggle on and off to control a remote device or relay Discovery In BACnet devices and the objects they expose can be found through a discovery process This means that devices and objects do not n...

Page 109: ...as data loggers that can accept pulses but do not have Modbus capability The PowerScout can generate pulses based on accumulated value s such as system kWh system kVARh and system kVAh Rising edge Transition of the input signal from low to high RMS Root Mean Square True RMS is the AC voltage current that produces the equivalent amount of heat in a resistor as a DC voltage current whether sinusoida...

Page 110: ...communicationssetup 32 configuration objects 83 configuration registers 60 connecting cables 17 connecting voltage 45 connections dynamic 24 static 24 conversion table decimal to hexadecimal 99 C TAmp rating VERIS 92 C TC onnections millivolt 42 RoCoil 43 C Tphase shift recommended values 29 C Ts orientation 43 polarity 45 wiring 41 D daisy chain layout 91 data scalar 30 decimal to hexadecimal con...

Page 111: ...surement 86 configuration 83 meter specific 82 negative power energy measurement 90 output port 40 positive power energy measurement 89 pulse output input 85 read write 56 resetting 57 output port registers objects 40 P peak demand 27 Phase Shift Values recommended 105 PhaseC hek 53 error resolution table 54 polarity C Ts 45 port error 101 ports connecting 33 positive power energy measurement obje...

Page 112: ...el setup 47 230V panel setup 46 single phase connection 46 software installing 16 specifications 14 static connection 24 system values 47 T technical specifications 14 Three wire Delta 48 troubleshooting baud rate error 101 communication issues 101 firmware update fail 101 port error 101 U USB connecting 17 V VERISEmulation 92 VERISModbusfloating point registers 96 VERISModbusinteger registers 93 ...

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Summary of Contents for PowerScout 24

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DENT Instruments PowerScout 24, Operator'S Manual, Page: 64 / 112

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Summary of Contents for PowerScout 24

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