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Appendix B—Connecting to a Network

This section describes setting up a network with multiple PowerScout instruments using the BACnet or

Modbus communication protocol. A network can support up to 127 PowerScout 3 Plus instruments

using the BACnet protocol and 247 PowerScout 3 Plus instruments using the Modbus protocol. 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 PS 24 meters may be connected to

Modbus.

OMMUNICATION

ROTOCOL

BACnet MS/TP and Modbus RTU are standard communication protocols that allow for communication

between a client and multiple devices connected to the same network. RS-485 is the protocol standard

used by PowerScout meters as the hardware’s serial interface while BACnet or Modbus is the

communication protocol.

AISY

HAIN

AYOUT FOR

RS-485

ETWORK

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 allows the master

device to identify and communicate with each slave. The BACnet/Modbus network administrator must

assign a unique network address to each PowerScout 3 Plus using the rotary switches SW1-SW2 and to

each PowerScout 24 using the rotary switches SW1, SW2, and SW3.
Other network layouts are not recommended when using the RS-485 standard.

ETWORKING

SING THE

BAC

NET

ODBUS

ROTOCOL

Install the BACnet/Modbus cable.

Set a unique address for each device using the table in Appendix C.

Shop for Dent products online at:

1.877.766.5412

www.

PowerMeterStore

.com

Содержание PowerScout 24

Страница 1: ...Operator s Guide PowerScout Power Meters Includes PowerScout 3 Plus PowerScout 24 and ViewPoint 3 0 Software December 11 2013 Shop for Dent products online at 1 877 766 5412 www PowerMeterStore com ...

Страница 2: ...truments PowerScout 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 Dr Bend Oregon 97702 USA Phone 541 388 4774 Fax 541 385 9333 www DENTInstruments com ii Shop for Dent products online at 1 877 766 5412 www PowerMeterStore com ...

Страница 3: ... Leads and CTs 14 CT Wire Lead Polarity 17 Connecting a Communication Cable 18 Connecting via a RS 485 Adapter 18 Installing the RS 485 Adapter to a Computer 19 Connecting via an Ethernet Cable PowerScout 3 Plus only 20 Powering the PowerScout Meter 22 PowerScout Single Phase Connections 22 COM Communications LED 23 PS3 Serial 23 PS3 Ethernet 23 PS24 23 PhaseChek 24 Verifying the PowerScout Meter ...

Страница 4: ...3 only 40 Communication Error 42 Meter Setup 43 Entering Wiring Information for an Element 44 Real Time Values 46 Using Real Time Values to Verify Setup 46 Read Write Registers Read Set Objects 47 Resetting BACnet Objects Modbus Registers 48 Firmware 49 APPENDICES 50 Appendix A PowerScout Meter Wiring Diagrams 50 PowerScout 3 Plus Wiring Diagrams 51 PowerScout 24 Wiring Diagrams 55 Appendix B Conn...

Страница 5: ...t Value Measurement Objects 89 Positive Power Energy Measurement Objects 92 Negative Power Energy Measurement Objects 93 Appendix F Digital I O Functions 94 Digital Pulse Outputs 94 Digital Pulse Inputs 97 Appendix G Firmware Updates 100 Installing Firmware Updates for the PowerScout 100 Downloading and Installing Firmware 100 Appendix H VERIS H8035 H8036 Emulation 101 VERIS Modbus Integer Registe...

Страница 6: ...ing and recording power usage at multiple locations within a single site Up to 247 meters may be connected to Modbus There are two configurable digital pulse output ports on the PS3 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 POWERSCOUT 24 The PowerScout 24 is capable of reading eight elements at a time an...

Страница 7: ...ice 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 1 De energize the circuit to be monitored 2 Connect the CTs to the phases being monitored 3 Connect the voltage leads to the different p...

Страница 8: ...not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of 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 interferenc...

Страница 9: ... 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 signification En faisant la connexion du PowerScout à une prise de courant alternatif suivez ces étapes en ordre pour empêcher un risque de choc 1 Déchar...

Страница 10: ...streur peut se produire si des TC pas shuntée sont utilisés Utiliser seulement les CTs des DENT Instruments suivants qui sont énumérés jusqu au 600V CATIII CT HSC 020 U CT HSC 050 U CT HMC 0100 U CT HMC 0200 U L équipement protégé en double isolation IEC 536 Classe II Pas d accessoires approuvés pour une utilisation avec le PowerScout sauf ceux spécifiés par DENT Instruments dans ses documentation...

Страница 11: ...rs for each phase and for system total Accuracy PS3 0 2 0 1 typical ANSI C12 20 2010 Class 0 2 PS24 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 current on the same phase Red ...

Страница 12: ... 10 9 x 7 4 x 5 1 ViewPoint 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 PS3 Plus UL and CE Mark Conforms to UL Std 61010 1 Certified to CSA Std C22 2 No 61010 1 PS3 Plus Ethernet UL and CE Mark Confor...

Страница 13: ...4 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 mounting PowerScout 3 mounted within electrical panel Mounting tab located on e...

Страница 14: ... 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 Wiring Connections Ethernet RS 485 Voltage Leads and CTs 1 Connect with an Ethernet cable to a computer or Connect the RS 485 adapter to the computer using the USB cable and by inserting each white ferrule int...

Страница 15: ...or s See the following CT Type Wiring Connections table for the correct wiring configuration CT Type Wiring Connections Split Core 2 wire PowerScout 3 PowerScout 24 15 Shop for Dent products online at 1 877 766 5412 www PowerMeterStore com ...

Страница 16: ...tion about the CT LEDs and verifying the CT installation 5 Connect the PowerScout meter 14 AWG THHN or equivalent wires as close as possible to a building installed dedicated circuit disconnect breaker Mark the breaker as the disconnect for the PowerScout Refer to the wiring diagrams in the Appendix for specifics of the wiring connections Follow local electrical codes during this installation Powe...

Страница 17: ...ki RōCoil White Brown Split Core mV White Black Clamp On mV Red Black Table II 1 CT Polarity NOTE The directionality for Rogowski CTs is the arrow points toward the load e g motor 17 Shop for Dent products online at 1 877 766 5412 www PowerMeterStore com ...

Страница 18: ...n of a communication cable and the ViewPoint software can be completed and tested with a meter prior to the field installation CONNECTING VIA A RS 485 ADAPTER To complete the connection between the PowerScout meter and the computer the three wires coming from the RS 485 adapter are plugged into the PowerScout Insert each white ferrule into the appropriate RS 485 connection on the PowerScout The re...

Страница 19: ...port on the computer 2 Insert the CD that came with the RS 485 adapter into your 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 19...

Страница 20: ... 2 Select Ethernet TCP IP to gather information via a network connection When selected the Communications Setup screen changes and an IP Address is required 3 Select Modbus as your mode of communication 4 Enter the IP Address for the Ethernet connection of the meter or select one of the previously used addresses from the drop down list The Scan Network button scans the network for possible meters ...

Страница 21: ... Subnet Mask and Gateway Address fields d Select Modbus from the Mode drop down list e Click Update Logger ViewPoint displays the following message when the connection is successful 5 Enter the Port connected to the PowerScout A checkbox is available to make the port the default Different networks may require different ports See your network administrator DID YOU KNOW DENT Instruments uses well kn...

Страница 22: ...PS24 does not have colored leads included The following lead colors pertain to the PowerScout 3 only Connect the Black L1 voltage lead to Voltage L1 Red L2 voltage lead to L2 voltage White Neutral voltage lead to neutral CT1 would monitor L1 loads and CT2 would monitor L2 loads Based on the above guidelines CT3 can be used if the Blue L3 voltage lead is connected to either L1 or L2 As long as volt...

Страница 23: ...ble has a Link LED on its connector that glows amber when connected to the network and flashes green during Ethernet traffic BACnet Modbus Description Steady Green Power is applied to the meter Flashing Green The meter is communicating Table II 2 PS3 Ethernet COM LED Signals PS24 BACnet Modbus Description Steady Green Steady Green Power is applied to the meter Flashing Green The meter is communica...

Страница 24: ...there is a phasing connection error Two LEDs are red and one is green two 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 1 Patent No 7 612 552 U S Patent and Trademark Office DID YOU KNOW If the total system power factor is less than 0 55 the LEDs will be red even if connected pro...

Страница 25: ...nected properly indicating a light load CT 2 and CT 3 are reversed Switch the position of the CTs flashing red CT 1 and CT 2 are reversed Switch the position of the CTs flashing red CT 1 is swapped with either CT 2 or CT 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 S...

Страница 26: ...PowerScout Meter Diagrams THE POWERSCOUT 3 PLUS Serial PowerScout 3 Plus Ethernet PowerScout 3 Plus 26 Shop for Dent products online at 1 877 766 5412 www PowerMeterStore com ...

Страница 27: ...or Digital Port Connections BACnet Modbus address switches on Serial meter no switches on Ethernet meter Communication LED Terminal Block for RS 485 Connection Terminal Block for Current Transformer CT Connections PhaseChek LEDs Ethernet Port Connection 27 Shop for Dent products online at 1 877 766 5412 www PowerMeterStore com ...

Страница 28: ...wiring diagrams are available in the appendix Figure II 4 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 Current Voltage 28 Shop for Dent products online at 1 877 766 5412 www PowerMeterStore com ...

Страница 29: ...THE POWERSCOUT 24 PowerScout 24 bare board PowerScout 24 in a NEMA enclosure 29 Shop for Dent products online at 1 877 766 5412 www PowerMeterStore com ...

Страница 30: ...30 Shop for Dent products online at 1 877 766 5412 www PowerMeterStore com ...

Страница 31: ...e wiring diagrams are available in the appendix Figure II 5 Three Phase 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 31 Shop for Dent products online at 1 877 766 5412 www PowerMeterStore com ...

Страница 32: ...r an RS 485 adapter or via the Ethernet These determinations figure into how you set up the PowerScout meter for operation BACnet vs Modbus Set the network address switches on the meter to either Modbus or BACnet Customer supplied logger vs ViewPoint Communication configuration must be set up in the ViewPoint software even if you use a separate logger to record data RS 485 vs Ethernet The type of ...

Страница 33: ...rotary decimal network address switches on the PowerScout 24 used to select the BACnet Modbus address the client uses to communicate with the PowerScout The BACnet MS TP MAC and 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 Hexadecimal Address PS3 Decimal Address PS24 BACnet Address Availab...

Страница 34: ...esignate an element on the PS24 In Modbus mode the decimal network switches set 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...

Страница 35: ... the ViewPointSetup exe program Start the installer by double clicking ViewPointSetup exe COMMUNICATION SETUP ViewPoint can read information through a RS 485 isolated COM port or an Ethernet connection PS 3 Plus only When the RS 485 connection is selected a base address is required the base address is the rotary switch settings When the Ethernet connection is selected an IP address is required The...

Страница 36: ... following a RS 485 driver installation If a RS 485 port does not appear in the drop down list the RS 485 was not installed correctly Ethernet TCP IP Connection PS3 Only 1 Select Ethernet TCP IP as your Communication type 2 Select Modbus or BACnet as your communication protocol 3 Enter an IP address into the IP Address text box or select one from the drop down list The Scan Network button allows y...

Страница 37: ...on Protocol The PowerScout communicates using the BACnet MS TP or Modbus RTU protocols via the RS 485 Ethernet interface To establish communication with a RS 485 the settings must meet the following requirements The Modbus BACnet address on the PowerScout and in the ViewPoint software must be set to the same value Refer to Using the ViewPoint Software to set the address on the Communications tab a...

Страница 38: ... once again VIEWPOINT SCREENS ViewPoint has five screens accessed by tabs Click on any tab to display that screen Communications provides the setup parameters that enable ViewPoint to communicate with the PowerScout Meter Setup enables current transformer CT type and amperage rating changes Real Time Values displays the current readings for verifying the system is configured properly Read Write Re...

Страница 39: ... communication protocol When Modbus is selected as the communication protocol the Communications screen displays a Modbus PC COM Port section for entering port information Enter a Base Address of the meter on the upper and lower address switches Available Modbus addresses range from 01 hex 01 to 247 hex F7 max The 00 setting is used to default the PowerScout communications mode to Modbus 9600 baud...

Страница 40: ...e Model Number Serial Number and Firmware Version of the PowerScout NOTE If ViewPoint was installed first it needs to be restarted following a RS 485 driver installation If a RS 485 port does not appear in the drop down list the RS 485 was not installed correctly SETTING ETHERNET COMMUNICATION PARAMETERS PS3 ONLY 1 Select PowerScout 3 as the meter type 2 Select Ethernet TCP IP to gather informatio...

Страница 41: ... Subnet Mask and Gateway Address fields d Select Modbus from the Mode drop down list e Click Update Logger ViewPoint displays the following message when the connection is successful 5 Enter the Port connected to the PowerScout A checkbox is available to make the port the default Different networks may require different ports See your network administrator DID YOU KNOW DENT Instruments uses well kn...

Страница 42: ...list indicates the PowerScout is not properly connected or the required software driver is not installed Modbus Base Address Switch does not match the selected hex switch settings on the PowerScout change the switch settings The selected Baud Rate does not match the PowerScout baud rate change the baud rate For more information refer to the Appendix Troubleshooting Communication Issues 42 Shop for...

Страница 43: ...quency of 50 60 is selectable The Meter Setup screen is blank when first accessed Click Retrieve Meter Setup to view the current status of the element s The Element Status dialog box displays while the element is read There are slight differences in the screen depending on which meter type PS3 PS24 is connected For instance the screen shot above is for a PS3 as the PS24 only has one digital output...

Страница 44: ... amount of time 1 60 minutes into the Demand Window and selecting a Line Frequency from the drop down list Use the following steps within an element 1 Select WYE or DELTA as the wiring connection A WYE connection automatically displays all three CTs Any changes made to CT1 also apply to CT2 and CT3 Wye Wiring Connection 44 Shop for Dent products online at 1 877 766 5412 www PowerMeterStore com ...

Страница 45: ...s Enter the amperage rating CT Phase Shift Enter in degrees the phase shift of the CT The default is 1 1 3 Select a Digital Output from the drop down list See Pulse Output Port Function in the Appendix Other Functions for more information Copying CT Wiring Connections You can also duplicate changes made to one element to another element Click Copy within the Element that you want to duplicate The ...

Страница 46: ...d the CT Value Click Update to retrieve the values from the PowerScout or Select the Auto Update checkbox to automatically update approximately every 20 seconds USING REAL TIME VALUES TO VERIFY SETUP Values displayed for Volts Amps KW etc should make sense meaning the values in the table are relevant for the service being measured This indicates the PowerScout setup is correct It may also be usefu...

Страница 47: ... 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 Objects screen 2 Click Read to see the current value 3 Enter a new value in the New Value field 4 Click Write to change t...

Страница 48: ...To reset all BACnet accumulated objects at once Write to object identifier 10140 Clear Accumulated Values current value 1234 0 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 tables in the Appendices for a list all of the objects registers available on the PowerScout meters 48 Shop for Dent product...

Страница 49: ...mode and is used to bring the software up to date See the appendix Firmware 1 Click Show Version to see which version of firmware is currently loaded in meter If a later version of firmware is available download it from the DENT Instruments website 2 Click Browse to access the Select a Firmware Update File dialog box and select the hex file downloaded from the website 3 Click Update to download th...

Страница 50: ... BY QUALIFIED PERSONNEL HAZARDOUS VOLTAGES EXIST ATTENTION LE POWERSCOUT ne doit être branché QUE par un personnel qualifié TENSIONS DANGEREUSES sont présentEs DANGER THE UNENCLOSED POWERSCOUT BOARD REQUIRES EXTRA CAUTION WHEN CONNECTING LIFE THREATENING VOLTAGES EXCEEDING 600 VOLTS MAY EXIST ON THE BOARD THE RISK OF SERIOUS INJURY OR DEATH SHOULD NOT BE UNDERESTIMATED DANGER LA PLAQUETTE DE CIRCU...

Страница 51: ...e A 1 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 Current Voltage 51 Shop for Dent products online at 1 877 766 5412 www PowerMeterStore com ...

Страница 52: ...le Phase Use a Service Type 0 zero value for BACnet Object 12080 or a 0 zero value for Modbus Register 44607 on this wire configuration Current Voltage 52 Shop for Dent products online at 1 877 766 5412 www PowerMeterStore com ...

Страница 53: ...gle Phase Use a Service Type 0 zero value for BACnet Object 12080 or a 0 zero value for Modbus Register 44607 on this wire configuration Current Voltage 53 Shop for Dent products online at 1 877 766 5412 www PowerMeterStore com ...

Страница 54: ...se 4 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 54 Shop for Dent products online at 1 877 766 5412 www PowerMeterStore com ...

Страница 55: ...t 24 board for illustration Figure A 5 Three Phase 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 55 Shop for Dent products online at 1 877 766 5412 www PowerMeterStore com ...

Страница 56: ...ase Four 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 56 Shop for Dent products online at 1 877 766 5412 www PowerMeterStore com ...

Страница 57: ...ect 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 57 Shop for Dent products online at 1 877 766 5412 www PowerMeterStore com ...

Страница 58: ...ject 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 58 Shop for Dent products online at 1 877 766 5412 www PowerMeterStore com ...

Страница 59: ...e s serial interface while BACnet or Modbus is the communication 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 e...

Страница 60: ... the Read Write Registers tab in ViewPoint 3 Enter 44612 into the Register field or click List to select from the Register Picker List 4 In the New Value field enter 1833 to change to BACnet mode 5 Click Write 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 Re...

Страница 61: ...actory Default 5 Next set SW2 PS3 or SW3 PS24 to one of the following baud rates Upper Network Address Switch Baud Rate PhaseChek LED L1 PhaseChek LED L2 PhaseChek LED L3 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 After powering up the PowerScout 3 Plus you will ha...

Страница 62: ...s 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 D 1 Data Scalars and Values for Registers 44001 thru 44061 The data scalar is stored in register 44602 When selecting a data scalar the following guidelines need to be considered If the data scalar selected is too low an incorrect data result is returned f...

Страница 63: ...ts 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 watts 1 440kW Check the register s value using the data scalar 1...

Страница 64: ... 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 DEVICE REGISTERS Modbus Offset Register Description 44201 4200 Model Number 1st 2 bytes Model Name 10 bytes AS...

Страница 65: ... value of all CTs Writes same value to Registers 50100 50200 50300 44601 PS3 only 4600 CT Decimal All Decimal value of all CTs Writes same value to Registers 50100 50200 50300 44602 4601 Data Scalar A Value of 0 6 that changes the scaling of certain registers 44603 4602 Demand Window Size Demand window size in minutes default is 15 min 44604 4603 Volts Multiplier Multiply volts values by this scal...

Страница 66: ...ingle leg monitoring of a three phase load Affects all parameters that use amps e g kW Whole numbers only 50125 10124 CT1 Type Select 1 mV or 2 Rogowski CT1s 50199 10198 CT1 Phase Shift Phase Shift X 100 50200 10199 CT2 Integer Integer part of CT2 50201 10200 CT2 Decimal Fractional part of NV_CT2 50204 PS24 only 10203 CT2 Voltage Source Voltage source Select voltage phase to associate with CT for ...

Страница 67: ...1 output control when used as an on off open closed switch 0 output LOW closed 1 output HIGH open default Register 45110 must 0 to use 44403 PS3 only 4402 Port 2 output control when used as an on off open closed switch 0 output LOW closed 1 output HIGH open default Register 45210 must 0 to use 45100 PS24 only 5099 Configures the pulse input for I O port 1 0 off pulse input disabled 1 rising edge p...

Страница 68: ...dges pulse counter increments If pulse output is enabled it is disabled when this configuration is set Note when pulse is off I O control is enabled Setting this register to a value other than 0 forces register 45210 to 0 45201 PS24 only 5200 I O port 2 pulse input accumulator LSW Scaled pulse LSW 45202 PS24 only 5201 I O port 2 pulse input accumulator MSW Scaled pulse MSW 45203 PS24 only 5202 I O...

Страница 69: ...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 ...

Страница 70: ...s Line to Neutral Avg Voltage Line to neutral volts Average 44019 4018 Volts L1 to L2 Individual Phase to Phase Voltages 44020 4019 Volts L2 to L3 44021 4020 Volts L1 to L3 44022 4021 Line Frequency Line Frequency 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...

Страница 71: ...gy MSW kVAh 44043 4042 kVAh L2 LSW 44044 4043 kVAh L2 MSW 44045 4044 kVAh L3 LSW 44046 4045 kVAh L3 MSW 44047 4046 kVA L1 Individual Phase Apparent 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 ...

Страница 72: ...82 4081 kVA Demand System Max System Maximum Instantaneous kVA 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 44083 4082 kVA Demand System Now System Average kVA Demand For the most recent current Demand Window resettable Displays the def...

Страница 73: ...tem Min System Net Lowest Instantaneous Positive Draw Since Reset kW resettable 46008 6007 Positive kVARh System LSW System Net Positive Reactive Energy LSW kVARh resettable 46009 6008 Positive kVARh System MSW System Net Positive Reactive Energy MSW kVARh resettable 46010 6009 Positive kVAR System System Net Instantaneous Positive Reactive Power kVAR net sum of all individual kVARs if sum is nega...

Страница 74: ... system line to neutral voltages 46019 6018 Volts L1 to L2 Individual phase to phase voltages 46020 6019 Volts L2 to L3 46021 6020 Volts L3 to L1 46022 6021 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 46023 6022 Positive kWh L1 LSW Individual Phase Positive True Energy LSW kWh resettable 46024 6023 Positive kWh...

Страница 75: ...itive kVARh L2 MSW 46036 6035 Positive kVARh L3 LSW 46037 6036 Positive kVARh L3 MSW 46038 6037 Positive kVAR L1 Individual Phase Positive Instantaneous Reactive Powers kVAR 46039 6038 Positive kVAR L2 46040 6039 Positive kVAR L3 46041 6040 kVAh L1 LSW Individual Phase Apparent Energy LSW kVAh resettable 46042 6041 kVAh L1 MSW Individual Phase Apparent Energy MSW kVAh resettable 46043 6042 kVAh L2...

Страница 76: ...e it will be zero 46054 6053 Positive Apparent PF L2 46055 6054 Positive Apparent PF L3 46056 6055 Amps L1 Individual Phase Instantaneous Currents A 46057 6056 Amps L2 46058 6057 Amps L3 46059 6058 Volts L1 to Neutral Individual Instantaneous Phase to Neutral Voltages V 46060 6059 Volts L2 to Neutral 46061 6060 Volts L3 to Neutral 46062 6061 Time Since Reset LSW Seconds Seconds since kWh kVAh kVAR...

Страница 77: ...W System Negative True Energy MSW kWh resettable 47003 7002 Negative kW System System Negative Instantaneous Negative True Power kW net sum of all individual kWs if sum is positive value 0 47004 7003 kW Demand System Max System Maximum Demand peak demand 47005 7004 kW Demand System Now Average Power kW for most recent demand window 47006 7005 Negative kW System Max System Net Highest Instantaneous...

Страница 78: ...m System Negative Apparent Power Factor aPF Register is 100x actual value If the System aPF 44015 is Negative this register will contain that value else it will be zero 47016 7015 Amps System Avg Average of the current in all phases 47017 7016 Volts Line to Line Avg Average of the system line to line voltages 47018 7017 Volts Line to Neutral Avg Average of the system line to neutral voltages 47019...

Страница 79: ...9 Negative kW L2 47031 7030 Negative kW L3 47032 7031 Negative kVARh L1 LSW Individual Phase Negative Reactive Energy LSW kVARh resettable 47033 7032 Negative kVARh L1 MSW Individual Phase Negative Reactive Energy 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 Indiv...

Страница 80: ...this register will contain that value else it will be zero 47051 7050 Negative Displacement PF L2 47052 7051 Negative Displacement PF L3 47053 7052 Negative Apparent PF L1 Individual Phase Negative Apparent Power Factors aPF Register is 100x actual value If the Individual aPF 44053 is Negative this register will contain that value else it will be zero 47054 7053 Negative Apparent PF L2 47055 7054 ...

Страница 81: ...settable 47081 7080 kW Demand System Minimum Min Average power window kW 47082 7081 kVA Demand System Maximum Maximum Instantaneous kVA Demand kW resettable 47083 7082 kVA Demand System Now System Average kVA Demand for the most recent current Demand Window resettable 47084 7083 kVAR Demand System Max System Maximum kVAR Demand kVAR resettable It displays the default value after a CAM until 1 dema...

Страница 82: ...nt 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 contents of a contiguous block of holding regi...

Страница 83: ...its 70 CRC low order bits 41 CRC high order bits 40 CRC high order bits 9F Table D 5 Format for Modbus Command 03 Command 3703000C0001419F Response 37030200007040 The response is from the PowerScout at address 37 Two bytes were read from the requested register 000C The value of the registers read was 0000 The CRC value was 4070 The number of registers read must be between 1 and 125 inclusive DID Y...

Страница 84: ...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 written to low order bits 00 Register value to write high order bits ...

Страница 85: ...s D7 Byte count CRC high order bits 8C Slave ID Run indicator status Additional data Table D 9 Format for Modbus Command 11 17 in decimal Slave ID The PowerScout uses the following default format for the slave ID 00hFFhDENT Instruments PowerScout 3 Serial Number FW Rev Major Revision Minor Revision Scalar X 00hFFhDENT Instruments PowerScout 24 Serial number FW Rev Major Revision Minor Revision Sca...

Страница 86: ...setup object instances 14000 to 14999 DEVICE OBJECTS Object Identifier Name Description 10080 Hardware ID Hardware revisions 10090 Features New features 10130 Reset Processor Processor reset 10150 PowerScout Element ID Used for ViewPoint to determine which element is being read total number of elements available Element index multiplied by 256 number of elements CONFIGURATION OBJECTS Object Identi...

Страница 87: ... Multiplier Multiply CT3 amps values by this scalar For use with stepdown transformer Affects all parameters that use amps 12070 Com Settings Baud 900 9600 1900 19200 3800 38400 5700 57600 7600 76800 11500 115200 Parity Add 00 NO Add 10 ODD Add 20 EVEN Stop bit Add 0 1 UART does not permit 0 stop bits Add 1 1 Add 2 2 E g 901 9600 baud no parity 1 stop bit 12080 Service Type A value of 1 configures...

Страница 88: ...ster 45110 to 0 13050 PS24 only I O port 1 pulse input accumulator Scaled pulse 13060 PS24 only I O port 1 pulse input x1000 decimal fraction of scale factor 13070 PS24 only Configures the pulse 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 puls...

Страница 89: ... 1 normally closed LOW ABSOLUTE NET VALUE MEASUREMENT OBJECTS System sum of three phases Object Identifier Name Description System sum of three phases 1000 kW Demand System Maximum System Maximum Demand peak demand Unsigned Absolute 1010 kW Demand System Now Average Power kW for most recent demand window Unsigned Absolute 1020 kW Demand System Minimum Min Average power window kW Unsigned Absolute ...

Страница 90: ... to L3 3050 Volts L1 to Neutral Individual Phase to Neutral Voltages V 3060 Volts L2 to Neutral 3070 Volts L3 to Neutral 4010 Amps System Average Average of all phases 4020 Amps L1 Individual Phase Currents A 4030 Amps L2 4040 Amps L3 5000 kVAR System System Total Reactive Power kVAR Unsigned absolute ABS value of ABS kVAR L1 ABS kVAR L2 ABS kVAR L3 5001 kVAR System Net System Total Reactive Power...

Страница 91: ...1 kVA System Net System Net Apparent Power kVA Signed net value of kVA L1 kVA L2 kVA L3 8010 kVA L1 Individual Phase Apparent Powers kVA signed 8020 kVA L2 Sign is set to the sign of the kW 8030 kVA L3 8040 kVA Demand System Max System Maximum Instantaneous kVA 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 i...

Страница 92: ...inimum Positive System Lowest Instantaneous Positive Draw Since Reset kW resettable 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 605...

Страница 93: ...h 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 L3 Negative 7002 kVAh System Total Negative System Total Negati...

Страница 94: ...ed by the meter the orange LEDs will briefly flash otherwise they will remain dark The PowerScout 24 does not have pulse output LEDs The BACnet pulse output 12030 is scaled by the same data scalar as the Modbus register 44602 For example when the data scalar is set to 3 each pulse will represent 1 kWh 1kVAh and 1kVARh Data Scalar Pulse Scalar Value kWh kVAh kVARh 0 00001 00001 00001 1 001 001 001 ...

Страница 95: ...stem kVAh pulses 45111 45311 5110 5310 Port 1 pulse output relay type 0 normally open HIGH 1 normally closed LOW Table F 2 Modbus Digital Port 1 Pulse Output Modbus Register Offset Register Name Detailed Description 44403 4402 Port 2 output control when used as an on off open closed switch 0 output LOW closed 1 output HIGH open default Register 45210 must 0 to use 45210 5209 Digital Port 2 Configu...

Страница 96: ...osed switch 44001 System kWh pulses 44008 System kVARh pulses 44011 System kVAh pulses 13110 15010 Port 1 pulse output relay type 0 normally open HIGH 1 normally closed LOW Table F 4 BACnet Digital Port 1 Pulse Output PS3 Object Identifier Name Detailed Description 13030 Port 2 output control when used as an on off open closed switch 0 output LOW closed 1 output HIGH open default Object 13150 pres...

Страница 97: ...O port 1 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 ignored 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 disabled when thi...

Страница 98: ... configuration is set 3 both edges pulse counter increments If pulse output is enabled it is disabled when this configuration is set Note when pulse is off I O control is enabled Setting this register to a value other than 0 forces register 45210 to 0 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...

Страница 99: ... 13060 I O port 1 pulse input scaling x1000 decimal fraction of scale factor Table F 8 BACnet Port 1 Pulse Input BACnet Identifier Object Name Detailed Description 13070 Configures the pulse 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 co...

Страница 100: ...endix I 3 Select the baud rate for loading the firmware to the PowerScout meter A baud rate of 9600 downloads the firmware to the PowerScout in approximately six minutes A faster baud rate can be selected to reduce the time by approximately 2 5 minutes Change the baud rate using the Communications tab and selecting the desired baud rate The baud rate is synchronized between ViewPoint and the Power...

Страница 101: ...s 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 in front of the string that are not displayed in the RTU CT ...

Страница 102: ...ine 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 Voltages Volts Delta 3 values 40017 16 Volts L2 to L3 40018 17 V...

Страница 103: ...ess 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 40007 VOLTS L L 0 03125 0 03125 0 03125 0 03125 0 03125 40008 V...

Страница 104: ...MPS 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 H 3 Veris Multipliers for Integer Registers 40001 40027 Per the Veris implementation to obtain true engineering unit...

Страница 105: ...ystem 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 LSW Voltage Line to Neutral Average LSW 40273 272 VERIS Floa...

Страница 106: ...se 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 40294 293 VERIS Float Volts L1 to Neutral LSW Phase to Neutral...

Страница 107: ... 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 107 Shop for Dent products online at 1 877 7...

Страница 108: ...1 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 105 69 148 94 191 BF 234 EA 20 14 63 3F 106 6A 149 95 192 C0 235 EB 21 1...

Страница 109: ...49 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 D7 Table I 1 Decimal to Hexadecimal Conversion Table 109 Shop...

Страница 110: ...ut With both settings at 00 000 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 the PowerScout 5 Click Connect in ViewPoint to reconfirm communications Port Error If the PC COM Po...

Страница 111: ... 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 111 Shop for Dent products online at 1 877 766 5412 www PowerMeterStore com ...

Страница 112: ... 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 resistive heating element is rated at 15 kW of heat at 240VAC RMS then the heat would be the same if we applied 240V of DC instead of AC A meter without true RMS will incorrectly read distorted waveforms All DENT Instruments mete...

Страница 113: ...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 Currently the PowerScout meter must be in Modbus mode in...

Страница 114: ... PS24 The ports can be used to take external pulse signals from meters such as gas water etc 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 T...

Страница 115: ...apability 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 sinusoidal or not All DENT Instruments meters measure true RMS RS 485 EI...

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