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Dent PowerScout 3 User Manual

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USER'S MANUAL
™
PowerScout 3
™
PowerScout 18
™
ViewPoint
October 25, 2010
© 2008, 2010 DENT Instruments, Inc.
DENT Instruments | 64 NW Franklin Avenue | Bend, Oregon 97701-2906 USA
Phone 541.388.4774 | Fax 541.385.9333 | www.DENTinstruments.com
PowerMeterStore
1.877.766.5412
www.
.com
Shop for Dent products online at:

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  • Page 1 ™ PowerScout 18 ™ ViewPoint October 25, 2010 © 2008, 2010 DENT Instruments, Inc. DENT Instruments | 64 NW Franklin Avenue | Bend, Oregon 97701-2906 USA Phone 541.388.4774 | Fax 541.385.9333 | www.DENTinstruments.com PowerMeterStore 1.877.766.5412 www. .com Shop for Dent products online at:...

  • Page 2: Safety Summary And Specifications

    ™ No accessories are approved for use with the PowerScout 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 please call 541.388.4774, or email tech support (techhelp@dentinstruments.com), for assistance.

  • Page 3: Symboles Des Equipements

    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 documentations sur les produits et également sur les prix. Si le compteur semble endommagé ou défectueux, tout d'abord déconnecter le pouvoir de l'appareil. Alors s'il vous plaît appelez 541.388.4774 ou contacter par courriel l'assistance technique (techhelp@dentinstruments.com), pour obtenir de...

  • Page 4: Section I: Introduction

    18 all six loads must have the same voltage source, e.g., be in the same panel. To monitor multiple voltage sources, for example, 480/277V and 208/120V loads across a ™ transformer, two PowerScout 18’s will be needed, one for each voltage source. PowerMeterStore 1.877.766.5412 www. .com Shop for Dent products online at:...
  • Page 5 Windows® 7 (32 or 64 bit), Vista (32 or 64 bit), XP or 2000 Communications Port One USB Port or Serial Port Hard Drive 50 MB minimum available Processor Pentium Class 1 GHz or more recommended PowerMeterStore 1.877.766.5412 www. .com Shop for Dent products online at:...
  • Page 6 FAIT LA CONNEXION. LES TENSIONS DÉPASSANT 600 VOLTS PEUVENT EXISTER SUR LA PLAQUETTE ET PEUVENT METTRE LA VIE EN DANGER. LE RISQUE DE BLESSURES GRAVES OU DE MORT NE DOIT PAS ÊTRE SOUS-ESTIMÉ. ™ Connecting the PowerScout PowerMeterStore 1.877.766.5412 www. .com Shop for Dent products online at:...
  • Page 7 ™ PowerScout Layout and Watt-Transducer Naming Convention PowerMeterStore 1.877.766.5412 www. .com Shop for Dent products online at:...
  • Page 8 251 through 255) are reserved for factory use. (See Appendix A for a decimal to hex conversion, if your ™ equipment is decimal based.) Each PowerScout 18 uses 6 Modbus address. Next connect the Modbus wires to the connector in the meter. Use Diagram below. PowerMeterStore 1.877.766.5412 www. .com Shop for Dent products online at:...
  • Page 9 Warning: DO NOT EXCEED 600Vac PHASE TO PHASE CAT III. When complete, close the enclosure cover, if equipped. Attention: NE PAS DÉPASSER UNE PHASE À 600VAC CAT III. Une fois terminé, fermer le covercle, s’il y en a un. PowerMeterStore 1.877.766.5412 www. .com Shop for Dent products online at:...
  • Page 10 Note: If the total system power factor is less than 0.55 the LEDs will be red even if connected properly. This situation is rare but could occur if the load to be monitored is a lightly loaded electric motor, for example. PowerMeterStore 1.877.766.5412 www. .com Shop for Dent products online at:...
  • Page 11 Write Return Slave ID Command (Command #17; each item below is 8 bits) is as follows: Meter Address Command 17h CRC LSB CRC MSB Meter Address = which meter to respond PowerMeterStore 1.877.766.5412 www. .com Shop for Dent products online at:...
  • Page 12 L2 MSW 4034 44035 kVARh L3 LSW 4035 44036 kVARh L3 MSW 4036 44037 kVAR L1 4037 44038 Individual Phase Reactive Powers (kVAR) kVAR L2 4038 44039 kVAR L3 4039 44040 PowerMeterStore 1.877.766.5412 www. .com Shop for Dent products online at:...
  • Page 13 44206 Serial Number 10 bytes (ASCII Alpha-Numeric) Serial 2 4206 44207 “ Serial 3 4207 44208 “ Serial 4 4208 44209 “ Serial Number last 2 bytes 4209 44210 “ PowerMeterStore 1.877.766.5412 www. .com Shop for Dent products online at:...
  • Page 14 Multiply the MSW by 65536 → 13 X 65536 = 851968 Add the LSW → 851968 + 5013 = 856981 Multiply by the Table 2 Scalar of 0.1 → 856981 X 0.1 = 85698.1 kWh PowerMeterStore 1.877.766.5412 www. .com Shop for Dent products online at:...
  • Page 15 Modbus Implementation & Further Information More information about Modbus can be found from Modicon in the "Modicon Modbus Protocol Reference Guide", PI-MBUS-300, Rev J. The entire document may be found at: http://www.modicon.com/techpubs/toc7.html PowerMeterStore 1.877.766.5412 www. .com Shop for Dent products online at:...
  • Page 16 The program will communicate with the meter and display its version information. If it could not connect, you can change the settings or the hardware connection and try again until it works. PowerMeterStore 1.877.766.5412 www. .com Shop for Dent products online at:...
  • Page 17 Help file which you can bring up by clicking the Help button in the upper right hand corner of the window. This will open your web browser and display help for the tab currently selected in the program. PowerMeterStore 1.877.766.5412 www. .com Shop for Dent products online at:...
  • Page 18 5. Click “Install from a list or specific location (Advanced),” Next> 6. In the New Hardware Wizard select “Search for the best drivers in these locations” and “Search removable media (floppy, CD-ROM…)”. 7. Click “NEXT>” PowerMeterStore 1.877.766.5412 www. .com Shop for Dent products online at:...
  • Page 19 11. Verify that the dip switches on the back of the USB to RS-422/485 adapter are set to: RS-422/485, Echo Off, 2 Wire, 2 Wire 12. The adapter is now ready for use. PowerMeterStore 1.877.766.5412 www. .com Shop for Dent products online at:...

  • Page 20: Section V: Appendix

    Table A1: Decimal Value is the Modbus Meter Address. Hex Value Corresponds to the Two Rotary Switch Settings. (Left switch is high digit, Right switch is low digit) Decimal Decimal Decimal Decimal Decimal Decimal PowerMeterStore 1.877.766.5412 www. .com Shop for Dent products online at:...

  • Page 21: Appendix B: Veris H8035/H8036 Emulation

    System Maximum Inst. Demand Multiplier Required, 500mS ™ *All values are 16 bit, unsigned integers. The PowerScout does not currently support the Veris floating point registers. Consult DENT Instruments for availability. PowerMeterStore 1.877.766.5412 www. .com Shop for Dent products online at:...
  • Page 22 B1 must be multiplied by the scaling value found in Table B2. For example, if the PowerScout has 100A CTs connected to it, then to get system reactive power (kVARs) multiply the value returned from reading register 40004 by 0.004. PowerMeterStore 1.877.766.5412 www. .com Shop for Dent products online at:...

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