PQ Plus UMD 705 Operating Manual
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PQ Plus UMD 705 Operating Manual

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Operating Manual for
UMD 705E / CBM
1

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Summary of Contents for PQ Plus UMD 705

  • Page 1 Operating Manual for UMD 705E / CBM...

  • Page 2: Table Of Contents

    1 General Description 1.1 improvements and advanced functions ....................1 2 Operating the Meter 2.1 Safety requirements when using UMD 705 ................... 2 2.2 Installation of the instrument ....................2 2.2.1 Supply voltage ........................3 2.2.2 Measured voltage ........................ 3 2.2.3 Measured currents ........................

  • Page 3: General Description

    Two different user interfaces are offered - UMD 705 D with a small embedded color display on the front panel for simple local value reading and an unobtrusive UMD 705 without display with limited ability for hostile user interaction.

  • Page 4: Operating The Meter

    A connection wire’s maximum cross section area is 2.5 mm in case of all screw terminals. The UMD 705 is primarily intended for DIN-rail mounting. Dimensions of the instrument are on figure There are also positions marked with dash dot lines of holes for wall-mounting with three screws.

  • Page 5: Supply Voltage

    60.6 21.5 30.3 Figure 2: Dimensions of the UMD 705 analyzer. 2.2.1 Supply voltage The power supply terminal is labeled as X1 and X2. The two terminals are complemented with a symbol (U, L or S), indicating the respective auxiliary voltage option (details in ch.

  • Page 6: Communication Peripherals

    ÷ 75VDC RUN CHG ALM Figure 3: An example of typical installation of UMD 705 instrument in a low voltage network — options L or S for various LVDC power supplies. Typical connection options for voltage measurements: star, delta and single phase feeders.
  • Page 7 Serial RS-485 line uses terminals A+, B- with shielding at terminal G of COM1 block (fig. 4). The end point of the communication line must be properly terminated with ˜120n resistor. Figure 4: Typical wiring of the RS-485 communication line terminals in UMD 705...

  • Page 8: Outputs And Inputs

    If an I/O port is used as an output (its behavior is controlled by an internal logic function) the instrument also indicates its activation with the respective input register. digital input digital output Figure 5: An example of output and inp u t of UMD 705.

  • Page 9: Downloading Data To Pc

    When finished the archive can be viewed in the ENVIS application. User can open the downloaded file directly from ENVIS.Daq. Energy meter readings UMD 705 has an embedded three phase, four-quadrant energy meter with automatic meter reading functions and multiple programmable tariffs (Time-of-Use, TOU). The instrument registers active energy (EP, EP+, EP-) and reactive energy (EQL, EQC or EQC+, EQC-, EQL+, EQL-).
  • Page 10 Other Specifications operational temperature - 20 to 60°C storage temperature - 40 to 80°C operational and storage humidity < 95 % - non-condensable environment EN 61000 – 4 - 2 (6 kV / 8 kV) EN 61000 – 4 - 3 (10 V/m up to 3 GHz) EN 61000 –...

  • Page 11: Measured Quantities

    Measured Quantities Measured Quantities – Voltage Frequency – nominal frequency 50 / 60 Hz measuring range 40 ÷ 70 Hz uncertainty ± 10 mHz Voltage standard variant („230 V“) voltage input option 180 ÷ 280 V )– rated voltage 4 ÷ 420 V measuring range line-to- neutral 7 ÷...
  • Page 12 Measured Quantities – Current, Temperature Current „X/100mA“ „X/5A“ current input option ) – rated (basic) 0.1 A current measuring range 0.00025 ÷ 0.15 A 0.0125 ÷ 7.5 A +/- 0.05 % of rdg ± +/- 0.05 % of rng intrinsic uncertainty (t ±2 ºC) +/- 0.03 % of rdg ±...
  • Page 13 Measured Quantities – Power, Power Factor, Energy Active / Reactive Power, Power Factor (PF), cos φ (P reference conditions “A”: ambient 23 ± 2 ºC temperature (t ) U, U = 80 ÷ 120 % U , I = 1 ÷ 120 PF = 1.00 for active power, PF, PF = 0.00...

  • Page 14: Inputs And Outputs

    Inputs and Outputs Digital Outputs & Digital Inputs: universal 1+1 DIO (only models with „U“ auxiliary voltage) Digital Outputs type Opto-transistor, unipolar (Cx +, Dx -) 35 V , 30 mA load rating dynamic parameters (pulse S0 - output): compatible - pulse duration 50 ms - gap duration...

  • Page 15: Maintenance, Service, Warranty

    The 18350 rechargable Li-ion battery cell for the instrument operation backup is also optionally installed inside the UMD 705 option S or L. If the battery malfunctions it is necessary to ship the instrument to the manufacturer for battery replacement.

This manual is also suitable for:

Umd 705eUmd 705cbm

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