Table of Contents
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Contents
2.1 Safety requirements when using UMD 701 ................................................................................................... 2
2.2 Installation of the instrument .................................................................................................................. 3
2.2.1
Supply voltage .................................................................................................................................. 3
2.2.2
Measured voltage .............................................................................................................................. 3
2.2.3
Measured currents ................................................................................................................................... 4
2.2.4
Communication peripherals .............................................................................................................. 4
2.2.5
Outputs and inputs ..................................................................................................................... 5
2.3 Downloading data to PC ........................................................................................................................ 6
2.4 Energy meter readings ......................................................................................................................................... 6
3.1 Basic Parameters .................................................................................................................................................. 7
3.2 Measured Quantities .................................................................................................................................... 8
Operating Manual for
UMD 701
Short version 2.0
1
2
7
11
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Summary of Contents for PQ Plus UMD 701
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Page 1: Table Of Contents
Operating Manual for UMD 701 Short version 2.0 Contents 1 General Description 2 Operating the Meter 2.1 Safety requirements when using UMD 701 ....................2 2.2 Installation of the instrument ........................3 2.2.1 Supply voltage ..........................3 2.2.2 Measured voltage ..........................3 2.2.3... -
Page 2: General Description
General Description The UMD 701 is specially designed for monitoring of energy and power quality in advanced power systems and smart grids. It is intended to be used mostly for DIN rail mounting. This display-less design with multiple communication options is suitable for a wide spectrum of automation tasks in modern buildings, distributed power generation, remote supervision of the infrastructure and also remote load management. -
Page 3: Operating The Meter 2.1 Safety Requirements When Using Umd 701
Optional expanding module E = Ethernet interface Figure 1: Schematics of the UMD 701 ordering options and variants. It includes special codes for proper current and voltage rating options. 2 Operating the Meter Safety requirements when using UMD 701 Warning !: When working with the instrument it is necessary to perform all necessary measures for the protection of persons and property against injury and electric shock. -
Page 4: Installation Of The Instrument
A connection wire’s maximum cross section area is 2.5 in case of all screw terminals. The UMD 701 is primarily intended for DIN-rail mounting. Dimensions of the instrument are on figure 2. There are also positions marked with dash dot lines of holes for wall-mounting with three screws. -
Page 5: Measured Currents
I1 I2 I3 I4 I5 I6 I7 I8 Figure 3: An example of typical installation of UMD 701 instrument in a low voltage network — left to right: with low voltage supply voltage (possible DC, AC including battery backed UPS setups); with supply from measured network. -
Page 6: Outputs And Inputs
Figure 4: Typical wiring of the RS-485 communication line terminals in UMD 701 or optional M-Bus (right). cable only (USB-A/mini). UMD 701 is a USB 2.0 slave device. For correct operation it needs a driver installed in your operating system (see the EnVis user guide for more info). -
Page 7: Downloading Data To Pc
Relay Output Digital Output Digital Inputs Figure 5: An example of wiring connection for inputs and outputs in UMD 701 . Downloading data to PC Connect the instrument to the PC and run EnVis.Daq application. Select the appropriate communication option and connect to the instrument. In the next screen press Refresh All. This will load and display the actual status of each supported archive. -
Page 8: Technical Specifications
EMC – emissions EN 55022, class A (not for home use) RS-485 (1200 ÷ 921600 Bd), optional USB, Ethernet 10Base-T, M-bus communication ports PQ PLUS, Modbus RTU and TCP, web server, DHCP communication protocols accuracy of RTC ± 2 seconds per day capacity of RTC backup battery >... -
Page 9: Measured Quantities
Measured Quantities Veliciny - U Measured Quantities – Voltage Frequency – nominal frequency 50 / 60 Hz measuring range 40 ÷ 70 Hz uncertainty ± 10 mHz Voltage voltage input option standard variant („230“) 180 ÷ 250 V )– rated voltage 8 ÷... - Page 10 Veliciny - I, T Measured Quantities – Current, Temperature Current current input option „X/100mA“ ) – rated (basic) current 0.1 A measuring range 0.00025 ÷ 0.12 A intrinsic uncertainty (t =23 ±2 ºC) ± 0.05 % of rdg ± 0.02 % of rng temperature drift ±...
- Page 11 Veliciny - P,Q,PF,E Measured Quantities – Power, Power Factor, Energy Active / Reactive Power, Power Factor (PF), cos φ (P reference conditions “A”: ambient temperature (t 23 ± 2 ºC U, I U = 80 ÷ 120 % U , I = 1 ÷ 120 % I for active power, PF, cos φ...
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Page 12: Maintenance, Service, Warranty
Type of product: UMD 701 ....Serial number: .
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