1
Operating Manual for
UMD 705E / CBM
Page 1: ...1 Operating Manual for UMD 705E CBM ...
Page 2: ...llation of the instrument 2 2 2 1 Supply voltage 3 2 2 2 Measured voltage 3 2 2 3 Measured currents 3 2 2 4 Communication peripherals 4 2 2 5 Outputs and inputs 6 2 3 Downloading data to PC 6 2 4 Energy meter readings 7 3 Technical Specifications 7 3 1 Basic Parameters 7 3 2 Measured Quantities 9 3 3 Inputs and Outputs 12 4 Maintenance Service Warranty 13 ...
Page 3: ...ed data each instrument can be locked by a custom pin It uses standard RS 485 serial line for communication with remote control systems Optionally it can be equipped with other communication peripherals such as Ethernet USB It is equipped with three voltage inputs and three current inputs 1 1 Improvements and advanced functions new front panel display and control new power supply option U with 85 ...
Page 4: ...uipped with and must use personal protective clothing and tools If the analyzer is used in a manner not specified by the manufacturer the protection provided by the analyzer may be impaired If the analyzer or its accessories appear to be impaired or not functioning properly do not use it and send it in for repair 2 2 Installation of the instrument Natural air circulation should be provided inside ...
Page 5: ...C EN 61010 1 Internal power supply is galvanically isolated from internal circuits 2 2 2 Measured voltage The measured voltages are connected to the terminals L1 L2 and L3 Connect the neutral wire to the terminal N With delta or Aaron connections terminal N remains unused Voltage measurement inputs are connected with internal circuits over high impedance It is suitable to protect the measured volt...
Page 6: ...nstruments provide RS485 serial line 2 2 4 Communication peripherals All peripherals stated below are galvanically isolated from the rest of the instrument and from each other Ethernet interface variant E 100 Mbit Ethernet interface with RJ 45 connector 100Base TX labeled as ETH is situated on a top panel of the device Ethernet interface can be used as substitution for the primary RS 485 for conne...
Page 7: ...hive downloading and device configuration 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: ...or C2 with external power supply in the following way the current flows from positive terminal of the supply through the external input contact to a DI terminal D1 or D2 and than from the common terminal C1 or C2 back to the negative terminal of the external power supply DI O as a digital output DO is connected to the selected I O terminal D1 or D2 and a common terminal C1 or C2 with external powe...
Page 9: ...en finished the archive can be viewed in the ENVIS application User can open the downloaded file directly from ENVIS Daq 2 4 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 Accord...
Page 10: ... 4 8 100 A 1000 A EN 61000 4 11 250 periods EMC emissions EN 55011 class A EN 55022 class A not for home use communicationports RS 485 2400 921600 Bd optional USB Ethernet 10Base T communication protocols KMB Modbus RTU and TCP web server DHCP accuracy of RTC 2 seconds per day capacity of RTC backup battery 5 years without supply voltage applied protection class front panel whole instrument IP 40 ...
Page 11: ...mperature drift 0 03 of rdg 0 01 of rng 10 ºC measurement category 300V CAT III permanent overload 1820 VAC UL N peak overload 1 second 2730 VAC UL N burden power impedance 0 05 VA Ri 3 78 MΩ VoltrageUnbalance measuring range 0 10 measuring uncertainty 0 3 of rdg or 0 3 THDU measuring range 0 20 measuring uncertainty 0 5 Harmonics up to 50th order referenceconditions other harmonics up to 200 of c...
Page 12: ...nutes 10 AAC 90 AAC burden power impedance 0 001 VA Ri 0 1 Ω 0 5 VA Ri 10mΩ CurrentUnbalance measuring range 0 100 measuring uncertainty 1 of rdg or 0 5 Harmonics Interharmonics up to 50th order referenceconditions other harmonics up to 1000 of class 3 acc to IEC 61000 2 4 ed 2 measuring range 500 of class 3 acc to IEC 61000 2 4 ed 2 measuring uncertainty Ih 10 INOM 1 INOM Ih 10 INOM 1 of rdg THDI...
Page 13: ...rtainty 0 005 reference conditions B ambient temperature tA U I for active power PF cos φ for reactive power 23 2 ºC U 80 120 UNOM I 2 120 INOM PF 0 5 PF 0 87 act react power uncertainty 1 of rdg 0 01 PNOM PF cos φ uncertainty 0 005 temperature drift of powers 0 05 od rdg 0 02 PNOM 10 ºC Energy measuring range corresponds to U I measuring ranges 4 quadrant energy counters for both active and react...
Page 14: ...ating 35 VDC 30 mADC dynamic parameters pulse output pulse duration gap duration maximumfrequency S0 compatible 50 ms 50 ms 10 Hz Digital Inputs type Opticaly isolated unipolar Cx Dx maximum voltage 30 VDC voltage for logical 1 7 VDC voltage for logical 0 3 VDC input current 5 mA 12V 13 mA 24V dynamic par pulse counter pulse gapduration maximumfrequency 0 5 0 5 ms 1 kHz ...
Page 15: ...PQ PLUS GmbH Hagenauer Str 6 91094 Langensendelbach info pq plus de 49 9133 60640 0 www pq plus de The product must be in proper packaging to prevent damage during transit A description of the problem or its symptoms must be delivered together with the product If a warranty repair is claimed the warranty certificate must be sent in In case of an out of warranty repair you have to enclose an order ...
