Janitza UMG 801 Instruction manual

www.janitza.com

Modular Power Analyzer

UMG801

User manual and technical data

Doc. no.: 2.053.021.3.b Date: 07/2023

Janitza electronics GmbH

Vor dem Polstück 6

D-35633 Lahnau

Support tel. +49 6441 9642-22

Email: [email protected]

www.janitza.com

UMG801 www.janitza.com

UMG 801

Modular multifunctional meter for

recording energy quantities

Doc. no.: 2.053.021.3.b

Date: 07/2023

The German version is the original edition of the documentation

www.janitza.com UMG801

Subject to technical alterations.

The contents of our documentation have been compiled with great care and reﬂect the current state of the

information available to us. Nonetheless, we wish to point out that updates of this document are not always

possible at the same time as technical reﬁnements are implemented in our products. Please see our website

under www.janitza.de for the current version.

Please see our website under www.janitza.com for the current version.

UMG801 www.janitza.com

TABLE OF CONTENTS

1. Information on the device and the user manual 12

1.1 Disclaimer 12

1.2 Copyright notice 12

1.3 Technical changes 12

1.4 About this user manual 12

1.5 Defective device/disposal 13

2. Safety 14

2.1 Display of warning notices and safety information 14

2.2 Hazard levels 14

2.3 Product safety 14

2.4 Dangers when handling the device 15

2.5 Electrically qualiﬁed personnel 16

2.6 Warranty in the event of damage 16

2.7 Safety information for handling current transformers 16

2.8 Safety information for handling measurement devices with residual current measurement 17

2.9 Handling batteries/accumulators 17

3. Product description 18

3.1 Device description 18

3.2 Incoming goods inspection 19

3.3 Intended use 19

3.4 Performance characteristics 20

3.5 EU/UKCA Declaration of Conformity 20

3.6 FCC Declaration of Conformity 20

3.7 Scope of delivery 21

3.8 Accessories 21

3.9 Measuring method 22

3.10 Transformers 22

3.11 Operating concept 22

3.12 Web server with device homepage 23

3.13 GridVis®network analysis software 23

3.14 Overview of the range of functions 23

3.14.1 Conﬁguration on the device (via 6 buttons) 23

3.14.2 Communication 23

3.14.3 Measured values (with voltage component) 24

3.14.4 Measured values (with current component) 24

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4. Structure of the device 26

4.1 Front panel and display 26

4.2 Side views 28

4.3 Bottom view 28

4.4 Identiﬁcation of the device (rating plate) 29

5. Mounting 30

5.1 Installation location 30

5.2 Bus connector 31

5.3 DIN rail mounting of the device 31

6. Grid systems 33

7. Installation 34

7.1 Nominal voltages 34

7.2 Circuit breaker 35

7.3 Supply voltage 35

7.4 Voltage measurement 36

7.4.1 Overvoltage 36

7.4.2 Mains frequency 36

7.4.3 Connection variants for voltage measurement 37

7.5 Current measurement 38

7.5.1 Connection variants for current measurement 39

7.5.2 Summation current measurement 40

7.5.3 Ammeter 40

7.6 Multifunction channels 40

7.7 Residual current measurement (RCM) 41

7.7.1 Current direction of the residual current transformers 42

7.7.2 Residual current transformer example 42

7.7.3 Important information about the residual current measurement inputs 42

7.7.4 Connection examples - Residual current measurement 43

7.7.5 Connection example - Residual current monitoring 44

UMG801 www.janitza.com

7.8 Residual current measurement - limit value calculation 45

7.8.1 Static limit value calculation 45

7.8.2 Dynamic limit value calculation 46

7.8.3 Stepwise limit value calculation 47

7.8.4 Example: Residual current limit value exceeded 48

7.8.5 Activating cable break detection (failure monitoring) RCM for the

multifunction channels. 49

7.9 Temperature measurement 50

8. Communication via the Ethernet interfaces 52

8.1 Functions of the Ethernet interfaces 52

8.2 "Switched mode" connection option 53

8.3 "Dedicated mode" connection option 53

8.4 Meaning of the Ethernet interface LEDs: 53

9. PC connections and other interfaces 54

9.1 PC connections 54

9.2 RS-485 interface (serial interface) 56

9.2.1 Shielding 57

9.2.2 Termination resistors/Termination 57

9.2.3 Bus structure (bus segment) 58

9.3 JanBus interface 58

9.4 Digital inputs 59

9.5 Digital outputs 60

9.6 Analog outputs 61

10. Operation and button functions 62

10.1 Controls 62

10.2 Function buttons 62

10.3 Measuring display 62

10.4 Menu 62

10.5 PIN (password) 63

10.6 Overview of menu displays 64

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11. Conﬁguration 66

11.1 The Conﬁguration window 66

11.2 Conﬁguring Ethernet (TCP/IP) 66

11.2.1 Communication via TCP/IP 67

11.2.2 Communication via OPC UA 67

11.3 Conﬁguring the ﬁeldbus (RS-485 interface) 68

11.3.1 Communication settings 68

11.4 Conﬁguring current transformers 69

11.5 Conﬁguring voltage transformers 70

11.6 Temperature measurement conﬁguration 71

11.6.1 Temperature sensor types 71

11.6.2 "Temperature offset" item 71

11.7 Conﬁguring the display 72

11.7.1 Language 72

11.7.2 Standby (after) 72

11.7.3 Brightness 73

11.8 Conﬁguring the system 73

11.8.1 PIN 73

11.8.2 Restart (reboot) 74

11.8.3 Time 74

11.8.4 Date 74

11.9 Reset 75

11.9.1 Standard factory settings 75

11.9.2 Reset conﬁguration 75

11.9.3 Reset minimum, maximum and average values 76

11.9.4 Reset energy values 76

11.9.5 Reset historical data 77

11.10 Module identiﬁcation / diagnostics 77

11.11 Events and transients 78

11.11.1 Events 78

11.11.2 Transients 78

11.11.3 Event and transient recording 79

11.11.4 Conﬁguration of the waveform for events and transients 80

11.11.5 Half-wave RMS values for events 80

11.11.6 Update time for transients 81

11.11.7 Conﬁguration in the GridVis software 81

UMG801 www.janitza.com

12. Digital inputs and outputs 82

12.1 4 digital inputs 82

12.2 4 digital outputs 84

13. Analog outputs 86

14. Commissioning 88

14.1 Supply voltage 88

14.2 Measured voltage 88

14.3 Measured current 89

14.4 Frequency measurement 89

14.5 Direction of rotary ﬁeld 90

14.6 Fundamentals on the phasor diagram 90

14.7 Checking of voltage and current inputs by means of phasor diagram 91

14.8 Checking the phase assignment 91

14.9 Checking the power measurement 91

14.10 Checking measurement 92

14.11 Checking individual power 92

14.12 Checking summation power 92

14.13 Drag indicator function 93

14.13.1 Conﬁguring the drag indicator synchronization 93

14.13.2 Drag indicator - measurement device display 95

14.13.3 Resetting the drag indicator 96

14.14 Average value - gridded and moving 96

14.14.1 Gridded average value 96

14.14.2 Moving average value 97

14.14.3 Gridded and moving average in the GridVis®software 97

15. Overview of measured value and meter displays 98

16. Connection example 112

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17. Dismounting 113

18. Device homepage 114

18.1 "Home" start page 114

18.1.1 Login 115

18.1.2 Change password 116

18.2 "Measured values" menu bar item 117

18.2.1 Details 117

18.2.2 Events and transients 118

18.3 "Settings" menu bar item 119

18.3.1 Firmware update 120

18.3.2 Whitelist (Modbus port 502) 121

18.4 "Information" menu bar item 122

18.4.1 Device information 122

18.4.2 Modbus address list 123

18.4.3 Imprint 123

19. Service and maintenance 124

19.1 Repair and calibration 124

19.2 Front panel foil and display 124

19.3 Service 124

19.4 Device adjustment 125

19.5 Firmware update via the device homepage 125

19.6 Firmware update via the GridVis®software 125

19.7 Clock/Battery 125

19.8 Battery replacement 125

20. Error messages 126

20.1 Overrange 126

20.2 Procedure in the event of a malfunction 127

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21. Technical speciﬁcations 128

21.1 Technical data 128

21.2 Performance characteristics of functions 134

21.3 Parameter and Modbus address list 135

21.4 Information on saving measured values and conﬁguration data 135

22. Dimensional drawings 136

22.1 Basic device UMG801 136

22.2 Bus connector 137

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