janitza UMG 96-PQ-L-LP User manual

Doc. no. 2.061.120.1.a 10/2023
LP Power Analyzer
UMG96-PQ-L-LP
(as of firmware 3.50)
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau | Germany
Support [phone]
[email protected] | www.janitza.com
www.janitza.com
Image may differ from the original!
User manual and technical data

UMG96-PQ-L-LP www.janitza.com
2
UMG 96-PQ-L-LP (as of firmware 3.50)
Measurement device for recording energy quantities
Doc. no.: 2.061.120.1.a
10/2023
The German version is the original edition of the documentation.

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UMG96-PQ-L-LP
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. Information
and specifications are subject to change without notice.
Please check for the latest version at www.janitza.com.
Information about the GridVis®software.
Janipedia: wiki.janitza.de
Tutorials: youtube.com/@gridvis

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TABLE OF CONTENTS
1. Information on the device and the user manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.1 Disclaimer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.2 Copyright notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.3 Technical changes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.4 About this user manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.5 Defective device/disposal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2. Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.1 Display of warning notices and safety information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.2 Hazard levels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.3 Product safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.4 Dangers when handling the device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.5 Electrically qualified personnel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.6 Warranty in the event of damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.7 Safety information for handling current transformers and measurement devices with residual
current measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.8 Handling batteries/accumulators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3. Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.1 Device description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.2 Device versions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.3 Incoming goods inspection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.4 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.5 Performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.6 EU conformity declaration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.7 FCC Declaration of Conformity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.8 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.9 Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.10 Measuring method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.11 Transformers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.12 Operating concept . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.13 GridVis®network analysis software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4. Structure of the device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.1 Front panel - Display and controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.2 Rear of the device - Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.3 Rating plate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5. Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.1 Installation location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.2 Mounting orientation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.3 Securing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

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6. Grid systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
7. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
7.1 Nominal voltages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
7.1.1 Three-phase four-conductor network with grounded neutral conductor . . . . . . . 25
7.3.1 Three-phase three-conductor system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
7.2 Circuit breaker. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
7.3 Supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
7.4 Voltage measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
7.4.1 Overvoltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
7.4.2 Frequency. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
7.4.3 Connection variants for voltage measurement. . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.4.4 Voltage transformers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
7.5 Current measurement with low-power current transformers . . . . . . . . . . . . . . . . . . . . . . . . 31
7.5.1 Connection variants for current measurement . . . . . . . . . . . . . . . . . . . . . . . . . . 32
7.5.2 Current direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
8. Connection and PC connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
8.1 Connection variants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
8.2 RS-485 interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
8.3 Shielding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
8.4 Termination resistors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
8.5 Bus structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
9. Digital inputs and outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
9.1 Digital inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
9.1.1 S0 pulse input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
9.2 Digital outputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
9.3 LED status bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
10. Analog outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
11. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
11.1 Button function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
11.2 Measuring display “Overview” . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
11.3 Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
11.4 Overview of menu displays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
11.5 Configuring a new start screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

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12. Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
12.1 The Configuration window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
12.2 Language . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
12.3 Communication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
12.4 Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
12.4.1 Current and voltage transformers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
12.4.2 Current sensor type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
12.4.3 I4 current transformer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
12.4.4 Connection variant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
12.4.6 Nominal current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
12.4.5 Nominal frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
12.5 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
12.5.1 Brightness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
12.5.2 Standby after . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
12.5.3 Brightness (standby). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
12.5.4 Auto Home return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
12.5.5 Home delay. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
12.5.6 Colors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
12.6 System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
12.6.1 Firmware/Serial number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
12.6.2 Date/time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
12.6.3 Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
12.6.4 Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
12.7 Modbus editor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
13. Commissioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
13.1 Applying the supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
13.2 Measured voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
13.3 Measured current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
13.4 Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
13.5 Direction of rotary field . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
13.5.1 Fundamentals on the phasor diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
13.6 Checking the voltage and current inputs using a phasor diagram . . . . . . . . . . . . . . . . . . . . 63
13.7 Overrange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
13.8 Checking the time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
13.9 Checking the power measurement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
13.10 Checking the communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
13.11 Delete min./max. values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
13.12 Harmonics current (harmonics). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
13.13 Communication in the bus system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
13.13.1 RS-485 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

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13.14 Digital inputs/outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
13.14.1 Digital inputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
13.14.2 Pulse counter (S0 input) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
13.14.3 Digital outputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
13.14.4 Pulse output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
13.14.5 Modbus remote output. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
13.14.6 Timer switch output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
13.14.7 Comparator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
13.15 Configuration of the analog output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
13.16 Drag indicator function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
13.16.1 Internal drag indicator synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
13.16.2 External drag indicator synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
13.16.3 Configuring the drag indicator synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . 79
13.16.4 Drag indicator - Measurement device displays . . . . . . . . . . . . . . . . . . . . . . . . . . 80
13.16.5 Delete drag indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
13.17 Gridded and moving averages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
13.18 Recording measured values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
13.18.1 Default setting, Partition A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
13.18.2 Default setting, Partition B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
13.18.3 Use cases – Recording examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
13.19 Events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
13.19.1 Internal events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
13.19.2 External events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
13.19.3 Configuring events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
13.19.4 Event recording time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
13.19.5 Display of events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
13.20 Tariff switching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
13.21 Time synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
13.21.1 RS-485 interface (UTC time pulse) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
13.21.2 RS-485 interface (DINEN60870) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
13.21.3 Ethernet interface - measurement devices with an Ethernet module. . . . . . . . . . 93
13.21.4 Digital input 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
13.22 "Low battery" and "Set time" warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

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14. Overview of menus and displays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
14.1 Overview menu (start screen) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
14.2 Voltage menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
14.3 Current menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
14.4 Power menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
14.5 Energy menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
14.6 Consumption overview menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
14.7 Drag indicator menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
14.8 Harmonics menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
14.9 Oscilloscope menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
14.10 Events menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
14.11 System Info menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
14.12 Configuration menu – Password entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
14.13 Configuration menu – without password/after password entry . . . . . . . . . . . . . . . . . . . . . 105
15. Service and maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
15.1 Repair and calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
15.2 Front panel foil and display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
15.3 Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
15.4 Device adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
15.5 Firmware update . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
15.6 Clock/Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
16. Procedure in the event of a malfunction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
17. Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
17.1 Performance characteristics of functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
17.2 Modbus addresses of frequently used measured values . . . . . . . . . . . . . . . . . . . . . . . . . . 115
17.3 Number formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
17.4 Note on saving measured values and configuration data. . . . . . . . . . . . . . . . . . . . . . . . . . 116
17.5 Dimensional drawings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
17.6 Connection example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

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UMG96-PQ-L-LP

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1. Information on the device and the user manual
1.1 Disclaimer
Compliance with the usage information for the
devices is a prerequisite for safe operation and
attaining the stated performance characteristics
and product features.
Janitza electronics GmbH assumes no liability for
bodily injury, material damage or financial losses
which result from disregard of the usage informa-
tion.
Make sure that your usage information is readily
available and legible.
1.2 Copyright notice
© 2023 - Janitza electronics GmbH - Lahnau.
All rights reserved.
Any reproduction, processing, distribution or other
use, in whole or in part, is prohibited.
All trademarks and the rights arising from them
are the property of the respective owners of these
rights.
1.3 Technical changes
· Make sure that your device matches the user
manual.
· This user manual applies to the UMG 96-PQ-L-LP
measurement device.
Separate validities and distinctions are marked.
· First make sure you have read and understood
the usage information accompanying the prod-
uct.
· Keep the usage information associated with the
product available for the entire service life and
pass it on to any possible subsequent users.
· Find out about device revisions and the associat-
ed modifications of the usage information associ-
ated with your product at www.janitza.com.
· This manual is also valid for alternative device
fronts.
1.4 About this user manual
If you have questions, suggestions or ideas for im-
provement of the user manual, please let us know
via email at: [email protected].
INFORMATION
This user manual describes the device UMG96-PQ-
L-LP and provides information on its operation.
In addition to this user manual, please refer to addi-
tional usage information for your device, such as:
· Installation manual.
· "GridVis®software" quick guide.
· “Safety Information” supplement.
If applicable, also refer to the usage information
about expansion modules, such as
· User manuals and
· Installation manual.
Moreover, the GridVis®software has an online help
feature and e-learning modules.
INFORMATION
Our usage information uses the grammatical mas-
culine form in a gender-neutral sense! This form
always refers equally to women, men and diverse.
In order to make the texts more readable, distinc-
tions are not made. We ask for your understand-
ing for these simplifications.

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UMG96-PQ-L-LP
1.5 Defective device/disposal
Before sending defective devices, modules or
components back to the manufacturer for testing:
· Contact the manufacturer's Support department.
· Send devices, modules or components complete
with all accessories.
· When doing so, please bear the terms for trans-
portation in mind.
INFORMATION
Please return defective or damaged devices to
Janitza electronics GmbH in accordance with the
shipping instructions for air or road freight (complete
with accessories).
Observe special regulations for devices with built-in
batteries or rechargeable batteries!
Do not attempt to open or repair the device (the
component) on your own because otherwise all
warranty claims become invalid!
For the Disposal of the device please observe
national regulations! Dispose of individual parts, as
applicable, depending on their composition and
existing country-specific regulations, e.g. as
· Electronic waste,
· Batteries and rechargeable batteries,
· Plastics,
· Metals.
Engage a certified disposal company to handle
scrapping as needed.
Information on servicing and maintenance of your
device can be found in „15. Service and mainte-
nance“ on page 108.

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12
The chapter on Safety contains information which
must be observed to ensure your personal safety
and avoid material damage.
2.1 Display of warning notices and safety
information
The warning notices shown below
· are found throughout all of the documentation,
· can be found on the devices themselves.
· indicate potential risks and hazards,
· underscore aspects of the information provided
that clarifies or simplifies procedures.
The additional symbol onthedevice itself indicates
anelectrical danger that can result in serious inju-
ries or death.
This general warning symbol draws attention to a
possible risk of injury. Be certain to observe all of
the information listed under this symbol in order to
avoid possible injury or even death.
2.2 Hazard levels
Warning and safety information is marked by a
warning symbol, and the hazard levels are shown
as follows, depending on the degree of hazard:
DANGER
Warns of an imminent danger which, if not avoided,
results in serious or fatal injury.
WARNING
Warns of a potentially hazardous situation which, if
not avoided, could result in serious injury or death.
CAUTION
Warns of an immediately hazardous situation
which, if not avoided, can result in minor or moder-
ate injury.
ATTENTION
Warns of an immediately hazardous situation which,
if not avoided, can result in material or environmen-
tal damage.
INFORMATION
Indicates procedures in which there is no hazard of
personal injury or material damage.
2. Safety
2.3 Product safety
The device reflects current engineering practice
and accepted safety standards, but hazards can
nonetheless arise.
Observe the safety regulations and warning no-
tices. If notices are disregarded, this can lead to
personal injury and/or damage to the product.
Every type of tampering with or use of this device,
· which goes beyond the mechanical, electrical or
other operating limits can lead to personal injury
and/or damage to the product;
· constitutes “misuse” and/or “negligence” under
the product’s warranty and thus voids the war-
ranty for any possible resulting damage.
Read and understand the user manual and, if
applicable, the usage information before installing,
operating, maintaining and using the device.
Only operate the device when in perfect condition
and in compliance with this user manual and the
usage information that is included. Send defective
devices back to the manufacturer in compliance
with proper transport conditions.
Retain the user manual throughout the service life
of the device and keep it at hand for consultation.
When using the device, also observe the legal and
safety regulations for your system that are applica-
ble for the respective use case.

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UMG96-PQ-L-LP
WARNING
Risk of injury due to electrical voltage!
Severe bodily injury or death can result! Therefore
please abide by the following:
· Switch off your installation before commenc-
ing work! Secure it against being switched on!
Check to be sure it is de-energized! Ground and
short circuit! Cover or block off adjacent live
parts!
· During operation and troubleshooting (espe-
cially for DIN rail devices), check your system
for dangerous voltages and switch these off if
necessary!
· Wear protective clothing and protective equip-
ment in accordance with applicable guidelines
when working on electrical systems!
· Before making connections to the device/the
component, ground the device by means of the
ground wire connection, if present.
· Do not touching bare or stripped leads that are
energized! Equip stranded conductors with wire
ferrules!
· Hazardous voltages can be present in all circuit-
ry parts that are connected to the power supply.
· Protect wires, cables and devices with a suitable
line circuit breaker/fuse!
· Never switch off, remove or tamper with safety
devices!
· There can still be hazardous voltages present
in the device or in the component even after it
has been disconnected from the supply voltage
(capacitor storage).
· Do not operate equipment with current trans-
former circuits when open.
· Only connect screw terminals with the same
number of poles and design!
· Do not exceed the limit values specified in the
user manual and on the rating plate! This must
also be observed during testing and commis-
sioning.
· Take note of the safety and warning notices in
the documents that belong to the device!
2.4 Dangers when handling the device
When operating electric devices, it is unavoid-
able for certain parts of these devices to conduct
hazardous voltage. Consequently, severe bodily
injury or material damage can occur if they are not
handled properly.
Therefore, when handling our devices, always
observe the following:
· do not exceed the limit values specified in the
user manual and on the rating plate! This must
also be observed during testing and commission-
ing!
· Take note of the safety and warning notices in all
usage information that belongs to the device!
WARNING
Disregarding the connection conditions of the
Janitza measurement devices or their compo-
nents can lead to injuries and even death or to
material damage!
· Do not use Janitza measurement devices or
components for critical switching, control or
protection applications where the safety of per-
sons and property depends on this function.
· Do not carry out switching operations with the
Janitza measurement devices or components
without prior inspection by your plant manager
with specialist knowledge! In particular, the safe-
ty of persons, material assets and the applicable
standards must be taken into account!

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14
2.5 Electrically qualified personnel
To avoid bodily injury and material damage, only
electrically qualified personnel are permitted to
work on the devices and their components, mod-
ules, assemblies, systems and current circuits who
have knowledge of:
· The national and international accident preven-
tion regulations.
· Safety technology standards.
· Installation, commissioning, operation, discon-
nection, grounding and marking of electrical
equipment.
· The requirements concerning personal protective
equipment.
Electrically qualified persons within the scope
of the technical safety information of all usage
information associated with the device and its
components are persons who can furnish proof of
qualification as an electrically skilled person.
WARNING
Warning against unauthorized manipulation or
improper use of the device or its components!
Opening, dismantling or unauthorized manipula-
tion of the device and its components which goes
beyond the mechanical, electrical or other operat-
ing limits indicated can lead to material damage or
injury, up to and including death.
· Only electrically qualified personnel are permit-
ted to work on the devices and their compo-
nents, assemblies, systems and current circuits.
· Always use your device or component only in
the manner described in the associated docu-
mentation.
· If there is discernible damage, send the device
or the component back to the manufacturer!
2.6 Warranty in the event of damage
Any unauthorized tampering with or use of the
device constitutes "misuse" and/or "negligence"
under the product’s warranty and thus voids the
warranty for any possible resulting damage. In this
regard, please take note of section „3.4 Intended
use“ on page 17.
2.7 Safety information for handling current
transformers and measurement devic-
es with residual current measurement
WARNING
Risk of injury due to large currents and high
electrical voltage on the current transformers!
Current transformers operated while open on the
secondary side (high voltage peaks pose a hazard
when touched) can result in severe bodily injury or
death.
· Avoid operating the current transformers while
open; short circuit the unloaded transformers!
· Before interrupting the current supply, short
circuit the secondary connections of the current
transformers. Switch any test switches that
automatically short circuit the secondary lines
of the current transformers to the “Test” status
(Check the test switch/short circuiting connec-
tion beforehand)!
· Only use current transformers with basic insula-
tion to IEC61010-1:2010!
· Caution, even current transformers rated as safe
for open operation can pose a hazard when
touched during operation while open!
· Make sure to mount screw terminals for the
current transformer connection on the meter
and, if necessary, fasten them with the enclosed
screws!
· Comply with the information and provisions in
the documentation of your current transformers!

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15
UMG96-PQ-L-LP
CAUTION
Risk of injury or damage to the meter due to
high measurement currents at the connections
of the current transformers!
High measurement currents can cause tempera-
tures of up to 80°C (176°F) on the connections of
the current transformers
· Use wiring that is designed for an operating
temperature of at least 80°C (176°F)!
· The current transformers can be hot even after
the power supply has been switched off. Allow
the connections of the current transformers
and the connecting cables to cool down before
touching them!
WARNING
Risk of injury or damage to the meter due to
improper use!
Meters with residual current measurement can trig-
ger warning pulses if limit values are exceeded, and
these are used exclusively for monitoring residual
currents or failure monitoring. Use of the warning
pulses as a stand-alone protective device against
electrical shock can lead to injury and even death!
· Do not use devices with residual current mea-
surement as a stand-alone protective device.
Employ suitable protective devices for your
system!
CAUTION
Risk of injury or damage to the meter/your sys-
tem due to short circuit!
Inadequate insulation of the operating equipment at
the residual current measurement input with respect
to the supply circuits can cause voltages at the
measurement input which represent a hazard when
touched or damage to your device or system.
· Ensure reinforced or double insulation with re-
spect tothe supply circuits!
· Ensure galvanic isolation of the residual current
measurement inputs from each other!
2.8 Handling batteries/accumulators
The following apply for the battery used in the
device:
CAUTION
Risk of injury due to fire or burns!
The battery used in the device may cause fire or
burns if used improperly.
· Only replace the battery with the same type or
types recommended by Janitza!
· Observe the polarity when installing the battery!
· Remove batteries only with non-conductive
tools (e.g. plastic tweezers)!
· Do not recharge, disassemble, burn or heat
batteries above 100°C (212°F)!
· Do not dispose of batteries with household
waste! Follow the disposal instructions in the
respective device documentation!
· Keep batteries away from children and animals!
· In case of damage, return devices with a sol-
dered battery to the manufacturer, observing
proper transport conditions!

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16
3. Product description
3.1 Device description
The measurement device is a multifunctional net-
work analyzer and is suitable for:
· Measurements and calculations of electrical
quantities such as voltage, current, power, ener-
gy, harmonics current in building installations, on
distribution boards, circuit breakers and busbar
trunking systems.
· Measurements of voltages and currents from the
same network.
· Measurements in low-voltage networks in which
nominal voltages of up to 417 V from conduc-
tors to ground and surge voltages of overvoltage
category III occur.
· Measurements in medium and high voltage net-
works via current and voltage transformers. Mea-
surements in medium and high voltage networks
are made via current and voltage transformers!
· Current measurement via external low-power
current transformers (small-signal current trans-
formers according to IEC61869-10) as well
as Rogowski coils with or without an external
integrator.
· The extension of the range of functions with
modules (for the range of functions, see the user
manual for the modules).
Measurement results are displayed by the mea-
surement device and can be read and processed
via interfaces.
3.2 Device versions
The measurement device is available in different
versions for different grid systems (see section “6.
Grid systems” on p. 24) and supply voltages.
The variant can be identified by means of the part
number on the rating plate:
Grid system,
Supply
Part No. on
rating plate
UMG96-PQ-L-LP
TN / TT, 230V 5236006
TN / TT, 24V 5236007
3.3 Incoming goods inspection
Safe and trouble-free operation of this device and
its components presupposes proper transport,
proper storage, set-up and assembly as well as
operation and maintenance in addition to com-
pliance with the safety information and warning
notices.
Exercise due caution when unpacking and packing
the device, do not use force and only use suitable
tools.
Before installing the device, please check the
following:
· Its flawless mechanical condition by visual in-
spection.
· The scope of delivery for completeness.
If it can be assumed that safe operation of the
device is no longer possible:
· Disconnect the device from operation immediate-
ly!
· Secure the device against being switched on
again!
It can be assumed that safe operation is no longer
possible if the device, for example:
· Has visible damage.
· No longer functions despite an intact power
supply.
· Was subjected to extended periods of unfavor-
able conditions (e.g. storage outside of the per-
missible climate thresholds without adjustment to
the room climate, condensation, etc.) or transport
stress (e.g. falling from an elevated position, even
without visible external damage, etc.).

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UMG96-PQ-L-LP
3.4 Intended use
The device is:
· Intended for use in residential and industrial
areas.
· Intended for installation in stationary switchboard
cabinets and small distribution boards, indoors or
weather-protected.
· Not intended for installation in vehicles! Use of
the device in non-stationary equipment consti-
tutes an exceptional environmental condition and
is only permissible by special agreement.
· Not intended for installation in environments with
harmful oils, acids, gases, vapors, dusts, radia-
tion, etc.
· Designed as an interior meter.
Safe and trouble-free operation of the device
requires proper transport, storage, assembly,
installation, operation and maintenance.
3.5 Performance characteristics
General
· Front panel installation device with dimensions
of 96x 96mm (3.78 x 3.78in).
· Expansion by means of module
· Connection via screw terminals
· Color graphic display 320 x 240 px
· Operation via 6 buttons
· 3 voltage measurement inputs (600V, CAT III)
· 3 current measurement inputs (via current
transformer)
· 3 digital outputs
· 3 digital inputs
(configured as pulse counter with simultaneous
power calculation)
· 1 analog output (0 - 20 mA)
· Data memory 64MByte flash
· RS-485 interface (Modbus RTU, slave,
up to 115 kbps)
· Clock and battery
· Working temperature range -10°C (14°F) to
+55°C(131°F).
Measurement
· Acquisition of more than 800 measured values
· Measurement in TN and TT networks
· Measurement in networks with nominal voltag-
es up to L-L 720 Vrms and L-N 417 Vrms (accord-
ing to IEC)
· True effective value measurement (TRMS)
· Continuous sampling of the voltage and current
measurement inputs
· Frequency range of the fundamental oscillation
45Hz .. 65Hz
· Measurement of harmonics current, 1st to 65th
for ULN and I1 to I3
· ULN, ULL, I, P (consumption/delivered), Q (ind./
cap.)
· 2 tariffs (switching via Modbus or digital input 1)
Measuring accuracy and range
· Active energy: Measurement uncertainty class
0.5 for low-power current transformers and
Rogowski coils
· Reactive energy: Class 1
· Measuring range current:
up to 400mV (setting Low power)
up to 800mV (setting Rogowski)

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18
3.6 EU conformity declaration
Please see the EU declaration of conformity post-
ed at www.janitza.com for the laws, standards and
directives applied by Janitza electronics GmbH for
the devices. The CE conformity marking require-
ments for the device arise from the EU conformity
declaration and the laws, standards and directives
mentioned therein.
3.7 FCC Declaration of Conformity
The device:
· complies with Part 15 of the FCC Rules for Class
B digital devices (limits to protect against harmful
interference in a residential installation).
· generates, uses and can radiate high-frequency
energy
· can cause harmful interference to radio commu-
nications if not installed and used properly. There
is no guarantee that interference will not occur in
a particular installation.
If there is radio or television reception interference,
which can be determined by turning the device on
and off, proceed as follows:
· Align or reposition the receiving antenna.
· Increase the distance between the device and the
radio/television receiver.
· Connect the device and the radio/television
receiver in different circuits.
· if necessary, contact Janitza support or a radio/
television technician.
Code of Federal Regulations, Title 47, Part 15,
Subpart B - Unintentional Radiators.
3.8 Scope of delivery
Quan-
tity Part. no. Designation
15236xxx 1) UMG 96-PQ-L-LP
13303890 Installation manual
13303342 "Safety Information" supplement
13303361 “GridVis Software” Quick Guide
15236252 UMG 96-PQ-L-LP accessory pack
1) For part number see delivery note
Tab.Scope of delivery
3.9 Accessories
Quan-
tity Part. no. Designation
12101058 Battery type, lithium CR2032, 3V
(approval according to UL1642)
12901065 Silicone seal, 96x96
11506015 Interface converter
RS-485 <-> RS-232
11506107 Interface converter
RS-485 <-> USB
Suitable current transformers (examples):
Quan-
tity Part. no. Designation
11503334 CT-SC-006-20
20A/333mV, Cl.0.5
11503335 CT-SC-010-50
50A/333mV, Cl.0.5
11503345 CT-040-100
100A/333mV, Cl.0.5
11503346 CT-040-250,
250A/333mV, Cl.0.5
11503349 CT-BSC-120-2500,
2500A/333mV, Cl.0.5
11503635 Rogowski coil Ø 120mm,
1000A/100mV, ±1%
A current overview of suitable current transformers
can be found at www.janitza.com.
INFORMATION
All supplied options and design variants are de-
scribed on the delivery note.

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19
UMG96-PQ-L-LP
3.10 Measuring method
The device measures
· Continuously and calculates all effective values
using in a 200ms interval.
· The true RMS value (TRMS) of the voltages and
currents applied to the measurement inputs.
3.11 Transformers
Only use "current transformers for measuring pur-
poses" (small-signal measuring transformers) for
Janitza measurement devices and components!
3.12 Operating concept
The operating concept of the measurement device
incorporates the following methods:
· 6 function buttons with display for configuration
and acquisition of data.
· The GridVis network analysis and programming
software®for programming and analysis of data.
· The Modbus protocol and the Modbus address
list to configure and read out data. The Modbus
address list is available at www.janitza.com.
This user manual describes how to operate the
measurement device using the 6 function buttons
and how to use the Modbus editor.
3.13 GridVis®network analysis software
The GridVis®software (download at
www.janitza.com) is the perfect tool for the config-
uration, readout and analysis of measurement
data.
Performance characteristics of the GridVis®
software
· Configure and read out data from your measure-
ment device.
· Graphic display of measured values.
· Store measurement data in databases.
· Analyze measurement data that has been read
out.
· Create reports.
Connections to the PC (GridVis®software)
Connections for communication between the PC
and the measurement device can be found in
section „8. Connection and PC connections“ on
page 34.

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4. Structure of the device
4.1 Front panel - Display and controls
Item Function/Designation
1
Button 1:
· Display Menu
· Exit Menu
· Cancel action (ESC)
2
Button 2:
· Go to the start screen. (Default setting: “Overview” display)
· Select position (to the left "").
· Configuration of a measuring display as the start screen (press until message appears).
3
Button 3:
· Select menu item or position (down "").
· Change (selection, number -1).
4
Button 4:
· Select menu item or position (up “”).
· Change (selection, number +1).
5Button 5:
· Select position (to the right “”).
6Button 6:
· Open selection menu, activate input, confirm selection (Enter).
7Description of the function buttons
8Device name, can be changed by customer
Tab.Front panel - Display and controls
Fig. Front view
UMG96-PQ-L-LP
123456
7
8
Image may differ from the original!