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janitza UMG 96 User Manual

janitza UMG 96
32 pages
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www.janitza.com
Doc No. 1.021.020.k
Doc No. 1.021.020.k
Janitza electronics GmbH
Vor dem Polstück 1
D-35633 Lahnau
Support Tel. +49 6441 9642-22
Fax +49 6441 9642-30
e-mail: info@janitza.com
Internet: http://www.janitza.com
w
Key 2
M
Universal Measuring Device
UMG 96
Operating instructions
Brief instructions see last page
D
L1-N / L1-L2
L2-N / L2-L3
L3-N / L3-L1
Maximum value
P
Programming mode
Sum measurement
Phase to phase
Password
Voltage transformer
Current transformer
Output K1
Output K2
Mean value
S
Key 1 Key 2
M
SupplyMinimum
value
L

Table of Contents

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janitza UMG 96 Specifications

General IconGeneral
Power MeasurementActive, reactive, apparent power
Power Factor MeasurementYes
Frequency Measurement Range45 - 65 Hz
Accuracy Class0.5S (IEC 62053-22)
Energy MeasurementActive, Reactive Energy
Communication InterfacesRS-485, Ethernet
Power Supply85...265 V AC/DC
Protection ClassIP20
Dimensions96 x 96 x 78 mm

Summary

Receipt Control

Contents of Delivery

Details the items that always belong to the contents of delivery, including the device and operating instructions.

Product Description

Intended Use

Describes the UMG96's suitability for low voltage switchgear and measurement of voltage, current, and power.

Hints for the User

Emphasizes that the device must be installed and used by qualified personnel according to safety regulations.

Functional Description

Explains the UMG96's three-phase measurement system, scanning process, and internal temperature correction for display.

Hints for Maintenance

Repairs and Calibration

States that repairs and calibration can only be performed by the manufacturer to maintain device integrity.

Front Foil Cleaning

Provides instructions for cleaning the front foil using a soft cloth and mild cleansing agent, avoiding acidic agents.

Waste Management

Instructs to dispose of the UMG96 as electronic waste according to legal regulations and ensure recycling.

Installation

Mounting Place

States the UMG96 is suitable for fixed installation in low and medium voltage switchgear with any mounting position.

Measurement and Supply Voltage

Details connection requirements for three-phase systems and required voltage ranges for proper operation.

Current Measurement

Explains current measurement via current transformers and warns about the live nature of the inputs.

Sum Current Measurement

Describes setting the total transformer ratio for sum current measurement using multiple current transformers.

Installation and Putting into Service

Mount the Device

Instructions for mounting the device, ensuring net conditions match the type plate information.

Connect Measurement and Supply Voltage

Details voltage varieties and connection wire suitability for measurement and supply voltage connection.

Program Current and Voltage Transformers

Explains how to set current transformer ratios and voltage transformer ratios for the device's configuration.

Connect Current Transformers

Describes connecting current transformers to the device and verifying the ratio with an Amperemeter.

Check Phase Assignment

Check Current Flow

Removal of Errors

Display Dark

Addresses issues with a dark display, suggesting fuse check or potential device defect.

Measured Value Cannot Be Called Up

Explains how to add the required measured value indication if it was deleted from the selection.

Current Incorrect

Recommends checking connection, programming, or using different current transformers if current is incorrect.

Voltage L-N Incorrect

Advises checking connections and ensuring measuring inputs are not overloaded for correct voltage indication.

Service

Usage and Display

Indication Mode

Explains how to scroll through measured values using keys 1 and 2 in the device's indication mode.

Measured Values

Describes how measurements are taken, averaged, and how changes reflect on the display over time.

Mean Values

Details averaging times for currents and power, indicated by a horizontal bar above the displayed value.

Energying Hours Meter

Explains the energying hours meter detects operation time with a resolution of 15 minutes.

Programming Mode

Describes how to enter programming mode using keys 1 and 2, and the necessity of a password.

Password

Current Transformer

Example: Sum Current Transformer

Provides an example of programming for sum current measurement using two different current transformers.

Voltage Transformer

Programming

Details the steps to program voltage transformer settings, including primary voltage and decimal point adjustment.

Outputs K1 and K2

Usage as Switching Output

Describes how outputs function as switching outputs for measured values, switching based on set limits.

Usage as Pulse Output

Explains how outputs function as pulse outputs for energy measurement, with pulse valency and frequency limits.

Programming as Switching Output

Usage as Pulse Output

Programming as Pulse Output

Details how to program outputs K1 or K2 as pulse outputs, including setting the pulse valency.

Pulse Valency

Example Calculation

Provides an example calculation for setting pulse valency based on power consumption and desired pulse rate.

Minimum Pulse Width

Programming of Minimum Pulse Width

Details how to program the minimum pulse width for pulse outputs using keys 1 and 2.

Averaging Times (Bimetal Function)

Method of Taking the Mean

Explains the exponential method used to calculate mean values, reaching 95% of the measured value.

Programming of Averaging Times

Details how to program averaging times for real power and current measurements.

Measured Value Rotation

Programming of Rotation Time

Details how to program the rotation time for automatic measured value indication on the display.

Measured Value Selection

Programming of Measured Value Selection

Details how to program measured value selection and automatic rotation settings for display indication.

Delete Minimum and Maximum Values

Delete Energy

LCD Contrast

Programming of LCD Contrast

Details how to program the LCD contrast setting using keys, adjusting display readability.

Software Release

User Password

Technical Data

Ambient Conditions

Lists ambient conditions such as temperature, pollution degree, humidity, and protection class for operation.

Measurement Specifications

Provides technical specifications for measurement and supply voltage, inputs, and current/voltage ranges.

Output Specifications

Details technical specifications for outputs, including type, switching frequency, operating current, and voltage.

Connectable Cables

Specifies the types and sizes of connectable cables, including wire types and pin contact requirements.

Brief Instructions

Programming of Current Transformer

Provides a quick guide on how to select and program the current transformer settings via the menu.

Call Up Measured Values

Explains how to call up and scroll through measured values using keys 1 and 2 when not in programming mode.

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