Janitza UMG 96 RM Instruction manual

Doc. no. 1.040.015.4b

Power Analyser

UMG 96 RM

Basic device

Operating instructions and

technical data

Item no. 33.03.114

Janitza electronics GmbH

Vor dem Polstück 1

D-35633 Lahnau

Support tel. 0049 6441 9642-22

Fax 0049 6441 9642-30

E-mail: [email protected]

Internet: http://www.janitza.com

www.janitza.com

from ﬁrmware 1.1.x

Power Analyser

UMG 96RM

Commissioning 54

Applying the supply voltage 54

Applying the measured voltage 54

Applying the measured current 54

Rotation ﬁeld direction 55

Checking the phase assignment 55

Checking the power measurement 55

Checking the measurement 55

Checking the individual power ratings 55

Check the sum power ratings 56

RS485 interface 57

Digital outputs 59

Pulse output 61

Comparator 67

Service and maintenance 70

Error messages 71

Technical data 78

Parameters of functions 82

Table 1 - Parameter list 84

Table 2 - Modbus address list 90

Dimensional drawings 94

Overview of measured value displays 96

Declaration of conformity 102

Connection example 103

Brief instructions 104

Inhaltsverzeichnis

General 4

Incoming goods inspection 6

Scope of delivery of the basic device 7

Available accessories 7

Product description 8

Intended use 8

Characteristics of the basic device 9

Measuring method 10

GridVis network analysis software 11

Connection options 11

Assembly 12

Installation 14

Supply voltage 14

Voltage metering 16

Current measurement 22

RS485 interface 29

Digital outputs 32

Operation 34

Display mode 34

Programming mode 34

Parameters and measured values 36

Conﬁguration 38

Applying the supply voltage 38

Current and voltage transformers 38

Programming current transformers 40

Programming voltage transformers 41

Programming parameters 42

UMG 96RM

Comments about the manual

Your comments are welcome. If anything in this manual

is unclear, please let us know and send us an e-mail at:

[email protected]

General

This manual is subject to the laws of copyright

protection and may not be mechanically or electronically

photocopied, reprinted, reproduced or otherwise

reproduced or published in part or as a whole, without

the legally binding, written consent of

Janitza electronics GmbH, Vor dem Polstück 1,

D 35633 Lahnau, Germany.

Trademarks

All trademarks and the rights resulting from them remain

the property of the trademark holder of these rights.

Disclaimer

Janitza electronics GmbH assumes no responsibility

for errors or omissions in this manual and assumes no

obligation to keep the contents of this manual up to date.

Meaning of the symbols

The following pictograms are used in this manual:

cDangerous voltage!

Risk of death or serious injury. Disconnect

the power before working on the system

and device.

mAttention!

Please refer to the documentation. This

symbol will warn you of possible dangers

that could occur during assembly,

commissioning and operation.

CNote!

UMG 96RM

Application notes

Please read these operating instructions and all other

publications that must be consulted in order to work

with this product (particularly for installation, operation

or maintenance).

Please observe all safety regulations and warnings. Non-

compliance with the instructions can lead to personal

injury and/or damage to the product.

Any unauthorised alteration or use of this device which

exceeds the speciﬁed mechanical, electrical or other

operational limits can cause personal injury and/or

damage to the product.

Any such unauthorised alterations are grounds

for "abuse" and/or "negligence" in terms of the product's

guarantee and thus excludes the warranty for covering

any possible resulting damages.

This device must only be operated and maintained

by qualiﬁed personnel.

Qualiﬁed personnel are persons who, due to their

respective training and experience, are able to recognise

risks and avoid potential hazards that can be caused

by operation or maintenance of the device.

When using the device, the legal and safety regulations

required for the respective application must also be

observed.

cSafety is no longer guaranteed and the

device may be dangerous if the device is

not operated according to the operating

instructions.

mConductors consisting of single wires must

be provided with ferrules.

mOnly screw terminals with the same

number of poles and the same type may

be plugged together.

UMG 96RM

Incoming goods inspection

The proper and safe operation of this device

requires appropriate transport, proper storage,

installation and assembly as well as careful operation

and aintenance. When it is assumed that safe operation

is no longer possible, the device must immediately be

taken out of operation and secured against accidental

start-up.

Unpacking and packing must be carried out with

the usual care, without the use of force and only with

the use of suitable tools. The devices must be visually

inspected for proper mechanical condition.

It can be assumed that safe operation is no longer

possible if the device, e.g.

• shows visible damage,

• does not work despite intact power supply,

• and was exposed to unfavourable conditions

(e.g. storage outside of the permissible climatic

limits without adaptation to the ambient climate,

condensation, etc.) or transport stresses (e.g. falling

from a great height even without exterior visible

damage, etc.) for prolonged periods.

• Please check that the delivery is complete before you

begin with installation of the device.

CAll supplied screw terminals are

attached to the device.

About these operating instructions

These operating instructions are part of the product.

• Read the operating instructions prior to using

the device.

• Keep the operating instructions at hand throughout

the entire service life of the product and keep ready

for referencing.

• Hand over the operating instructions to each

subsequent owner or user of the product.

UMG 96RM

Scope of delivery of the basic device

Quantity Item no. Designation

1 52.22.001 UMG 96RM

2 29.01.036 Mounting brackets.

1 33.03.113 Operating instructions.

1 51.00.116 CD with the following contents.

- GridVis programming software

- GridVis functional description

1 10.01.818 Screw terminal, pluggable, 2-pin (auxiliary energy)

1 10.01.828 Screw terminal, pluggable, 4-pin (voltage measurement)

1 10.01.820 Screw terminal, pluggable, 6-pin (current measurement)

1 10.01.807 Screw terminal, pluggable, 2-pin (RS 485)

1 10.01.808 Screw terminal, pluggable, 3-pin (digital/pulse output)

Available accessories

Item no. Designation

29.01.907 Seal, 96 x 96

18.08.094 RS485, external terminating resistor, 120 ohm

15.06.015 Interface converter RS485 <-> RS232

15.06.025 Interface converter RS485 <-> USB

UMG 96RM

Product description

Intended use

The UMG 96RM is provided for the measurement

and calculation of electrical parameters such as voltage,

current, power, energy, harmonics, etc. for building

installations, to distributors, circuit breakers and busbar

trunking systems.

The UMG 96RM is suitable for installation in permanent,

weatherproof switchboards. Conducting switchboards

must be earthed. It can be mounted in any position.

Measurement voltages and measurement currents must

originate from the same grid.

The measurement results can be displayed and can

be read and processed over the RS485 interface.

The voltage measurement inputs are designed

for measuring in low voltage grids in which nominal

voltages up to 300V phase can occur in countercurrent

with ground and overvoltages of overvoltage category

III.

The UMG 96RM current measurement inputs are

connected via external ../1A or ../5A current transformers.

Measurements in medium and high voltage systems

generally use current and voltage transformers.

The UMG 96RM can be used in residential and industrial

areas.

Device characteristics

• Installation depth: 45 mm

• Supply voltage: 230 V (95 V-240 V AC)

• Frequency range: 45-65 Hz

Device functions

• 3 voltage measurements, 300 V

• 3 current measurements (via current transformer)

• RS485 interface

• 2 digital outputs

UMG 96RM

Characteristics of the basic device

• General

• Front panel-mounted with the dimensions

96x96 mm.

• Connection via screw-type terminals.

• LC display with backlighting.

• Operation via 2 buttons.

• 3 voltage measurements inputs (300V CATIII).

• 3 current measurement inputs for current

transformer.

• RS485 interface (Modbus RTU, slave,

to 115 kbps).

• 2 digital outputs.

• Working temperature range -10°C .. +55°C.

• Storage of minimum and maximum values

(without time stamp).

• Measurement uncertainty

• Active energy, measuring uncertainty class

0.5 for ../5 A transformer.

• Active energy, measuring uncertainty class

1 for ../1 A transformer.

• Reactive energy, class 2.

• Measurement

• Measurement in IT and TN networks.

• Measurement in networks with nominal voltages

up to L-L 480 V and L-N 277 V.

• Current metering range 0 .. 5 Aeff.

• True root mean square measurement (TRMS).

• Continuous scanning of voltage

and current measurement inputs.

• Frequency range of the mains frequency

45 Hz .. 65 Hz.

• Measurement of harmonics 1 to 40

for ULN and I.

• Uln, I, P (import/delivery), Q (ind./cap.).

• Recording of more than 800 measured values.

• Fourier analyses 1 to 40.

Harmonic for U and I.

• 7 power meter for

Active energy (import)

Active energy (export)

Active energy (without a backstop)

Reactive energy (ind.)

Reactive energy (capacitive)

Reactive energy (without a backstop)

Apparent energy

each for L1, L2, L3 and total.

• 8 tariffs (switching via Modbus).

UMG 96RM

Measuring method

The UMG 96RM measures uninterrupted and calculates

all root mean squares over a 9-period interval. The UMG

96RM measures the true root mean square (TRMS)

of the voltages and currents applied to the measuring

inputs.

Operating concept

There are several ways to program the UMG 96RM

and retrieve measured values.

• Directly on the device using two buttons.

• Via the programming software of the GridVis.

• Via the RS485 interface with the Modbus protocol.

Data can be changed and retrieved with the help of the

Modbus address list (stored on the accompanying

data carrier).

These operating instructions only describe the operation

of the UMG 96RM using the 2 buttons.

The programming software of the GridVis has its own

"online help".

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