Janitza UMG 96 RM-E User manual

Doc. no. 1.040.129.0.i 02/2018

Power Analyser

UMG 96 RM-E

Residual current monitoring (RCM)

User manual and

technical data

Item no. 33.03.207

Janitza electronics GmbH

Vor dem Polstück 6

D-35633 Lahnau

Support tel. +49 6441 9642-22

Fax +49 6441 9642-30

E-mail: [email protected]

www.janitza.com

Power Analyser

UMG 96RM-E

Content

General 4

Inspection on receipt 6

Available accessories 7

Product description 8

Proper use 8

Performance characteristics – UMG 96RM-E 10

Measuring process 11

Operating concept 11

GridVis network analysis software 11

Connection variants 12

Mounting 13

Installation 15

Power supply 15

Measuring voltage 16

Current measurement via I1 to I4 22

Residual current measurement (RCM) via I5, I631

Temperature measurement input 35

RS485 interface 36

Ethernet interface 39

Digital in-/outputs 40

LED status bar 45

Operation 46

Display mode 46

Programming mode 46

Parameters and measured values 48

Conﬁguration 50

Connecting the supply voltage 50

Current and voltage transformers 50

Programming the current transformer for I1 to I352

Programming the voltage transformer 53

Programming parameters 54

TCP/IP conﬁguration 55

RS485 device address (Addr. 000) 58

RS485 baud rate (Addr. 001) 58

MODBUS gateway (Addr. 002) 59

User password (Addr. 050) 59

Parameter 60

Mean value 60

Averaging method 60

Min. and max. values 60

Mains frequency (Addr. 034) 61

Energy meter 62

Reset energy meter (Addr. 507) 62

Harmonics 63

Measured value rotation 64

Measured value indocations 64

Phase sequence 66

LCD contrast (Addr. 035) 66

Backlight 66

Time recording 67

UMG 96RM-E

Operating hours meter 68

Serial number (Addr. 754) 68

“Drag indicator” 69

Recordings 70

Putting into service 71

Connecting the supply voltage 71

Applying the measuring-circuit voltage 71

Applying the measuring-circuit current 71

Phase sequence 72

Check phase assignment 72

Checking the energy measurement 72

Applying the residual current 72

Failure monitoring (RCM) for I5, I6 73

Checking the measurement 75

Checking the individual outputs 75

Checking the total power outputs 75

RS485 interface 76

Digital outputs 78

Impulse output 80

Service and maintenance 86

Service 86

Device calibration 86

Calibration intervals 86

Firmware update 87

Battery 87

Battery monitoring function 88

Replacing the battery 89

Error/warning messages 90

Technical data 96

Function parameters 104

Table 1 – Parameter list 106

Table 2 - Modbus address list 110

Number formats 113

Dimension diagrams 114

Measured value displays overview 116

Connection example 1 122

Connection example 2 123

Basic functions quick guide 124

TCP/IP addressing quick guide 125

UMG 96RM-E

Comments on the operating manual

We welcome your comments. In the event that anything

in this operating manual seems unclear, please let

us know and send us an EMAIL to: [email protected]

Meaning of the symbols

The following pictograms are used in the operating

manual at hand:

General

This operating manual is subject to the legal requirements

for copyright protection and may not be, either in whole

or in part, photocopied, reprinted, or reproduced

by mechanical or electronic means, or in any other

manner be duplicated or redistributed without the legally

binding, written agreement of

Janitza electronics GmbH, Vor dem Polstück 1,

D 35633 Lahnau, Germany.

Trademarks

All trademarks and their resulting rights belong

to the respective holders of these rights.

Disclaimer

Janitza electronics GmbH takes no responsibility for

errors or defects within this operating manual and takes

no responsibility for keeping the contents of this

operating manual up to date.

cDangerous voltage!

Danger to life or risk of serious injury.

Disconnect system and device from power

supply before beginning work.

mCaution!

Please follow the documentation.

This symbol warns of possible dangers

that can arise during installation,

commissioning and use.

CNote!

UMG 96RM-E

Instructions for use

Please read the operating manual at hand as well as all

other publications that must be drawn from for working

with this product (in particular for the installation,

operation or maintenance).

Follow all safety regulations and warning information.

If you do not follow the information, it can result in bodily

injury and/or damage to the product.

Any unauthorized changes or use of this device, which

transcend the mechanical, electrical or otherwise stated

operating limitations, can result in bodily injury or/and

damage to the product.

Any of such unauthorized changes constitute "misuse"

and/or "negligence" in terms of the warranty for

the product and therefore eliminates the warranty for

covering any potential damage resulting from this.

This device is to be operated and maintained exclusively

by specialized personnel.

cIf the device is not operated according

to the operating manual, protection

is no longer ensured and danger can come

from the device.

mConductors made from single wires must

be ﬁtted with wire-end ferrules.

mOnly pluggable screw terminals with

the same number of poles and the

same type of construction are permitted

to be connected together.

Specialized personnel are persons, that based on their

respective training and experience, are qualiﬁed

to recognize risks and prevent potential dangers

that can be caused by the operation or maintenance

of the device.

Additional legal and safety regulations required for

the respective application are to be following during the

use of the device.

UMG 96RM-E

Inspection on receipt

The prerequisites of faultless, safe operation of this

device are proper transport and proper storage, set-

up and assembly, as well as careful operation and

maintenance. If it can be assumed that risk-free operation

is no longer possible, the unit must be immediately put

out of operation and secured against being put back into

operation again.

The packing and unpacking must be carried out with

the customary care without the use of force and only

using suitable tools. The devices should be visually

checked for ﬂawless mechanical condition.

It can be assumed that risk-free operation is no longer

possible if the device, for example,

• has visible damage

• no longer works despite the mains power supply

being intact

• has been exposed to long-term adverse conditions

(e.g. storage outside the permissible climate

limits without being adapted to the room climate,

condensation etc.) or rough handling during

transportation (e.g. fall from a height, even if there

is no visible external damage etc.)

• Please check the delivered items for completeness

before you start installing the device.

CAll screw-type terminals included in delivery

are attached to the device.

Concerning these operating instructions

These operating instructions are a part of the product.

• Read the operating instructions before using

the device.

• Keep the operating instructions throughout the entire

service life of the product and have them readily

available for reference.

• Pass the operating instructions on to each subsequent

owner or user of the product.

UMG 96RM-E

Available accessories

Number Part no. Description

2 52.22.251 Mounting clips

1 10.01.855 Screw-type terminal, pluggable, 2-pole (auxiliary power)

1 10.01.849 Screw-type terminal, pluggable, 4-pole (voltage measurement)

1 10.01.871 Screw-type terminal, pluggable, 6-pole (current measurement I1-I3)

1 10.01.875 Screw-type terminal, pluggable, 2-pole (current measurement I4)

1 10.01.865 Screw-type terminal, pluggable, 10-pole (digital/analogue inputs/outputs)

1 10.01.857 Screw-type terminal, pluggable, 2-pole (RS 485)

1 10.01.859 Screw-type terminal, pluggable, 3-pole (Digital/impulse output)

1 08.01.505 Patch cable 2m, coiled, grey (connection UMG 96RM-PC/Switch)

1 52.00.008 RS485, external terminating resistor, 120 ohm

1 21.01.058 Lithium battery CR2032, 3V (approval i.a.w. UL 1642)

1 29.01.065 Silicone seal, 96 x 96

1 15.06.015 Interface converter RS485 <-> RS232

1 15.06.025 Interface converter RS485 <-> USB

UMG 96RM-E

Product description

Proper use

The UMG 96RM-E is intended for the measurement

and calculation of electrical parameters such as voltage,

current, power, energy, harmonics etc. in building

installations, on distribution units, circuit breakers

and busbar trunking systems.

The UMG 96RM-E is suitable for integration into ﬁxed

and weatherproof switch panels. Conductive switch

panels must be earthed.

Measured voltage and measured current must derive

from the same network.

The measurement results can be displayed and can

be read out and further processed via the RS485

interface.

The voltage measurement inputs are designed for

measurements in low voltage networks, in which rated

voltages of up to 300V relative to earth and surges

in overvoltage category III can occur.

The current measurement inputs I1–I4 of the UMG 96RM-

E are connected via external ../1A or ../5A current

transformers.

By continuously monitoring the residual currents

(RCM) of an electrical system via the inputs I5 and I6,

warning pulses can be triggered if a response threshold

is exceeded. Using these, the system operator can

be alarmed before a protective equipment reacts.

The UMG 96RM-E does not provide protection against

and electric shock!

The residual current measuring is done via the current

measurement inputs I5 and I6 via an external residual

current transformer with a rated current of 30 mA.

Measurements in medium and high-voltage networks

is always done via current and voltage transformers.

mThe residual current measuring monitors

residual currents via external current

transformers and can trigger a warning

impule when a response threshold

is exceeded. Thus, the device is NOT

an independent protective device!

UMG 96RM-E

The UMG 96RM-E can be used in industrial and domestic

settings.

Device characteristics

• Supply voltage:

Option 230V: 90V - 277V (50/60Hz) or

DC 90V - 250V; 300V CATIII

Option 24V: 24 - 90V AC / DC; 150V CATIII

• Frequency range: 45 - 65Hz

Device functions

• 3 voltage measurements, 300V

• 4 current measurements

(via current transformers ../5A or ../1A)

• 2 residual current measurements

(via residual current transformers ../30mA) or

optionally 2 temperature measurements

• RS485 interface, Ethernet

• 2 digital outputs and additional 3 digital

inputs/outputs

• Clock and memory function

UMG 96RM-E

Performance characteristics – UMG 96RM-E

General

• Front panel integration device with dimensions

96x96 mm.

• Connection via pluggable screw terminals

• LCD display with backlighting

• Operation via 2 buttons

• 3 voltage and 4 current measurement inputs

• Optional 2 residual current or

temperature measurement inputs

• 2 digital outputs and 3 digital inputs/outputs

• RS485 interface

(Modbus RTU, slave, up to 115 kbps)

• Ethernet (web server)

• 256 MB ﬂash memory

(200 MB available for records)

• Clock and bettery (with battery monitoring function)

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

Uncertainty in measurement

• Active energy uncertainty in measurement class

0.5 for ../5A transformer

• Active energy uncertainty in measurement class 1

for ../1A transformer

• Reactive energy, class 2

Measurement

• Measurement in IT, TN and TT networks

• Measurement in networks with nominal voltage

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

• Measuring range current 0 to 5A eff.

• True RMS (TRMS)

• Continuous sampling of the voltage and current

measurement inputs

• Continuous monitoring of residual currents with

failure monitoring

• Temperature measurement

• Frequency range of the fundamental oscillation

45Hz .. 65Hz

• Measurements of the harmonic components 1st

to 40th for ULN and I

• Uln, I, P (reference/del.), Q (ind./cap.)

• Collection of well over 1000 measured values

• Fourier analyses 1st to 40th harmonic component

for U and I

• 7 energy counters for

active energy (reference), active energy (supply),

active energy (without return barrier),

reactive energy (ind.), reactive energy (cap.),

reactive energy (without return barrier), apparent

energy, each for L1, L2, L3 and total

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