Alstom i4MC Bedienungsanleitung
I4MC & i4MV
iSTAT Single-Phase Transducers
Manual
i4MC & i4MV
iSTAT Single-Phase Transducers
Publication Reference: i4MC&V/EN/M/C
i4MC&V/EN/M/C © 2014. ALSTOM, the ALSTOM logo and any alternative version thereof are trademarks and service marks of ALSTOM. The other names
mentioned, registered or not, are the property of their respective companies. The technical and other data contained in this document is provided for information only.
Neither ALSTOM, its officers or employees accept responsibility for, or should be taken as making any representation or warranty (whether express or implied), as to
the accuracy or completeness of such data or the achievement of any projected performance criteria where these are indicated. ALSTOM reserves the right to revise or
change this data at any time without further notice.
GRID
i4MC&V/EN M/C User Manual
Page 1
iSTAT i4MC&V
1. SAFETY SECTION
This Safety Section should be read before commencing any work on the equipment.
1.1 Health and Safety
The information in the Safety Section of the product documentation is intended to ensure
that products are properly installed and handled in order to maintain them in a safe condition.
It is assumed that everyone who will be associated with the equipment will be familiar with
the contents of the Safety Section.
1.2 Explanation of symbols and labels
The meaning of symbols and labels may be used on the equipment or in the product
documentation, is given below.
Caution: refer to product documentation Caution: risk of electric shock
Protective/safety *earth terminal Functional *earth terminal
Note: This symbol may also be used
for a protective/safety earth terminal if
that terminal is part of a terminal block
or sub-assembly e.g. power supply.
*NOTE: The term earth used throughout the product documentation is the
direct equivalent of the North American term ground.
i4MC&V/EN M/C User Manual
Page 2
iSTAT i4MC&V
2. INSTALLING, COMMISSIONING AND SERVICING
Equipment connections
Personnel undertaking installation, commissioning or servicing work on this equipment
should be aware of the correct working procedures to ensure safety. The product
documentation should be consulted before installing, commissioning or servicing the
equipment.
Terminals exposed during installation, commissioning and maintenance may present a
hazardous voltage unless the equipment is electrically isolated.
If there is unlocked access to the rear of the equipment, care should be taken by all
personnel to avoid electrical shock or energy hazards.
Voltage and current connections should be made using insulated crimp terminations to
ensure that terminal block insulation requirements are maintained for safety. To ensure that
wires are correctly terminated the correct crimp terminal and tool for the wire size should be
used.
Before energising the equipment it must be earthed using the protective earth terminal, or
the appropriate termination of the supply plug in the case of plug connected equipment.
Omitting or disconnecting the equipment earth may cause a safety hazard.
The recommended minimum earth wire size is 2.5mm2, unless otherwise stated in the
technical data section of the product documentation.
Before energising the equipment, the following should be checked:
Voltage rating, frequency and polarity
VT ratio and phase sequence
CT circuit rating and integrity of connections;
Protective fuse rating;
Integrity of earth connection (where applicable)
Supply voltage
External switch or circuit-breaker must be included in the installation for disconnection
of the devices’ auxiliary power supply. It must be suitably located and properly marked
for reliable disconnection of the device when needed.
Important: A current transformer secondary should be shorted before connecting the
transducer.
i4MC&V/EN M/C User Manual
Page 3
iSTAT i4MC&V
3. EQUIPMENT OPERATING CONDITIONS
The equipment should be operated within the specified electrical and environmental limits.
3.1 Current transformer circuits
Do not open the secondary circuit of a live CT since the high level voltage produced may be
lethal to personnel and could damage insulation.
be installed with the correct polarity, to avoid possible damage to the equipment.
3.2 Insulation and dielectric strength testing
Insulation testing may leave capacitors charged up to a hazardous voltage. At the end of
each part of the test, the voltage should be gradually reduced to zero, to discharge
capacitors, before the test leads are disconnected.
3.3 Opening Enclosure
There are no customer replaceable PCB cards or components within the enclosure, so the
enclosure should not be opened.
4. DECOMMISSIONING AND DISPOSAL
Decommissioning: The auxiliary supply circuit in the relay may include capacitors across
the supply or to earth. To avoid electric shock or energy hazards,
after completely isolating the supplies to the relay (both poles of any
dc supply), the capacitors should be safely discharged via the external
terminals prior to decommissioning.
Disposal: It is recommended that incineration and disposal to water courses is
avoided. The product should be disposed of in a safe manner. Any
products containing batteries should have them removed before
disposal, taking precautions to avoid short circuits. Particular
regulations within the country of operation, may apply to the disposal
of lithium batteries.
i4MC&V/EN M/C User Manual
Page 4
iSTAT i4MC&V
5. TECHNICAL SPECIFICATIONS
5.1 Protective fuse rating
The recommended maximum rating of the external protective fuse for this equipment is 6A,
Red Spot type or equivalent, unless otherwise stated in the technical data section of the
product documentation.
Insulation class: IEC 61010-1: 2001
Class II
EN 61010-1: 2001
Class II
.
Insulation Category
(Over voltage):
IEC 61010-1: 2001
Category III
EN 61010-1: 2001
Category III
Distribution level, fixed
installation. Equipment in this
category is qualification tested at
5kV peak, 1.2/50 µs, 500 ,
0.5J, between all supply circuits
and earth and also between
independent circuits.
Environment: IEC 61010-1: 2001
Pollution degree 2
EN 61010-1: 2001
Pollution degree 2
Compliance is demonstrated by
reference to generic safety
standards.
Product Safety:
2006/95/EC
EN 61010-1: 2001
Compliance with the European
Commission Low Voltage
Directive.
Compliance is demonstrated by
reference to generic safety
standards.
i4MC&V/EN M/C User Manual
iSTAT i4MC&V
Page 5
CONTENT
1. 1SAFETY SECTION
1.1 1Health and Safety
1.2 1Explanation of symbols and labels
2. 2INSTALLING, COMMISSIONING AND SERVICING
3. 3EQUIPMENT OPERATING CONDITIONS
3.1 3Current transformer circuits
3.2 3Insulation and dielectric strength testing
3.3 3Opening Enclosure
4. 3DECOMMISSIONING AND DISPOSAL
5. 4TECHNICAL SPECIFICATIONS
5.1 4Protective fuse rating
1. 9INTRODUCTION
1.1 9General
1.2 9KEY MESSAGES
1.3 9ISTAT i4Mx Family
1.3.1 9i4MV class 0.5 Voltage Transducer.
1.3.2 9i4MC class 0.5 Current transducer
1.3.3 10Software:
1.4 10Measurements
1.5 10Hardware features
1.6 10Communications
1.7 10Inputs and Outputs
2. 11HARDWARE
2.1 11The Product
2.2 11Mounting
2.3 11Connections
2.4 11Communications
2.4.1 11RS232 or RS485 communications
2.4.2 12USB communications
2.4.3 12Communication connection details
2.5 13Analogue output
2.6 13Auxiliary Supply
2.7 13Measurement Inputs
3. 14SETTINGS
3.1 14Introduction
User Manual i4MC&V/EN M/C
iSTAT i4MC&V
Page 6
3.2 14QDSP Software
3.2.1 14Devices Management
3.2.2 14Instrument settings
3.2.3 14Real time measurements
3.2.4 14Software upgrading
3.3 15Setting Procedure
3.4 15General Settings
3.4.1 15Description and Location
3.4.2 15Average Interval
3.4.3 15Maximum Demand calculation (MD mode)
3.5 15Connection
3.5.1 16Setting of current or voltage ratios
3.5.2 16Used Voltage or Current Range
3.5.3 16Nominal Frequency
3.6 17Communication
3.6.1 17Serial Communication parameters (COM1)
3.6.2 17Modbus Table of Addresses
3.6.3 17USB Communications
3.7 17Security
3.7.1 17Password setting
3.7.2 17Password modification
3.8 17Analogue output
3.8.1 17Analogue output module
3.9 19Reset Operations
3.9.1 19Reset MD values on i4MC
3.9.2 19Reset the last MD period on i4MC
4. 20INSTRUMENTATION
4.1 20Measurements
4.2 20Glossary
4.3 20Supported Measurements
4.3.1 21Voltage
4.3.2 21Current
4.3.3 21Frequency
4.3.4 21Harmonics(THD)
4.3.5 21Maximum demands (MDs)
4.3.6 21Average demands
5. 23COMMUNICATIONS
5.1 23Communications ports
5.2 23QDSP Setting and Monitoring Software
5.3 23MODBUS
i4MC&V/EN M/C User Manual
iSTAT i4MC&V
Page 7
6. 24TECHNICAL DATA
7. 28WIRING DIAGRAMS
8. 29RELATED DOCUMENTS
9. 30APPENDIX A: MODBUS COMMUNICATION PROTOCOL
10. 33APPENDIX B: CALCULATIONS & EQUATIONS
10.1 33Definitions of symbols
10.2 33Equations
User Manual i4MC&V/EN M/C
iSTAT i4MC&V
Page 8
BLANK PAGE
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