Bender cme420 Manual de usuario
Manual
EN
CME420
Multi-functional current relay, AC,
overcurrent/undercurrent/
window discriminator function
CME420_D00034_03_M_XXEN/08.2020
Table of Contents
3
CME420_D00034_03_M_XXEN/08.2020
1. Important information .................................................................................... 5
1.1 How to use this manual ................................................................................. 5
1.2 Technical support: service and support ................................................... 6
1.2.1 First level support ............................................................................................. 6
1.2.2 Repair service ..................................................................................................... 6
1.2.3 Field service ........................................................................................................ 7
1.3 Training courses ................................................................................................ 8
1.4 Delivery conditions .......................................................................................... 8
1.5 Inspection, transport and storage .............................................................. 8
1.6 Warranty and liability ...................................................................................... 9
1.7 Disposal ............................................................................................................ 10
2. Safety instructions ......................................................................................... 11
2.1 General safety instructions ........................................................................ 11
2.2 Work activities on electrical installations ............................................. 11
2.3 Intended use ................................................................................................... 12
2.4 Information about factory setting .......................................................... 12
3. Function ........................................................................................................... 13
3.1 Device features .............................................................................................. 13
3.2 Function ............................................................................................................ 13
3.2.1 Automatic self test ........................................................................................ 14
3.2.2 Manual self test .............................................................................................. 14
3.2.3 Malfunction ..................................................................................................... 14
3.2.4 Specify the number of reload cycles ...................................................... 15
3.2.5 Erasable history memory ............................................................................ 15
3.2.6 Assigning alarms to the alarm relays K/1K2 ........................................ 15
3.2.7 Residual current monitoring in window discriminator mode ...... 15
3.2.8 Time delays t, ton and toff ......................................................................... 16
Table of Contents
4CME420_D00034_03_M_XXEN/08.2020
3.2.9 Password protection (on, OFF) ................................................................. 16
3.2.10 Factory setting FAC ...................................................................................... 16
3.2.11 Display accuracy ............................................................................................ 16
4. Installation and connection ......................................................................... 17
5. Operation and setting .................................................................................. 19
5.1 Used display elements ................................................................................. 19
5.2 Function of the operating elements ...................................................... 20
5.3 Menu structure ............................................................................................... 21
5.4 Display in standard mode ......................................................................... 22
5.5 Display in menu mode ................................................................................ 23
5.5.1 Parameter query and setting: overview ................................................ 23
5.5.2 Switching over from overcurrent to undercurrent operation
or to window operation .............................................................................. 25
5.5.3 Response value setting for overcurrent: ............................................... 26
5.5.4 Setting the fault memory and operating principle of the alarm
relays .................................................................................................................. 27
5.5.5 Assigning alarm categories to the alarm relays ................................. 28
5.5.6 Setting the time delays ............................................................................... 30
5.5.7 Changing from overcurrent operation to window operation ...... 31
5.5.8 Setting the transformation ratio for external current
transformer ...................................................................................................... 32
5.5.9 Re-establishing the factory settings ....................................................... 34
5.5.10 History memory query ................................................................................. 34
5.6 Commissioning .............................................................................................. 35
5.7 Factory setting ............................................................................................... 35
5.8 Timing diagram: Current monitoring ..................................................... 36
6. Technical data ................................................................................................ 37
6.1 Data in tabular form ..................................................................................... 37
6.2 Standards, approvals and certifications ................................................ 40
6.3 Ordering information ................................................................................... 41
5
CME420_D00034_03_M_XXEN/08.2020
1. Important information
1.1 How to use this manual
Always keep this manual within easy reach for future reference.
To make it easier for you to understand and revisit certain sections in this man-
ual, we have used symbols to identify important instructions and information.
The meaning of these symbols is explained below:
This manual is intended for qualified personnel working in
electrical engineering and electronics!
This signal word indicates that there is a high risk of danger
that will result in electrocution or serious injury if not
avoided.
This signal word indicates a medium risk of danger that
can lead to death or serious injury if not avoided.
This signal word indicates a low level risk that can result in
minor or moderate injury or damage to property if not
avoided.
This symbol denotes information intended to assist the user
in making optimum use of the product.
DANGER
WARNING
CAUTION
Important information
6CME420_D00034_03_M_XXEN/08.2020
1.2 Technical support: service and support
For commissioning and troubleshooting Bender offers you:
1.2.1 First level support
Technical support by phone or e-mail for all Bender products
Questions concerning specific customer applications
Commissioning
Troubleshooting
Telephone: +49 6401 807-760*
Fax: +49 6401 807-259
In Germany only: 0700BenderHelp (Tel. and Fax)
E-mail: [email protected]
1.2.2 Repair service
Repair, calibration, update and replacement service for Bender products
Repairing, calibrating, testing and analysing Bender products
Hardware and software update for Bender devices
Delivery of replacement devices in the event of faulty or incorrectly
delivered Bender devices
Extended guarantee for Bender devices, which includes an in-house
repair service or replacement devices at no extra cost
Telephone: +49 6401 807-780** (technical issues)
+49 6401 807-784**, -785** (sales)
Fax: +49 6401 807-789
E-mail: [email protected]
Please send the devices for repair to the following address:
Bender GmbH, Repair-Service,
Londorfer Str. 65,
35305 Grünberg
Important information
7
CME420_D00034_03_M_XXEN/08.2020
1.2.3 Field service
On-site service for all Bender products
Commissioning, configuring, maintenance, troubleshooting of Bender
products
Analysis of the electrical installation in the building (power quality test,
EMC test, thermography)
Training courses for customers
Telephone: +49 6401 807-752**, -762 **(technical issues)
+49 6401 807-753** (sales)
Fax: +49 6401 807-759
E-mail: fieldservice@bender.de
Internet: www.bender.de
*Available from 7.00 a.m. to 8.00 p.m. 365 days a year (CET/UTC+1)
**Mo-Thu 7.00 a.m. - 8.00 p.m., Fr 7.00 a.m. - 13.00 p.m
Important information
8CME420_D00034_03_M_XXEN/08.2020
1.3 Training courses
Bender is happy to provide training regarding the use of test equipment.
The dates of training courses and workshops can be found on the Internet at
www.bender.de -> Know-how -> Seminars.
1.4 Delivery conditions
Bender sale and delivery conditions apply.
For software products the "Softwareklausel zur Überlassung von Standard-
Software als Teil von Lieferungen, Ergänzung und Änderung der Allgemeinen
Lieferbedingungen für Erzeugnisse und Leistungen der Elektroindustrie"
(software clause in respect of the licensing of standard software as part of de-
liveries, modifications and changes to general delivery conditions for prod-
ucts and services in the electrical industry) set out by the ZVEI (Zentralverband
Elektrotechnik- und Elektronikindustrie e. V.) (German Electrical and Electron-
ic Manufacturer's Association) also applies.
Sale and delivery conditions can be obtained from Bender in printed or elec-
tronic format.
1.5 Inspection, transport and storage
Inspect the dispatch and equipment packaging for damage, and compare the
contents of the package with the delivery documents. In the event of damage
in transit, please contact Bender immediately.
The devices must only be stored in areas where they are protected from dust,
damp, and spray and dripping water, and in which the specified storage tem-
peratures can be ensured.
Important information
9
CME420_D00034_03_M_XXEN/08.2020
1.6 Warranty and liability
Warranty and liability claims in the event of injury to persons or damage to
property are excluded if they can be attributed to one or more of the follow-
ing causes:
Improper use of the device.
Incorrect mounting, commissioning, operation and maintenance of the
device.
Failure to observe the instructions in this operating manual regarding
transport, commissioning, operation and maintenance of the device.
Unauthorised changes to the device made by parties other than the
manufacturer.
Non-observance of technical data.
Repairs carried out incorrectly and the use of replacement parts or
accessories not approved by the manufacturer.
Catastrophes caused by external influences and force majeure.
Mounting and installation with device combinations not recom-
mended by the manufacturer.
This operating manual, especially the safety instructions,
must be observed by all personnel working on the device. Furthermore,
the rules and regulations that apply for accident prevention at the place of use
must be observed.
Important information
10 CME420_D00034_03_M_XXEN/08.2020
1.7 Disposal
Abide by the national regulations and laws governing the disposal of this de-
vice. Ask your supplier if you are not sure how to dispose of the old equip-
ment.
The directive on waste electrical and electronic equipment (WEEE directive)
and the directive on the restriction of certain hazardous substances in electri-
cal and electronic equipment (RoHS directive) apply in the European Commu-
nity. In Germany, these policies are implemented through the "Electrical and
Electronic Equipment Act" (ElektroG). According to this, the following applies:
Electrical and electronic equipment are not part of household waste.
Batteries and accumulators are not part of household waste and must
be disposed of in accordance with the regulations.
Old electrical and electronic equipment from users other than private
households which was introduced to the market after 13 August 2005
must be taken back by the manufacturer and disposed of properly.
For more information on the disposal of Bender devices, refer to our
homepage at www.bender.de -> Service & support.
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