Bender EDS460 Bedienungsanleitung

Power in electrical safety

Operating Manual

EDS460/490 and EDS461/491

Insulation fault evaluators

Software version: EDS...-D: D234 V2.11 / D256 V2.12

EDS...-L: D234 V2.11 / D216 V2.12

TGH1394en/05.2007

Dipl.-Ing. W. Bender GmbH & Co.KG

Londorfer Str. 65 • 35305 Grünberg • Germany

Postfach 1161 • 35301 Grünberg • Germany

Tel.: +49 (0)6401-807-0

Fax: +49 (0)6401-807-259

E-Mail: [email protected]om

Web: http://www.bender-de.com

©Dipl.-Ing. W. Bender GmbH & Co.KG

Reprinting only with permission

of the publisher.

Subject to change!

Table of Contents

TGH1394en/05.2007

1. How to get the most out of this manual ...................................................... 7

1.1 How to use this manual ................................................................................. 7

1.2 Explanation of symbols and notes ............................................................. 7

2. Safety instructions ........................................................................................... 9

2.1 Intended use ...................................................................................................... 9

2.2 Qualified personnel ...................................................................................... 10

2.3 Safety information ........................................................................................ 10

2.4 Warranty and liability ................................................................................... 11

2.5 Guarantee ........................................................................................................ 12

3. System description ........................................................................................ 13

3.1 Features ............................................................................................................ 13

3.1.1 Areas of application ...................................................................................... 13

3.1.2 Standards ......................................................................................................... 13

3.1.3 System versions ............................................................................................. 13

3.1.4 System features .............................................................................................. 13

3.2 Function of the EDS system ....................................................................... 14

3.2.1 Block diagram EDS system ......................................................................... 15

3.2.2 Test cycle .......................................................................................................... 16

3.2.3 Currents in the EDS system ........................................................................ 17

3.2.4 Requirements for reliable insulation fault location .......................... 18

4. Installation and connection ......................................................................... 21

4.1 Unpacking ........................................................................................................ 21

4.2 Fuses, max. voltage, cable lengths ......................................................... 21

4.3 Notes on mounting ...................................................................................... 22

4.3.1 Dimension diagram EDS460/461-D/-L .................................................. 23

4.3.2 Dimension digram EDS490/491-D/-L .................................................... 23

Table of Contents

4TGH1394en/05.2007

4.4 Connection ...................................................................................................... 24

4.4.1 Wiring diagram EDS460/461-D / -L ......................................................... 24

4.4.2 Wiring diagram EDS490/491-D / -L ......................................................... 26

4.4.3 Connection of W…, WR…, WS…-series measuring current

transformers .................................................................................................... 28

4.4.4 Connection example EDS standard system with FTC470XET ....... 29

5. Commissioning .............................................................................................. 31

5.1 Before switching on ...................................................................................... 31

5.2 Switching on ................................................................................................... 32

6. Operation ........................................................................................................ 33

6.1 EDS...-D operating and display elements ............................................. 33

6.2 EDS...-L operating and display elements .............................................. 34

6.3 Working in operating mode ...................................................................... 35

6.3.1 Standard display ............................................................................................ 35

6.3.2 Alarms and their effects .............................................................................. 35

6.3.3 Carrying out a test ......................................................................................... 37

6.3.4 Resetting saved alarm messages (RESET) ............................................. 38

6.3.5 Displaying standard information ............................................................. 39

6.4 Setting the EDS...-L ........................................................................................ 40

6.5 Operating and setting the EDS...-D ......................................................... 40

6.5.1 Opening the main menu ............................................................................ 41

6.5.2 Menu overview diagram ............................................................................. 42

6.5.3 Main menu functions ................................................................................... 43

6.6 The main menu .............................................................................................. 44

6.6.1 Menu 1: Alarm/meas. values ..................................................................... 44

6.6.2 Menu 2: History .............................................................................................. 46

6.6.3 Menu 3: Settings ............................................................................................ 47

6.6.3.1 Settings menu 1: General ................................................................... 48

6.6.3.2 Settings menu 2: Channel .................................................................. 49

6.6.3.3 Settings menu 3: Relay ........................................................................ 53

6.6.3.4 Settings menu 4: History .................................................................... 54

Table of Contents

TGH1394en/05.2007

6.6.3.5 Settings menu 5: Language .............................................................. 54

6.6.3.6 Settings menu 6: Interface ................................................................ 54

6.6.3.7 Settings menu 7: Alarm addresses ................................................. 54

6.6.3.8 Settings menu 8: Clock ....................................................................... 55

6.6.3.9 Settings menu 9: Password ............................................................... 56

6.6.3.10 Settings menu 10: Factory settings ................................................ 56

6.6.3.11 Settings menu 11: Service ................................................................. 56

6.6.4 Menu 4: Control ............................................................................................. 57

6.6.4.1 Control menu 1: TEST .......................................................................... 57

6.6.4.2 Control menu 2: RESET ....................................................................... 57

6.6.4.3 Control menu 3: Test communication .......................................... 57

6.6.5 Menu 5: External devices ............................................................................ 59

6.6.6 Menu 6: Info .................................................................................................... 62

7. Tests and service ........................................................................................... 63

7.1 Periodic tests ................................................................................................... 63

7.2 Maintenance ................................................................................................... 63

7.3 Service ............................................................................................................... 63

7.4 Troubleshooting ............................................................................................ 64

7.4.1 Display device error ...................................................................................... 64

7.4.2 Device error display (channel-related) .................................................. 65

7.4.3 CT connection fault display (channel-related) ................................... 66

7.4.4 Display "peak" ................................................................................................. 66

7.4.5 External alarm ................................................................................................. 66

8. Data .................................................................................................................. 67

8.1 Standards ......................................................................................................... 67

8.2 Approvals ......................................................................................................... 67

8.3 Technical data EDS460/490 / EDS461/491 ........................................... 68

8.4 Response sensitivity characteristics ....................................................... 71

8.4.1 Characteristic curves EDS460/490 .......................................................... 73

8.4.1.1 Characteristics for 3AC systems ....................................................... 73

8.4.1.2 Characteristics for AC systems ......................................................... 74

Table of Contents

6TGH1394en/05.2007

8.4.1.3 Characteristics for DC systems ......................................................... 76

8.4.2 Characteristic curves EDS461/491 ........................................................... 78

8.5 Ordering information ................................................................................... 79

TGH1394en/05.2007

1. How to get the most out of this manual

1.1 How to use this manual

This operating manual describes EDS460/490 bzw. EDS461/491 insula-

tion fault evaluators. It is designed for skilled personnel working in elec-

trical engineering and electronics and in particular for those designing,

installing and operating electrical systems.

Before using the equipment, please read this operating manual, the sup-

plement entitled "Important safety instructions for BENDER products",

the "BMS bus" instruction leaflet, as well as the instruction leaflets sup-

plied with the individual system components. Please keep this docu-

mentation close at hand near to the equipment.

Should you have any questions, please do not hesitate to contact our

technical sales team. We are also happy to provide on-site services.

Please contact our Service Department for more information.

Service-Hotline: 0700-BenderHelp (Telefon und Fax)

Carl-Benz-Straße 10 • 35305 Grünberg • Germany

Tel: +49(0)64 01-807 760 • Fax: +49(0)64 01- 807 629

E-Mail: info@bender-service.com • www.bender-de.com

Although reat care has been taken in the drafting of this operating man-

ual, it may nevertheless contain error and mistakes. The BENDER group

cannot accept any liability for injury to persons or damage to property

resulting from errors or mistakes in this manual.

1.2 Explanation of symbols and notes

The following terms and symbols are used to denote hazards and in-

structions in BENDER documentation:

How to get the most out of this manual

8TGH1394en/05.2007

This symbol indicates an immediate risk to life and limb.

Failure to observe these warnings means that death, se-

vere bodily injury or substantial damage to property will

occur if the corresponding precautions are not taken.

This symbol indicates a potential danger to the life and

limb.

Failure to observe these warnings means that death, se-

vere bodily injury or substantial damage to property may

occur if the corresponding precautions are not taken.

This symbol means a possibly hazardous situation.

Failure to observe these warnings means that slight bod-

ily injury or damage to property may occur if the corre-

sponding precautions are not taken.

This symbol gives important information about the cor-

rect handling of the equipment.

Failure to comply with this information can lead to mal-

functions in the equipment or in its environment.

This symbol guides you to application tips and particular-

ly useful items of information. This type of information

will help you to optimze your use of the equipment.

Danger !

Warning

Caution

TGH1394en/05.2007

2. Safety instructions

2.1 Intended use

EDS... insulation fault location systems have been designed to monitor

unearthed DC, AC and three-phase power supply systems (IT systems)

for insulation faults. Alternating and three-phase systems in the range of

AC 24 to 690 V and DC systems in the range of DC 24 to 500 V can be

monitored. The operating frequency is optionally DC, 50, 60 or 400 Hz.

The nominal system voltage varies with the type of insulation fault test

device used (PGH47., IRDH575).

An EDS system consists of the insulation fault evaluators EDS460/490 or

EDS461/491 and either the A-ISOMETER® IRDH575 or insulation fault

test device PGH. Using measuring current transformers EDS460/490 or

EDS461/491 insulation fault evaluators detect test current signals gener-

ated by the RDH575 insulation monitoring device or PGH... insulation

fault test device and evaluate them.

If the test current is too high, IRDH575 or PGH... may dam-

age sensitive loads (e.g. in control circuits) or may acci-

dentally activate switching operations. Therefore, it is

recommended to use a PGH... with a low test current or to

set a low test current at the IRDH575. The response sensi-

tivity of EDS461/491 insulation fault evaluators is higher

and hence they are capable of evaluating this low test

current.

In case of doubt, please contact a BENDER product man-

ager.

Caution

Safety instructions

10 TGH1394en/05.2007

Up to 12 measuring current transformers can be connected to one

EDS.... Up to 90 EDS... evaluators can be connected via a BMS bus (RS-

485 interface with BMS protocol), thereby up to 1080 measuring chan-

nels (sub-circuits) can be monitored. The scanning time for all channels

is approximately 4…10 s.

The individual parameterization, necessary to adjust the evaluator to the

existing system and utilization conditions, must be carried out at the

place of utilization in order to meet the requirements laid down in the

standards.

Please take note of the limits for the application area specified in the

technical data. Any other use, or use which goes beyond the foregoing

is deemed to be use other than for the intended purpose.

Use for the intended purpose also includes:

 The observation of all information in this operating manual.

 and the compliance with test intervals.

2.2 Qualified personnel

Only suitably qualified personnel may work on BENDER devices. Per-

sonnel who are familiar with the assembly, commissioning and opera-

tion of the equipment and have undergone appropriate training are

considered qualified. Such personnel must have read this manual and

understood all instructions relating to safety.

2.3 Safety information

BENDER devices are built in accordance with the state of the art and

accepted rules in respect of technical safety. Nevertheless, the use of

such devices may introduce risks to the life and limb of the user or third

parties and/or result in damage to BENDER devices or other property.

 Only use BENDER devices:

– for the purpose for which it is intended;

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