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Printed by <strong>Bender</strong> Inc. USA Reprinting only by permission of the editor. All rights reserved. Subject to alterations. Quality System Certified ISO 9001 BENDER INC. 15 E. Uwchlan Ave. Bldg. 430 Exton, PA 19341 U.S.A. Tel.: 610-594-8595 Fax: 610-594-8576 E-mail: info@bender.org Internet: http://www.bender.org
Contents Edition dated 02/2000 1 General ..............................................................................................................................4 2 Safety instructions .............................................................................................................7 3 Warranty and liability........................................................................................................9 4 Operating principle of the <strong>EDS470</strong> system ................................................................... 10 Response values ........................................................................................................... 10 FAULT curve ................................................................................................................. 12 5 System components ........................................................................................................ 13 Basic components ........................................................................................................ 13 With or without PRC470 ............................................................................................. 14 PGH471 ........................................................................................................................ 15 <strong>EDS470</strong>-12 .................................................................................................................... 18 PRC470 ......................................................................................................................... 21 AGE470 ......................................................................................................................... 22 Serial interface RS485................................................................................................... 22 Adresses ........................................................................................................................23 Interface protocol ........................................................................................................ 23 Measuring Current Transformers ................................................................................. 24 Insulation monitoring devices ..................................................................................... 29 IRDH365-4/-3 ............................................................................................................... 29 Planning assistance ...................................................................................................... 31 6 Installation and wiring .................................................................................................... 33 Notes on the measuring period .................................................................................. 33 Coordination with the insulation monitoring device ................................................. 34 Fuses ............................................................................................................................. 35 Disconnection of the insulation monitoring device ................................................... 35 Starting up the system with an A-ISOMETER ............................................................. 36 Installing the measuring current transformers ............................................................ 38 Example of a complete circuit .................................................................................... 40 Notes on wiring diagrams ........................................................................................... 48 Cables, cable lengths ................................................................................................... 49 7 Settings and adjustments ................................................................................................ 50 Factory settings ............................................................................................................ 50 Information concerning the insulation monitoring device ........................................ 50 Characteristic curves .................................................................................................... 51 Determination of the response value ......................................................................... 54 Critical test current ....................................................................................................... 56 PRC470 menus ............................................................................................................. 57 Display test current ...................................................................................................... 69 8 Initial operation .............................................................................................................. 70 9 System extensions and options ...................................................................................... 72 The E-versions .............................................................................................................. 72 Signal converter SMO480-12 ....................................................................................... 76 RS485 repeater DI-1 ..................................................................................................... 77 Protocol converter FTC15000 ...................................................................................... 78 Switchboard kit ............................................................................................................ 78 EDS165 ......................................................................................................................... 79 Current clamps for EDS165 ......................................................................................... 80 Insulation fault location system EDS3065/EDS3060 ................................................... 81 Interferences ................................................................................................................. 82 10 Limits of the insulation fault location .......................................................................... 82 11 Increasing the sensitivity .............................................................................................. 83 12 Means for fault location ................................................................................................ 86 13 Technical data ...............................................................................................................88 14 Ordering information .................................................................................................... 96 Index ................................................................................................................................... 98 3 TGH 1243E/02.2000
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