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Insulation monitoring device for
IT DC systems 350 ... 800 V

IR5000

Operating Manual

TGH 1269E

Edition 04.2002

Q u a l i t y S y s t e m

C e r t i f i e d

I S O 9 0 0 1

MiniMax

IR5000

ALARM L-

ALARM L+

ENTER

Ω

MONITOR

****** BENDER ******

A - ISOMETER IR5000

Version 1.2 / 5.96

ENTER

Содержание IR5000

Страница 1: ...g device for IT DC systems 350 800 V IR5000 Operating Manual TGH 1269E Edition 04 2002 Quality System Certified I S O 9 0 0 1 MiniMax IR5000 ALARM L ALARM L ENTER kΩ MONITOR BENDER A ISOMETER IR5000 Version 1 2 5 96 ENTER ...

Страница 2: ...01 807 0 Fax 06401 807 259 E Mail info bender de com Insulation monitoring device IR5000 Operating manual TGH 1269E Edition 04 2002 Edited by Dipl Ing W BENDER GmbH CoKG This manual may not be copied in whole or part without written consent of BENDER All rights reserved Right to modifications reserved ...

Страница 3: ...6 5 Setting and operation 17 Function keys 17 Welcome screen 17 Main screen 17 Menus 18 The individual menus 19 Setting the response values 19 Time response 19 Indication of the time response 21 Operating principle of the alarm relays 21 N O or N C operation 22 Setting the threshold of the voltage 22 Setting the serial interface 23 Adjusting digital input 1 23 Temperature display 24 Setting date a...

Страница 4: ...ity of power supply is concerned the IT system i e the unearthed system is the right choice In contrast to the earthed system the first insulation fault does not lead to a disconnection Combined with a well chosen insulation monitoring device insulation faults and deteriorations are recognized early possibly when developing Hence increased availability of power supply in an IT system stands and fa...

Страница 5: ...fferent parameters The measured values can be transmitted to peripheral devices e g computers or PLC via serial interfaces The device parameter settings are stored in a non volatile EEPROM The values of the insulation resistance and the time when the measurements are carried out are indicated by the internal real time clock The measuring circuit is isolated from the output circuits relays interfac...

Страница 6: ...ave read and understood the safety chapter and the warning information in this operating manual The copyright to this operating manual shall remain with the BENDER Companies The operating manual is solely intended for the operator and his personnel It contains regulations and information which must not be reproduced disseminated or otherwise divulged either in whole or in part Contraventions may e...

Страница 7: ... IR5000 Explanations of symbols and warnings The IR5000 is constructed according to the state of the art and the recognized safety engineering rules Nevertheless when it is being used hazards may occur to the life and limb of the user or of third parties or there may be adverse effects on the IR5000 or on other valuable property The IR5000 must only be used for the purpose for which it is intended...

Страница 8: ...hange of a product which has been sent to BENDER within the warranty period The qualifying conditions are that BENDER shall recognize the product as being faulty and that the fault cannot be attributed to improper handling or modification of the device nor to abnormal operating conditions Any warranty obligation shall lapse if repairs are undertaken on the IR5000 by persons who are not authorized ...

Страница 9: ...some respect the measuring time is dependent on the system leakage capacitances CE and CE illustrated below The capacitances are always recharged when the coupling switches are closed resp opened internal coupling monitored system L PE L S1 R1 1 Rm1 S2 R2 1 Rm2 RF RF CE CE R1 R2 UN U1 U2 The time delay prevents false trippings during recharging S1 closed S2 opened measuring of the voltage U1 at Rm...

Страница 10: ...ing principle This entails some specialities regarding the measured insulation values If the relation between the single insulation values RF and RF is high asymmetrical faults the accuracy of the higher value is less than the accuracy of the lower value because the measuring voltage drop for an insulation fault is gathered at the opposite side of the coupling network That means that the main meas...

Страница 11: ...e monitored as well as to the optional coupling device AG5000 The lower terminal box contains terminals for PE coupling supply voltage contacts of the alarm relay serial interfaces temperature sensor input digital inputs and analog output IR5000 ALARM L ALARM L ENTER kΩ MONITOR BENDER A ISOMETER IR5000 Version 1 2 5 96 ENTER RS232 Isolate elsewhere before opening Vorsicht Spannung Attention Danger...

Страница 12: ...12 TGH 1269E side view right Product description top view General dimensions according to DIN 7168 dimensions in mm 147 327 71 277 203 5 4 2 100 100 80 227 237 277 front view Dimension diagrams ...

Страница 13: ...13 TGH 1269E Product description Dimensions coupling device AG5000 130 143 Ø 6 5 260 302 22 80 103 ...

Страница 14: ...oltage UN DC 350 800 V US DC 110 V AC 100 240 V P1 H1 H2 RS485 RS232 S1 S2 S3 S4 S5 Coupling device AG5000 AK1 L AK1 L AK1 U AK1 U T1 T2 A B RxD TxD SGND RTS CTS Sub D K1 K2 K3 PE PE2 S PE E1 E2 EG M M external digital input optional analog output 0 20 mA L L L1 L N L IR5000 ...

Страница 15: ... 1 and 2 L L system coupling L L L system coupling L AK1 L AK1 L output L of coupling device AG5000 AK1 L AK1 L outputg L of coupling device AG5000 AK1 U AK1 U input U of coupling device AG5000 AK1 U AK1 U input U of coupling device AG5000 T1 T1 positive input temperature measuring of coupling device AG5000 T2 T2 negative input temperature measuring of coupling device AG5000 PE PE coupling PE eart...

Страница 16: ...the measuring circuit to the system to be monitored and the connection to the optional coupling device AG5000 Lower terminal box X12 X13 X14 X16 X15 X17 X18 X19 X10 X11 L1 l N L PE PE PE2 12 11 14 11 22 21 24 21 32 31 34 31 E1 EG E2 EG RTS T1 M T2 M RxD TxD PE B A GND PE SUPPLY ALARM L ALARM L AL SYSTEM External Inputs RS232 RS485 Temp Input Analogue Output The lower terminal box is equipped with ...

Страница 17: ...e the main screen will be displayed immediately The picture above shows a main screen typical for IR5000 during operation U 564 V The currently applicable measuring value of the negative pole to earth voltage is 564 V UN 620 V The current measured value of the nominal system voltage is 620 V RF 100kΩ The negative pole to earth insulation resistance is 100 kΩ calculated value RF 10 kΩ The positive ...

Страница 18: ... the menu selection Of course not all the menus can be presented within one four line LC display You can choose between 3 menus by scrolling the display via the UP and DOWN keys The other menus can be selected by scrolling the DOWN key In order to activate the desired menu scroll the UP and DOWN keys and position the cursor on the respective digit Then activate the menu by pushing the ENTER key Al...

Страница 19: ...key The digit can be changed in 1 unit steps If you position the cursor on k of the dimension kΩ for example you can change the dimension from Ω into kΩ or vice versa by scrolling the UP and DOWN key Confirming with ENTER after finishing the modifications returns you to the previous screen In the same way the response value for the negative fault AL can be changed Positioning the cursor onto 1 MAI...

Страница 20: ...ault has been cleared The counter stops running as soon as the insulation fault is cleared within the running DELAY TIME The WINDOW TIME also starts running when an insulation fault is detected Yet unlike the DELAY TIME the WINDOW TIME will not be interrupted if the insulation fault is cleared within this period The following diagram shows the correlation between fault detection and the different ...

Страница 21: ...elapsed time of the fault The bar graph appears in the last line of the LC display whilst the other information and the actual time disappear Note The bar graph indication of the time elapse is only displayed during setting of alarm not during resetting of alarm U 350 V UN 620 V RF 100kΩ RF 85kΩ AL 100kΩ AL 10kΩ DELAY L Indication of the time response After setting the DELAY TIME and WINDOW TIME c...

Страница 22: ...icture above By scrolling the UP and DOWN keys it is possible to select between N CLOSED and N OPEN Confirming with ENTER returns you to the previous mask From there you will return to the main menu 1 MAIN MENU 2 MIN ALARM SYSTEM VOLTAGE 350V ENTER Setting the threshold of the voltage Select 5 ALARM SYST VOLTAGE from the main menu to set the threshold of the system voltage If the value falls below...

Страница 23: ...face can be set Adjusting digital input 1 If you are going to adjust the digital input 1 connection terminals E1 and E6 select the sub menu 7 ENABLE MEASUREM from the main menu 1 MAIN MENU 2 ENABLE MEASUREM INPUT HIGH ACT ENTER After selecting the sub menu 2 ENABLE MEASUREM INPUT and confirming with ENTER select between NOT ACTIVE HIGH ACTIVE and LOW ACTIVE by scrolling the UP and DOWN keys Explan...

Страница 24: ...ate and time Select the submenu 9 SET CLOCK from the main menu for setting the real time clock Date and time can be set Position the cursor onto the submenu 2 DATE and confirm with ENTER for setting the date The cursor will move to the array DATE in this picture the 30th By scrolling the UP and DOWN keys the date can be changed upwards or downwards Using the LEFT and RIGHT keys you can move to the...

Страница 25: ...ngs The settings described in this chapter allow for optimal adaptation to the individual application of the system Before starting operation please check if the factory settings suit your needs If necessary make the respective changes The following parameters are pre set Response values Menu 2 RESPONSE VALUES 1 kΩ 1 kΩ Response times Menu 3 ALARM TIMING Delay time 10 s Window time 50 s Relay mode...

Страница 26: ...external digital input 1 and the serial interface Connect the positive pole of the IT system to the IR5000 terminal L Connect the negative pole of the IT system to the IR5000 terminal L Attention For short circuit protection the connections to the system coupling L and L have to be equipped with a protective device a fuse of 6 A is recommended Connect the supply voltage to the IR5000 terminals L1 ...

Страница 27: ...y S4 LEFT key S5 ENTER key E1 E1 Digital input 1 measurement suppression E2 E2 Digital input 2 without function at the moment EG EG Earth terminal of digital inputs 1 2 L L System coupling L L L System coupling L AK1 L AK1 L Output L of coupling device AG5000 AK1 L AK1 L Output L an of coupling device AG5000 AK1 U AK1 U Input U of coupling device AG5000 AK1 U AK1 U Input U of coupling device AG500...

Страница 28: ...res PE and PE2 All of these terminals are in the lower terminal box Please install the ferrit core according to the following diagram X12 X13 X14 X16 X15 X17 X18 X19 X10 X11 L1 l N L PE PE PE2 12 11 14 11 22 21 24 21 32 31 34 31 E1 EG E2 EG RTS T1 M T2 M RxD TxD PE B A GND PE SUPPLY ALARM L ALARM L AL SYSTEM External Inputs RS232 RS485 Temp Input Analogue Output one winding per cable small ferrit ...

Страница 29: ...at the system voltage has fallen below the pre set minimum value 350 V resp 100 V DC CRITICAL ERROR Un 350 V As shown in the picture above IR5000 provides detailed descriptions about the nature of error In this case it is recommended to measure the system voltage From the display CRITICAL ERROR you have the possibility to get to the setting menu by activating the RIGHT key MEASURING SUPPRESSION AC...

Страница 30: ...he display or its control circuit IR5000 defective 4 I2 C Error Error of the non volatile memory IR5000 defective 5 Temperature Temperature inside the casing of IR5000 or the Error external coupling device AG5000 is too high Measurements will be stopped as soon as the temperature inside the coupling device exceeds 150 C 6 No PE There is no PE connection to IR5000 Touching the device may result in ...

Страница 31: ...istance of one conductor falls below 5 Ω the shift voltage of the other conductor is too low to calculate any value In this case the LC display indicates XXXX for this high resistance insulation fault Different insulation faults and the respective indications are listed in the table below Value of insulation fault Indication Remarks RF RF RF RF 20Ω 100Ω 20Ω 100Ω Ratio of positive negative faults i...

Страница 32: ... negative conductor against PE Alarm L Alarm relay K1 Alarm L Alarm relay K2 Contact Rel 1 Operating mode of alarm relay 1 Contact Rel 2 Operating mode of alarm relay 2 Temp Int Temperature inside the casing of IR5000 Temp Ext Temperature inside the coupling device AG5000 Coupling No Coupling being switched on High Low Meas En Dis Measurement suppression active passive Time Time of day Date Date F...

Страница 33: ... circuit Internal resistance DC Ri plus Ri minus 1 MΩ 500 kΩ Internal resistance DC Ri plus Ri minus with AG5000 10 kΩ 5 kΩ Relay outputs Contact circuit Switching components 3 change over contact Contact class acc to DIN IEC 60255 Teil 0 20 IIB Rated contact voltage AC 250 V DC 300 V Admissible number of operations 12000 cycles Limited making capacity UC 5 A Limited breaking capacity at AC 230 V ...

Страница 34: ...ns immunity tests acc to IEC 61000 4 11 severity degree 3 Emissions acc to EN 50081 2 Emissions acc to EN 55011 CISPR11 class B Mechanical tests Shock resistance acc to IEC 6068 2 27 15 g 11 ms Bumping acc to IEC 6068 2 29 40 g 6 ms Vibration strength acc to IEC 6068 2 6 10 150 Hz 0 15 mm 2g Environmental conditions Ambient temperature during operation 15 C 55 C Storage temperature range 40 C 70 C...

Страница 35: ... 0 7 1 5 3 5 6 1 0 4 0 6 1 5 4 5 5 1 0 5 0 5 1 5 5 5 4 1 0 6 0 4 1 5 6 5 3 1 0 4 1 0 6 5 4 1 5 5 0 5 1 0 5 5 5 1 5 4 0 6 1 0 4 5 6 1 5 3 0 7 1 0 3 5 7 1 5 2 0 8 1 0 2 5 8 1 5 1 0 9 1 0 1 5 9 1 5 0 0 2 0 I mA Rf kΩ I mA Rf kΩ Current resistance table Diagram current output 0 20 mA Diagram current output IR5000 I mA Rf kΩ Analog output IR5000 The IR5000 provides one analog output of 0 20 mA which is...

Страница 36: ...nstallation insert the installation disk into the respective PC drive Select this drive and call up the installation program by typing INSTALL and confirming with ENTER On drive C an ISODATA directory will be created to which all the necessary program parts will be copied Within this ISODATA directory a sub directory DATA will be created where the files with the entire measuring data are saved lat...

Страница 37: ...ched or the session will be aborted by the user Since the file size is below 1 4 MB it is possible to save this file to a 3 5 disk HD format After entering a new file name or confirming the pre set name the main screen appears The main screen Exit Transmission View Print Setup 13 45 No connection Statusline shows received data during transmission Status line indicates whether IR5000 is online or o...

Страница 38: ...udes the following submenus Start Stop Starting and stopping during transfer the data transfer between IR5000 and ISODATA Filename Changing the filename is not possible except when changing the Bender device Erase File The file to be erased can be selected from a subdirectory of the selection box Exit Transmission View Print Setup 13 45 Connection OK Start Stop Filename Erase File Results IR5000 F...

Страница 39: ...ime Time of day Date Date MeasCount Internal counter for the number of measuring passes for one valid measurement RecCount Counter for the number of identical insulation fault values RF corresponding to the setting Reference value Failure Code Code of the internal CRITICAL ERROR Data string Explanation 001000 AL in Ω 001000 AL in Ω 000796 RF in Ω 000803 RF in Ω 090000 RF in Ω 569 UN in V 005 UL in...

Страница 40: ...TA saves the measuring values the deviation of the insulation fault RF from the previous measuring value is displayed in per cent A value exceeding this percentage saves storage space on the storage medium Pre setting is 10 Mono color Adaptation of ISODATA to colour resp monochrome displays Save Saving of modified settings into the file ISODATA CFG Activating the submenu PRINT outputs the existing...

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