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Tests and service

TGH1429en/10.2008

7.4.3

CT connection fault display (channel-related)

LED "ALARM 1" lights up. The common alarm relay switches. The
EDS460-DG displays:

The "CT fault" is displayed in the same way as "Display device error" on
page 58.

Possible causes:

Measuring current transformer defective

Power supply cable interrupted

Power supply cable short-circuited

7.4.4

Display "peak"

System-related faults may impair the insulation fault location process.
The EDS460-DG marks the faulty channels in the "Alarm/meas.values"
menu with "peak".

7.4.5

External alarm

LED "ALARM 2" lights up. The common alarm relay switches.

Possible causes:

Alarm message from an external device

Device failure

Fault

1/1

CT fault

Addr.: 2 Channel: 4

I(ds)

I(d)

peak

<100mA

Содержание EDS460-DG

Страница 1: ...Power in electrical safety Operating Manual EDS460 DG Insulation fault evaluators Software version D303 V1 0 D256 V2 2 TGH1429en 10 2008...

Страница 2: ...rg Germany Postfach 1161 35301 Gr nberg Germany Tel 49 0 6401 807 0 Fax 49 0 6401 807 259 E Mail info bender de com Web http www bender de com Dipl Ing W Bender GmbH Co KG All rights reserved Reprinti...

Страница 3: ...m description 13 3 1 Properties 13 3 1 1 Typical applications 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 1...

Страница 4: ...5 6 2 5 Displaying standard information 36 6 3 Operation and setting of the EDS460 DG 36 6 3 1 Opening the main menu 36 6 3 2 Menu overview diagram 38 6 3 3 Main menu functions 39 6 4 The main menu 40...

Страница 5: ...s and service 57 7 1 Periodic verification 57 7 2 Maintenance 57 7 3 Service 57 7 4 Trouble shooting 58 7 4 1 Display device error 58 7 4 2 Device error display channel related 59 7 4 3 CT connection...

Страница 6: ...Table of Contents 6 TGH1429en 10 2008...

Страница 7: ...his docu mentation close at hand near the equipment Should you have any further questions we would be happy to be of as sistance Please contact our technical sales team We also offer a wide range of o...

Страница 8: ...terial damage 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 material d...

Страница 9: ...on moni toring device or by the PGH insulation fault test device and evaluate them Up to 12 measuring current transformers can be connected to one EDS460 DG Up to 90 EDS460 DG evaluators can be connec...

Страница 10: ...with the assembly commissioning and operation of the equipment and have undergone appropriate training are considered qualified Personnel must have read and understood the safety section and warning i...

Страница 11: ...Failure to observe this requirement can result in fire electric shock and injury Reference plates must always be clearly legible Replace damaged or illegible signs immediately 2 4 Delivery conditions...

Страница 12: ...Safety information 12 TGH1429en 10 2008...

Страница 13: ...S systems al low fast localisation of insulation faults 3 1 3 System versions Insulation fault evaluators EDS460 DG 1 and EDS460 DG 2 differ in their supply voltage 3 1 4 System features Universal sys...

Страница 14: ...current is limited in amplitude and time As this happens the system conductors are connected alternately to earth via a defined resistance The test current generated in this manner depends on the size...

Страница 15: ...on fault test device IRDH575 A ISOMETER IRDH575 with integrated test current generator Us Current source IT system W Measuring current transformers V Electrical load RF Insulation fault PE Protective...

Страница 16: ...e is 6 seconds The IRDH575 or PGH alternatively sends positive or negative test current pulses The test cycle of the IRDH575 or PGH is shown in different switch posi tions 1 2 3 in the block diagram b...

Страница 17: ...s I d example may be caused by converters CE V Upstream capacitances system leakage capacitances upstream the measuring current transformer CE N Downstream capacitances system leakage capacitances dow...

Страница 18: ...ults downstream of the measuring current transformer RF N For this purpose the test current caused by the insulation fault has to be detected reliably Preconditions are The test current I ds exceeds 1...

Страница 19: ...current of 0 4 A 20 Hz marked with a point in the diagram would be outside the permissible range Symmetrical insulation faults downstream of the meas uring current transformer are not recognised under...

Страница 20: ...System description 20 TGH1429en 10 2008...

Страница 21: ...nsidered Leave the devices to stand for 3 to 4 hours at room temperature before connecting the power supply When the devices are moved from a cold to a warm environment condensation will be evident on...

Страница 22: ...the Transformer installation technical information When connect ing the measuring current transformers it is essential that you observe the maximum cable lengths 4 3 1 Dimension diagram EDS460 DG Dim...

Страница 23: ...Installation and connection 23 TGH1429en 10 2008 4 4 Connection 4 4 1 Wiring diagram EDS460 DG EDS460 D W W W W W W W W W W W W...

Страница 24: ...n IT systems k1 l k12 l Connection of measuring current transformers 1 12 A B BMS bus RS 485 interface with BMS protocol R R T External RESET button N O contact T R T External TEST button N O contact...

Страница 25: ...GH1429en 10 2008 4 4 2 Connection of W WR WS series measuring current transformers The terminals 1 and 2 as well as the terminals 3 and 4 are bridged internally The connectionsk and l at theEDS460 DG...

Страница 26: ...asuring current transformers are not suitable for EDS460 DG and must not be used Only if these notes are observed will you obtain a true measurement result Additional information is available in our T...

Страница 27: ...Installation and connection 27 TGH1429en 10 2008 IRDH575 EDS460 DG EDS460 DG FTC470XET Ethernet R F RJ45 Connection example...

Страница 28: ...Installation and connection 28 TGH1429en 10 2008...

Страница 29: ...5 or PGH been observed 3 Are you sure that the PE conductor has not been routed through the measuring current transformer at any point 4 In mounting the measuring current transformers have any magneti...

Страница 30: ...dicated by means of the alarm LED lighting up and an associated message appearing on the graphic display You can find information about the alarms in the Alarm Meas val ues menu Eliminate the insulati...

Страница 31: ...n a meas uring channel EDS function 3 The ON LED lights up when the device is switched on and flashes during power on until the device is ready for operation 4 INFO key to query standard information E...

Страница 32: ...ation faults or when the residual current is 2 A A measuring current transformer fault or measuring current trans former connection fault Device error The EDS460 DG signals alarm or device error LED A...

Страница 33: ...measured mean value of the residual current Line 4 BMS bus address of the EDS460 DG and measuring channel on which the alarm has occurred Press the INFO key to display the schematic representation fo...

Страница 34: ...responds as follows LED ALARM 1 and LED ALARM 2 light All alarm relays switch function can be deactivated see page 48 An alarm message is being sent to the BMS bus An entry is made in the history mem...

Страница 35: ...arm message A reset is carried out by pressing the RESET button on the front panel of the EDS460 DG pressing an external reset button connected to the EDS460 DG sending a reset command via the BMS bus...

Страница 36: ...Line 1 Device type Line 2 Date time Line 3 Address set on the BMS bus Line 4 Measuring technology software version Line 5 Date of the measuring technology software version Line 6 Communication softwa...

Страница 37: ...essed for longer than five minutes Exceptions The Test and Test communi cation functions Settings can be password protected When an attempt is made to change settings the password entry screen ap pear...

Страница 38: ...xit 1 Alarm meas values 4 Control 2 History 6 Info 3 Settings 1 General Exit 2 Channel 3 Relay Exit 1 TEST 2 RESET 3 Test communication 5 Language 6 Interface 8 Clock 9 Password 10 Factory setting 11...

Страница 39: ...nowledge ments and associated times Displays the minimum and maximum I ds measured value with address and channel 42 3 Settings Carry out settings for EDS460 DG 43 4 Control This menu offers various c...

Страница 40: ...r 1 12 Column 2 Alarm status No alarm Alarm Column 3 I ds Currently measured test current Column 4 I d Currently measured residual current The accuracy ofthe displayed test current depends on the syst...

Страница 41: ...y measured and displayed If the residual current exceeds 100 mA it will be indicated on the dis play If the residual current exceeds 2 A an alarm message will be signalled Once the residual current re...

Страница 42: ...time Line 3 Event acknowledgement e g alarm deleted at IRDH575 MK800 MK2430 FTC470 Date time Line 4 Event end Date time 1 If you are searching for an event that occurred at a specific time use the ar...

Страница 43: ...the residual current has been exceeded 45 3 Relay Set the mode of operation and type of fault that you wish to cause a switching operation for common alarm relay 48 4 History Erasing the history memo...

Страница 44: ...t test current pulses can still be reliably detected in the event of interference Sources for interference include for example variable speed drives power converters actua tors suppressor filters PLCs...

Страница 45: ...a measuring channel 1 Use the S key to go to the measuring channel setting Press the key 2 Use the UP DOWN keys to select a single measuring channel or all measuring channels 1 12 Press to confirm you...

Страница 46: ...is deactivated The following measuring current transformer types can be used W WR WS 3 Response delay T on This is the response delay before the alarm is activated This time delay is necessary in case...

Страница 47: ...lt for the duration of two test current pulses 5 CT monitoring Enable or disable the measuring current transformer connection moni toring on Measuring current transformers are monitored Open circuit s...

Страница 48: ...ignalled Alarm 1 This alarm message can be deactivated on Alarm when the residual current response value is ex ceeded off No alarm when the residual current response value is ex ceeded for specific ap...

Страница 49: ...arm on Relay switches in the event of an alarm off Relay does not switch in the event of an alarm 3 Device error on Relay switches in the event of a device error off Relay does not switch in the event...

Страница 50: ...s 1 90 6 4 3 7 Settings menu 7 Alarm addresses Setting of the bus addresses 1 150 externally connected to the BMS bus the alarm messages of which are to be displayed on this EDS460 DG Set the addresse...

Страница 51: ...month day year 2 Date Set the date e g 20 07 2006 3 Time Set the time e g 16 44 4 Summer time Setting for automatic switchover to central European summer time auto Automatic switchover off No switcho...

Страница 52: ...entheses in the technical data 6 4 3 11 Settings menu 11 Service This menu is intended for Bender service employees only Settings can bepassword protected Ifthe passwordisac tivated enabled all settin...

Страница 53: ...t inadvertently the operator must once again confirm this entry 6 4 4 3 Control menu 3 Test communication This function enables you to test communication between the EDS460 DG and other BMS equipment...

Страница 54: ...ample Alarm insulation fault on channel 1 1 Select channel 1 2 Once the key is pressed the alarm is transmitted on the BMS bus This is represented by the alarm indication Channel disabled Exit 1 Chan...

Страница 55: ...tomatically in the external device After calling up this menu the address and type of devices already stored will be displayed The display will be updated every five minutes Use the UP DOWN keys to se...

Страница 56: ...een recognised the EDS460 DG reads the current settings of the connected device The address and the device type will be displayed in the first line 6 4 6 Menu 6 Info This menu displays standard inform...

Страница 57: ...pressing the TEST button on the front panel of the EDS460 DG pressing an external test button or calling the TEST function in the Control menu Observe the applicable national and international standa...

Страница 58: ...e Error code Description 1 Measurement technique Fault parameter memory EEP ROM FLASH 2 Measurement technique Fault data memory RAM 4 Measurement technique No boot loader available 11 Measurement tech...

Страница 59: ...e 2 Alarm status and alarm text No alarm Alarm Line 3 Error code refer to Display device error on page 58 Line 4 BMS bus address of the EDS460 DG and measuring channel on which the alarm has occurred...

Страница 60: ...current transformer defective Power supply cable interrupted Power supply cable short circuited 7 4 4 Display peak System related faults may impair the insulation fault location process The EDS460 DG...

Страница 61: ...on of HD 60364 4 41 2007 IEC 61557 9 1999 Electrical safety in low voltage distribution systems up to AC 1 kV and DC 1 5 kV Equipment for testing measuring or monitoring of protective measures Part 9...

Страница 62: ...ge Un DC 20 308 V External measuring current transformer W WR WS series CT monitoring on off on Burden 68 Rated insulation voltage measuring current transformer 800 V Response sensitivity 2 10 mA 2 mA...

Страница 63: ...l conductor at one end not earthed J Y ST Y min 2x0 8J Y ST Y min 2x0 8 Switching elements Number 2 relays each with 1 changeover contact Operating principle N C N O operation N O operation Electrical...

Страница 64: ...operties rigid flexible 0 2 2 5 mm2 AWG 24 14 Flexible with ferrules 0 2 1 5 mm2 AWG 24 16 Stripping length 10 mm Opening force 50 N Test opening diameter 2 1 mm General data Operating mode continuous...

Страница 65: ...includ ing the tolerances of the measuring current transformers The characteristic curves apply to the respective nominal voltage indicated in the diagram If the nominal voltage of the system being m...

Страница 66: ...ue of 2 mA factory setting Mark the system leakage capacitance Ce on the char acteristic Read off the relevant resistance Re from the characteristic The resistance Re thus calculated indicates the max...

Страница 67: ...4 1 EDS460 DG characteristics DC 24 V 0 2 4 6 8 10 12 14 16 18 0 50 100 150 200 250 300 350 400 450 Ce F Re kOhm 2mA 5mA 10mA DC 60 V 0 5 10 15 20 25 30 35 40 45 50 0 50 100 150 200 250 300 350 400 45...

Страница 68: ...Data 68 TGH1429en 10 2008 DC 110 V 0 10 20 30 40 50 60 70 80 90 0 50 100 150 200 250 300 Ce F Re kOhm 2mA 5mA 10mA DC 230 V 0 20 40 60 80 100 120 140 160 180 200 0 50 100 150 Ce F Re kOhm 2mA 5mA 10mA...

Страница 69: ...climatic and mechanical stresses Type Supply voltage Us Response value Art No EDS460 DG 1 DC 16 94 V AC 42 460 Hz 16 72 V 2 10 mA B 9108 0018 EDS460 DG 2 AC DC 70 276 V AC 42 460 Hz 2 10 mA B 9108 001...

Страница 70: ...ce converter RS 485 USB with USB cable Supply from USB interface B 9501 2045 AN471 power supply unit for DI 1 or DI 2 AC 230 V 50 60 Hz AC DC 20 V B 924 189 Snap on mounting W20 35 B 9808 0501 Snap on...

Страница 71: ...r type B 9808 0010 W60 60 circular type B 9808 0018 W120 120 circular type B 9808 0028 W210 210 circular type B 9808 0034 WR70x175 70 x 175 rectangular B 9808 0609 WR115x305 115 x 305 rectangular B 98...

Страница 72: ...20 circular type B 911 787 W1 S35 35 circular type B 911 731 W2 S70 70 circular type B 911 732 W3 S105 105 circular type B 911 733 W4 S140 140 circular type B 911 734 W5 S210 210 circular type B 911 7...

Страница 73: ...Control 53 Converter 48 CT monitoring 47 CT type 46 D Damage in transit 21 Date 51 Delay on release 47 E Environment cold 21 Error code 58 F Factory settings 52 Fault memory 44 fuses 21 H History mem...

Страница 74: ...Relay mode of operation 49 RESET 35 Residual current 40 Response delay 46 S Service 57 standard information 36 56 Standards 57 Summer time 51 switching on 29 30 System components 7 T Test communicati...

Страница 75: ......

Страница 76: ...Dipl Ing W Bender GmbH Co KG Londorfer Str 65 35305 Gr nberg Germany Postfach 1161 35301 Gr nberg Germany Tel 49 0 6401 807 0 Fax 49 0 6401 807 259 E Mail info bender de com Web http www bender de com...

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