User Manual - Amazon Web Services
Contents
1. esses eene eene ennennn enne nennt nena nnn asina nsns atn natns atn natn 7 3 Scope of Delivery unnseennssnsennnnnnnennnnnnnnnnnnnnnnnnnennnenn n aa A ae anna sana Eae a ANA aAa ESSEE SEa 8 O A E T O NO 9 SMA iaa 10 IS AAA O A 13 6 1 General Handling of the Device oooocinnccnnnononnnnncnnncnrnnanncnn nono ncnnn cnn ncnn cnn nr nene nennen tenens 13 6 2 Identifying a Cable Using the DC Pulse Method Current Flow Direction Determination 14 6 3 Phase identification using the PAS CI optional ooooonicninnnnicnnncnnncnccnnccnncncnancarn rara nanccarc rancio 15 6 4 Using the Optional TFS CI Sensor Twisted Field Method and Load Current Detection 16 6 4 1 Cable Identification with the Twisted Field Method oooonccccnicccinccccnoccccnonccnnanconacananos 16 6 4 2 Load Current Detection 7 Troubleshooting uusrensesnensnnnnnnnannnnnnnunnnunnnnnnnunnennnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnrnen 22 8 Changing the Batteries iiiar eiiiai aaa aaa p a Ea a naaa Ea aaan 22 sebakmrT 1 Safety precautions Working with equipment of SebaKMT Intended application Safety Advice This manual contains basic advice for the installation and operation of the CI RX It is essential to make this manual accessible to the authorised and skilled operator He needs to read this manual closely The manufacturer is not liable for damage to material or humans due to non observa2. Seba Dynatronic Hagenuk KMT Mess und Ortungstechnik GmbH Kabelmesstechnik GmbH Dr Herbert lann Str 6 R deraue 41 D 96148 Baunach D 01471 Radeburg Dresden Phone 49 9544 68 0 Phone 49 35208 84 0 Fax 49 9544 22 73 Fax 49 35208 84 249 E Mail sales sebakmt com http www sebakmt com IN seba ir N S 24 hotline Eee www sebakmt com service sebakmt com SebaKMT All rights reserved No part of this handbook may be copied by photographic or other means unless SebaKMT have before hand declared their consent in writing The content of this handbook is subject to change without notice SebaKMT cannot be made liable for technical or printing errors or shortcomings of this handbook SebaKMT also disclaim all responsibility for damage resulting directly or indirectly from the delivery supply or use of this matter sebakmrT Terms of Warranty SebaKMT accept responsibility for a claim under warranty brought forward by a customer for a product sold by SebaKMT under the terms stated below SebaKMT warrant that at the time of delivery SebaKMT products are free from manufacturing or material defects which might considerably reduce their value or usability This warranty does not apply to faults in the software supplied During the period of warranty SebaKMT agree to repair faulty parts or replace them with new parts or parts as new with the same usability and life as new parts according
3. Indicators sebakMT Value o Signal quality LED red yellow green o Power battery status LED red yellow green Pulse voltage 55 VDC Pulse current Max 100 A Pulse sequence 30 per minute Pulse width 72 ms Power supply external 100 V 240 VAC 50 60 Hz internal 12 VDC optional accumulator Operation time 4h accumulator Charging time 6h accumulator Weight without accumulator 0 8 kg with accumulator 1 6 kg Dimensions 201 mm x 120 mm x 80 mm Protection class IP 54 Operating 10 C 60 C temperature Measurement Power Supply 300V CAT II Category Measurement connection CAT EN 61010 1 de energized cable sebakmrT 3 Scope of Delivery Standard scope The following items are included with the standard shipment of the of delivery generator Mains supply lead 2 0 m NKG1 e Test lead 2 0 m black MK31 B e Testlead 2 0 m red MK32 B e Earthing lead 1 5 m EK4 Clamp black AK41 B Clamp red AK42 B e Earthing clamp green yellow AK49 B Optional In addition to the standard shipment the following optional items are accessories available a case which is suitable for a complete cable identifier system including the generator LC TX and the receiver C RX internal accumulator for operation with 12 VDC sebak mr Design The CI TX identifying generator is built into a sturdy ABS plastic housing The uni
4. Dimensions 151 mm x 101 mm x 60 mm Protection class IP 54 Operating temperature 10 C 60 C Measurement category EN 61010 1 o LCITX Connected via NKG 1 300 V CAT Il Connected via NK 9 and fused clip 1000 V CAT III 600 V CAT IV o LCITX Connected via MK34 MK35 MK36 measuring leads 1000 V CAT III 600 V CAT IV 3 Standard scope of delivery Optional accessories sebakMT Scope of Delivery The following items are included with the standard shipment of the LC TX generator Mains supply lead 2 0 m NKG1 Mains measuring lead 2 5 m NK9 C The following items are included with the standard shipment of the LCI TX 440 generator Black measuring lead with fused alligator clip 2 0 m MK34 e Blue measuring lead with fused alligator clip 2 0 m MK35 e Yellow green measuring lead with alligator clip 2 0 m MK36 The following accessories can be ordered by your sebaKMT representative if required ON Order Accessory Description h mb r Case Suitable for a complete cable 820011292 identifier system Measuring lead Adapter for direct measurement on 820025178 MK 55 LV HRC fuses type 00 03 sebak mr 4 Design The LCI TX 440 identifying generator is built into a sturdy ABS plastic housing The unit is in protection class IP 54 The following figure shows the generators and their indicators and sockets Item Description Power status LED LED
5. The C RX cannot be used to test the absence of voltage WARNING If load current has been detected on the other hand the cable must be considered as live 20 sebakMT If a detectable current is flowing through the cable then this is signaled by the red and green LEDs flashing every second The following differentiation is made Half scale deflection Full scale deflection Depending on the gain setting of the CI RX the following conclusions can be drawn Gain 1 5 6 7 8 9 10 Full scale deflection gt 50 A Half scale gt 10 A gt 7 A gt 5A gt 3 5A gt 2 5 A gt 1 75 A deflection The detection of load current does not replace a current measurement with a calibrated current clamp Ampere measurements can only be considered as estimated values and they are independent of the sensor s CAUTION distance and position with relation to the current conducting phases shields Load current detection can also be performed when a cable identifying generator is connected However a comparative measurement should be taken near to the generator in advance in order to estimate whether a reading can be expected at the actual measurement point 21 sebakMT 7 Troubleshooting Failure to identify a cable clearly may be due to the following reasons e The cable to be identified is not among the cables tested e
6. The identifying generator only for LCI TX LCI TX 440 has been connected to an IT or TT protective conductor system Connection is ineffective in this case owing to the system s isolation from earth e The cable to be identified is in a ring The cable to be identified consists of several parallel cables resulting in current distribution of the test pulse only for LC TX LCI TX 440 e The current in the cable to be identified is gt 120 A or the transient disturbances are too high only for LCI TX LCI TX 440 e The battery of the identifying receiver is flat e Reverse currents which are carried by the cable screen PEN or metal sheath are compensating the signal e Sensor motion too fast during twisted field identification Changing the Batteries The battery housing is located on the back side of the unit and can be opened using the slide closure Two identical 1 5 V AA batteries have to be used as replacement 22
7. both generators the LCI TX and the LCI TX 440 can be directly connected to LV HRC fuses of size 00 3 6 630 A CAUTION Observe the following safety instructions when using the measuring cable MK 55 The measuring cable MK 55 may only be used by qualified electricians or persons who have been instructed in electrical principles Only safety handles conforming to DIN VDE 0636 201 EN 60269 2 or DIN VDE 0680 4 for work performed under live voltage may be used for operation When performing assembly work under live voltage the work specific instructions and documentation of the network operator as well as national safety regulations such as the German TRBS 2131 are to be observed It is not intended that the fuse in the plug in adapter of the measuring cable be replaced by the user Connect to an LV HRC fuse as follows Step Description 1 Connect the identifying generator to the protective conductor with the yellow green measuring lead and to the neutral conductor with the blue measuring lead 2 The front part of the black alligator clip on the measuring cable NK9 C LCI TX or MK34 LCI TX 440 must be exchanged for the screw on adapter supplied with the MK 55 The existing fuse must continue to be used Afterwards the MK 55 can be attached to the black measuring lead 3 Connect the MK 55 to the generator When using the LCI TX 440 generator the measuring lead
8. for pulse polarity and error indication Mains socket for direct connection to power outlets or low voltage lines up to 240 V LCI TX only Laboratory sockets for direct connection to low voltage lines up to 440 V LCI TX 440 only o 000 5 Overvoltage protection Over temperature protection sebakMT Safety Mechanisms The generator has a built in overvoltage protection If a voltage gt 270 V LCI TX or gt 460 V LCI TX 440 is detected the fuses blow and thus protect the unit from being destroyed After the overvoltage protection has been responded it is necessary to change both internal 5A F fuses high breaking capacity in order to put the generator back to operating state At too high temperatures the pulse transmission is automatically stopped until the temperature has dropped below a certain threshold If the over temperature protection is active both LEDs are lit permanently and the audible indicator does not sound sebakmrT 6 Introduction Electrical Connection to Cable Under Voltage The generator has to be connected to the open distal load end of the cable Proper cable identification using the C RX can only be performed between the transformer and the generator CAUTION Connection sequence Greatest care must be taken when connecting the generator to ensure that the protective and neutral conductor are connected securely first Only then may the
9. live phase conductor be connected Disconnect in reverse order first disconnect the phase conductor then the protective and neutral conductor 6 1 Connecting to power outlet Connecting to low voltage distribution lines sebakMT Connecting the LCI TX When connecting the generator to a power outlet in measurement category CAT II EN 61010 1 environment the NKG1 mains supply lead can be used When connecting the generator using the NKG1 mains supply lead in combination with special plugs sockets make sure a connection to PE is established For connection to open distribution lines measurement categories CAT III and IV the NK9 C mains measuring lead has to be used To prevent arcing in the event of a short circuit in the system measuring lead the blue and the black test terminals are fitted with 10 A fuses The maximum switch load of these fuses is 50 kA The following figure illustrates how the LCI TX generator is connected using the NK9 C measuring lead Transformer b In contrast to the LC TX 440 the LCI TX is only suitable to be connected between phase and neutral conductor The device must not be connected between two phases sebakmrT 6 2 Connecting the LCI TX 440 to open distribution systems Measuring leads The LCI TX 440 is connected to open distributors by means of the measuring leads MK34 black MK35 blue and MK36 yellow green It is essential that the m
10. preselected gain stage 1 up to 10 The following figure shows an example for gain stage 7 After the three seconds the receiver starts to evaluate the signal level picked up by the identification clamp It may take a few seconds until the receiver is able to clearly identify the incoming pulses and to indicate them appropriately In the case of low batteries all red and green signal LEDs are flashing for a short period of time immediately after switch on Afterwards the unit switches off automatically The batteries have to be replaced see section 8 Automatic switch off Overload Operation General Handling of the Device Prior to the actual cable identification a control measurement should be performed at the cable to be identified in the immediate vicinity to the generator in order to determine an adequate gain stage The gain which can be adjusted in ten 3 dB stages 3 dB 24 dB using the soft keys 3 and 4 should be set to the lowest stage which causes all 10 signal LEDs to light up Afterwards the receiver can be switched off whereby the selected gain stage is saved For ideal measuring conditions a good signal quality should be given even in low gain stages 1 4 If you need to increase the gain stage to 5 or higher in order to obtain full deflection you have to verify and improve the connection conditions of the generator This is almost imperative since higher gain stages increase the danger to pick
11. specific pulses into the cable to be identified These current pulses generate an electromagnetic field around the cable which is picked up by the flexible identification clamp clamped around the cable Thus the operator is able to determine the cable to be identified securely Technical data Parameter Value Display o Power status LED green o LEDs for indication of signal strength and gain stage red green Sensors o Flexible identification clamp Y 140 mm o Flexible identification clamp Y 250 mm optional o PAS CI phase identification sensor optional o Twisted Field sensor TFS C optional Gain stages 10 stage 3 dB 24 dB dynamic range Power supply 2x 1 5 V AA batteries Operating time gt 50 h Weight 0 4 kg with batteries and sensor Dimensions w xh x d 150 mm x 65 mm x 35 mm Protection class IP 54 Operating temperature 10 C 60 C Measurement category 600 V CAT IV sebakMT 3 Standard scope of delivery Optional accessories Scope of Delivery The following items are included with the standard shipment of the receiver e Cable identifying receiver CI RX e Flexible identification clamp Y 140 mm e 2x1 5V AA batteries The following accessories can be ordered by your sebaKMT representative if required T Order Accessories Description n mber Case Suitable for a complete cable 820011292 identifier system Flexible identificati
12. to be identified For all adjacent cables either no signal or a signal with reverse current flow direction indicated by the red LEDs should be received Right current flow direction Wrong current flow direction If more than one cable cause a deflection of the green LEDs the identification clamp may be placed the wrong way round see previous section 6 3 sebakMT Phase identification using the PAS CI optional When using the PAS CI to identify a single phase of an energized or de energized cable in combination with the LC TX or the CI TX the sensor must be placed as shown in the picture below The type label must face the direction of the feeding transformer grounded end Consequentially the white arrow on top of the sensor points towards the same direction Generator Transformer or earthed cable end The identification of the phase is basically performed the same way as the identification of a cable see section 6 2 If the sensor orientation is correct the green LEDs 1 should only light up on the phase which is connected to the generator while the red LEDs 2 should light up on all other conductors Any return currents flowing through the conductors of adjacent cables should always result in the red LEDs lighting up sebakmrT 6 4 6 4 1 Purpose Prerequisites Process Using the Optional TFS CI Sensor Twisted Field Method and Load Current Detection Cable Identificatio
13. up interfering signals which can lead to wrong estimations of the measurement results at worst If no deflection of the signal LEDs can be achieved using the preset gain stage it can be readjusted using the respective soft keys For gain stages gt 5 the signal transmitted by the generator is compensated by reverse current for the most part In this case and in the case of a high Signal level difference compared to the contro measurement it is recommended to check the connection conditions If the receiver is not used for a period the unit will automatically switch off three minutes after the last key press If the signal level is too high for a certain conclusion the green and the red stage 10 LEDs flash to indicate overload Reduce the gain to resolve the problem 6 2 Identifying a Cable Using the DC Pulse Method Current Flow Direction Determination The signal level of the pulses transmitted by the generator is picked up by the flexible identification clamp and indicated by the green 1 or red 2 signal LEDs depending on the direction of the current flow In accordance with the number of signal LEDs the indication of the signal level is divided into 10 stages Since the both types of generators are transmitting a single pulse every 2 seconds the receiver should indicate the pulses with exactly the same offset If the identification clamp is placed the right way round the green signal LEDs indicate the cable
14. akmrT 2 Necessity Function Technical Description The positive identification of a single cable from a bunch poses a technical problem which is often faced by cable technicians The purpose of a cable identification is to avoid damage to cables in service with utmost reliability and to protect the operating personnel It must however be mentioned right from the start that a cable identification no matter how reliable it seems to be should never prompt the operator to neglect the prescribed VDE safety regulations Prior to cutting a cable it must be made sure that the cable core is earthed This can only be achieved by means of an adequate safety cutting system The cable identifying generator C TX can be used for the selectively identification of low voltage cables and medium voltage cables For such a cable identification procedure the receiver CI RX is required additionally The handling of the receiver is described in a separate operation manual The impulse generator sends out pulses up to a peak current value of 100 A into the cable to be identified This test current generates an electromagnetic field around the cable which is picked up by a flexible identification clamp attached to the cable The test current of these identification permits a determination of the current value and of the direction of the measuring pulse thus leading to a safe and reliable identification of the cable Technical Data Parameter
15. application Safety Advice This manual contains basic advice for the installation and operation of the LCI TX and LCI TX 440 cable identifying generators It is essential to make this manual accessible to the authorised and skilled operator He needs to read this manual closely The manufacturer is not liable for damage to material or humans due to non observance of the instructions and safety advices provided by this manual Locally applying regulations have to be observed Important instructions concerning the protection of staff and equipment as well as technical safety within this document are labelled with one of the following symbols Symbol Description Notes have important information and useful tips on the thy operation of your equipment Non observance may result in useless measurement results Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury or material damage CAUTION All electrical regulations of the country where the system is operated have to be observed as well as national regulations for prevention of accidents and existing regulations for the safety and operation of equipment of the involved companies Original accessories ensure safe operation of the equipment It is not allowed and the warranty is lost if other accessories than the original ones are used with the equipment The cable identifying generators LC TX and LCI TX 440 may only be operate
16. customer has to complain about the defect in case of an immediately detectable fault within 10 days from the date of delivery This warranty does not apply to any fault or damage caused by exposing a product to conditions not in accordance with this specification by storing transporting or using it improperly or having it serviced or installed by a workshop not authorized by SebaKMT All responsibility is disclaimed for damage due to wear will of God or connection to foreign components For damage resulting from a violation of their duty to repair or re supply items SebaKMT can be made liable only in case of severe negligence or intention Any liability for slight negligence is disclaimed sebakMT Table of Contents 1 Safety Advice E 7 2 Technical Description uus0 20000000000000000nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnenannnnn 8 3 Scope of Delivery AAEE AT T A TE 10 4 5 6 TEE ODD 17 7 4 Check Measurement iesise disiri rhetor eoe i erae pee ai 17 7 2 Performing a Cable Identification seesssseeeeeeneeeneen nennen 18 Fide Erroneous Measu retmernls 5 enira t reato resonat aera eaae incas ricas 19 7 4 Phase Determination During Cable Installation eeeeeenen 20 8 Charging the Accumulator optional eese tentent tentent 21 1 Safety precautions Working with equipment of S
17. d at live low voltage cables measurement category 600 V CAT IV EN 61010 1 according to their intended application Safe operation is only realised when using the equipment for its intended purpose The limits described under technical data may not be exceeded 2 Function sebakMT Technical Description The cable identifying generators are used for selective cable identification on 100 V 240 V LCI TX or 240 V 440 V LCI TX 440 live low voltage cables For such a cable identification procedure the receiver C RX is required additionally The handling of the receiver is described in a separate operation manual The generator sends out pulses up to a peak current value of 90 A into the cable to be identified This test current generates an electromagnetic field around the cable which is picked up by a flexible identification clamp attached to the cable The test current of these identification permits a determination of the current value and of the direction of the measuring pulse thus leading to a safe and reliable identification of the cable sebakmrT Technical data Parameter Indicators Value o Power status LED green o LED for pulse polarity and error indication red Operating voltage o LCITX o LCI TX 440 100 V 240 VAC 50 60 Hz 240 V 440 VAC 50 60 Hz Pulse current 80A 10 A Pulse sequence 30 per minute Pulse width 1 7 ms Weight 0 5 kg
18. easuring leads are connected to the generator in accordance with the colour coding To prevent arcing in the event of a short circuit in the system measuring lead the blue and the black test terminals are fitted with 10 A fuses The maximum switch load of these fuses is 50 kA Connection When connecting the LC TX 440 for normal cable identification according between phase to the current impulse method proceed as illustrated in the picture and earth below Transformer The alternating voltage between the outer conductor and neutral conductor should be at least 240 V so that the identifying generator can draw the maximum possible pulsed current sebakMT Connection The LCI TX 440 generator can also be connected between two phases of between phases a multi conductor cable With this type of connection the identification of the cable is performed according to the Twisted Field method by means of the optional TFS CI sensor moved along or around the cable The black and the red test lead must be connected to any two phases of the cable The use of a protective conductor is not necessary from a metrological point of view is recommended however for safety reasons thy Due to its limited overvoltage protection the identifying generator LC TX is not suitable for phase to phase connection sebakmrT 6 3 Direct Connection to LV HRC fuses Optional Using the measuring cable MK 55 available as a special accessory the
19. ebaKMT Intended application Five safety rules sebakMT Safety Advice This manual contains basic advice for the installation and operation of the Cl TX It is essential to make this manual accessible to the authorised and skilled operator He needs to read this manual closely The manufacturer is not liable for damage to material or humans due to non observance of the instructions and safety advices provided by this manual Locally applying regulations have to be observed All electrical regulations of the country where the system is operated have to be observed as well as national regulations for prevention of accidents and existing regulations for the safety and operation of equipment of the involved companies Original accessories ensure safe operation of the equipment It is not allowed and the warranty is lost if other accessories than the original ones are used with the equipment The cable identifying generator C TX may only be operated at de energised low voltage cables and medium voltage cables measurement category CAT EN 61010 1 according to its intended application Safe operation is only realised when using the equipment for its intended purpose The limits described under technical data may not be exceeded e follo g e safe e alwa be followed e E g e o a cable to be ide ed De energise Protect aga e energ 0 O absence of voltage 4 ound and O over up or bar o eighbo g energised pa seb
20. esent straightforward and reliable cable identification methods An additional recording of load currents with a frequency of 50 Hz or 60 Hz can further increase the reliability of the cable identification in certain cases e g in the case of two cables of which only one is definitely under voltage When the receiver is switched on it is always in identification mode To switch to load current detection mode press the 3 and 4 buttons simultaneously After the mode has been switched successfully the following continuous display shows that load current detection is activated sebakmrT Gain adjustment Setting the gain is performed in a similar way to the identification mode see section 6 1 Unlike the identification mode in load current detection mode LEDs 1 and 10 flash to display overload If this happens even when gain stage 1 is selected then you should increase the distance between the sensor and the cable e g by placing your hand in between them Procedure To perform load current identification the TFS C sensor must be placed onto the cable that is to be checked The sensor should be kept in this position for several seconds If the display on the receiver does not respond this means that no load current could be detected This result should be verified at other points along the cable for good measure Even if no load current has been detected the cable must not necessarily be de energized
21. has to be connected to the black terminal sebakMT Step Description 4 Insert the plug in adapter in the LV HRC fuse replacement handle P 5 Push the plug in adapter onto the upper contact blade so that it attaches securely to the fuse attachment 6 7 After the cable identification disconnect by reversing this sequence of steps sebakMT 7 Polarity check Practical use Operating The identifying generator switches itself on automatically after being connected to the cable Subsequently the generator automatically checks the polarity This is necessary as the CEE 7 7 Schuko plug of the mains supply lead NKG1 may have been connected the wrong way round Depending on the polarity the system responds as follows Correct polarity Wrong polarity Green LED is lit Green LED is off O Red LED is flashing and an audible indicator sounds in Q m time with the A Red LED is lit transmitted pulses In the case of wrong polarity the polarity of the connection lead has to be changed the NKG 1 CEE 7 7 Schuko plug has to be turned round The connection lead must not be reconnected before the device has totally turned off after appr 3 seconds both LEDs go out If the polarity change does not affect the LED status it must be assumed that the protective earth conductor is not connected In this case testing cannot be carried out Once the polar
22. he sensitivity of the receiver has to be readjusted so that a clearly identifiable deflection of the green LED bar is obtained As a counter check the clamp should be attached to the cable in the other direction which should cause a deflection of the red LED bar 7 2 Performing a Cable Identification At the location where the cable is to be identified from a bunch the clamp is attached to each individual cable with the arrow pointing towards the far end until a distinct deflection of the green LED bar is obtained on the receiver If required readjust the sensitivity Neighbouring cables should cause a deflection of the red LED bar The following figure illustrates the procedure If no readable deflections are obtained it should be checked using a line locator whether the cable to be identified is part of the bunch at all sebakMT 7 3 Erroneous Measurements A cable identification in power cables does in no way replace the need for determining whether the cable is dead as called for in the five safety rules However a cable identification will most probably prevent a live cable from being cut This avoids danger to human life and in some cases enormous material damage including power failure Even reliably identified cables must not be directly cut or opened since despite clear deflections the cable could be transposed The figure below shows the cause of such an erroneous measurement A
23. hing of the generator is provided from the earth contact mains connection lead Caution In many substations the earth conductors in the sockets are not connected in order to avoid hum pick up during measurements Moreover most of these sockets are not properly marked If the instrument is operated from the optional accumulator then the earthing socket 5 has to be connected to system earth via the supplied earthing lead EK4 6 2 Preparation the cable to be identified Coupling with screened cables sebakMT Preparation the Cable to be Identified Both ends of the cable have to be disconnected and the far end has to be connected to system earth A direct connection between the end of the core and the screen has to be avoided since in this method the identification clamp can only evaluate the differential current from the outgoing and returning currents The two fields generated by the outgoing and returning currents would cancel out and could not be measured This has to be taken into account especially when dealing with new cable installations which are not yet in service The return current has to flow through the soil or on neighbouring cable sheaths or neutrals The generator has to be connected to a screened cable as shown in the figure below MK 32 B red with clamp AK 42 B red MK 31 B black with clamp AK 41 B black EK4 with clamp AK 49 B green yellow ol sebak mr Coupli
24. irection arrow pointing towards the supply transformer as shown in the figure below Transformer Commissioning the generator sebakMT In order to minimize the risk of stray field induction the flexible identification clamp including the connection cable must be connected at a distance of at least 10 cm from nearby cables If there is not enough room for this then at least the clamp closure and the connection cable should be positioned as far away as possible from the nearby cables see It is particularly important for the above instructions to be observed if measurements are being taken from a multi conductor cable and if the nearby disruptive object could be a phase of this cable that conducts return current In the case of accessible individual phases e g in low voltage distributors it is generally advisable to use the PAS CI sensor for phase identification see section 6 3 Prior to the actual cable identification with the identification receiver the generator must be commissioned and connected to the cable to be identified For detailed instructions please refer to the user manual of the respective generator sebakmrT Switching on The unit can be switched on by pressing the on off button 5 If the receiver is ready for operation the power LED on the on off button lights up green Subsequent to the switch on process the green 1 and red 2 signal LEDs indicate for three seconds the
25. is fully charged 21 sebak mr Operation manual Cable Identifying Generator LCI TX LCI TX 440 Mess und Ortungstechnik Measuring and Locating Technologies Elektrizit tsnetze Power Networks Kommunikationsnetze Communication Networks Rohrleitungsnetze Water Networks 2 amp ble 1 E Y Leitungsortung Line Locating Issue 4 07 2010 sebakmrT Consultation with SebaKMT The present system manual has been designed as an operating guide and for reference It is meant to answer your questions and solve your problems in as fast and easy a way as possible Please start with referring to this manual should any trouble occur In doing so make use of the table of contents and read the relevant paragraph with great attention Furthermore check all terminals and connections of the instruments involved Should any question remain unanswered please contact Seba Dynatronic Hagenuk KMT Mess und Ortungstechnik GmbH Kabelmesstechnik GmbH Dr Herbert lann Str 6 R deraue 41 D 96148 Baunach D 01471 Radeburg Dresden Phone 49 9544 68 0 Phone 49 35208 84 0 Fax 49 9544 22 73 Fax 49 35208 84 249 E Mail sales sebakmt com http www sebakmt com O SebaKMT All rights reserved No part of this handbook may be copied by photographic or other means unless SebaKMT have before hand declared their consent in writing The content of this handbook is subject to change wi
26. ity check has been successfully completed the identifying generator should be in operating status The LEDs should now indicate that the unit is working perfectly The pulse indicator and an audible signal should indicate a measuring pulse every 2 seconds Cable identification can now be started using the C RX identifying receiver with the flexible clamp A detailed description of the procedure is provided in the operating CI RX operating manual The identification of the test signal can be impaired by asymmetrical operating currents in the cable as well as by pulse shaped noise 20 sebak mr Operation manual Cable Identifying Receiver CIRX Mess und Ortungstechnik Measuring and Locating Technologies Elektrizit tsnetze Power Networks Kommunikationsnetze Communication Networks Rohrleitungsnetze Water Networks Jobe Leitungsortung Line Locating N I R Issue 6 11 2011 ENG Sebakwr Consultation with SebaKMT The present system manual has been designed as an operating guide and for reference It is meant to answer your questions and solve your problems in as fast and easy a way as possible Please start with referring to this manual should any trouble occur In doing so make use of the table of contents and read the relevant paragraph with great attention Furthermore check all terminals and connections of the instruments involved Should any question remain unanswered please contact
27. made liable for technical or printing errors or shortcomings of this handbook SebaKMT also disclaim all responsibility for damage resulting directly or indirectly from the delivery supply or use of this matter sebakMT Terms of Warranty SebaKMT accept responsibility for a claim under warranty brought forward by a customer for a product sold by SebaKMT under the terms stated below SebaKMT warrant that at the time of delivery SebaKMT products are free from manufacturing or material defects which might considerably reduce their value or usability This warranty does not apply to faults in the software supplied During the period of warranty SebaKMT agree to repair faulty parts or replace them with new parts or parts as new with the same usability and life as new parts according to their choice SebaKMT reject all further claims under warranty in particular those from consequential damage Each component and product replaced in accordance with this warranty becomes the property of SebaKMT All warranty claims versus SebaKMT are hereby limited to a period of 12 months from the date of delivery Each component supplied by SebaKMT within the context of warranty will also be covered by this warranty for the remaining period of time but for 90 days at least Each measure to remedy a claim under warranty shall exclusively be carried out by SebaKMT or an authorized service station To register a claim under the provisions of this warranty the
28. n with the Twisted Field Method The cable identification with the Twisted Field method which is required by various standards is used specifically in the following scenarios e Inaccessible cables cannot be gripped by identification tongs Cable systems without alternative earth return path e g IT networks e Undefined return current conditions e g paper insulated lead covered PILC cables with metal sheath in contact with earth Unlike in normal cable identification the identification generator must be connected between two phases when using the Twisted Field method Only the identification generators LCI TX440 identification under voltage and CI TX can be used For detailed information how to connect the generator to the cable to be identified please refer to the user manual of the generator The TFS CI sensor available as an optional extra must be connected to the receiver instead of the identification tongs Sensor orientation is not important in simple cable identification o LCI TX 440 eor CI TX Due to the twist of the conductors along the cable the fields formed around the two conductors are counter rotating As the TFS CI sensor is moved along or around the cable to be identified the green 1 and red 2 LEDs on the receiver light up in rotation Adjacent cables do not produce any activation of the LEDs sebakMT When examining the sensor travel along a twisted bifilar cable
29. nce of the instructions and safety advice provided by this manual Locally applicable regulations have to be observed All electrical regulations of the country where the system is operated have to be observed as well as national regulations for the prevention of accidents and existing regulations for the safety and operation of equipment of any involved companies The original accessories provided ensure the safe operation of the equipment It is not allowed and the warranty is voided if any accessories other than the original ones are used with the equipment Products of SebaKMT are continuously being enhanced according to the state of the technology but such enhancements shall not constitute any ground for claims of any kind particularly indemnity claims for older versions of the product The cable identifying receiver CI RX may only be operated with low and medium voltage cables measurement category 600V CAT IV EN 61010 1 according to the intended application as described in this manual Safe operation is only realised when using the equipment for its intended purpose The limits described under technical data may not be exceeded sebakMT 2 Technical Description Function The cable identifying receiver C RX can be used to identify low voltage cables and medium voltage cables out of a bunch of cables The receiver has to be operated in combination with one of the generators LCI TX LCI TX 440 or CI TX which transmit
30. ng with If the cable does not have a screen e g NYY or the system earth is not unscreened accessible at the cable end then one should proceed as shown in the figure cables below The far end of the core is connected directly to an existing earthing system e g a lightning protective system At the near end of the cable the identification generator is connected to the core to be identified and to a different earthing system MK 32 B red with clamp AK 42 B red EK4 with clamp AK 49 B green yellow Connection between two phases sebakMT The generator can also be connected between two phases of a multi conductor cable With this type of connection the identification of the cable is performed according to the Twisted Field method by means of the optional TFS CI sensor moved along or around the cable The black and the red test lead must be connected to any two phases of the cable These two phases must be bridged at the far end sebakmrT 6 3 Mains connection Operation with accumulator optional 6 4 Power Supply For mains supply the mains socket 7 is connected to a earthing contact socket 100 V 240 VAC 50 60 Hz by means of the mains connection lead NKG 1 No special measures are required except the separate protective conductor connection It should however be noted that the maximum operating time of the identification generator is about 4 hrs de
31. on Identification clamp with a 820025178 clamp AZF 250 CI diameter of 250 mm used to embrace larger cables or bundles Phase identification Used for the identification of a 820014535 sensor PAS CI single phase in low voltage distribution networks Twisted Field Used for cable identification with 820024979 sensor TFS CI Twisted Field Method and for load current detection sebakMT Design The CI RX identifying receiver is built into a sturdy ABS plastic housing The integrated flexible identification clamp has a diameter of 140 mm 250 mm optional and a cable length of 1 5 m The unit is in protection class IP 54 The following figure shows the receiver and its elementary control and display elements Green signal LEDs Red signal LEDs Increase gain Decrease gain On off button with LED 1 2 3 4 5 sebakmrT 5 Connecting the flexible identification clamp Start up When using the DC pulse method to identify a cable special attention has to be paid to the orientation of the identification clamp When working with the C TX generator encircle the cable to be identified in such a way that the direction arrow on the identification clamp points towards the grounded end of the cable as shown in the figure below To identify live cables in combination with the LC TX or LCI TX 440 generator the identification clamp should be placed around the cable with the d
32. pending on the output current If necessary charge the battery prior to the measurement Switching on After the test leads are connected to the cable to be identified the generator can be switched on using the On off button 8 Afterwards the power battery status LED 6 indicates the power supply status Mains operation green Battery operation green fully charged yellow partially discharged red almost completely discharged The signal quality LED 1 indicates the current output and in this way the quality of the signal coupling into the cable to be identified Flashing green Good coupling conditions gt 30A Flashing yellow Increased impedance 30 A lt I lt 10 A Flashing red Unsure coupling conditions 10 A Permanently red No signal transmission In addition an audible indicator sounds in time with the pulses transmitted into the cable every 2 seconds 7 1 Operation Check Measurement Having connected and switched on the generator a check measurement should be conducted in the vicinity of the connection point For this purpose the clamp of the receiver has to span the entire cable not only one lead When connecting the clamp the direction of the arrow on the clamp has to be noted Preferably the arrow should always point towards the far end of the cable in which case some of the green LEDs of the CI RX receiver should indicate the received signal strength level If necessary t
33. provisions of this warranty the customer has to complain about the defect in case of an immediately detectable fault within 10 days from the date of delivery This warranty does not apply to any fault or damage caused by exposing a product to conditions not in accordance with this specification by storing transporting or using it improperly or having it serviced or installed by a workshop not authorized by SebaKMT All responsibility is disclaimed for damage due to wear will of God or connection to foreign components For damage resulting from a violation of their duty to repair or re supply items SebaKMT can be made liable only in case of severe negligence or intention Any liability for slight negligence is disclaimed sebauMT o oo Table of Contents T Safety Advice dl e tite enda een 8 2 Technical Description aco teer RED Dee te boa a o pre e eH ete i E 9 9 Scope of DEI Vii E EUR EH ar erp 11 DEBBIE D Et 12 S Safety Mechanisms tl IDEO RETRO EERHEIDIND 13 6 Electrical Connection to Cable Under Voltage seen 14 6 1 Connecting the LOI TX tette has les ce dnas 15 6 2 Connecting the LCI TX 440 to open distribution systems se 16 6 3 Direct Connection to LV HRC fuses Optional ssssssseseneeeeeeenennnnnes 18 IS A a 20 sebakMT 1 Safety precautions Symbols used in this manual Working with equipment of SebaKMT Intended
34. sebak mr Operation manual Cable Identifying Generator CI TX Mess und Ortungstechnik Measuring and Locating Technologies Elektrizit tsnetze Power Networks Kommunikationsnetze Communication Networks Rohrleitungsnetze Water Networks E DE Leitungsortung Line Locating P i T NS Issue 4 07 2009 ENG sebakmrT Consultation with SebaKMT The present system manual has been designed as an operating guide and for reference It is meant to answer your questions and solve your problems in as fast and easy a way as possible Please start with referring to this manual should any trouble occur In doing so make use of the table of contents and read the relevant paragraph with great attention Furthermore check all terminals and connections of the instruments involved Should any question remain unanswered please contact Seba Dynatronic Hagenuk KMT Mess und Ortungstechnik GmbH Kabelmesstechnik GmbH Dr Herbert lann Str 6 R deraue 41 D 96148 Baunach D 01471 Radeburg Dresden Phone 49 9544 68 0 Phone 49 35208 84 0 Fax 49 9544 22 73 Fax 49 35208 84 249 E Mail sales sebakmt com http www sebakmt com O SebaKMT All rights reserved No part of this handbook may be copied by photographic or other means unless SebaKMT have before hand declared their consent in writing The content of this handbook is subject to change without notice SebaKMT cannot be
35. t is in protection class IP 54 The following figure shows the generator and its elementary controls and Sockets 4 Item Description 1 Signal quality LED red yellow green Fuse Socket for screen connection Socket for core connection Socket for earthing connection Power battery status LED red yellow green Mains connection 100 V 230 V 50 60 Hz On off button 0 ODO ao A Ww DY sebakMT 5 Overvoltage protection Over temperature protection 6 6 1 Protective Earthing Safety Mechanisms The generator has a built in overvoltage protection In case the generator is connected to a live cable contrary to the safety advises the fuse 2 blows in order to prevent the unit from being damage but no warranty can be given After the overvoltage protection has been responded it is necessary to change the fuse F 5 250 E using a screwdriver in order to put the generator back to operating state At too high temperatures the pulse transmission is automatically stopped until the temperature has dropped below a certain threshold If the over temperature protection is active the signal quality LED 1 is lit red permanently and the audible indicator does not sound Start up Protective Earthing Inspite of the fact that the identification generator does not deliver dangerous voltages the safety practices must not be neglected On mains operation protective eart
36. t the test points A and B different directions are indicated due to a loop in the cable This can lead to erroneous measurements especially when measuring in the vicinity of substations where sometimes cable loops are installed PP e 3 lt B 19 sebakMT 7 4 Phase Determination During Cable Installation Although special instruments are available for phase determination during cable installation e g PIL 8 of SebaKMT one can also use the cable identification instrument C TX with the receiver C RX for this purpose In this mode of phase determination a cable is cut somewhere and it is necessary to safely identify the individual phase conductors This is complicated by the short circuiting and earthing device which as prescribed by VDE has to be connected at both ends of the cable This device must only be disconnected under observance of other safety measures Using the C TX and CI RX the earthing device can remain connected at the cable end The individual phase conductors are identified as shown in figure below Measurement 6 Measurement 5 Measurement 4 For this purpose the identification generator is connected to one core and earth at the point where the cable is cut Afterwards the generator is switched on For earthing the screen of one of the other cables is used 20 sebakMT When measuring at the near end of the cable the core carrying the test c
37. the following signal behavior becomes apparent Axial The gauge reacts to motion the connected cable eo ge 0 fp 109 O y 09 gt 008 Current flow gt Longitudinal motion An interval of min 2 seconds is required between the individual motion phases which corresponds to the signal pause of the identification generator Sensor motion must be carried out slowly taking these signal pauses into consideration If the sensor orientation is reversed the colour of the signal LED is reversed as well The Twisted Field method can also be applied to three or four core cables without any problems For four core cables it is recommended to connect the identification generator to two opposite strands to be able to identify the described polarity reversal as clearly as possible see images The following diagram illustrates the signal response when the sensor is moved around a four core cable in a radial direction LCI TX 440 or CITX The following diagram illustrates the signal response when the sensor is moved along a four core cable LCI TX 440 or CITX sebakMT 6 4 2 Load Current Detection It is only possible to detect load current for shielded cables to a very limited degree CAUTION Purpose The determination of the current flow direction and the Twisted Field Switching to load current detection identification repr
38. thout notice SebaKMT cannot be made liable for technical or printing errors or shortcomings of this handbook SebaKMT also disclaim all responsibility for damage resulting directly or indirectly from the delivery supply or use of this matter sebakMT Terms of Warranty SebaKMT accept responsibility for a claim under warranty brought forward by a customer for a product sold by SebaKMT under the terms stated below SebaKMT warrant that at the time of delivery SebaKMT products are free from manufacturing or material defects which might considerably reduce their value or usability This warranty does not apply to faults in the software supplied During the period of warranty SebaKMT agree to repair faulty parts or replace them with new parts or parts as new with the same usability and life as new parts according to their choice SebaKMT reject all further claims under warranty in particular those from consequential damage Each component and product replaced in accordance with this warranty becomes the property of SebaKMT All warranty claims versus SebaKMT are hereby limited to a period of 12 months from the date of delivery Each component supplied by SebaKMT within the context of warranty will also be covered by this warranty for the remaining period of time but for 90 days at least Each measure to remedy a claim under warranty shall exclusively be carried out by SebaKMT or an authorized service station To register a claim under the
39. to their choice SebaKMT reject all further claims under warranty in particular those from consequential damage Each component and product replaced in accordance with this warranty becomes the property of SebaKMT All warranty claims versus SebaKMT are hereby limited to a period of 12 months from the date of delivery Each component supplied by SebaKMT within the context of warranty will also be covered by this warranty for the remaining period of time but for 90 days at least Each measure to remedy a claim under warranty shall exclusively be carried out by SebaKMT or an authorized service station To register a claim under the provisions of this warranty the customer has to complain about the defect in case of an immediately detectable fault within 10 days from the date of delivery This warranty does not apply to any fault or damage caused by exposing a product to conditions not in accordance with this specification by storing transporting or using it improperly or having it serviced or installed by a workshop not authorized by SebaKMT All responsibility is disclaimed for damage due to wear will of God or connection to foreign components For damage resulting from a violation of their duty to repair or re supply items SebaKMT can be made liable only in case of severe negligence or intention Any liability for slight negligence is disclaimed Table of Contents 1 Safety AQViCl 6 2 Technical Description
40. urrent can then be easily identified by a deflection of the green LED bar provided the clamp is aligned in the direction as shown in the figure The technician there will then notify his colleague via radio of the designation of the phase conductor showing the deflection Subsequently this measurement is also to be carried out on the two other phase conductors with the clamp aligned in the same direction One of the conductors should not carry a signal while the other measurement should result in a deflection of the red LED bar In this way the two remaining phase conductors are identified one after the other A transposition is not possible The phase position of the individual conductors to the far end is determined using the same method It is important to note that in this test method the short circuiting and earthing devices at both cable ends remain connected They are indispensable for this test method Charging the Accumulator optional The accumulator is charged via the built in charger During the charging process the instrument should be switched off The charging time is automatically limited i e when the accumulator is fully charged the unit switches over to trickle charge thus avoiding an overcharge The charging time is max 6 hours and depends on the state of the accumulator The power battery status LED 6 indicates the status of the charging process Yellow Accumulator is charging Green Accumulator
Download Pdf Manuals
Related Search