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Siemens Cerberus NW8005, Техническое руководство

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6

Siemens Building Technologies
Cerberus Division

e3180a.doc

12.2000

2.2.1 

Interference when operating on mains supply

The devices have a very wide dynamic range to enable even very small signal levels to
be measured accurately.
To avoid influencing the results by mains-borne interference, the test set-up should be
earthed.

Содержание Cerberus NW8005

Страница 1: ...Manual Tools Section 06 Cerberus NW8005 Data Line Test Set Technical Manual Siemens Building Technologies Cerberus Division Cerberus Security for People and Assets ...

Страница 2: ...ument and in the subject thereof By accep tance of the document the recipient acknowledges these rights and un dertakes not to publish the document nor the subject thereof in full or in part nor to make them available to any third party without our prior ex press written authorization nor to use it for any purpose other than for which it was delivered to him ...

Страница 3: ... 2 Switching on the device 9 3 2 3 Resetting the device 9 3 2 4 Poll software status 9 4 Functions and configurations 10 4 1 SLT configuration and transfer software 10 5 Operation 11 5 1 Preparations prior to field application 11 5 1 1 Tolerance masks Templates 11 5 1 2 Select template only SLT 22 12 5 1 3 Set date and time only SLT 22 13 5 1 4 Erasing the result memory 14 5 2 Preparations in the ...

Страница 4: ......

Страница 5: ...ection 0 About this document Section 1 Device description Section 2 Structure and function Section 3 Installation Commissioning Section 4 Functions and configuration Section 5 Operation Section 6 Components Spare parts Section 7 Disposal Protection of the environment Reference documents Operating manual 1 SLT 11 SLT 22 Subscriber Line Tester ACTERNA Wandel Goltermann Standard symbols Result Note Q...

Страница 6: ...ividual measurements can also be carried out Furthermore it offers a number of special functions which can be applied for trouble shooting for example to locate determine short circuits stub lines the junction of different types of cable cable lengths Descriptions of these functions are not contained in this operating manual They can be found in the operating manual issued by the manufacturers of ...

Страница 7: ... berus data lines does not need any PC or other special know how Cable theory know how is only needed for the individual measurements Note on safety The Data Line Test Set is provided for measurements on communication lines which have not been switched on or have been switched off again 1 2 SLK 12 Line test set W G The Data Line Test Set consists of two devices SLT 12 and SLT 22 They are packed to...

Страница 8: ... Front view SLT 22 and SLT 11 SLT 22 SLT 11 1 2 3 4 5 6 1 2 3 4 5 6 1 Test jacks for testing 1 or 2 wire pairs 2 Pass Fail assessment for total measurement PASS Good FAIL Bad 3 Display of measured results 4 Display of test function 5 Keys for operating mode 6 Start Stop test ...

Страница 9: ...ance User Def only SLT 22 Measurements can also be carried out individually in the Single Test operating mode Further measurements are possible if a corresponding tolerance mask is created Impulse noise I Noise Far end crosstalk attenuation FEXT only SLT 22 Signal to noise ratio S N only 22 Wideband noise W Noise only 22 Near end crosstalk attenuation NEXT 2 2 Measuring set up A device is connecte...

Страница 10: ... 12 2000 2 2 1 Interference when operating on mains supply The devices have a very wide dynamic range to enable even very small signal levels to be measured accurately To avoid influencing the results by mains borne interference the test set up should be earthed ...

Страница 11: ...atteries recharg Batt For alkaline batteries Alkaline Batt Check that the cassette has been correctly snapped into position Set the Batt switch according to whether a re chargeable or alkaline battery cassette has been fitted Rechargeable batteries fitted Set Batt switch to Recharg Alkaline batteries fitted Set Batt switch to Alkaline i If batteries are charged once only a few measurements are pos...

Страница 12: ...ation Explosion hazard Alkaline batteries can explode if an attempt is made to recharge them Make sure that the Batt switch is set correctly before connecting the power unit Connecting the power unit Only use the SLT11 SLT22 power unit supplied Statuses and display Status Requirement Result Charge battery Device switched off Charge the fitted batteries for 14 hours The display shows CHARGING After...

Страница 13: ...ked LED function visual check by user RAM test ROM test Performance check When the self test has been successfully completed the device switches automatically to the last measurement mode used 3 2 3 Resetting the device In the event of faults or if the device malfunctions it can be reset to a defined state The reset can be carried out as follows Switch the device off and then on again or Remove th...

Страница 14: ...uration and transfer software on a service PC Transfer of the specific template to SLT 22 An Intel based PC or Laptop with a spare RS232 interface is required for the SLT con figuration and transfer software Connect SLT 11 SLT 22 to the PC Installing software The software must be installed on the PC using the disk supplied 1 Start the program with setup exe 2 Follow the program instructions Start ...

Страница 15: ...ta line to be measured Type of cable line cross sectional area length of cable Cable installation location of bus nodes length of segments 5 1 1 Tolerance masks Templates The following tolerance masks are used for the automatic measuring of a Cerberus data line e g Data lines for C Bus connections CBUVm_Qn Data lines for LON CerCom connections LONVm_Qn Vm V1 Vx Version number Qn Q1 Q4 Cable qualit...

Страница 16: ...12 Siemens Building Technologies Cerberus Division e3180a doc 12 2000 5 1 2 Select template only SLT 22 ...

Страница 17: ...SLT 22 Stored measured results are automatically given a time stamp comprising date and time When making an assessment this enables simple allocation of the measured re sults Date and time are set after the initial commissioning after long storage without alkaline batteries or rechargeable batteries ...

Страница 18: ...components must be connected to the data bus 3 The individual segments of the data link must be interconnected 4 The SLT 22 device is connected to terminals Pair1 near end 5 The SLT 11 device is connected to terminals Pair1 far end 5 2 1 Commissioning of the test set Connect test specimen The devices are connected using the safety cables and safety clips supplied Terminals Pair1 are used on both d...

Страница 19: ...SLT 22 The SLT 11 device slave connected at the far end of the line is remote controlled by the master The first measurement always begins with the template for the highest quality cable 5 3 1 Measurement 1 Select operating mode Auto Test LED Auto Test lights up 2 Press Start Stop key LED Att DC R User Def lights up as the measurement is carried out A measuring sequence lasts approximately 30sec 3...

Страница 20: ...16 Siemens Building Technologies Cerberus Division e3180a doc 12 2000 5 3 2 Storing results 5 3 3 Calling up results Conclude storage display ...

Страница 21: ...nt to free bus topology Q1 Q4 not complied with Cable cannot be used Measures to be taken in the event of an error LED LCD display Comment Measures Fail Near lights red Fail Far lights red LED Meas function lights red With one measuring function a threshold was exceeded at the near and or far end Repeat measurement with diminished threshold Check cable sections individu ally Remote not found The M...

Страница 22: ... cable RS232 V24 2000mm 2 x Alk battery Recharge battery cassette empty 10 x NiMH battery Mignon AA size UM3 1 2V 1 1 Ah BN 2257 12 SLK Subscriber Line Tester Kit Details for ordering templates Templates are supplied by Siemens Building Technologies Cerberus Division online in the Intranet OSS https oss cerberus ch swtool systems index html network 7 Disposal Protection of the environ ment Alkalin...

Страница 23: ...80a doc 12 2000 Keyword index C Calling up results 16 C Bus 11 17 E Erasing the result memory 14 L LON CerCom 11 M Master 14 P Poll software status 9 S Slave 14 SLK 12 2 3 18 SLT 11 4 5 8 10 18 SLT 22 4 5 8 10 12 18 Storing results 16 T Tolerance masks 11 ...

Страница 24: ...erberus Division CH 8708 Männedorf Alte Landstrasse 411 Tel 41 1 922 61 11 Fax 41 1 922 64 50 www cerberus ch Doc no e3180a Siemens Building Technologies Cerberus Division Replaces Edition 12 2000 Cerberus Security for People and Assets ...

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