ISA CBA1000 Introductory Manual Download

Page: 1 / 47

Doc. CEI12166

Rev. 1

Pag. 1 Of 47

Istrumentazioni Sistemi Automatici S.r.l.

VIA BERGAMO 41 - 21020 TAINO (VA) - ITALY
OFFICES

TEL. +39.0331.956081 - FAX +39.0331.957091

LAB:

TEL. +39.0331.956483 -

E-MAIL

[email protected]

WEB

www.isatest.com

DATE: 12/12/2005

DOC.MIE12166

REV.1

CBA1000

INTRODUCTORY GUIDE

Summary of Contents for CBA1000

Page 1: ...zioni Sistemi Automatici S r l VIA BERGAMO 41 21020 TAINO VA ITALY OFFICES TEL 39 0331 956081 FAX 39 0331 957091 LAB TEL 39 0331 956483 E MAIL isa isatest com WEB www isatest com DATE 12 12 2005 DOC M...

Page 2: ...2 dt 31 2 3 8 Printer 31 2 3 8 Left column 31 2 4 CB CONNECTIONS 31 2 4 1 Main CB contacts 31 2 4 2 Coil drivers 32 2 4 3 Auxiliary CB contacts 33 2 4 4 Travel transducer or analog input 33 2 4 5 Micr...

Page 3: ...Doc CEI12166 Rev 1 Pag 3 Of 47 3 6 2 Calibration procedure 44 APPENDIX 1 SPARE PARTS LIST 46 APPENDIX 2 TEST SET SCHEMATIC 47...

Page 4: ...of help or I ignore it This is why I decided to split the CBA1000 manual in three specification with all performance details introductory guide with the device description application manual with inst...

Page 5: ...insertion resistor Four digital event input circuits For the main and event inputs measurement of delays with respect to coil currents or other references The Open or Closed state of main and event i...

Page 6: ...ned to ensure safe operation in the noisy environment of HV and MV substations The instrument is housed in a transportable aluminium box that is provided with removable cover and handles for ease of t...

Page 7: ...d T5A incorporated in the supply socket 2 Earth socket 3 Power on switch with light 4 Buzzer it tells that the test is about to be started 5 MENU control knob with switch 6 Display before testing it a...

Page 8: ...ses 2 and 3 one side will be connected to the positive or to the negative of the DC supply 25 Type of test selection pushbutton as pressed lights 26 move in a circular way If unused the selection perf...

Page 9: ...nt selection and START 27 with the light 28 that starts the test Test selections are performed by the keypad 7 control knob 5 and display 6 As With portable phones pressing a button you access in sequ...

Page 10: ...ing can be performed else selecting the arrow the menu returns to the main window 2 3 1 Set This selection is a short cut to the Setup options selection of the Menu see below 2 3 2 Res This selection...

Page 11: ...On the same result you can temporarily select to view on trace only so that it can be examined at ease 2 3 5 Menu With this selection the following window is opened 2 3 5 1 Test diagram This is the s...

Page 12: ...contact Auxiliary lines are Thin Open Thick Closed Next lines are the coil currents profiles they are four if the option is installed The time base is the test duration with a scale that corresponds t...

Page 13: ...der test results Also changing the current threshold changes the timing result as the current increases slowly because of the coil inductance With CBA1000 coil driving is electronic the voltage edge i...

Page 14: ...er Slave units will measure the timing on Main auxiliary and analog inputs but don t generate coil driving signals This feature allows to test circuit breakers with more than two chambers per phase or...

Page 15: ...ator acts on SEL opening this window the performed selection is repeated This selection is useful in case of Definition of Open commands if the of four coil drive option is available Definition of the...

Page 16: ...ated With the Sequence selection the user can edit the desired test sequence This gives the following possibilities Issue a sequence of Open and Close commands up to 200 commands can be programmed Wit...

Page 17: ...The timing definition can be displayed pressing HELP diagram the following window is displayed As you see from timing definitions it is possible to superimpose a Close command to the Open command this...

Page 18: ...le to program a first recording duration then a dead time then the second recording duration In this mode coil currents and the analog input are not monitored If the box is checked the selection windo...

Page 19: ...insertion resistor test In the second and third set of selections it is possible to enable the test of auxiliary inputs to label them and to select whether the contact is wet or dry A1 A2 can be diff...

Page 20: ...is displayed It is possible to label the input and to select the voltage range that must be greater than the nominal coil current else the recording will be cut saturated at the selected range value a...

Page 21: ...Use auxiliary 5 V generator for travel transducer this means that you have connected the transducer to the 5 V output sockets else you have to input the external supply voltage value The Pressure tra...

Page 22: ...erformed connecting CBA1000 to the test sample and measuring its resistance Test samples can be joints main contacts and so on Main contacts resistance is measured in the closed position With the Dyna...

Page 23: ...ng resistance range is displayed The Test mode selection allows to perform a single measurement or to measure in sequence the resistance of all CB contacts If the selection is Test on breaker phase it...

Page 24: ...sequence the resistance of all CB contacts If the selection is Test on breaker phase it is possible to specify the CB phase and contact under test test results will be displayed in the summary table T...

Page 25: ...ke some time in the meanwhile the following message is displayed If the memory is full the following message warns the operator Usually test results are deleted after downloading them into the PC Also...

Page 26: ...Pag 26 Of 47 2 3 5 9 Preferences This selection allows defining some ancillary selections pressing it the following window is displayed Date and time can be set with the first selection the following...

Page 27: ...contrast can be adjusted pressing on the and keys The backlight duration selection is provided for the case of battery operation as the backlight sinks an important amount of power With the Language s...

Page 28: ...emory Any setting can be saved to and recalled from the memory Up to 64 settings can be stored and recalled Settings are permanently stored in the memory new settings can be written to the same addres...

Page 29: ...ion it is possible to recall the default setting that cannot be modified This setting is loaded at power on Trigger options internal trigger Test option Open Close Open Recording options O C delay 0 3...

Page 30: ...der This selection allows setting the header of a single test or of all tests performed on the CB time measurement contact resistances Pressing it the following window is displayed Data can be keyed o...

Page 31: ...the selected interface The following window allows selecting All data Header Trigger options Breaker options Analog settings Recorder options Channel Set Diagram Time results table Movement result tab...

Page 32: ...oils There are four groups marked C Close coil O1 Open coil or phase A Open coil with four coil option O2 and O3 if the option is available else not connected One side of the coil driver shall be conn...

Page 33: ...vement There are two sockets with a protected 5 V output that serves to polarize the transducer the cursor is connected to the input Else it is possible to connect the input to any voltage that is des...

Page 34: ...turn ON if some does not it is faulty If something is wrong the operator is alerted by a message At the end of it default selections are active CBA1000 displays the first window explained in the MENU...

Page 35: ...re shooting at us see if the following instructions can serve you to fix the problem If not e mail us the problem not forgetting to mention the unit s serial number our business is to minimize your do...

Page 36: ...The microprocessor board 61 and the optional micro Ohmmeter auxiliary board 65 are connected to the front panel board 60 and screwed to it Other cards are kept in place by means of L shaped supports...

Page 37: ...nnections At power on does not turn on Mains supply fuse open Check the fuse for other problems see 3 4 1 The diagnostic is not completed the test set is locked Fault on the DC to DC converter See 3 4...

Page 38: ...s on both edges Fit the replacement one and verify if the test set is OK you can continue else the test set needs to be returned 3 4 3 The control knob does not operate First of all check that the kno...

Page 39: ...ing is correct and the LED does not turn on then there is a faulty LED for the repair the test set needs to be returned If there is a doubt about the timing metered by CBA1000 please press the Set pus...

Page 40: ...CAPACITOR IS COMPLETELY DESCHARGED given the big capacitance value it takes a long time to dissipate its energy The operating voltage is 10 V if it is not completely discharged use a 100 Ohm 10 W resi...

Page 41: ...et to compile it With the instrument should come the mains supply cable and the interface cables The user s manual originally delivered with the test set is not necessary Cover the instrument with a p...

Page 42: ..._____________________________ HOW DID IT OCCUR ______________________________________________________ __________________________________________________________________________ _______________________...

Page 43: ...n also input your password that is blank at the beginning After this the first message after power on is Input the password Take care because if you lose it it is hard to recover the operation 3 6 CAL...

Page 44: ...ut a jumper on the coil driver then select the offset channel the following window is displayed If you check Fine the offset is automatically adjusted press Set to save the new correction For the ampl...

Page 45: ...generated by a relay test set Press Measure and then apply voltages as displayed then set the measurement If the micro Ohmmeter is to be calibrated the following window is displayed The offset calibr...

Page 46: ...ts 1 N 10 Fuses in the supply socket 1 rated T5A code XFU 2 N 10 Fuses of the 5 V DC voltage 20 rated F100mA code XFU 3 N 1 Encoder with switch for MENU control knob 5 code XCM10160 4 N 1 Printed circ...

Page 47: ...Doc MIE10166 Rev 1 Page 47 of 47 APPENDIX 2 TEST SET SCHEMATIC...

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