Farnell GT6-20A Скачать руководство пользователя страница 21 | Manualshive

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Содержание GT6-20A

Страница 1: ...e all outputs VOLTS VOLTS Switched mode technique on main output for compact 2 1kV input output insulation ness and high efficiency OUTPU ouTPUT 220 240V or 115 120V 10 45 440Hz inputselected by Low r...

Страница 2: ...s cycle 28mS at 10 mains input when the unit is supplying 5 25V at 20A and 2x15 5V at 1 75A see graphs on page 3 Current limiting is provided on each output and an optional overcurrent trip is availab...

Страница 3: ...70 80 50 10 40 20 0 30 0 1 MAINS VOLTAGE Notmal on load inputcurrentwaveform 0 0 2 240 220 240 10 200 220 109 180 220 20 50 SCR 301 triggerdd output nabled 0 5 100 Switch on time 150 10 1 0 Half cycl...

Страница 4: ...3 L26 03 145t05 703 3 6BA TERMINALS 2 EQUAL PITCHES OF 63 12 6 FARNEL 293 We reserve the right to amend specifications without notification 782 65 5 160t0s 128 7 6 6BA TERMINALS 8 68A TEAMINALS 2 TERM...

Страница 5: ...INSTRUCTION BOOK FOR GT6 20OA POWER SUPPLY KNELLINSTRUMENTS LIMITED SANDBECK WAY WETHERBY WESTYORKSHIRE LS22 4DH TELEPHONE O937 63541 TELEX 557294...

Страница 6: ...of equipment supplied Introduction Speci fi cation Graphs CONTENTS Schematic Operating instructions Circuit descript ion Mechanical details Maintenance Notes Circuit diagram in rear flap 2 3 5 6 11 1...

Страница 7: ......

Страница 8: ...oad to All the outputs may be switched on or off together by remote control and a front panel L E D is provided for each output to indicate the presence of output voltage Current limiting is provided...

Страница 9: ...mb ination of 0 100 load change on all outputs and 10 line change air outrut Less than 10mV r m s 50mV pk pk Auriliaries Less than S1v 5 20mV pk pk Ail ou tputs 0 01 per C typical ain output 100ms2 at...

Страница 10: ...overload on the ma in output Auciliaries Cutback current limiting set to 110 5 of full load current reducing to approxi mately 60 of ful load current for a short circuit load Also an auto reset thermo...

Страница 11: ...AL 240V a c INPUT 80 70 6 Limit of VDE 0875 curve N 60 50 Neutral Live OUTPUT VOLTS 40 i dB uV in 15012 10 20 INPUT AMPS 10 10 450 400 350 300 250 200 50 100 10 0 2 10 0 5 0 2 MHz Time mS Switch on ti...

Страница 12: ...C401 VT402 Thermal Trip VT401 TX101 Primar Current sense Trane6 S401 Clock IC1 Control circuit board 252X0088 Pulse width Modulator VT35 6 Mains Inverter Transformer C57 1 2 IC3 sformer SCR1 D14 17 DC...

Страница 13: ...nals are located on the 3 way terminal block at the left hand side of the unit front panel and are marked L live N neutral and earth The unit will operate from either a 115 120V supply or a 220 240V s...

Страница 14: ...total voltage drop in the output connecting leads plus the load voltage should not exceed 15 5V on the 15V auxi l iary tap or 12 5V on the 12V auxil iary tap Remote on off ATT the outputs may be reduc...

Страница 15: ...ight hand side panel to give access to the inverter transformer The inverter trans former is the large ferrite cored trans former moun ted on the side panel and it has a small circuit board mounted on...

Страница 16: ...ain output A proportion of the main output voltage from the potent ial divider R407 P401 R25 and P2 is compared with the internally generated reference voltage from Z3 by the voltage cont rol amplifie...

Страница 17: ...t voltage reduces to limit the output current and the voltage control amplifier output increases reverse biass ing diode D4 Under these condi tions Note that the current f low in the pr imary of the i...

Страница 18: ...U 6 6BA TERMINALS 9t 0 3 175706 Date 2 11 78 4SZUO026 128 7 Dr gNo 19 1600 5 Ou 2610 3 800 2 655 MAINS I N D 782 29 3 MRAINr O FARNELL GT6 20A OUTLINE DRAWING G SERIES DUAL INPUT MECHANICAL DETAILS OF...

Страница 19: ...carriage costs 14 Our responsibility is in all cases l imited to the cost of mak i ng qood the defect in the equipment itself The guarantee does not extend to third part ies nor Maintenance In the eve...

Страница 20: ...R50 TX 501D501 504 D601 604 151 12 i12V 15 404 501 502 601 604 402 403 404 IOutput 1 10 12V D601 2 34 ALL ESM 255 _100R 15v D501 D601 R601 D502 IOutput 2 10 A602 D501 10 C601 10 R603 C603 R604 HH D60...

Страница 21: ...R29 DE 8 D7 1N4148 R30 100k COEFF VIB BC 182L R3I 3 9k D8 IC3 SN74132N BC 212L IN4148 R32 100k R33 349k UNITS ONL R34 1 D9 IN4148 3 3k R36 12k R3 10 R38 15 B10 R39 10 IC4 D10 IC4 G13 SN 7472N 10S div...

Страница 22: ...702 2802 IC701 1C801 P702 P802 R809 560 Z 701 710 711 810 811 ZF2 7P Z801 ZF2 7P RESISTOR VALUES IN QUNLESS STATED OTHERWISE CAPACITOR VALUES IN AF 2 702 BZY88 R711 RZ10 R811 R810 704 804 705 805 706...

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