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1000 Technology Drive, Pittsburgh, PA 15219

645 Russell Street, Batesburg, SC 29006

SM 5924

Copyright

©

2009

SM 5924, Rev. 1

Ansaldo STS USA, Inc.

June 2009

F-42

DC/DC

C

ONVERTER

ASTS USA Part No.

N16920401

Installation

Operation

Maintenance

1
2
3
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Содержание F-42

Страница 1: ...Drive Pittsburgh PA 15219 645 Russell Street Batesburg SC 29006 SM 5924 Copyright 2009 SM 5924 Rev 1 Ansaldo STS USA Inc June 2009 F 42 DC DC CONVERTER ASTS USA Part No N16920401 Installation Operati...

Страница 2: ......

Страница 3: ...nt of ASTS USA Important Notice ASTS USA constantly strives to improve our products and keep our customers apprised of changes in technology Following the recommendations contained in the attached ser...

Страница 4: ...EV DATE NATURE OF REVISION 0 May 1981 Initial Issue 1 June 2009 Revised value of C3 in Figure 4 1 Copyright 2009 Ansaldo STS USA Inc 1000 Technology Drive Pittsburgh PA USA 15219 3120 645 Russell Stre...

Страница 5: ...3 1 Mounting 3 1 3 2 Electrical Connections 3 1 3 3 Calibration 3 1 4 MAINTENANCE AND TROUBLESHOOTING 4 1 4 1 General 4 1 4 2 Converter Regulator Section 4 1 4 3 CONVERTER OUTPUT SECTION 4 3 4 4 CBI...

Страница 6: ...Converter Schematic Diagram 4 2 Figure 4 2 CB3 Voltage Control Board Surge Protection Modification 4 6 Figure 5 1 F 42 DC DC Converter Parts Location 5 7 List of Tables Table 5 1 N451033 2901 Parts Li...

Страница 7: ...temperature range The output shall not be less than 28V if the input voltage drops to 45V during a transient condition The converter is capable of starting with a lamp load of four 15 watt 34 volt sig...

Страница 8: ...3 to protect against a malfunction of the input circuit The trip point is controlled by diode D4 between 40 8V and 45 2V and prevents excessive voltage being applied to the output circuits Transient V...

Страница 9: ...B3 to make the circuit inoperative if circuit board CB3 is not connected to protect against over voltage The pre regulator can be separated from the output converter by disconnecting connector TP7 1 f...

Страница 10: ...PRINCIPLES OF OPERATION 2 2 SM 5924 Rev 1 June 2009...

Страница 11: ...01 UNIT VIEW OF PLUG CONNECTOR FOR 2904 UNIT 60 TO 80VDC INPUT 60 TO 80VDC INPUT B INPUT B INPUT 32VDC 7 5 AMP OUT 32VDC 7 5 AMP OUT B OUTPUT B OUTPUT UG0106 0045 00 Figure 3 1 Plug Connector Pinning...

Страница 12: ...INSTALLATION 3 2 SM 5924 Rev 1 June 2009...

Страница 13: ...approximately 1 amp capacity across the and input terminals of connector P4 3 Slowly increase the voltage from OV and observe that the output voltage is rising with the input voltage At approximately...

Страница 14: ...4 2 SM 5924 Rev 1 June 2009 Figure 4 1 F 42 DC DC Converter Schematic Diagram...

Страница 15: ...ty across tie point TP7 1 and the DC input terminal or between the emitter of Q4 and the collector of Q5 3 Place a scope across the lS and 2S leads of the out put transformer T3 the AC input terminals...

Страница 16: ...easurement b The IC input at the switch point pin 2 to pin 4 should be approximately the same value as the reference voltage Use a high impedance voltmeter or scope for this check c If Steps a and b a...

Страница 17: ...wiring changes 1 The lead from P3 to pin 2 CB3 to TP6 2 should be moved so that it goes directly from P3 pin 2 to SCR1 cathode This lead should be a black wire and should be twisted together with a g...

Страница 18: ...4 6 SM 5924 Rev 1 June 2009 Twisted Pair Figure 4 2 CB3 Voltage Control Board Surge Protection Modification...

Страница 19: ...15 SCR SST 6 32X5 16PAN J5072980105 165 TERM INSUL 1417 7 12 J731227 170 TERM 10 SHKPKF LCKG J730070 175 STRIP KULKA MARKER J725808 180 INSULATION M4511712401 185 TRANSISTOR PNP 16A 140V 2N6031 TO 3 J...

Страница 20: ...PT FASTON PIDG J726219 440 RESISTOR 1 5K OHM 25 WATT J7355190101 445 MYLAR POLYEST FLM SH A772090 450 SCR 6 32X7 16 PAN HD J5072980107 455 COMPONENT SILICONE RUBBER J041620 465 WASHER 3 8 STEEL PL J47...

Страница 21: ...903 140 HEAT SINK M4511204407 145 HEAT SINK M4511204406 510 COMPOUND BONDING J041637 555 SCR 8 32X7 16 FLH SS J5253010107 725 ENCAPSULANT EPOXY ES0397 A0420010001 730 COMPOUND MOLD RELEASE 225 A041576...

Страница 22: ...8 HEX J480225 200 SCR SST6X1 2 SLFT J5073010108 205 SKT XSTR TO 3 J725477 210 SCR 4 40X3 4 FLAT SS J5252760112 215 SKT XSTR TO 66 J725476 220 SCR SST 4 40X1 2 PAN J5072970108 225 WSHR SST LOCK NO 4 J4...

Страница 23: ...22151 505 TAB QUICK CONNECT J792667 510 COMPOUND BONDING J041637 515 RECEPTACLE TIN PL BRASS J723923 520 DIODE RECT 12A 200V 1N3891R J7261500110 535 RADIATOR N4510332902 540 RADIATOR N4510332903 545 S...

Страница 24: ...5 6 SM 5924 Rev 1 June 2009...

Страница 25: ...PARTS LIST SM 5924 Rev 1 June 2009 5 7 5 8 Figure 5 1 F 42 DC DC Converter Parts Location...

Страница 26: ......

Страница 27: ...ORT The Rapid Action Information Link Team RAIL Team is a group of experienced product and application engineers ready to assist you to resolve any technical issues concerning this product Contact the...

Страница 28: ...RAIL Team and Technical Support 6 2 SM 5924 Rev 1 June 2009 End of Manual...

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