Equipment information

California Instruments 751L-PT Power supply
Manufacturer:
Model:
751L-PT
Date:
2000
Category:
Group:
Description:
Power Source

Information

This instrument is a high efficiency power source that provides a low distortion sine wave output. The AC Power Source can supply up to 2000VA for the 2001 L-PT, 1667 VA for the 1501 L-PT and 835 VA for the 751 L-PT. See the following table for the full output VA rating. MODEL OUTPUT V A 35°C 50°C 2001L 2000 1800 1501L 1667 1500 751L S3 5 750 Full power is available at the maximum output voltage on either of two voltage ranges. The standard voltage ranges are 135 and 270. Three optional voltage range pairs are available: 67.5/135,156/312 and 200/400. Full power is available from 45 Hz to 550Hz except for the 200/400 volt range (EHV option)

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Service and User Manual
Manual Type:
Service and User Manual
Pages:
140
Size:
4.02 Mbytes (4213302 Bytes)
Language:
english
Revision:
D
Manual-ID:
4005-949
Date:
Quality:
Scanned document, all readable.
Upload date:
2015 12 20
MD5:
cd0c1f944399ad295f50c5a5d970d2fd
Downloads:
2233

Information

1. INTRODUCTION ... 1 1.1. INTRODUCTION ... 1 1.2. GENERAL DESCRIPTION ... 1 1.3. ACCESSORY EQUIPMENT/RACK SLIDES ... 1 1.4. SPECIFICATIONS ... 3 2. INSTALLATION AND ACCEPTANCE ... 13 2.1. UNPACKING ... — ... 13 2.2. POWER REQUIREMENTS ... 13 2.2.1. AC LINE VOLTAGE ... 13 2.2.2. LINE FREQUENCY OPERATING RANGE ... 13 2.2.3. INPUT POWER ... 13 2.3. INPUT VOLTAGE RANGE SELECTION ... 14 2.3.1. LOW INPUT VOLTAGE RANGE CONFIGURATION (103-127V) Figure 2-2 ... 14 2.3.2. HIGH INPUT VOLTAGE RANGE CONFIGURATION (187-253 V) Figure 2-3 ... IS 2.4. MECHANICAL INSTALLATION ... 20 2.5. INPUT WIRING ... 20 2.6. OUTPUT CONNECTIONS ... 20 2.7. OUTPUT VOLTAGE RANGES ... 21 2.8. FUNCTION TEST ... 21 3. OPERATION ... 25 3.1. GENERAL ... 25 3.2. FRONT PANEL CONTROLS ... 25 3.3. FRONT PANEL INDICATORS ... 25 3.4. REAR PANEL CONNECTIONS ... 26 3.5. FRONT PANEL PROGRAMMING ... 30 3.3.1. KEYPAD ... 30 3.5.2. DISPLAY SCREENS ... 32 3.5.3. TO PROGRAM OUTPUT VOLTAGE AMPLITUDE (AMPS) ... 36 3.5.4. TO PROGRAM FREQUENCY (FRQ=6) ... 36 3.5.5. TO PROGRAM THE OUTPUT PHASE ANGLE (PHZ=7) ... 37 3.5.6. TO PROGRAM CURRENT LIMIT (CRL=8) ... 37 3.5.7. TO PROGRAM VOLTAGE RANGE (RNG-4) ... 37 3.5.8. TO PROGRAM RAMP OR STEP FUNCTIONS (RMP=9) ... 38 3.5.9. TO PROGRAM THE OUTPUT WA VEFORM (WVF~3) ... 40 3.5.10. TO PROGRAM EXTERNAL SYNCHRONIZATION (SNC=1) ... - ... 41 3.5.11. TO PROGRAM THE DROP PERIODS (DRP~29) ... 41 3.5.12. TO PROGRAM TOTAL HARMONIC DISTORTION (THD=0) ... 42 3.5.13. REGISTER LINKING ... 43 3.5.14. TO PROGRAM SIMULTANEOUS RAMPS ... 44 3.5.15. TO PROGRAM IN1TIALIZA TION PARAMETER ... 45 3.5.16. TO PROGRAM THE INITIAL VOLTAGE RANGE ... 46 3.5.17. TO PROGRAM FREQUENCY INITIAL VALUE ... 46 3.5.18. TO PROGRAM AMPLITUDE INITIAL VALUE ... 46 3.5.19. TO PROGRAM CURRENT LIMIT INITIAL VALUE ... 46 3.5.20. ERROR MESSAGES ... 47 3.5.21. TO MEASURE THE OUTPUT ... 48 3.5.22. TO MEASURE THE OUTPUT VOLTAGE (VLT=21) ... 48 3.5.23. TO MEASURE THE OUTPUT CURRENT (CUR=22) ... 48 3.5.25. TO MEASURE THE OUTPUT POWER FACTOR (PWF=24) ... 48 3.5.26. TO MEASURE THE OUTPUT APPARENT POWER (APW=25) ... 48 3.5.27. TO MEASURE THE OUTPUT FREQUENCY (FQM==26) ... 49 3.5.28. TO MEASURE THE OUTPUT PHASE ANGLE (PZM=27) ... 49 3.5.29. ELAPSED TIME (ELT =11) ... 49 3.6. REMOTE CONTROL ... 49 3.6.1. UNIT ADDRESS ... 49 3.6.2. MESSAGE FORMAT ... 53 3.6.3. NUMERIC DA TA FIELD ... 53 3.6.4. PROGRAM HEADERS ... 54 3.6.5. TO PROGRAM OUTPUT VOLTAGE AMPLITUDE (AMP) ... 59 3.6.6. TO PROGRAM FREQUENCY (FRQ) ... 59 3.6.7. TO PROGRAM PHASE ANGLE (PHZ) ... 59 3.6.8. TO PROGRAM CURRENT LIMIT (CRL) ... 59 3.6.9. TO PROGRAM TOTAL HARMONIC DISTORTION (THD) ... 60 3.6.10. TO PROGRAM HOLD OFF COMMAND (HLD) ... 60 3.6.11. TO PROGRAM RAMP OR STEP OPERA 77ONS ... 60 3.6.12. TO PROGRAM A REGISTER (REG) ... 61 3.6.13. TO RECALL A REGISTER (REC) ... 61 3.6.14. TO PROGRAM VOLTAGE RANGE (RNG) ... 62 3.6.15. TO PROGRAM EXTERNAL SYNCHRONIZA TION (SNC') ... 62 3.6.16. TO PROGRAM A NUMBER OF DROP PERIODS (DRP) ... 63 3.6.17. TO PROGRAM INITIAL VOLTAGE RANGE (ALMA) ... 63 3.6.18. TO PROGRAM INITIAL FREQUENCY VALUE (FIMA) ... 63 3.6.19. TO PROGRAM INITIAL AMPLITUDE VALUE (IN1A) ... 63 3.6.20. TO PROGRAM INITIAL CURRENT LIMIT VALUE (INIC) ... 64 3.621. TRIGGER AN OPERATION (TRG) ... 64 3.6.22. TO PROGRAM TO OUTPUT WA VEFORM (WVF) (Optional) ... 64 3.6.23. TO OPEN (OPN) AND CLOSE (CLS) THE OUTPUT RELAY ... 64 3.6.24. TO TALK (TLK) MEASURED AND PROGRAMMED DATA ... 65 3.6.25. TO TALK THE MEASURED OUTPUT VOLTAGE (TLK VLT) ... 69 3.6.26. TO TALK THE MEASURED OUTPUT CURRENT (TLK CUR) ... 69 3.6.27. TO TALK THE MEASURED OUTPUT POWER (TLKPWR) ... 69 3.6.28. TO TALK THE MEASURED OUTPUT POWER FACTOR (TLKPWF) ... 69 3.6.29. TO TALK THE MEASURED OUTPUT APPARENT POWER (TLKAPW) ... 69 3.6.30. TO TALK THE MEASURED OUTPUT FREQUENCY (TLK FQM) ... 70 3.6.31. TO TALK THE MEASURED OUTPUT PHASE ANGLE (TLK PZM) ... 70 3.6.32. MESSAGE SEPARATORS ... 70 3.6.33. SERVICE REQUEST ... 70 3.6.34. SERIAL POLL STATUS BYTE ... 71 3.6.35. END OF STRING ... 71 3.6.36. ERROR MESSAGES ... 71 3.6.37. GROUP EXECUTE TRIGGER ... 71 4. CALIBRATION PROCEDURE ... 73 4.1. GENERAL ... 73 4.2. TEST EQUIPMENT ... 74 4.3. PERIODIC CALIBRATION ... 74 4.3.1. OUTPUT VOLTAGE CALIBRATION ... 75 4.3.2. VOLTAGE MEASUREMENT CALIBRATION ... 78 4.3.3. CURRENT MEASUREMENT CALIBRATION ... 79 4.3.4. POWER MEASUREMENT CALIBRATION ... 80 4.3.5. REMOTE MEASUREMENT CALIBRATION ... 81 4.4. NONPERIODIC CALIBRATION ... 81 4.4.1. OUTPUT FREQUENCY CALIBRATION ... 81 4.4.2. CURRENT TRANSFORMER ADJUSTMENTS ... 81 4.4.3. CURRENT LIMIT CALIBRA TION ... 82 5. THEORY OF OPERATION ... 83 5.1. GENERAL ... 83 5.2. OVERALL DESCRIPTION ... 83 5.3. INPUT POWER SUPPLY ... 83 5.4. CURRENT LIMIT BOARD ... 84 5.5. INDICATOR BOARD ... 84 5.6. RANGE RELAY BOARD ... 84 5.7. Amplifier MODULE ... 84 5.8. Oscillator MODULE ... 85 5.9. CPU/GPIB BOARD ... 85 5.10. PHASE A/REF BOARD ... 86 5.11. DISPLAY MODULE ... 86 6. MAINTENANCE AND TROUBLESHOOTING ... 89 6.1. GENERAL ... 89 6.2. POOR VOLTAGE ACCURACY ... 89 6.3. POOR OUTPUT VOLTAGE REGULATION ... 89 6.4. OVERTEMPERATURE LAMP ON ... 90 6.5. OVERLOAD LAMP ON ... 90 6.6. CANT PROGRAM AC POWER SYSTEM ON GPIB ... 90 6.7. DISTORTED OUTPUT ... 91 6.8. NO OUTPUT ... 91 6.9. MODULE REMOVAL ... 92 6.10. Oscillator MODULE REMOVAL/REPLACEMENT ... 92 6.11. Amplifier REMOVAL/REPLACEMENT ... 93 7. REPLACEABLE PARTS ... 95 7.1. GENERAL ... 95 7.2. ORDERING INFORMATION ... 95 8. MIL-STD-704D ... 97 8.1. GENERAL ... 97 8.2. INITIAL SETUP ... 97 8.3. TEST PERFORMED ... 97 8.3.1. Steady state test. (Refer to MIL-704D Doc. Table 1) ... 97 8.3.2. Transient ... 97 8.3.3. Abnormal operation ... 98 8.3.4. Emergency operation (Refer to MIL-704D Doc. 5.2.5) ... 98 8.4. KEYPAD ENTRY (Refer TO PAGE 105 FOR KEYBOARD FLOW CHART) ... 98 8.5. GPIB OPERATION (REFERTO PAGE 105 FOR SYNTAX DIAGRAM) ... 101 8.6. TEST SPECIFICATION ... 102 8.6.1. STEADY STATE ... 102 8.6.2. TRANSIENT ... 103 8.6.3. ABNORMAL ... 104 8.6.4. EMERGENCY ... 105 8.6.5. MIL704D TEST ... 106 9. RTCA/DO-16ÖC ... 115 9.1. GENERAL ... 115 9.2. INITIAL SETUP ... 115 9.3. TEST PERFORMED ... 115 9.3.1. NORMAL STATE ... 115 9.3.2. EMERGENCY TEST ... 115 9.3.3. ABNORMAL TEST ... 115 9.4. KEYPAD ENTRY (Refer to Figure 1 for Keyboard Flow Chart) ... 116 9.5. GPIB OPERATION ... 118 9.6. TEST SPECIFICATION ... 119 9.6.1. NORMAL STATE ... 119 9.6.2. Normal State Minimum Voltage and Frequency Test ... 119 9.6.3. Normal State Maximum Voltage and Frequency Test ... 119 9.6.4. Normal State Waveform Distortion ... 119 9.6.5. Normal State Voltage Modulation ... 119 9.6.6. Normal State Frequency Modulation ... 120 iv California

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