Info only for the Programming Card

1 SAFETY INSTRUCTIONS.............................................1-1 1.1 INTRODUCTION.........................................................1-1 1.2 SAFETY PRECAUTIONS..................................................1-1 1.3 CAUTION AND WARNING STATEMENTS.....................................1-1 1.4 SYMBOLS..............................................................1-1 1.5 IMPAIRED SAFETY......................................................1-2 1.6 GENERAL SAFETY INFORMATION.........................................1-2 2 GENERAL INFORMATION............................................2-1 2.1 CHARACTERISTICS......................................................2-1 2.1.1 Performance Characteristics........................................2-1 2.1.2 Environmental Characteristics.......................................2-1 2.1.3 Mechanical requirements...........................................2-1 2.1.4 Instrument performance............................................2-2 2.1.4.1 Output channel 30V/10A/60W performance....................2-2 2.1.4.2 Output channel 60V/5A/60Wperformance.....................2-4 2.1.4.3 Output channel 60V/10AJ120Wperformance...................2-5 2.1.5 Safety characteristics..............................................2-7 2.1.6 Dimensions and weight............................................2-8 2.1.7 Mains Supply Conditions...........................................2-8 2.2 INTERFERENCES.......................................................2-8 2.2.1 Electromagnetic interference........................................2-8 2.2.2 Frequency interference............................................2-8 3 CIRCUIT DESCRIPTIONS.............................................3-1 3.1 DESCRIPTION OF EACH CIRCUIT SECTION.................................3-1 3.1.1 CPU PCB, unit A1 ................................................3-1 3.1.2 DISPLAY KEYBOARD PCB, unit A2..................................3-5 3.1.3 AD-DA PCB, unit A3...............................................3-5 3.1.4 Output on the front panel...........................................3-9 3.1.5 Input module...................................................3-10 3.1.5.1 Setting the power voltage.................................3-10 4 PERFORMANCE VERIFICATION PROCEDURES.........................4-1 4.1 GENERAL INFORMATION.................................................4-1 4.2 RECOMMENDED TEST EQUIPMENT........................................4-1 5 DISASSEMBLING THE INSTRUMENT..................................5-1 5.1 GENERAL INFORMATION.................................................5-1 5.2 REMOVING THE COVER..................................................5-1 5.3 DISASSEMBLING THE INSTRUMENT.......................................5-1 5.4 REASSEMBLING THE INSTRUMENT........................................5-2 6 CALIBRATION ADJUSTMENT PROCEDURE.............................6-1 6.1 GENERAL INFORMATION.................................................6-1 6.1.1 Recommended test equipment for local calibration.......................6-1 6.1.2 Recommended test equipment for remote calibration.....................6-1 6.2 CALIBRATION PROCEDURES.............................................6-1 6.2.1 Local calibration procedure.........................................6-1 6.2.2 Remote calibration procedure.......................................6-4 7 CORRECTIVE MAINTENANCE PROCEDURES...........................7-1 7.1 HARDWARE-ERROR MESSAGES..........................................7-1 7.2 TROUBLESHOOTING....................................................7-2 7.2.1 Introduction.....................................................7-2 7.2.2 CPU PCB.......................................................7-2 7.2.3 AD-DA PCB.....................................................7-3 7.3 REPLACEMENTS........................................................7-3 7.3.1 Standard parts...................................................7-3 7.3.2 Special parts....................................................7-4 7.3.3 Transistors and integrated circuits....................................7-4 7.4 RECALIBRATION AFTER REPAIR...........................................7-4 7.5 INSTRUMENT REPACKING................................................7-4 8 SAFETY INSPECTION AND TESTS AFTER REPAIR AND MAINTENANCE IN THE PRIMARY CIRCUIT...........................................8-1 8.1 GENERAL DIRECTIONS..................................................8-1 8.2 SAFETY COMPONENTS..................................................8-1 8.3 CHECKING PROTECTIVE GROUND.........................................8-1 8.4 CHECKING INSULATION RESISTANCE......................................8-1 8.5 CHECKING LEAKAGE CURRENT...........................................8-1 8.6 VOLTAGE TEST.........................................................8-1 9 PARTS LIST.......................................................9-1 10 WIRING DIAGRAM 10-1