Unitek Peco PHASEMASTER 6 - Maintenance and Calibration; Calibration and System Checks

PHASEMASTER™ 6 DIRECT ENERGY WELDING CONTROL
viii 990-083
Evaluate Results........................................................................................................... 3-20
Electrode Maintenance................................................................................................. 3-20
CHAPTER 4: MAINTENANCE ......................................................................................... 4-1
Modification and Calibration......................................................................................... 4-1
Cover Removal...................................................................................................... 4-1
Line Voltage Modification...................................................................................... 4-1
Calibration Check........................................................................................................ 4-2
Check Weld/No Weld Switch................................................................................ 4-3
Half Cycle Symmetry............................................................................................. 4-3
Line Count............................................................................................................. 4-3
Memory Initialization.............................................................................................. 4-4
Repair Service ............................................................................................................. 4-4
Telephone Service.................................................................................................. 4-4
Factory Service Repair........................................................................................... 4-4
APPENDIX A: TECHNICAL SPECIFICATIONS............................................................. A-1
Section I. Specifications .................................................................................................... A-1
Line Voltage ................................................................................................................ A-1
50/60 Hz Operation............................................................................................... A-1
Output Current vs Duty Cycle ................................................................................ A-1
Weld Schedules..................................................................................................... A-1
Schedule Protection Feature................................................................................... A-2
Sequence Welding Function................................................................................... A-2
Squeeze Period...................................................................................................... A-2
Weld Period .......................................................................................................... A-2
Weld Current......................................................................................................... A-3
Hold Period........................................................................................................... A-3
Automatic Line Voltage Compensation......................................................................... A-3
Polarity Selection......................................................................................................... A-4
Power Factor Correction............................................................................................. A-4
Head Type................................................................................................................... A-4
Valve Driver ................................................................................................................ A-4
Footswitch................................................................................................................... A-5
Initiation....................................................................................................................... A-5
Footswitch Weld Abort On.......................................................................................... A-5
Footswitch Weld Abort Off.......................................................................................... A-5
Footswitch Weld Abort On/Off.................................................................................... A-6
Alarms ........................................................................................................................ A-6
Alarm Buzzer............................................................................................................... A-6