
APPENDIX A: TECHNICAL SPECIFICATIONS
STA SERIES AC CONTROLS
A-2
990-351
ITEMS
SPECIFICATIONS
Regulation
Percent Heat Mode
Control Speed
Accuracy
Constant Current – Primary
Monitor
Control Algorithm
*Initial Responding
Speed
*Voltage regulation
*Resistive load
regulation
*Inductive load
regulation
Constant Current –
Secondary
Monitor
Control Algorithm
*Initial Responding
Speed
*Voltage regulation
*Resistive load
regulation
*Inductive load
regulation
*Average Current
Accuracy
*For welds between 20%
and 95% of full current
Responds by end of second cycle to input voltage fluctuations.
3% of set point for fluctuation of
10% of power source voltage
Internal current transformer
Whole cycle (symmetrical) by cycle
Set point current
10% after 4 cycles
2% of set point for +10, –15% AC voltage fluctuation
2% of set point for
15% load resistance fluctuation
2% of set point for
15% load induction fluctuation
External Rowgowski Coil (Torroidal Coil)
Half cycle by half cycle
Set point current
10% after 2 cycles
2% of set point for +10, –15% AC voltage fluctuation
2% of set point for
15% load resistance fluctuation
2% of set point for
15% load induction fluctuation
1% of set point of full scale after initial response
Содержание Miyachi Unitek STA-100A
Страница 1: ...990 351 Rev H AC WELDER STA SERIES OPERATION MANUAL...
Страница 18: ...CHAPTER 1 DESCRIPTION STA SERIES AC CONTROLS 1 4 990 351 STA 100A Series Major Components Typical...
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Страница 68: ...CHAPTER 5 MAINTENANCE STA SERIES AC CONTROLS 5 4 990 351...
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Страница 82: ...APPENDIX A TECHNICAL SPECIFICATIONS STA SERIES AC CONTROLS A 4 990 351 STA 200A AC Control Control...
Страница 86: ...APPENDIX B ELECTRICAL AND DATA CONNECTIONS STA SERIES AC CONTROLS B 4 990 351 Input Output Control Signals...
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Страница 96: ...APPENDIX D SYSTEM TIMING STA SERIES AC CONTROLS D 2 990 351 Continuous Seam Weld...
Страница 98: ...APPENDIX D SYSTEM TIMING STA SERIES AC CONTROLS D 4 990 351 Spot Welding...
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