
APPENDIX D: SYSTEM TIMING
STA SERIES AC CONTROLS
990-351
D-5
Spot Welding with 3 Impulses
DN1
DN2
FS1*
Current
Electrode
Valve
Solenoid
Valve
Electrode
Force
SQD SQZ UP1 W1
CO UP2 W2
HO
OFF
*See Chapter 3 for description of Maintained, Pulsed, and Latched modes. One-stage footswitch shown.
**The first impulse is a W2 period only. The second and following impulses are a CO period followed by a W2 period.
First
Impulse**
Second
Impulse**
Third
Impulse**
CO
W2
CO
W2
Notes:
1
FS1 and FS2 are debounced for 30-70 ms upon opening and closing.
2
The microprocessor requires up to 70 ms of calculation time upon closure of FS1 and 50 ms of
calculation of FS2. Valves and current may have a different calculation time.
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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