Watlow QPAC Modular SCR Power Control Service Manual de usuario descargar pdf (Pagina 32)

32 WATLOW QPAC Service Manual

Waveforms, Appendix

Appendix

Figure 25 Scope Picture 10

QBV 5ms/div

1) FWZ (TP1) 2) Output Pulses (TP4)

Figure 26 Scope Picture 11

QBV Sequence at 50% Output

TP1, TP2, TP4, and TP5

Figure 27 Scope Picture 12

QAF and QAL 2ms/div

1) FWZ (TP1) 3) Comparator Output (TP3)

2) Ramp (TP2) 4) Load Current QAF and QA

Figure 28 Scope Picture 13

QAF and QAL 2 Second/div

1) ESD (TP4) 2) Soft Start Dump (TP5) 3) Ramp (TP6)

Figure 29 Scope Picture 14

QAD 2ms/div

1) FWZ (TP1) 2) +ZX180 (TP2) 3) –ZX180 (TP3)

Figure 30 Scope Picture 15

QAD 2ms/div

1) +ZX180 (TP2) 3) Output Pulse

2) –ZX180 (TP3) 4) Load Current (TP5)

5V/div

2V/div5V/div 5V/div 5V/div

5V/div2V/div5V/div

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 42 43

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Watlow QPAC Modular SCR Power Control Service Manual de usuario Pagina 32