Appendix, Waveforms and schematics – Watlow QPAC Modular SCR Power Control Service User Manual
Page 31

WATLOW QPAC Service Manual
31
Waveforms, Appendix
Appendix
Figure 16
Scope Picture 1
2ms/div
FWZ QPAC-01 and QPAC-32 Base
Figure 17
Scope Picture 2
2ms/div
FWZ (top) Ref Sine Wave for QPAC-33 Base
Figure 18
Scope Picture 3
5us/div
MCK (TP 9) QPAC-33 Base , QAD Card (TP 4)
Figure 19
Scope Picture 4
2ms/div
1) (top) FWZ (TP6)
4) T-On C (U5-8)
6) Load On (T2)
2) T-On A (U8-12)
5) Load On (T1)
7) Load On (T3)
3) T-On B (U8-8)
Figure 20
Scope Picture 5
2ms/div
FWZ CA or CD Card (U1-3), QBF Card (TP1)
Figure 21
Scope Picture 6
15ms/div
1) (top) Ramp QBF (TP2) 2) Comparator Out QBF (TP3)
5V/Div
5V/Div
2V/Div
2V/div
5V/div
2V/div
2V/div
Figure 22
Scope Picture 7
QBF
200ms/div
1) Ramp (TP2)
2) Gating Output (TP4)
Figure 23
Scope Picture 8
QBV
5ms/div
1) FWZ (TP1 and TP2)
2) Ref. Sine Wave (TP 2)
2V/div
2V/div
Figure 24
Scope Picture 9
QBV
5ms/div
1) FWZ (TP1)
2) Count Clear Delay (TP3)
2V/div