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FS-1010
Figure 4-3-6 heater lamp turn-on variations
Variation
No.1
(Duty 100 %)
Variation
No.2
(Duty 80 %)
Variation
No.3
(Duty 60 %)
On On On On On On On On On On
On On On On On On On On Off Off
On On Off On On Off On On Off Off
On Off
Off Off Off Off Off Off Off Off Off Off
Off On Off Off On On Off Off
+
−
+
−
+
−
Variation
No.4
(Duty 40 %)
+
−
Variation
No.5
(Duty 0 %)
+
−
Heater lamp turn-on pattern in 1 cycle (10 half waves)
AC wave
12345678910
0 V
0 V
0 V
0 V
0 V
Conductivity
staus of Triac
(TRC1)
Zero
cross
point