Heater lamp
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
AC wave
+
Variation
No.1 0 V
(Duty 100 %)
− | Zero | |
cross | ||
| ||
Conductivity | point | |
On On On On On On On On On On | ||
staus of Triac | ||
| ||
(TRC1) |
|
+
Variation
No.2 0 V
(Duty 80 %)
−
On On On On On On On On Off Off
+
Variation
No.3 0 V
(Duty 60 %)
−
On On Off On On Off On On Off Off
+
Variation
No.4 0 V
(Duty 40 %)
−
On Off Off On Off Off On On Off Off
+
Variation
No.5 0 V
(Duty 0 %)
−
Off
Off Off Off Off Off Off Off Off Off