Version 4
SHEET 1 2288 728
WIRE 160 -16 64 -16
WIRE 256 -16 160 -16
WIRE 544 -16 544 -96
WIRE 544 -16 256 -16
WIRE 720 -16 544 -16
WIRE 848 -16 720 -16
WIRE 1072 -16 848 -16
WIRE 2128 -16 2128 -80
WIRE 720 16 720 -16
WIRE 64 32 64 -16
WIRE 160 32 160 -16
WIRE 256 32 256 -16
WIRE 1872 32 1872 -32
WIRE 1072 80 1072 -16
WIRE 720 128 720 96
WIRE 1008 128 720 128
WIRE 1872 128 1872 96
WIRE -256 144 -288 144
WIRE -224 144 -256 144
WIRE -32 144 -144 144
WIRE 64 144 64 112
WIRE 64 144 -32 144
WIRE 320 144 64 144
WIRE 416 144 384 144
WIRE 2128 144 2128 64
WIRE -256 192 -256 144
WIRE -208 192 -256 192
WIRE -128 192 -160 192
WIRE 1072 208 1072 176
WIRE 1248 208 1072 208
WIRE 1872 224 1872 208
WIRE 1872 224 1792 224
WIRE 720 240 720 128
WIRE -256 288 -288 288
WIRE -224 288 -256 288
WIRE -32 288 -144 288
WIRE 160 288 160 112
WIRE 160 288 -32 288
WIRE 320 288 160 288
WIRE 416 288 416 144
WIRE 416 288 384 288
WIRE 544 288 416 288
WIRE 656 288 624 288
WIRE 1872 288 1792 288
WIRE 2192 288 1872 288
WIRE 1072 304 1072 208
WIRE -256 336 -256 288
WIRE -208 336 -256 336
WIRE -128 336 -160 336
WIRE 1248 336 1184 336
WIRE 1872 336 1872 288
WIRE 2192 368 2192 288
WIRE 1184 400 1184 336
WIRE -256 432 -288 432
WIRE -224 432 -256 432
WIRE -32 432 -144 432
WIRE 256 432 256 112
WIRE 256 432 -32 432
WIRE 320 432 256 432
WIRE 416 432 416 288
WIRE 416 432 384 432
WIRE 1872 432 1872 400
WIRE 1072 448 1072 384
WIRE 1120 448 1072 448
WIRE -256 480 -256 432
WIRE -208 480 -256 480
WIRE -128 480 -160 480
WIRE 720 544 720 336
WIRE 1184 544 1184 496
WIRE 1872 544 1872 512
WIRE 2192 544 2192 448
FLAG -288 144 0
FLAG -288 288 0
FLAG -288 432 0
FLAG 1248 208 START
IOPIN 1248 208 Out
FLAG 544 -96 +12V
IOPIN 544 -96 In
FLAG 1248 336 NEUTRAL
IOPIN 1248 336 In
FLAG 1184 544 0
FLAG 2128 -80 +12V
IOPIN 2128 -80 Out
FLAG 2128 144 0
FLAG 1872 -32 +12V
IOPIN 1872 -32 In
FLAG 1792 224 NEUTRAL
IOPIN 1792 224 Out
FLAG 1792 288 START
IOPIN 1792 288 In
FLAG 1872 544 0
FLAG 720 544 0
FLAG 2192 544 0
FLAG -32 144 G1
FLAG -32 288 G2
FLAG -32 432 G3
FLAG -128 192 SG1
FLAG -128 336 SG2
FLAG -128 480 SG3
FLAG -912 64 0
FLAG -912 256 0
FLAG -912 448 0
FLAG -912 -16 SG1
FLAG -912 176 SG2
FLAG -912 368 SG3
DATAFLAG 848 -16 "int(1000*$)/1000"
SYMBOL Misc\\EuropeanResistor 48 16 R0
SYMATTR InstName R1
SYMATTR Value 4k7
SYMBOL Misc\\EuropeanResistor 144 16 R0
SYMATTR InstName R2
SYMATTR Value 4k7
SYMBOL Misc\\EuropeanResistor 240 16 R0
SYMATTR InstName R3
SYMATTR Value 4k7
SYMBOL npn 1120 400 R0
SYMATTR InstName Q4
SYMATTR Value 2SCR554P
SYMBOL diode 320 160 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode 320 304 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL diode 320 448 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMATTR Value 1N4148
SYMBOL Misc\\EuropeanResistor 1056 288 R0
SYMATTR InstName R4
SYMATTR Value 4k7
SYMBOL voltage 2128 -32 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL LED 1856 32 R0
SYMATTR InstName D4
SYMATTR Value NSCW100
SYMBOL Misc\\EuropeanResistor 1856 112 R0
SYMATTR InstName R8
SYMATTR Value 560
SYMBOL LED 1856 336 R0
SYMATTR InstName D5
SYMATTR Value NSCW100
SYMBOL Misc\\EuropeanResistor 1856 416 R0
SYMATTR InstName R9
SYMATTR Value 560
SYMBOL npn 656 240 R0
SYMATTR InstName Q1
SYMATTR Value 2SCR554P
SYMBOL Misc\\EuropeanResistor 704 0 R0
SYMATTR InstName R5
SYMATTR Value 220
SYMBOL npn 1008 80 R0
SYMATTR InstName Q2
SYMATTR Value 2SCR554P
SYMBOL Misc\\EuropeanResistor 2176 352 R0
SYMATTR InstName RL
SYMATTR Value 12
SYMBOL sw -240 144 R270
SYMATTR InstName S1
SYMBOL sw -240 288 R270
SYMATTR InstName S2
SYMBOL sw -240 432 R270
SYMATTR InstName S3
SYMBOL Misc\\signal -912 352 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 1 0 100u 100u 399.9m 800m 4)
SYMBOL Misc\\signal -912 -32 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PULSE(0 1 0 100u 100u 99.9m 200m 4)
SYMBOL Misc\\signal -912 160 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value PULSE(0 1 0 100u 100u 199.9m 400m 4)
SYMBOL Misc\\EuropeanResistor 528 304 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 470
TEXT -572 -152 Left 2 !.tran 1000m
TEXT -576 -112 Left 2 !.model SW SW(Ron=0.1 Roff=1Meg Vt=.5 Vh=-0.3