Version 4
SHEET 1 880 680
WIRE -320 -560 -400 -560
WIRE -224 -560 -288 -560
WIRE -144 -560 -192 -560
WIRE -64 -560 -112 -560
WIRE 32 -560 -32 -560
WIRE 112 -560 64 -560
WIRE -288 -496 -288 -560
WIRE -288 -496 -320 -496
WIRE -192 -496 -192 -560
WIRE -192 -496 -224 -496
WIRE -112 -496 -112 -560
WIRE -112 -496 -144 -496
WIRE -32 -496 -32 -560
WIRE -32 -496 -64 -496
WIRE 64 -496 64 -560
WIRE 64 -496 32 -496
WIRE 112 -368 112 -496
WIRE 48 -320 -80 -320
WIRE 112 -160 112 -272
WIRE 112 -48 112 -80
FLAG -80 -320 IN1
IOPIN -80 -320 In
FLAG -480 -272 0
FLAG -368 -272 0
FLAG -480 -352 24V
IOPIN -480 -352 Out
FLAG -368 -352 IN1
IOPIN -368 -352 Out
FLAG -400 -560 24V
IOPIN -400 -560 In
FLAG 112 -48 0
SYMBOL npn 48 -368 R0
SYMATTR InstName Q4
SYMATTR Value 2SCR574D
SYMBOL voltage -480 -368 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 24 96 Invisible 2
SYMATTR Value 24
SYMATTR InstName V1
SYMBOL voltage -368 -368 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -46 140 Left 2
SYMATTR Value PULSE(0 3.3 0 3n 3n 20n 40n 10)
SYMATTR InstName V2
SYMBOL LED -304 -560 M0
SYMATTR InstName D6
SYMATTR Value LUW-W5AP
SYMBOL res 128 -176 M0
SYMATTR InstName R1
SYMATTR Value 2.5
SYMBOL LED -208 -560 M0
SYMATTR InstName D1
SYMATTR Value LUW-W5AP
SYMBOL LED -128 -560 M0
SYMATTR InstName D2
SYMATTR Value LUW-W5AP
SYMBOL LED -48 -560 M0
SYMATTR InstName D3
SYMATTR Value LUW-W5AP
SYMBOL LED 48 -560 M0
SYMATTR InstName D4
SYMATTR Value LUW-W5AP
SYMBOL LED 128 -560 M0
SYMATTR InstName D5
SYMATTR Value LUW-W5AP
TEXT -480 -56 Left 2 !.tran 500n startup