Version 4
SHEET 1 972 680
WIRE -128 -368 -464 -368
WIRE -128 -352 -128 -368
WIRE -128 -240 -128 -272
WIRE 144 -144 64 -144
WIRE 256 -144 144 -144
WIRE 384 -144 256 -144
WIRE -128 -128 -128 -160
WIRE 64 -80 64 -144
WIRE 384 -80 384 -144
WIRE -128 -16 -128 -48
WIRE 384 32 384 -16
WIRE 528 32 384 32
WIRE 848 32 720 32
WIRE 384 48 384 32
WIRE 848 80 848 32
WIRE 256 112 256 -144
WIRE -464 128 -464 -368
WIRE 528 128 464 128
WIRE 752 128 720 128
WIRE -128 144 -128 64
WIRE 224 144 -128 144
WIRE 64 192 64 0
WIRE -128 208 -128 144
WIRE 848 208 848 160
WIRE -464 320 -464 208
WIRE -128 320 -128 288
WIRE -128 320 -464 320
WIRE 64 320 64 272
WIRE 64 320 -128 320
WIRE 256 320 256 176
WIRE 256 320 64 320
WIRE 384 320 384 128
WIRE 384 320 256 320
WIRE 464 320 464 128
WIRE 464 320 384 320
WIRE 752 320 752 128
WIRE 848 320 848 288
WIRE 848 320 752 320
WIRE 64 384 64 320
WIRE 848 400 848 320
FLAG 64 384 0
FLAG 848 32 arduino
FLAG -464 -368 Zwischenkreis
FLAG 144 -144 Lowsidepower
FLAG 848 400 0
SYMBOL voltage 64 176 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 13
SYMBOL Misc\\EuropeanResistor -144 -32 R0
SYMATTR InstName R1
SYMATTR Value 680K
SYMBOL Misc\\EuropeanResistor -144 192 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL Misc\\EuropeanResistor 48 -96 R0
SYMATTR InstName R3
SYMATTR Value 4.7K
SYMBOL TL431 256 144 M0
SYMATTR InstName U1
SYMBOL Optos\\PC817C 624 80 R0
SYMATTR InstName U2
SYMBOL Misc\\EuropeanResistor 368 32 R0
SYMATTR InstName R4
SYMATTR Value 4.7K
SYMBOL Misc\\EuropeanResistor -144 -144 R0
SYMATTR InstName R5
SYMATTR Value 820K
SYMBOL Misc\\EuropeanResistor -144 -256 R0
SYMATTR InstName R6
SYMATTR Value 680K
SYMBOL voltage -464 112 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value SINE(500 500 1)
SYMBOL Misc\\EuropeanResistor 832 64 R0
SYMATTR InstName R7
SYMATTR Value 10K
SYMBOL voltage 848 192 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 5
SYMBOL Misc\\EuropeanResistor -144 -368 R0
SYMATTR InstName R8
SYMATTR Value 820K
SYMBOL diode 368 -80 R0
SYMATTR InstName D1
SYMATTR Value gruen
TEXT 112 456 Left 2 !.tran 0.6
TEXT 112 408 Left 2 !.inc TL431_texas.cir
TEXT 56 -208 Left 2 !.model gruen D(Ron=100 Roff=1G Vfwd=1.7)
TEXT 576 184 Left 2 ;PC123
TEXT 504 16 Left 2 ;1
TEXT 504 112 Left 2 ;2
TEXT 736 112 Left 2 ;3
TEXT 736 16 Left 2 ;4
TEXT 728 -16 Left 2 ;HIGH bei >750VDC
TEXT 408 -48 Left 2 ;LED