Version 4 SHEET 1 1420 792 WIRE -992 -528 -1072 -528 WIRE -976 -528 -992 -528 WIRE 112 -528 -432 -528 WIRE 160 -528 112 -528 WIRE -1072 -480 -1072 -528 WIRE -240 -432 -304 -432 WIRE 64 -432 -240 -432 WIRE 160 -432 160 -528 WIRE -1264 -416 -1344 -416 WIRE -432 -416 -432 -528 WIRE -384 -416 -432 -416 WIRE -432 -400 -432 -416 WIRE -288 -400 -304 -400 WIRE -288 -384 -288 -400 WIRE -224 -384 -288 -384 WIRE -176 -384 -192 -384 WIRE -48 -368 -96 -368 WIRE 64 -368 64 -432 WIRE 64 -368 32 -368 WIRE -288 -352 -288 -384 WIRE -288 -352 -304 -352 WIRE -384 -336 -432 -336 WIRE -976 -320 -976 -528 WIRE -976 -320 -1024 -320 WIRE -704 -320 -976 -320 WIRE -240 -320 -240 -432 WIRE -240 -320 -304 -320 WIRE -1024 -288 -1024 -320 WIRE -976 -272 -976 -320 WIRE -960 -272 -976 -272 WIRE -1344 -256 -1344 -416 WIRE -192 -256 -192 -384 WIRE -192 -256 -368 -256 WIRE -1232 -208 -1296 -208 WIRE -1200 -208 -1200 -416 WIRE -1024 -208 -1200 -208 WIRE -960 -208 -1024 -208 WIRE -720 -208 -736 -208 WIRE -48 -208 -272 -208 WIRE 64 -208 64 -368 WIRE 64 -208 32 -208 WIRE -720 -176 -720 -208 WIRE -720 -176 -976 -176 WIRE -368 -176 -368 -256 WIRE -336 -176 -368 -176 WIRE -224 -160 -224 -384 WIRE -224 -160 -272 -160 WIRE -1232 -144 -1232 -208 WIRE -1104 -144 -1232 -144 WIRE -976 -144 -976 -176 WIRE -976 -144 -1104 -144 WIRE -960 -144 -976 -144 WIRE -656 -144 -736 -144 WIRE -432 -144 -432 -336 WIRE -960 -80 -1008 -80 WIRE -704 -80 -704 -320 WIRE -704 -80 -736 -80 WIRE -336 -80 -352 -80 WIRE -1328 -64 -1408 -64 WIRE -1184 -64 -1248 -64 WIRE -1008 -64 -1008 -80 WIRE -656 -64 -656 -144 WIRE -496 -64 -512 -64 WIRE -480 -64 -496 -64 WIRE -496 -48 -496 -64 WIRE -176 -32 -176 -352 WIRE -48 -32 -176 -32 WIRE 64 -32 64 -208 WIRE 64 -32 32 -32 WIRE -1408 0 -1408 -64 WIRE -704 48 -704 -80 WIRE -496 48 -496 32 WIRE -432 48 -432 -48 WIRE -432 48 -496 48 WIRE -432 96 -432 48 WIRE -1344 128 -1344 -176 WIRE -1280 128 -1344 128 WIRE -1200 128 -1200 -208 WIRE -1200 128 -1216 128 WIRE -1184 192 -1184 -64 WIRE -352 192 -352 -80 WIRE -352 192 -1184 192 FLAG -1104 -80 0 FLAG -1072 -400 0 FLAG -704 112 0 FLAG -432 96 0 FLAG -1008 0 0 FLAG -736 -272 0 FLAG -992 -528 12.6v FLAG -336 -112 12.6v FLAG -1408 0 0 FLAG 112 -528 180-Volts-input FLAG 160 -352 0 SYMBOL res -1008 -304 M0 WINDOW 0 670 117 Invisible 2 WINDOW 3 34 49 Left 2 SYMATTR InstName R1 SYMATTR Value 1k SYMBOL cap -1088 -144 M0 WINDOW 0 692 -58 Invisible 2 WINDOW 3 38 48 Left 2 SYMATTR InstName C1 SYMATTR Value 3n SYMBOL Misc\\battery -1072 -496 M0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 0 24 16 Invisible 2 SYMATTR InstName V1 SYMATTR Value 12.6 SYMBOL polcap -688 48 M0 WINDOW 0 24 8 Invisible 2 WINDOW 3 24 56 Left 2 SYMATTR InstName C2 SYMATTR Value 1000µ SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=16 Irms=1.41 Rser=0.047 Lser=0 mfg="Nichicon" pn="UPL1C102MPH" type="Al electrolytic" SYMBOL res -560 -80 R90 WINDOW 0 0 56 Invisible 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R9 SYMATTR Value 10 SYMBOL FerriteBead -544 -64 R90 WINDOW 0 -16 0 VBottom 2 SYMATTR InstName L1 SYMATTR Value 1µ SYMBOL Misc\\NE555 -848 -176 M0 SYMATTR InstName U1 SYMBOL diode -1200 -432 R90 WINDOW 0 0 32 Invisible 2 WINDOW 3 -35 33 VTop 2 SYMATTR InstName D1 SYMATTR Value 1N914 SYMBOL diode -1280 144 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D2 SYMATTR Value 1N914 SYMBOL cap -992 -64 M0 WINDOW 0 692 -58 Invisible 2 WINDOW 3 38 48 Left 2 SYMATTR InstName C3 SYMATTR Value 10n SYMBOL diode -416 -336 R180 WINDOW 0 24 64 Invisible 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D3 SYMATTR Value MUR460 SYMBOL res -512 -64 R0 WINDOW 0 36 40 Invisible 2 SYMATTR InstName R7 SYMATTR Value 10K SYMBOL ind 48 -384 R90 WINDOW 0 5 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName L2 SYMATTR Value 50m SYMATTR SpiceLine Rser=42 SYMBOL Pot&Sw\\spst -1296 -64 M0 SYMATTR InstName Pot-Switch SYMBOL Pot&Sw\\pot -1360 -272 R0 SYMATTR InstName U2 SYMATTR Value Rt=10K set=.75 SYMBOL nmos -480 -144 R0 WINDOW 0 -40 -38 Left 2 WINDOW 3 -84 -12 Left 2 SYMATTR InstName M1 SYMATTR Value IXFX90N30 SYMBOL Pot&Sw\\dpdt -336 -336 R90 WINDOW 0 37 -90 VRight 2 WINDOW 3 61 -14 VRight 2 SYMATTR InstName Forward-Reverse SYMBOL res 48 -224 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 60 56 VBottom 2 SYMATTR InstName BRAKE-1 SYMATTR Value 50 SYMBOL res 48 -48 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName BRAKE-2 SYMATTR Value 25 SYMBOL Pot&Sw\\spdt -144 -368 R180 WINDOW 0 -42 66 Left 2 SYMATTR InstName E-STOP SYMBOL voltage 160 -448 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value 180 SYMBOL rly_spdt0 -304 -160 R0 WINDOW 38 24 134 Center 2 SYMATTR InstName U4 TEXT -168 104 Right 2 !.tran 0 50m 0 TEXT -48 -272 Left 2 ;MOTOR TEXT -144 16 Left 1 ;Lower resistance for faster braking, \n Disconnects motor from supply TEXT -1360 -576 Left 1 ;Speed control pot has N.O. switch that turns \non relay and supplies power to motor\nstarting at low speed. When turned to min, \nRelay drops out and ties armature to braking\nresistor. TEXT -872 -504 Left 2 ;4 control switches\nOn - Off\nSpeed Pot with brake\nE-Stop\nForward - Reverse TEXT -320 152 Left 2 !.include relay.lib TEXT 80 -296 Left 2 ;E-Stop and Brake relay\nare set up so E=Stop \nalways works and brake\nrelay disconnect driver from\nmotor and applies braking \nrestistor. LINE Normal -1296 -80 -1296 -208 4 CIRCLE Normal 48 -304 -64 -416 2