EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "CNC stepper driver Emergency Stop" Date "2020-01-04" Rev "1" Comp "Copyright (c) 2009-2020 Michael Buesch" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr Text Label 1150 3750 0 40 ~ 0 Charge pump signal from EMC2 Wire Wire Line 4300 3750 3400 3750 Connection ~ 9250 2050 Wire Wire Line 6700 3450 9250 3450 Wire Wire Line 9250 3450 9250 2050 Connection ~ 10100 2050 Wire Wire Line 10100 2200 10100 2050 Connection ~ 3800 3950 Wire Wire Line 1100 3850 3600 3850 Connection ~ 4200 4150 Wire Wire Line 6700 3550 9750 3550 Connection ~ 5600 2400 Wire Wire Line 5600 2300 5600 2400 Wire Wire Line 5800 2400 5800 2650 Wire Wire Line 7250 4600 7200 4600 Connection ~ 5500 6850 Connection ~ 6850 5400 Connection ~ 5700 6050 Wire Wire Line 5700 5850 5700 6050 Connection ~ 10000 3550 Connection ~ 10000 3750 Wire Wire Line 10000 3650 10250 3650 Connection ~ 10000 3950 Wire Wire Line 10000 3850 10250 3850 Wire Wire Line 10250 4050 10000 4050 Wire Wire Line 10000 3950 10250 3950 Wire Wire Line 10000 3750 10250 3750 Connection ~ 10000 3850 Wire Wire Line 10000 4050 10000 3950 Connection ~ 10000 3650 Wire Wire Line 10150 4900 9700 4900 Wire Wire Line 9700 4900 9700 6050 Wire Wire Line 9700 6050 5700 6050 Wire Wire Line 5300 6050 5300 5850 Wire Wire Line 5500 6050 5500 6150 Connection ~ 5500 6050 Connection ~ 6850 5050 Wire Wire Line 6100 7250 6100 7150 Connection ~ 6100 7150 Wire Wire Line 5500 6850 5500 7150 Wire Wire Line 8150 4600 8250 4600 Wire Wire Line 5400 2650 5400 2400 Wire Wire Line 5400 2400 5600 2400 Connection ~ 5800 2400 Connection ~ 9750 3550 Wire Wire Line 4300 4050 4000 4050 Wire Wire Line 4300 4150 4200 4150 Wire Wire Line 2200 4150 2200 5850 Wire Wire Line 4300 3950 3800 3950 Connection ~ 4000 4050 Connection ~ 3600 3850 Wire Wire Line 9250 1650 9800 1650 Wire Wire Line 10450 1300 10350 1300 Wire Wire Line 10350 1300 10350 1550 Wire Wire Line 10350 1550 10450 1550 Connection ~ 3400 3750 $Comp L power:+5V #PWR02 U 1 1 4A6B03B5 P 3400 4850 F 0 "#PWR02" H 3400 4940 20 0001 C CNN F 1 "+5V" H 3400 5000 30 0000 C CNN F 2 "" H 3400 4850 50 0001 C CNN F 3 "" H 3400 4850 50 0001 C CNN 1 3400 4850 -1 0 0 1 $EndComp $Comp L Device:R R1 U 1 1 4A6B0397 P 3400 4500 F 0 "R1" V 3480 4500 50 0000 C CNN F 1 "1k" V 3400 4500 50 0000 C CNN F 2 "" H 3400 4500 50 0001 C CNN F 3 "" H 3400 4500 50 0001 C CNN 1 3400 4500 1 0 0 -1 $EndComp $Comp L Connector:Conn_01x04_Female P1 U 1 1 4A6B0361 P 900 3950 F 0 "P1" V 950 3900 50 0000 C CNN F 1 "EMC2" V 1050 3900 50 0000 C CNN F 2 "" H 900 3950 50 0001 C CNN F 3 "" H 900 3950 50 0001 C CNN 1 900 3950 -1 0 0 1 $EndComp $Comp L Device:R R9 U 1 1 4A5E4F50 P 9600 2050 F 0 "R9" V 9680 2050 50 0000 C CNN F 1 "4.7k" V 9600 2050 50 0000 C CNN F 2 "" H 9600 2050 50 0001 C CNN F 3 "" H 9600 2050 50 0001 C CNN 1 9600 2050 0 1 1 0 $EndComp $Comp L Transistor_FET:IRF540N Q2 U 1 1 4A5E4F23 P 10000 1650 F 0 "Q2" H 9900 1850 60 0000 C CNN F 1 "IRF530" H 9800 1500 60 0000 C CNN F 2 "" H 10000 1650 50 0001 C CNN F 3 "" H 10000 1650 50 0001 C CNN 1 10000 1650 1 0 0 -1 $EndComp $Comp L power:GND #PWR017 U 1 1 4A5E4DB2 P 10100 2200 F 0 "#PWR017" H 10100 2200 30 0001 C CNN F 1 "GND" H 10100 2130 30 0001 C CNN F 2 "" H 10100 2200 50 0001 C CNN F 3 "" H 10100 2200 50 0001 C CNN 1 10100 2200 1 0 0 -1 $EndComp $Comp L power:+12V #PWR019 U 1 1 4A5E4D7A P 10450 1550 F 0 "#PWR019" H 10450 1500 20 0001 C CNN F 1 "+12V" H 10450 1700 30 0000 C CNN F 2 "" H 10450 1550 50 0001 C CNN F 3 "" H 10450 1550 50 0001 C CNN 1 10450 1550 0 1 1 0 $EndComp Text Notes 11000 1600 1 40 ~ 0 To Master Spindle relais $Comp L Connector:Conn_01x02_Female P4 U 1 1 4A5E4D52 P 10650 1200 F 0 "P4" V 10700 1150 40 0000 C CNN F 1 "SPINDLE" V 10800 1150 40 0000 C CNN F 2 "" H 10650 1200 50 0001 C CNN F 3 "" H 10650 1200 50 0001 C CNN 1 10650 1200 1 0 0 -1 $EndComp Text Label 1150 3850 0 40 ~ 0 Master Spindle ON from EMC2 (inverted logic) Text Label 1150 3950 0 40 ~ 0 E-STOP from EMC2 Text Label 1150 4050 0 40 ~ 0 E-STOP to EMC2 $Comp L power:+5V #PWR04 U 1 1 4A5E4C9A P 3800 4850 F 0 "#PWR04" H 3800 4940 20 0001 C CNN F 1 "+5V" H 3800 5000 30 0000 C CNN F 2 "" H 3800 4850 50 0001 C CNN F 3 "" H 3800 4850 50 0001 C CNN 1 3800 4850 -1 0 0 1 $EndComp $Comp L power:+5V #PWR03 U 1 1 4A5E4C96 P 3600 4850 F 0 "#PWR03" H 3600 4940 20 0001 C CNN F 1 "+5V" H 3600 5000 30 0000 C CNN F 2 "" H 3600 4850 50 0001 C CNN F 3 "" H 3600 4850 50 0001 C CNN 1 3600 4850 -1 0 0 1 $EndComp $Comp L Device:R R2 U 1 1 4A5E4C82 P 3600 4500 F 0 "R2" V 3680 4500 50 0000 C CNN F 1 "1k" V 3600 4500 50 0000 C CNN F 2 "" H 3600 4500 50 0001 C CNN F 3 "" H 3600 4500 50 0001 C CNN 1 3600 4500 1 0 0 -1 $EndComp $Comp L Device:R R3 U 1 1 4A5E4C7E P 3800 4500 F 0 "R3" V 3880 4500 50 0000 C CNN F 1 "1k" V 3800 4500 50 0000 C CNN F 2 "" H 3800 4500 50 0001 C CNN F 3 "" H 3800 4500 50 0001 C CNN 1 3800 4500 1 0 0 -1 $EndComp Text Notes 1150 5750 0 40 ~ 0 STOP Text Notes 1150 5950 0 40 ~ 0 RUN Text Notes 750 6250 1 40 ~ 0 User E-STOP pushbutton $Comp L power:+5V #PWR06 U 1 1 4A5E4854 P 4200 4850 F 0 "#PWR06" H 4200 4940 20 0001 C CNN F 1 "+5V" H 4200 5000 30 0000 C CNN F 2 "" H 4200 4850 50 0001 C CNN F 3 "" H 4200 4850 50 0001 C CNN 1 4200 4850 -1 0 0 1 $EndComp $Comp L Device:R R5 U 1 1 4A5E4842 P 4200 4500 F 0 "R5" V 4280 4500 50 0000 C CNN F 1 "1k" V 4200 4500 50 0000 C CNN F 2 "" H 4200 4500 50 0001 C CNN F 3 "" H 4200 4500 50 0001 C CNN 1 4200 4500 1 0 0 -1 $EndComp $Comp L power:GND #PWR01 U 1 1 4A5E481B P 1000 5950 F 0 "#PWR01" H 1000 5950 30 0001 C CNN F 1 "GND" H 1000 5880 30 0001 C CNN F 2 "" H 1000 5950 50 0001 C CNN F 3 "" H 1000 5950 50 0001 C CNN 1 1000 5950 0 1 1 0 $EndComp NoConn ~ 1400 5750 $Comp L Switch:SW_SPDT SW1 U 1 1 4A5E47EF P 1600 5850 F 0 "SW1" H 1400 6000 50 0000 C CNN F 1 "E-STOP switch" H 1600 6150 50 0000 C CNN F 2 "" H 1600 5850 50 0001 C CNN F 3 "" H 1600 5850 50 0001 C CNN 1 1600 5850 -1 0 0 1 $EndComp NoConn ~ 4300 3650 NoConn ~ 4300 3550 NoConn ~ 4300 3450 $Comp L power:+5V #PWR05 U 1 1 4A5E4744 P 4000 4850 F 0 "#PWR05" H 4000 4940 20 0001 C CNN F 1 "+5V" H 4000 5000 30 0000 C CNN F 2 "" H 4000 4850 50 0001 C CNN F 3 "" H 4000 4850 50 0001 C CNN 1 4000 4850 -1 0 0 1 $EndComp $Comp L Device:R R4 U 1 1 4A5E4735 P 4000 4500 F 0 "R4" V 4080 4500 50 0000 C CNN F 1 "1k" V 4000 4500 50 0000 C CNN F 2 "" H 4000 4500 50 0001 C CNN F 3 "" H 4000 4500 50 0001 C CNN 1 4000 4500 1 0 0 -1 $EndComp Text Notes 650 4700 1 40 ~ 0 E-STOP and spindle control signal to/from EMC2 via parport Text Notes 11000 5050 1 40 ~ 0 Pulling pin10 of the LMD18245 high will short the motors. $Comp L power:+5V #PWR016 U 1 1 4A5E4391 P 9750 4250 F 0 "#PWR016" H 9750 4340 20 0001 C CNN F 1 "+5V" H 9750 4400 30 0000 C CNN F 2 "" H 9750 4250 50 0001 C CNN F 3 "" H 9750 4250 50 0001 C CNN 1 9750 4250 -1 0 0 1 $EndComp $Comp L Device:R R10 U 1 1 4A5E4382 P 9750 3950 F 0 "R10" V 9830 3950 50 0000 C CNN F 1 "1k" V 9750 3950 50 0000 C CNN F 2 "" H 9750 3950 50 0001 C CNN F 3 "" H 9750 3950 50 0001 C CNN 1 9750 3950 1 0 0 -1 $EndComp NoConn ~ 6700 3650 NoConn ~ 6700 4950 NoConn ~ 6700 4850 NoConn ~ 6700 4750 NoConn ~ 6700 4650 NoConn ~ 6700 4550 NoConn ~ 6700 4450 NoConn ~ 5200 2650 $Comp L power:+5V #PWR09 U 1 1 4A5E40E2 P 5600 2300 F 0 "#PWR09" H 5600 2390 20 0001 C CNN F 1 "+5V" H 5600 2450 30 0000 C CNN F 2 "" H 5600 2300 50 0001 C CNN F 3 "" H 5600 2300 50 0001 C CNN 1 5600 2300 1 0 0 -1 $EndComp $Comp L power:GND #PWR010 U 1 1 4A5E40D5 P 6550 2400 F 0 "#PWR010" H 6550 2400 30 0001 C CNN F 1 "GND" H 6550 2330 30 0001 C CNN F 2 "" H 6550 2400 50 0001 C CNN F 3 "" H 6550 2400 50 0001 C CNN 1 6550 2400 0 -1 -1 0 $EndComp $Comp L Device:CP C2 U 1 1 4A5E40BB P 6250 2400 F 0 "C2" H 6350 2500 50 0000 C CNN F 1 "10u" H 6350 2300 50 0000 C CNN F 2 "" H 6250 2400 50 0001 C CNN F 3 "" H 6250 2400 50 0001 C CNN 1 6250 2400 0 -1 -1 0 $EndComp $Comp L power:GND #PWR015 U 1 1 4A5E404C P 8250 4600 F 0 "#PWR015" H 8250 4600 30 0001 C CNN F 1 "GND" H 8250 4530 30 0001 C CNN F 2 "" H 8250 4600 50 0001 C CNN F 3 "" H 8250 4600 50 0001 C CNN 1 8250 4600 0 -1 -1 0 $EndComp $Comp L power:+5V #PWR014 U 1 1 4A5E4048 P 7200 4600 F 0 "#PWR014" H 7200 4690 20 0001 C CNN F 1 "+5V" H 7200 4750 30 0000 C CNN F 2 "" H 7200 4600 50 0001 C CNN F 3 "" H 7200 4600 50 0001 C CNN 1 7200 4600 0 -1 -1 0 $EndComp NoConn ~ 6700 4150 NoConn ~ 6700 4050 $Comp L Connector:AVR-ISP-6 P2 U 1 1 4A5E3FFD P 7750 4500 F 0 "P2" H 7750 4750 50 0000 C CNN F 1 "ISP" V 7750 4550 40 0000 C CNN F 2 "" H 7750 4500 50 0001 C CNN F 3 "" H 7750 4500 50 0001 C CNN 1 7750 4500 0 -1 -1 0 $EndComp Text Notes 4650 7300 0 60 ~ 0 Reset delay $Comp L power:+5V #PWR07 U 1 1 4A5E3FA1 P 4200 6850 F 0 "#PWR07" H 4200 6940 20 0001 C CNN F 1 "+5V" H 4200 7000 30 0000 C CNN F 2 "" H 4200 6850 50 0001 C CNN F 3 "" H 4200 6850 50 0001 C CNN 1 4200 6850 0 -1 -1 0 $EndComp $Comp L Device:CP C1 U 1 1 4A5E3F95 P 4500 6850 F 0 "C1" H 4600 6950 50 0000 C CNN F 1 "100u" H 4650 6750 50 0000 C CNN F 2 "" H 4500 6850 50 0001 C CNN F 3 "" H 4500 6850 50 0001 C CNN 1 4500 6850 0 -1 -1 0 $EndComp $Comp L Device:R R6 U 1 1 4A5E3F7A P 5000 6850 F 0 "R6" V 5080 6850 50 0000 C CNN F 1 "4.7k" V 5000 6850 50 0000 C CNN F 2 "" H 5000 6850 50 0001 C CNN F 3 "" H 5000 6850 50 0001 C CNN 1 5000 6850 0 1 1 0 $EndComp $Comp L power:GND #PWR011 U 1 1 4A5E3F3E P 6100 7250 F 0 "#PWR011" H 6100 7250 30 0001 C CNN F 1 "GND" H 6100 7180 30 0001 C CNN F 2 "" H 6100 7250 50 0001 C CNN F 3 "" H 6100 7250 50 0001 C CNN 1 6100 7250 1 0 0 -1 $EndComp $Comp L Device:R R7 U 1 1 4A5E3F29 P 5750 7150 F 0 "R7" V 5830 7150 50 0000 C CNN F 1 "47k" V 5750 7150 50 0000 C CNN F 2 "" H 5750 7150 50 0001 C CNN F 3 "" H 5750 7150 50 0001 C CNN 1 5750 7150 0 1 1 0 $EndComp $Comp L power:GND #PWR013 U 1 1 4A5E3EF8 P 7650 5400 F 0 "#PWR013" H 7650 5400 30 0001 C CNN F 1 "GND" H 7650 5330 30 0001 C CNN F 2 "" H 7650 5400 50 0001 C CNN F 3 "" H 7650 5400 50 0001 C CNN 1 7650 5400 0 -1 -1 0 $EndComp $Comp L power:+5V #PWR012 U 1 1 4A5E3EF3 P 7600 5050 F 0 "#PWR012" H 7600 5140 20 0001 C CNN F 1 "+5V" H 7600 5200 30 0000 C CNN F 2 "" H 7600 5050 50 0001 C CNN F 3 "" H 7600 5050 50 0001 C CNN 1 7600 5050 0 1 1 0 $EndComp $Comp L Device:C C3 U 1 1 4A5E3EEA P 7200 5400 F 0 "C3" H 7300 5500 50 0000 C CNN F 1 "47p" H 7300 5300 50 0000 C CNN F 2 "" H 7200 5400 50 0001 C CNN F 3 "" H 7200 5400 50 0001 C CNN 1 7200 5400 0 1 1 0 $EndComp $Comp L Device:R R8 U 1 1 4A5E3EE3 P 7250 5050 F 0 "R8" V 7330 5050 50 0000 C CNN F 1 "1k" V 7250 5050 50 0000 C CNN F 2 "" H 7250 5050 50 0001 C CNN F 3 "" H 7250 5050 50 0001 C CNN 1 7250 5050 0 1 1 0 $EndComp $Comp L power:GND #PWR08 U 1 1 4A5E3EB3 P 5500 6150 F 0 "#PWR08" H 5500 6150 30 0001 C CNN F 1 "GND" H 5500 6080 30 0001 C CNN F 2 "" H 5500 6150 50 0001 C CNN F 3 "" H 5500 6150 50 0001 C CNN 1 5500 6150 1 0 0 -1 $EndComp Text Notes 10450 5150 1 60 ~ 0 LMD18245\nboard GND $Comp L power:GND #PWR018 U 1 1 4A5E3E4D P 10150 4900 F 0 "#PWR018" H 10150 4900 30 0001 C CNN F 1 "GND" H 10150 4830 30 0001 C CNN F 2 "" H 10150 4900 50 0001 C CNN F 3 "" H 10150 4900 50 0001 C CNN 1 10150 4900 0 -1 -1 0 $EndComp Text Notes 10900 5050 1 40 ~ 0 To pin10 of each LMD18245 on each axis (3 axis, 2 LMDs each = 6 pins) $Comp L Connector:Conn_01x06_Female P3 U 1 1 4A5E3CF8 P 10450 3750 F 0 "P3" V 10550 3700 60 0000 C CNN F 1 "XYZ BRAKE PIN10" V 10650 3700 60 0000 C CNN F 2 "" H 10450 3750 50 0001 C CNN F 3 "" H 10450 3750 50 0001 C CNN 1 10450 3750 1 0 0 -1 $EndComp $Comp L atmega8x:ATMEGA8-16PI I1 U 1 1 4A5E3CD8 P 5500 4200 F 0 "I1" H 6200 5600 60 0000 C CNN F 1 "ATMEGA8-16PI" H 6150 2750 60 0000 C CNN F 2 "" H 5500 4200 50 0001 C CNN F 3 "" H 5500 4200 50 0001 C CNN 1 5500 4200 1 0 0 -1 $EndComp Wire Wire Line 9250 2050 9250 1650 Wire Wire Line 10100 2050 10100 1850 Wire Wire Line 3800 3950 1100 3950 Wire Wire Line 4200 4150 2200 4150 Wire Wire Line 5600 2400 5800 2400 Wire Wire Line 5500 6850 5800 6850 Wire Wire Line 6850 5400 6850 5050 Wire Wire Line 5700 6050 5500 6050 Wire Wire Line 10000 3550 10250 3550 Wire Wire Line 10000 3750 10000 3650 Wire Wire Line 10000 3950 10000 3850 Wire Wire Line 10000 3850 10000 3750 Wire Wire Line 10000 3650 10000 3550 Wire Wire Line 5500 6050 5300 6050 Wire Wire Line 6850 5050 6700 5050 Wire Wire Line 6100 7150 6100 7050 Wire Wire Line 9750 3550 10000 3550 Wire Wire Line 4000 4050 1100 4050 Wire Wire Line 3600 3850 4300 3850 Wire Wire Line 3400 3750 1100 3750 Wire Wire Line 9750 3550 9750 3800 Wire Wire Line 9750 4100 9750 4250 Wire Wire Line 3400 3750 3400 4350 Wire Wire Line 3600 3850 3600 4350 Wire Wire Line 3800 3950 3800 4350 Wire Wire Line 4000 4050 4000 4350 Wire Wire Line 4200 4150 4200 4350 Wire Wire Line 4200 4650 4200 4850 Wire Wire Line 4000 4650 4000 4850 Wire Wire Line 3800 4650 3800 4850 Wire Wire Line 3600 4650 3600 4850 Wire Wire Line 3400 4650 3400 4850 Wire Wire Line 5800 2400 6100 2400 Wire Wire Line 6400 2400 6550 2400 Wire Wire Line 10450 1200 10100 1200 Wire Wire Line 10100 1200 10100 1450 Wire Wire Line 9250 2050 9450 2050 Wire Wire Line 9750 2050 10100 2050 Wire Wire Line 6850 5050 7100 5050 Wire Wire Line 7400 5050 7600 5050 Wire Wire Line 6850 5400 7050 5400 Wire Wire Line 7350 5400 7650 5400 Wire Wire Line 6850 5750 8550 5750 Wire Wire Line 8550 5750 8550 4000 Wire Wire Line 8550 4000 7850 4000 Wire Wire Line 7850 4000 7850 4100 Wire Wire Line 6850 5750 6850 5400 Wire Wire Line 7750 3950 7750 4100 Wire Wire Line 6700 3950 7750 3950 Wire Wire Line 7550 3850 7550 4100 Wire Wire Line 6700 3850 7550 3850 Wire Wire Line 7650 4100 7650 3750 Wire Wire Line 6700 3750 7650 3750 Wire Wire Line 1000 5950 1400 5950 Wire Wire Line 1800 5850 2200 5850 Wire Wire Line 4200 6850 4350 6850 Wire Wire Line 4650 6850 4850 6850 Wire Wire Line 5150 6850 5500 6850 Wire Wire Line 5500 7150 5600 7150 Wire Wire Line 5900 7150 6100 7150 $Comp L Transistor_BJT:BC547 Q1 U 1 1 4A5E3F1D P 6000 6850 F 0 "Q1" H 6150 6850 50 0000 C CNN F 1 "BC547C" H 5902 7000 50 0000 C CNN F 2 "" H 6000 6850 50 0001 C CNN F 3 "" H 6000 6850 50 0001 C CNN 1 6000 6850 1 0 0 -1 $EndComp Wire Wire Line 6850 5750 6850 6250 Wire Wire Line 6850 6250 6100 6250 Wire Wire Line 6100 6250 6100 6650 Connection ~ 6850 5750 $Comp L Device:C C4 U 1 1 5E1E0CF0 P 6250 2050 F 0 "C4" V 5998 2050 50 0000 C CNN F 1 "100n" V 6089 2050 50 0000 C CNN F 2 "" H 6288 1900 50 0001 C CNN F 3 "~" H 6250 2050 50 0001 C CNN 1 6250 2050 0 1 1 0 $EndComp Wire Wire Line 6100 2050 5800 2050 Wire Wire Line 5800 2050 5800 2400 $Comp L power:GND #PWR020 U 1 1 5E1E4160 P 6550 2050 F 0 "#PWR020" H 6550 2050 30 0001 C CNN F 1 "GND" H 6550 1980 30 0001 C CNN F 2 "" H 6550 2050 50 0001 C CNN F 3 "" H 6550 2050 50 0001 C CNN 1 6550 2050 0 -1 -1 0 $EndComp Wire Wire Line 6400 2050 6550 2050 $EndSCHEMATC