EESchema Schematic File Version 2 LIBS:power LIBS:device LIBS:transistors LIBS:conn LIBS:linear LIBS:regul LIBS:74xx LIBS:cmos4000 LIBS:adc-dac LIBS:memory LIBS:xilinx LIBS:microcontrollers LIBS:dsp LIBS:microchip LIBS:analog_switches LIBS:motorola LIBS:texas LIBS:intel LIBS:audio LIBS:interface LIBS:digital-audio LIBS:philips LIBS:display LIBS:cypress LIBS:siliconi LIBS:opto LIBS:atmel LIBS:contrib LIBS:valves LIBS:tl431 LIBS:switches EELAYER 25 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 4 5 Title "Xytronic LF-1600" Date "" Rev "1.1" Comp "Michael Büsch " Comment1 "Reverse engineered" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L MOC3041M U5 U 1 1 5496ADF9 P 4700 2450 F 0 "U5" H 4490 2640 40 0000 C CNN F 1 "MOC3041" H 4790 2260 40 0000 C CNN F 2 "DIP6" H 4500 2270 30 0000 C CIN F 3 "~" H 4700 2450 60 0000 C CNN 1 4700 2450 1 0 0 -1 $EndComp $Comp L CONN_01X02 J2 U 1 1 5496B0E2 P 2450 3950 F 0 "J2" H 2450 4100 40 0000 C CNN F 1 "V_OUT" V 2550 3950 40 0000 C CNN F 2 "" H 2450 3950 60 0000 C CNN F 3 "" H 2450 3950 60 0000 C CNN 1 2450 3950 -1 0 0 1 $EndComp $Comp L R R24 U 1 1 5496B0E8 P 5800 4050 F 0 "R24" V 5880 4050 40 0000 C CNN F 1 "0.1" V 5807 4051 40 0000 C CNN F 2 "~" V 5730 4050 30 0000 C CNN F 3 "~" H 5800 4050 30 0000 C CNN 1 5800 4050 0 -1 -1 0 $EndComp Text GLabel 8100 4050 2 60 Input ~ 0 GND $Comp L D D7 U 1 1 5496B0F1 P 5300 4400 F 0 "D7" H 5300 4500 40 0000 C CNN F 1 "DIODE" H 5300 4300 40 0000 C CNN F 2 "~" H 5300 4400 60 0000 C CNN F 3 "~" H 5300 4400 60 0000 C CNN 1 5300 4400 0 -1 -1 0 $EndComp $Comp L C C13 U 1 1 5496B0F9 P 5300 5000 F 0 "C13" H 5300 5100 40 0000 L CNN F 1 "1 µF / 50 V / NP" H 5306 4915 40 0000 L CNN F 2 "~" H 5338 4850 30 0000 C CNN F 3 "~" H 5300 5000 60 0000 C CNN 1 5300 5000 1 0 0 -1 $EndComp Text GLabel 4200 2350 0 60 Input ~ 0 +5V $Comp L R R21 U 1 1 5496FF69 P 5200 1950 F 0 "R21" V 5280 1950 40 0000 C CNN F 1 "51" V 5207 1951 40 0000 C CNN F 2 "~" V 5130 1950 30 0000 C CNN F 3 "~" H 5200 1950 30 0000 C CNN 1 5200 1950 1 0 0 -1 $EndComp Text GLabel 5200 1500 1 60 Input ~ 0 24V Text GLabel 6250 1500 1 60 Input ~ 0 24V $Comp L C C6 U 1 1 54970334 P 7000 2950 F 0 "C6" H 7000 3050 40 0000 L CNN F 1 "0.1 µF / 100 V" H 7006 2865 40 0000 L CNN F 2 "~" H 7038 2800 30 0000 C CNN F 3 "~" H 7000 2950 60 0000 C CNN 1 7000 2950 -1 0 0 1 $EndComp $Comp L R R22 U 1 1 5497035D P 7000 2000 F 0 "R22" V 7080 2000 40 0000 C CNN F 1 "100" V 7007 2001 40 0000 C CNN F 2 "~" V 6930 2000 30 0000 C CNN F 3 "~" H 7000 2000 30 0000 C CNN 1 7000 2000 -1 0 0 1 $EndComp Text GLabel 7000 1500 1 60 Input ~ 0 24V $Comp L R R20 U 1 1 549491CE P 3700 2550 F 0 "R20" V 3780 2550 40 0000 C CNN F 1 "390" V 3707 2551 40 0000 C CNN F 2 "~" V 3630 2550 30 0000 C CNN F 3 "~" H 3700 2550 30 0000 C CNN 1 3700 2550 0 1 1 0 $EndComp Text HLabel 2600 2550 0 60 Input ~ 0 heater_on $Comp L R R25 U 1 1 5494E6B0 P 4950 5050 F 0 "R25" V 5030 5050 40 0000 C CNN F 1 "10 M" V 4957 5051 40 0000 C CNN F 2 "~" V 4880 5050 30 0000 C CNN F 3 "~" H 4950 5050 30 0000 C CNN 1 4950 5050 1 0 0 -1 $EndComp $Comp L R R26 U 1 1 5494E6BF P 6150 5050 F 0 "R26" V 6230 5050 40 0000 C CNN F 1 "10 k" V 6157 5051 40 0000 C CNN F 2 "~" V 6080 5050 30 0000 C CNN F 3 "~" H 6150 5050 30 0000 C CNN 1 6150 5050 1 0 0 -1 $EndComp $Comp L C C14 U 1 1 5494E6F2 P 6500 5700 F 0 "C14" H 6500 5800 40 0000 L CNN F 1 "100 nF" H 6506 5615 40 0000 L CNN F 2 "~" H 6538 5550 30 0000 C CNN F 3 "~" H 6500 5700 60 0000 C CNN 1 6500 5700 1 0 0 -1 $EndComp Text GLabel 6500 6000 3 60 Input ~ 0 GND Wire Wire Line 5950 4050 8100 4050 Wire Wire Line 2750 4050 5650 4050 Wire Wire Line 5300 4050 5300 4250 Connection ~ 5300 4050 Wire Wire Line 4200 2350 4400 2350 Wire Wire Line 5000 2550 6100 2550 Wire Wire Line 5200 2100 5200 2350 Wire Wire Line 5200 2350 5000 2350 Wire Wire Line 5200 1500 5200 1800 Wire Wire Line 6250 1500 6250 2300 Wire Wire Line 2750 3850 7000 3850 Wire Wire Line 6250 3850 6250 2600 Connection ~ 6250 3850 Wire Wire Line 7000 2150 7000 2800 Wire Wire Line 7000 1500 7000 1850 Wire Wire Line 3850 2550 4400 2550 Wire Wire Line 2600 2550 3550 2550 Wire Wire Line 6500 5850 6500 6000 Wire Wire Line 6150 5200 6150 5500 Wire Wire Line 6150 4700 6150 4900 $Comp L R R27 U 1 1 5494E9CA P 6150 5650 F 0 "R27" V 6230 5650 40 0000 C CNN F 1 "100 k" V 6157 5651 40 0000 C CNN F 2 "~" V 6080 5650 30 0000 C CNN F 3 "~" H 6150 5650 30 0000 C CNN 1 6150 5650 1 0 0 -1 $EndComp $Comp L R R28 U 1 1 5494E9D9 P 7050 5350 F 0 "R28" V 7130 5350 40 0000 C CNN F 1 "10 k" V 7057 5351 40 0000 C CNN F 2 "~" V 6980 5350 30 0000 C CNN F 3 "~" H 7050 5350 30 0000 C CNN 1 7050 5350 0 -1 -1 0 $EndComp Wire Wire Line 6150 5350 6900 5350 Connection ~ 6150 5350 Text GLabel 6150 6000 3 60 Input ~ 0 GND Wire Wire Line 6150 5800 6150 6000 Text GLabel 4950 5400 3 60 Input ~ 0 GND Wire Wire Line 4950 5200 4950 5400 Text GLabel 5300 5400 3 60 Input ~ 0 GND Wire Wire Line 5300 5150 5300 5400 Wire Wire Line 5300 4550 5300 4850 Wire Wire Line 4950 4700 6150 4700 Connection ~ 5300 4700 Wire Wire Line 6500 5350 6500 5550 Connection ~ 6500 5350 Text Notes 5700 4200 0 60 ~ 0 shunt Text HLabel 8450 5350 2 60 Input ~ 0 current_measure Wire Wire Line 7200 5350 8450 5350 Wire Wire Line 4950 4700 4950 4900 Text Notes 1050 4050 0 60 ~ 0 Heater element\nR = 3.5 Ohms @ 20 °C Wire Wire Line 7000 3850 7000 3100 Text Notes 6800 5100 0 39 ~ 0 Fix:\nThe input to the ADC needs to be of low impedance\nto help charging the ADC capacitor quickly.\nSo R28 should be removed (bridged). Wire Wire Line 6750 5350 6750 5150 Wire Wire Line 6750 5150 7350 5150 Wire Wire Line 7350 5150 7350 5350 Connection ~ 7350 5350 Connection ~ 6750 5350 Wire Wire Line 2650 3900 2750 3900 Wire Wire Line 2750 3900 2750 3850 Wire Wire Line 2650 4000 2750 4000 Wire Wire Line 2750 4000 2750 4050 Text Notes 6900 5450 0 157 ~ 0 XX $Comp L Q_TRIAC_AAG D? U 1 1 58C703A8 P 6250 2450 F 0 "D?" H 6375 2475 50 0000 L CNN F 1 "BTA12-600C" H 6375 2400 50 0000 L CNN F 2 "" V 6325 2475 50 0000 C CNN F 3 "" V 6250 2450 50 0000 C CNN 1 6250 2450 1 0 0 -1 $EndComp $EndSCHEMATC