EESchema Schematic File Version 4
LIBS:potentiostat-cache
EELAYER 29 0
EELAYER END
$Descr USLetter 11000 8500
encoding utf-8
Sheet 4 4
Title "TRIPPLE POTENTIOSTAT"
Date "2019-07-02"
Rev "1.0.0"
Comp "UW-Madison"
Comment1 "Department of Chemistry"
Comment2 "Blaise J Thompson"
Comment3 "bthompson@chem.wisc.edu"
Comment4 ""
$EndDescr
NoConn ~ 3200 5750
NoConn ~ 3200 6250
Text Notes 5350 6200 0    50   ~ 0
1 - COUNTER\n2 - REFERENCE\n3 - WORKING
Wire Wire Line
	3500 6000 3750 6000
Wire Wire Line
	5000 6100 4000 6100
Wire Wire Line
	2750 6050 2800 6050
Wire Wire Line
	5000 6200 4950 6200
Wire Wire Line
	4950 6200 4950 6250
$Comp
L power:GND #PWR?
U 1 1 5D1E3370
P 4950 6250
AR Path="/5D1E3370" Ref="#PWR?"  Part="1" 
AR Path="/5D1CDA14/5D1E3370" Ref="#PWR016"  Part="1" 
AR Path="/5D200F6F/5D1E3370" Ref="#PWR033"  Part="1" 
AR Path="/5D202779/5D1E3370" Ref="#PWR050"  Part="1" 
F 0 "#PWR050" H 4950 6000 50  0001 C CNN
F 1 "GND" H 4955 6077 50  0000 C CNN
F 2 "" H 4950 6250 50  0001 C CNN
F 3 "" H 4950 6250 50  0001 C CNN
	1    4950 6250
	1    0    0    -1  
$EndComp
Connection ~ 3750 6000
Wire Wire Line
	3750 6000 5000 6000
$Comp
L power:-15V #PWR?
U 1 1 5D1E3385
P 3050 6350
AR Path="/5D1E3385" Ref="#PWR?"  Part="1" 
AR Path="/5D1CDA14/5D1E3385" Ref="#PWR07"  Part="1" 
AR Path="/5D200F6F/5D1E3385" Ref="#PWR024"  Part="1" 
AR Path="/5D202779/5D1E3385" Ref="#PWR041"  Part="1" 
F 0 "#PWR041" H 3050 6450 50  0001 C CNN
F 1 "-15V" H 3065 6523 50  0000 C CNN
F 2 "" H 3050 6350 50  0001 C CNN
F 3 "" H 3050 6350 50  0001 C CNN
	1    3050 6350
	-1   0    0    1   
$EndComp
$Comp
L power:+15V #PWR?
U 1 1 5D1E338B
P 3050 5650
AR Path="/5D1E338B" Ref="#PWR?"  Part="1" 
AR Path="/5D1CDA14/5D1E338B" Ref="#PWR06"  Part="1" 
AR Path="/5D200F6F/5D1E338B" Ref="#PWR023"  Part="1" 
AR Path="/5D202779/5D1E338B" Ref="#PWR040"  Part="1" 
F 0 "#PWR040" H 3050 5500 50  0001 C CNN
F 1 "+15V" H 3065 5823 50  0000 C CNN
F 2 "" H 3050 5650 50  0001 C CNN
F 3 "" H 3050 5650 50  0001 C CNN
	1    3050 5650
	1    0    0    -1  
$EndComp
Wire Wire Line
	2750 6050 2750 6600
Wire Wire Line
	2750 6600 4000 6600
Wire Wire Line
	4000 6600 4000 6100
$Comp
L power:-15V #PWR?
U 1 1 5D1E3394
P 4200 4400
AR Path="/5D1E3394" Ref="#PWR?"  Part="1" 
AR Path="/5D1CDA14/5D1E3394" Ref="#PWR013"  Part="1" 
AR Path="/5D200F6F/5D1E3394" Ref="#PWR030"  Part="1" 
AR Path="/5D202779/5D1E3394" Ref="#PWR047"  Part="1" 
F 0 "#PWR047" H 4200 4500 50  0001 C CNN
F 1 "-15V" H 4350 4450 50  0000 C CNN
F 2 "" H 4200 4400 50  0001 C CNN
F 3 "" H 4200 4400 50  0001 C CNN
	1    4200 4400
	-1   0    0    1   
$EndComp
$Comp
L power:+15V #PWR?
U 1 1 5D1E339A
P 4200 3800
AR Path="/5D1E339A" Ref="#PWR?"  Part="1" 
AR Path="/5D1CDA14/5D1E339A" Ref="#PWR012"  Part="1" 
AR Path="/5D200F6F/5D1E339A" Ref="#PWR029"  Part="1" 
AR Path="/5D202779/5D1E339A" Ref="#PWR046"  Part="1" 
F 0 "#PWR046" H 4200 3650 50  0001 C CNN
F 1 "+15V" H 4215 3973 50  0000 C CNN
F 2 "" H 4200 3800 50  0001 C CNN
F 3 "" H 4200 3800 50  0001 C CNN
	1    4200 3800
	1    0    0    -1  
$EndComp
Wire Wire Line
	3750 2500 4000 2500
$Comp
L power:-15V #PWR?
U 1 1 5D1E33A1
P 4200 2900
AR Path="/5D1E33A1" Ref="#PWR?"  Part="1" 
AR Path="/5D1CDA14/5D1E33A1" Ref="#PWR011"  Part="1" 
AR Path="/5D200F6F/5D1E33A1" Ref="#PWR028"  Part="1" 
AR Path="/5D202779/5D1E33A1" Ref="#PWR045"  Part="1" 
F 0 "#PWR045" H 4200 3000 50  0001 C CNN
F 1 "-15V" H 4350 2950 50  0000 C CNN
F 2 "" H 4200 2900 50  0001 C CNN
F 3 "" H 4200 2900 50  0001 C CNN
	1    4200 2900
	-1   0    0    1   
$EndComp
$Comp
L power:+15V #PWR?
U 1 1 5D1E33A7
P 4200 2300
AR Path="/5D1E33A7" Ref="#PWR?"  Part="1" 
AR Path="/5D1CDA14/5D1E33A7" Ref="#PWR010"  Part="1" 
AR Path="/5D200F6F/5D1E33A7" Ref="#PWR027"  Part="1" 
AR Path="/5D202779/5D1E33A7" Ref="#PWR044"  Part="1" 
F 0 "#PWR044" H 4200 2150 50  0001 C CNN
F 1 "+15V" H 4215 2473 50  0000 C CNN
F 2 "" H 4200 2300 50  0001 C CNN
F 3 "" H 4200 2300 50  0001 C CNN
	1    4200 2300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5D1E33AD
P 4300 4400
AR Path="/5D1E33AD" Ref="#PWR?"  Part="1" 
AR Path="/5D1CDA14/5D1E33AD" Ref="#PWR015"  Part="1" 
AR Path="/5D200F6F/5D1E33AD" Ref="#PWR032"  Part="1" 
AR Path="/5D202779/5D1E33AD" Ref="#PWR049"  Part="1" 
F 0 "#PWR049" H 4300 4150 50  0001 C CNN
F 1 "GND" H 4450 4350 50  0000 C CNN
F 2 "" H 4300 4400 50  0001 C CNN
F 3 "" H 4300 4400 50  0001 C CNN
	1    4300 4400
	1    0    0    -1  
$EndComp
Wire Wire Line
	4600 4100 5000 4100
NoConn ~ 4300 3800
NoConn ~ 4400 3800
NoConn ~ 4300 2300
NoConn ~ 4400 2300
$Comp
L power:GND #PWR?
U 1 1 5D1E33C4
P 4300 2900
AR Path="/5D1E33C4" Ref="#PWR?"  Part="1" 
AR Path="/5D1CDA14/5D1E33C4" Ref="#PWR014"  Part="1" 
AR Path="/5D200F6F/5D1E33C4" Ref="#PWR031"  Part="1" 
AR Path="/5D202779/5D1E33C4" Ref="#PWR048"  Part="1" 
F 0 "#PWR048" H 4300 2650 50  0001 C CNN
F 1 "GND" H 4450 2850 50  0000 C CNN
F 2 "" H 4300 2900 50  0001 C CNN
F 3 "" H 4300 2900 50  0001 C CNN
	1    4300 2900
	1    0    0    -1  
$EndComp
$Comp
L power:+15V #PWR?
U 1 1 5D1E33CA
P 5000 3800
AR Path="/5D1E33CA" Ref="#PWR?"  Part="1" 
AR Path="/5D1CDA14/5D1E33CA" Ref="#PWR018"  Part="1" 
AR Path="/5D200F6F/5D1E33CA" Ref="#PWR035"  Part="1" 
AR Path="/5D202779/5D1E33CA" Ref="#PWR052"  Part="1" 
F 0 "#PWR052" H 5000 3650 50  0001 C CNN
F 1 "+15V" H 5015 3973 50  0000 C CNN
F 2 "" H 5000 3800 50  0001 C CNN
F 3 "" H 5000 3800 50  0001 C CNN
	1    5000 3800
	1    0    0    -1  
$EndComp
$Comp
L power:+15V #PWR?
U 1 1 5D1E33D0
P 5000 2300
AR Path="/5D1E33D0" Ref="#PWR?"  Part="1" 
AR Path="/5D1CDA14/5D1E33D0" Ref="#PWR017"  Part="1" 
AR Path="/5D200F6F/5D1E33D0" Ref="#PWR034"  Part="1" 
AR Path="/5D202779/5D1E33D0" Ref="#PWR051"  Part="1" 
F 0 "#PWR051" H 5000 2150 50  0001 C CNN
F 1 "+15V" H 5015 2473 50  0000 C CNN
F 2 "" H 5000 2300 50  0001 C CNN
F 3 "" H 5000 2300 50  0001 C CNN
	1    5000 2300
	1    0    0    -1  
$EndComp
Wire Wire Line
	6300 2600 6500 2600
Wire Wire Line
	6300 4100 6500 4100
$Comp
L power:+15V #PWR?
U 1 1 5D1E33F2
P 6800 3900
AR Path="/5D1E33F2" Ref="#PWR?"  Part="1" 
AR Path="/5D1CDA14/5D1E33F2" Ref="#PWR020"  Part="1" 
AR Path="/5D200F6F/5D1E33F2" Ref="#PWR037"  Part="1" 
AR Path="/5D202779/5D1E33F2" Ref="#PWR054"  Part="1" 
F 0 "#PWR054" H 6800 3750 50  0001 C CNN
F 1 "+15V" H 6815 4073 50  0000 C CNN
F 2 "" H 6800 3900 50  0001 C CNN
F 3 "" H 6800 3900 50  0001 C CNN
	1    6800 3900
	1    0    0    -1  
$EndComp
$Comp
L power:+15V #PWR?
U 1 1 5D1E33F8
P 6800 2400
AR Path="/5D1E33F8" Ref="#PWR?"  Part="1" 
AR Path="/5D1CDA14/5D1E33F8" Ref="#PWR019"  Part="1" 
AR Path="/5D200F6F/5D1E33F8" Ref="#PWR036"  Part="1" 
AR Path="/5D202779/5D1E33F8" Ref="#PWR053"  Part="1" 
F 0 "#PWR053" H 6800 2250 50  0001 C CNN
F 1 "+15V" H 6815 2573 50  0000 C CNN
F 2 "" H 6800 2400 50  0001 C CNN
F 3 "" H 6800 2400 50  0001 C CNN
	1    6800 2400
	1    0    0    -1  
$EndComp
Wire Wire Line
	6800 4300 7300 4300
Wire Wire Line
	7300 2800 6800 2800
Connection ~ 7300 4300
$Comp
L power:GND #PWR?
U 1 1 5D1E340B
P 7300 4600
AR Path="/5D1E340B" Ref="#PWR?"  Part="1" 
AR Path="/5D1CDA14/5D1E340B" Ref="#PWR021"  Part="1" 
AR Path="/5D200F6F/5D1E340B" Ref="#PWR038"  Part="1" 
AR Path="/5D202779/5D1E340B" Ref="#PWR055"  Part="1" 
F 0 "#PWR055" H 7300 4350 50  0001 C CNN
F 1 "GND" H 7150 4550 50  0000 C CNN
F 2 "" H 7300 4600 50  0001 C CNN
F 3 "" H 7300 4600 50  0001 C CNN
	1    7300 4600
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5D1E3411
P 8150 3600
AR Path="/5D1E3411" Ref="#PWR?"  Part="1" 
AR Path="/5D1CDA14/5D1E3411" Ref="#PWR022"  Part="1" 
AR Path="/5D200F6F/5D1E3411" Ref="#PWR039"  Part="1" 
AR Path="/5D202779/5D1E3411" Ref="#PWR056"  Part="1" 
F 0 "#PWR056" H 8150 3350 50  0001 C CNN
F 1 "GND" H 8155 3427 50  0000 C CNN
F 2 "" H 8150 3600 50  0001 C CNN
F 3 "" H 8150 3600 50  0001 C CNN
	1    8150 3600
	1    0    0    -1  
$EndComp
Wire Wire Line
	8650 3600 8150 3600
Wire Wire Line
	4600 2600 5000 2600
Wire Wire Line
	3750 2500 3750 4200
Wire Wire Line
	4000 4200 3750 4200
Text HLabel 2500 5950 0    50   Input ~ 0
Vset
$Comp
L Connector_Generic:Conn_01x02 J?
U 1 1 5D1F1809
P 8850 3500
AR Path="/5D1F1809" Ref="J?"  Part="1" 
AR Path="/5D1CDA14/5D1F1809" Ref="J3"  Part="1" 
AR Path="/5D200F6F/5D1F1809" Ref="J5"  Part="1" 
AR Path="/5D202779/5D1F1809" Ref="J7"  Part="1" 
F 0 "J7" H 8930 3492 50  0000 L CNN
F 1 "LED" H 8930 3401 50  0000 L CNN
F 2 "Connector_Molex:Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical" H 8850 3500 50  0001 C CNN
F 3 "~" H 8850 3500 50  0001 C CNN
	1    8850 3500
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R?
U 1 1 5D1E3417
P 8300 3500
AR Path="/5D1E3417" Ref="R?"  Part="1" 
AR Path="/5D1CDA14/5D1E3417" Ref="R11"  Part="1" 
AR Path="/5D200F6F/5D1E3417" Ref="R20"  Part="1" 
AR Path="/5D202779/5D1E3417" Ref="R29"  Part="1" 
F 0 "R29" V 8505 3500 50  0000 C CNN
F 1 "10k" V 8414 3500 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 8340 3490 50  0001 C CNN
F 3 "~" H 8300 3500 50  0001 C CNN
	1    8300 3500
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_US R?
U 1 1 5D1E3404
P 7300 4450
AR Path="/5D1E3404" Ref="R?"  Part="1" 
AR Path="/5D1CDA14/5D1E3404" Ref="R10"  Part="1" 
AR Path="/5D200F6F/5D1E3404" Ref="R19"  Part="1" 
AR Path="/5D202779/5D1E3404" Ref="R28"  Part="1" 
F 0 "R28" H 7050 4500 50  0000 L CNN
F 1 "4.7k" H 7050 4400 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 7340 4440 50  0001 C CNN
F 3 "~" H 7300 4450 50  0001 C CNN
	1    7300 4450
	1    0    0    -1  
$EndComp
$Comp
L Transistor_BJT:2N3904 Q?
U 1 1 5D1E33EC
P 6700 4100
AR Path="/5D1E33EC" Ref="Q?"  Part="1" 
AR Path="/5D1CDA14/5D1E33EC" Ref="Q2"  Part="1" 
AR Path="/5D200F6F/5D1E33EC" Ref="Q4"  Part="1" 
AR Path="/5D202779/5D1E33EC" Ref="Q6"  Part="1" 
F 0 "Q6" H 6890 4146 50  0000 L CNN
F 1 "2N3904" H 6890 4055 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-92_Inline" H 6900 4025 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/2N/2N3904.pdf" H 6700 4100 50  0001 L CNN
	1    6700 4100
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R?
U 1 1 5D1E33E5
P 6150 4100
AR Path="/5D1E33E5" Ref="R?"  Part="1" 
AR Path="/5D1CDA14/5D1E33E5" Ref="R9"  Part="1" 
AR Path="/5D200F6F/5D1E33E5" Ref="R18"  Part="1" 
AR Path="/5D202779/5D1E33E5" Ref="R27"  Part="1" 
F 0 "R27" V 6355 4100 50  0000 C CNN
F 1 "10k" V 6264 4100 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 6190 4090 50  0001 C CNN
F 3 "~" H 6150 4100 50  0001 C CNN
	1    6150 4100
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_US R?
U 1 1 5D1E33DE
P 6150 2600
AR Path="/5D1E33DE" Ref="R?"  Part="1" 
AR Path="/5D1CDA14/5D1E33DE" Ref="R8"  Part="1" 
AR Path="/5D200F6F/5D1E33DE" Ref="R17"  Part="1" 
AR Path="/5D202779/5D1E33DE" Ref="R26"  Part="1" 
F 0 "R26" V 6355 2600 50  0000 C CNN
F 1 "10k" V 6264 2600 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 6190 2590 50  0001 C CNN
F 3 "~" H 6150 2600 50  0001 C CNN
	1    6150 2600
	0    -1   -1   0   
$EndComp
$Comp
L Transistor_BJT:2N3904 Q?
U 1 1 5D1E33D6
P 6700 2600
AR Path="/5D1E33D6" Ref="Q?"  Part="1" 
AR Path="/5D1CDA14/5D1E33D6" Ref="Q1"  Part="1" 
AR Path="/5D200F6F/5D1E33D6" Ref="Q3"  Part="1" 
AR Path="/5D202779/5D1E33D6" Ref="Q5"  Part="1" 
F 0 "Q5" H 6890 2646 50  0000 L CNN
F 1 "2N3904" H 6890 2555 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-92_Inline" H 6900 2525 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/2N/2N3904.pdf" H 6700 2600 50  0001 L CNN
	1    6700 2600
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R?
U 1 1 5D1E33BA
P 5000 2450
AR Path="/5D1E33BA" Ref="R?"  Part="1" 
AR Path="/5D1CDA14/5D1E33BA" Ref="R6"  Part="1" 
AR Path="/5D200F6F/5D1E33BA" Ref="R15"  Part="1" 
AR Path="/5D202779/5D1E33BA" Ref="R24"  Part="1" 
F 0 "R24" H 4932 2404 50  0000 R CNN
F 1 "4.7k" H 4932 2495 50  0000 R CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 5040 2440 50  0001 C CNN
F 3 "~" H 5000 2450 50  0001 C CNN
	1    5000 2450
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R?
U 1 1 5D1E33B3
P 5000 3950
AR Path="/5D1E33B3" Ref="R?"  Part="1" 
AR Path="/5D1CDA14/5D1E33B3" Ref="R7"  Part="1" 
AR Path="/5D200F6F/5D1E33B3" Ref="R16"  Part="1" 
AR Path="/5D202779/5D1E33B3" Ref="R25"  Part="1" 
F 0 "R25" H 5068 3996 50  0000 L CNN
F 1 "4.7k" H 5068 3905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 5040 3940 50  0001 C CNN
F 3 "~" H 5000 3950 50  0001 C CNN
	1    5000 3950
	1    0    0    -1  
$EndComp
$Comp
L Comparator:LM311 U?
U 1 1 5D1E337D
P 4300 4100
AR Path="/5D1E337D" Ref="U?"  Part="1" 
AR Path="/5D1CDA14/5D1E337D" Ref="U3"  Part="1" 
AR Path="/5D200F6F/5D1E337D" Ref="U6"  Part="1" 
AR Path="/5D202779/5D1E337D" Ref="U9"  Part="1" 
F 0 "U9" H 4450 4350 50  0000 L CNN
F 1 "LM311" H 4450 4250 50  0000 L CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 4300 4100 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm311.pdf" H 4300 4100 50  0001 C CNN
	1    4300 4100
	1    0    0    -1  
$EndComp
$Comp
L Comparator:LM311 U?
U 1 1 5D1E3377
P 4300 2600
AR Path="/5D1E3377" Ref="U?"  Part="1" 
AR Path="/5D1CDA14/5D1E3377" Ref="U2"  Part="1" 
AR Path="/5D200F6F/5D1E3377" Ref="U5"  Part="1" 
AR Path="/5D202779/5D1E3377" Ref="U8"  Part="1" 
F 0 "U8" H 4450 2850 50  0000 L CNN
F 1 "LM311" H 4450 2750 50  0000 L CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 4300 2600 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm311.pdf" H 4300 2600 50  0001 C CNN
	1    4300 2600
	1    0    0    -1  
$EndComp
$Comp
L OP27GPZ:OP27GPZ U?
U 1 1 5D1E335C
P 3100 6000
AR Path="/5D1E335C" Ref="U?"  Part="1" 
AR Path="/5D1CDA14/5D1E335C" Ref="U1"  Part="1" 
AR Path="/5D200F6F/5D1E335C" Ref="U4"  Part="1" 
AR Path="/5D202779/5D1E335C" Ref="U7"  Part="1" 
F 0 "U7" H 3300 6250 50  0000 L CNN
F 1 "TL081IP" H 3300 6150 50  0000 L CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 3400 6000 50  0001 C CNN
F 3 "" H 3400 6000 50  0001 C CNN
	1    3100 6000
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x03 J?
U 1 1 5D1E3364
P 5200 6100
AR Path="/5D1E3364" Ref="J?"  Part="1" 
AR Path="/5D1CDA14/5D1E3364" Ref="J2"  Part="1" 
AR Path="/5D200F6F/5D1E3364" Ref="J4"  Part="1" 
AR Path="/5D202779/5D1E3364" Ref="J6"  Part="1" 
F 0 "J6" H 5150 6350 50  0000 L CNN
F 1 "ELECTRODES" H 5300 6350 50  0000 L CNN
F 2 "Connector_Molex:Molex_KK-254_AE-6410-03A_1x03_P2.54mm_Vertical" H 5200 6100 50  0001 C CNN
F 3 "~" H 5200 6100 50  0001 C CNN
	1    5200 6100
	1    0    0    -1  
$EndComp
Wire Wire Line
	3750 4200 3750 6000
Connection ~ 3750 4200
Text Notes 4000 4650 0    50   ~ 0
Vcell < -12.3 V ?
Text Notes 4000 1900 0    50   ~ 0
Vcell > +12.3 V ?
Wire Notes Line
	3000 4750 3000 3500
Wire Notes Line
	5300 3200 5300 1750
Wire Notes Line
	5300 1750 3000 1750
Wire Notes Line
	3000 1750 3000 3200
Wire Notes Line
	5300 3500 5300 4750
Wire Notes Line
	3000 4750 5300 4750
Wire Notes Line
	5800 4750 7500 4750
Wire Notes Line
	7500 4750 7500 1750
Wire Notes Line
	7500 1750 5800 1750
Wire Notes Line
	5800 1750 5800 4750
Wire Wire Line
	5000 4100 6000 4100
Connection ~ 5000 4100
Wire Wire Line
	5000 2600 6000 2600
Connection ~ 5000 2600
Text Notes 5850 1900 0    50   ~ 0
OR GATE
Wire Wire Line
	8450 3500 8650 3500
Wire Wire Line
	7300 2800 7300 3500
Wire Notes Line
	8000 4000 9250 4000
Wire Notes Line
	9250 4000 9250 3000
Wire Notes Line
	9250 3000 8000 3000
Wire Notes Line
	8000 3000 8000 4000
Wire Wire Line
	7300 3500 8150 3500
Connection ~ 7300 3500
Wire Wire Line
	7300 3500 7300 4300
Text Notes 8050 3150 0    50   ~ 0
"FAULT" INDICATOR
Wire Wire Line
	2500 5950 2800 5950
Text HLabel 2500 4000 0    50   Input ~ 0
Vover
Text HLabel 2500 2700 0    50   Input ~ 0
Vunder
Wire Wire Line
	2500 2700 4000 2700
Wire Wire Line
	2500 4000 4000 4000
Wire Notes Line
	3000 3500 5300 3500
Wire Notes Line
	3000 3200 5300 3200
$EndSCHEMATC