Tig Timing
1
1 2 3 4 5 6 A B C D 6 5 4 3 2 1 D C B A Title Number Revision Size B Date: 5-Mar-2005 Sheet of File: C:\Projects\Tig Welder\Tig_Welder.ddb Drawn By: 8 9 10 U12C 74HCT132 1 2 U200A 74HCT14 3 4 U200B 74HCT14 9 8 U20D 74HCT14 5 6 U200C 74HCT14 5 6 U20C 74HCT14 9 8 U200D 74HCT14 11 10 U200E 74HCT14 13 12 U200F 74HCT14 9 8 14 U19C LM339 RV200 1K +5V R201 10K D200 1N4148 R218 1K R208 1K R200 10K R204 10K R202 10K R221 1K R207 1K R203 10K R225 4K7 R222 1K D202 1N4148 D204 1N4148 D201 1N4148 +9V +6V +5V +5V FS_OPTO GAS_DWELL_P1 CP200 20U GND D203 1N4148 CUR_ON_DELAY_P1 CUR_ON_DELAY_P2 CP201 10U GND 1 2 U201A 74HCT14 3 4 U201B 74HCT14 5 6 U201C 74HCT14 CURRENT_ON CP202 10U GND GND START_CUR_ON_TIME_P1 START_CUR_ON_TIME_P2 FPCC Q204 DARL GND K1_COIL GAS_ON R226 4K7 Q205 DARL GND +5V R206 10K R205 10K R224 1K D206 1N4148 D205 1N4148 13 12 U201F 74HCT14 11 10 U201E 74HCT14 9 8 U201D 74HCT14 CP203 10U GND GND END_CUR_ON_TIME_P1 END_CUR_ON_TIME_P2 K2_COIL R227 4K7 Q206 DARL GND END_C_ON ST_C_ON TIG WELDER TIMING R213 4K7 Q202 2N3904 R214 4K7 GND R211 4K7 Q201 2N3904 R212 4K7 GND R215 4K7 Q203 2N3904 R216 4K7 GND LED_C_ON LED_SC_ON LED_EC_ON R219 1K R220 1K R223 1K 12 13 14 U106D LM324 5 6 7 U106B LM324 10 9 8 U106C LM324 11 10 13 U19D LM339,DIP14N R209 4K7 Q200 2N3904 R210 4K7 GND LED_GAS_ON R217 1K 1 2 J1 CON2 +24V TO GAS SOLENOID 11 12 13 U103D 74HCT132 R1 1K R3 1K GND R2 1K R6 1K R7 1K R8 1K R9 1K R10 1K R4 1K R5 1K GND D? 1N4004
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TIG timing board
Transcript of Tig Timing
1 2 3 4 5 6
A
B
C
D
654321
D
C
B
A
Title
Number RevisionSize
B
Date: 5-Mar-2005 Sheet of File: C:\Projects\Tig Welder\Tig_Welder.ddb Drawn By:
89
10
U12C
74HCT132
1 2U200A
74HCT14
3 4U200B
74HCT14
9 8U20D
74HCT14
5 6U200C
74HCT14
5 6U20C
74HCT14
9 8U200D
74HCT14
11 10U200E
74HCT14
13 12U200F
74HCT14
9
814
U19C
LM339RV200
1K
+5V
R201
10K
D200
1N4148
R218
1K
R2081K
R20010K
R204
10K
R202
10K
R221
1K
R2071K
R20310K
R225
4K7
R222
1K
D202
1N4148
D2041N4148
D2011N4148
+9V
+6V
+5V +5V
FS_OPTO
GAS_DWELL_P1
CP20020U
GND
D203
1N4148
CUR_ON_DELAY_P1
CUR_ON_DELAY_P2
CP20110U
GND
1 2U201A
74HCT14
3 4U201B
74HCT14
5 6U201C
74HCT14
CURRENT_ON
CP202
10U
GND
GND
START_CUR_ON_TIME_P1
START_CUR_ON_TIME_P2
FPCC
Q204
DARL
GND
K1_COIL
GAS_ON
R226
4K7
Q205
DARL
GND
+5V
R206
10K
R20510K
R224
1K
D2061N4148
D2051N4148
13 12U201F
74HCT14
11 10U201E
74HCT14
9 8U201D
74HCT14
CP203
10U
GND
GND
END_CUR_ON_TIME_P1
END_CUR_ON_TIME_P2
K2_COIL
R227
4K7
Q206
DARL
GND
END_C_ON
ST_C_ON
TIG WELDER TIMING
R213
4K7
Q202
2N3904R2144K7
GND
R211
4K7
Q201
2N3904R2124K7
GND
R215
4K7
Q203
2N3904R2164K7
GND
LED_C_ON LED_SC_ON
LED_EC_ON
R219
1K
R220
1K
R223
1K
12
1314
U106D
LM324
5
67
U106B
LM324
10
98
U106C
LM324
11
1013
U19D
LM339,DIP14N
R209
4K7
Q200
2N3904R2104K7
GND
LED_GAS_ONR217
1K
12
J1
CON2
+24V
TO GAS SOLENOID
1112
13
U103D
74HCT132
R1
1K
R3
1K
GND
R2
1K
R6
1K
R7
1K
R8
1K
R9
1K
R10
1K
R4
1K
R5
1K
GND
D?
1N4004
