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Section TOC
Master TOC
ELECTRICAL DIAGRAMS | ||
Operating Schematic |
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2147 | G |
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L3
L2
L1
CURRENT REED SW.
CLOSED WITH OUTPUT CURRENT
73
74R1
76
77
TS 3
5J11
CC1J1
3CR CVI
215CVS
CC
CVI
6J2
CVS7J2 8J1
| 10J1 |
| 11J1 |
| 8J2 |
S3 |
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CC |
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CVI | 3J1 |
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CVS | 1J2 |
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CC4J2
CVI
CVS
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| 255 |
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| START |
| STOP |
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| 271 |
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| 211 | 212 | 2CR |
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| H3 |
| R3 |
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| 1CR |
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H2 | 120VAC |
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| 1CR | R |
H1 | 256 |
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| 257 |
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| T2 |
| SECONDARY PRIMARY |
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| 14J1 | 13J1 | 5J2 |
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220 |
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221 | 256 | 255 | 215 | +55V |
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STARTING LOGIC |
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| POWER SUPPLY | +16V |
| - 6.2V | |
| - 10V | |
SET POINT |
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229 |
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73 | CONTROL PCB | |
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75 | ||
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226 |
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| FAULT DETECT. | |
238 |
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230 |
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266 | CONTROL AMP | |
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| 231 | |
VOLTAGE FEEDBACK |
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224 |
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222
SHUTDOWN
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CURRENT FEEDBACK | OVERLOAD DETECT. | |
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210 | 215 |
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222
216
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| 1CR |
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21 |
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4 |
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| TO GROUND |
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| 4CR |
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2 |
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31 |
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32 |
| FAN MOTOR |
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| 120VAC |
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TS 2 |
| F1 |
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| 32A |
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| 8A |
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| SCR1 |
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| SCR2 |
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| 1J5 | 214 FIRING BD. ENABLE |
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| 5J5 |
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| 215 |
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| 204 | 4J5 |
| 2J6 | X | SCR1 & SCR2 |
| GATE DRIVE |
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| 2J5 |
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| FIRING CIRCUIT | G1 |
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| 203 | 75 VAC | 1J7 |
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| 231 | 8J7 | A' |
| G2 | GATE DRIVE | 6J4 |
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| 206 | 3J5 |
| 1J6 |
| SCR3 & SCR4 |
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| 7J5 | 75 VAC | Y |
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| 205 |
| FIRING CIRCUIT | G3 | GATE DRIVE | 1J4 |
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| 2J7 | B |
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| GATE DRIVE |
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| 5J7 | B' |
| G4 | 4J4 |
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9J1 FIRING SIGNAL |
| 10J5 |
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| 8J5 | 231 | 3J6 | Z |
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| 208 | 6J7 |
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| GATE DRIVE |
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| 9J5 | 75 VAC |
| C | G5 | 5J4 |
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| 207 | 5J7 |
| C' SCR5 & SCR6 |
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| GATE DRIVE |
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| FIRING CIRCUIT | G6 | 2J4 |
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235 |
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12J1 |
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7J1 | 2CR | FIRING PCB |
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236 |
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1CR
3
205
6
9
206 12
SCR3
SCR4
31
32A
207
208
214 | 4CR | R2 |
| OUTPUT |
| 216 |
| SNUBBER | |
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| PCB |
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| 4CR |
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SCR5 |
| 4CR |
| OUTPUT |
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| 215 |
| SHUNT |
SCR6 |
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| 215 | 210 |
50mV @ 1300Amps
222
500 AMP OUTPUT
OUTPUT CHOKE
"+" OUTPUT STUD 210
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2J11 | 1J3 | 2J3 |
| THIS SHEET CONTAINS PROPRIETARY INFORMATIONUNLESS OTHERWISE SPECIFIED | TOLERANCE |
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| E Q U I P . | TRANSFORMER WELDERS | |||||||||||
| OWNED BYTHE LINCOLN ELECTRIC ANDCO . IS |
| ON HOLE SIZES PER E2056 |
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| THE LINCOLN ELECTRICTCOY P E | . |
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| ON 2 PLACE DECIMALS IS | . 02 |
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2 |
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| CLEVELAND, OHIO U . S . A . |
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| NOT TO BE REPRODUCED, DISCLOSED OR USED |
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| OPERATING SCHEMATIC | ||||||||||||||||||||
| WITHOUT THE EXPRESS PERMISSION OF |
| ON 3 PLACE DECIMALS IS | . 002 |
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| S U B J E | CT | |||||||
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| ON ALL ANGLES IS . 5 OF A DEGREE3 |
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| S C A L E NONE |
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| S H T . | |||||||||||||||
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| MATERIAL TOLERANCEt (" ") TO AGREE |
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| THE LINCOLN ELECTRIC CO . |
| WITH PUBLISHED STANDARDS . |
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| D R | C.S. |
| D A T E |
| C H K J.J. |
| R E F | . |
| S U P ' S ' D ' | N O . G 2147 | |||||||
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NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
IDEALARC DC1000