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Section | TABLE OF CONTENTS | Section |
| - THEORY OF OPERATION SECTION - |
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Theory of Operation | Section E |
General Description | |
Input Power | |
Trigger & Control Circuits | |
Wirefeed Speed Control & Feedback | |
Display Board |
FIGURE E.1 – LN-15 BLOCK LOGIC DIAGRAM
LN-15 WIRE FEEDER
DISPLAY BOARD
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ELECTRODE INPUT VOLTAGE
TOROID
ASSEMBLY
FULL
WAVE
BRIDGE
CONTACTOR
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| FEED | WELDING | |
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| PLATE |
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GAS |
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| M |
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SOLENOID |
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| O | HALL | |
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"ELECTRODE" |
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| EFFECT | ||
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FEEDBACK |
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| R | MODULE | |
VOLTAGE #67 |
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| ARMATURE |
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| RPM FEEDBACK |
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ON/OFF
SWITCH
MOV
WORK SENSING LEAD
BOOST POWER SUPPLY BOARD
FEED HEAD BOARD SUPPLY
DRIVE MOTOR SUPPLY
FEED HEAD
CONTROL BOARD
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"WORK" VOLTAGE FEEDBACK #21
SPI COMMUNICATIONS
SHIELDED CABLE
COLD | WIRE | TRIGGER | TRIGGER | DISPLAY | |
INPUT & | INTERLOCK | ||||
INCH | FEED | BOARD | |||
PROCEDURE | SWITCH | ||||
SWITCH | SPEED |
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| CONTROL |
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