Miller Electric D-74D manual Setting Internal DIP Switches, Automatic Run-In OFF S1-1 And S1-2

Page 20

5-8. Setting Internal DIP Switches

Right Side Motor

Control Board PC1

P1

Left Side Motor

Control Board

PC101

Remove wrapper.

1DIP Switch S1 On Motor Board PC1

wSetting Current Detect Override (S1-1)

Current detect override is used to disable run-in when a welding pow- er source is used that doesn’t pro- vide current feedback through the 14-pin receptacle.

.Pins F & H are not present in 14 pin receptacle on machines that don’t provide current feed- back.

Install wrapper when finished.

This illustration shows
the factory setting of S1.	1
	1

. In the DIP switch S1 illustrations, the elevated slider on each switch is shown in white. For example, the switches above are all in the Off position.

.When DIP switch positions are changed, the unit must be

turned Off and then On again in order for the new settings to be active. DIP switches are only read on power up.

Tools Needed:

1/4 in

Position Settings And Results For DIP Switch S1 On PC1 And PC101

Automatic Run-In (ON)

(Factory Default)

S1-1 And S1-2

On = Run-In speed is approximately 1/2 weld wire feed speed.

Automatic Run-In (OFF)

S1-1 And S1-2

Off = Run-In speed is set using potentiometer P1 located on Motor Board PC1.

Current Detect Override (ON)

S1-1 And S1-2

On = Current detect over- ride. For welding power sources that don’t provide current feedback through the 14-pin receptacle. Run- in is inactive.

Current Detect Override (OFF)

(Factory Default)

S1-1 And S1-2

Off = Current must be detected from power sources that provide current feedback through the

14-pin receptacle to go from run-in to welding condition. Run-in is active.

803 063 / Ref. 802 944

OM-1500-6 Page 16

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Contents OM-1500-6 206 805H ProcessesDescription File MIG GmawFrom Miller to You Table of Contents Standards Decwire6/05Directives Symbol Usage Marks a special safety messageArc Welding Hazards Electric Shock can killARC Rays can burn eyes and skin Welding can cause fire or explosionFlying Metal can injure eyes Buildup of GAS can injure or killCalifornia Proposition 65 Warnings About Pacemakers Principal Safety StandardsEMF Information Indique un message de sécurité particulier UNE Décharge Électrique peut entraîner la mortLES Fumées ET LES GAZ peuvent être dangereux LE Soudage peut provoquer un Incendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures gravesRisque D’INCENDIE OU D’EXPLO LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessuresPrincipales normes de sécurité En ce qui concerne les stimulateurs cardiaquesKeep your head out of the fumes Disconnect input plug or power before working on machineDrive rolls can injure fingers Symbols And Definitions Rating Label For CE ProductsRating SpecificationsSite Selection Equipment Connection Diagrams Rear Panel Connections And Rotating Drive Assembly Wire Type, Size, And Feed Speed Capability Table Motor Speed Wire Type Wire Size Feed Speed CapabilityPin Plug Information Gun Recommendation TableInstalling And Threading Welding Wire Setting Internal DIP Switches Current Detect Override OFF Factory Default S1-1 And S1-2Right Side Motor Control Board PC1 Left Side Motor PC101 Automatic Run-In OFF S1-1 And S1-2Optional Equipment DIP Switch Settings PC60Power Switch Left/Right Select SwitchPower Switch Jog/PurgeVoltage Control And Digital Meters Trigger Hold SwitchTrigger Hold Switches Months Routine MaintenanceDisconnect power before maintaining Diagnostics Troubleshooting Disconnect power before troubleshootingWire feeds, shielding gas flows, but Trouble RemedyOM-1500-6 − Electrical Diagram 204 716-B Main Assembly 21 −2Part Description Quantity Control Box Harness Connectors/Receptacles 130Drive Assembly, Wire Drive Assembly, Wire -1Item203 Drive Roll And Wire Guide Kits Fraction Metric Kit Roll Wire SizeRoll Drive Roll Drive KitPage Page Support ServiceYour distributor also gives To locate a Distributor or Service Agency visit Miller Electric Mfg. CoFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s