Miller Electric TM-353E manual RC3

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6-7. Remote 14 Filter Board PC2 Test Point Values (Use With Section 6-2 And Section 6-6)

			a) Tolerance – ± 10% unless
		PC2 Voltage Readings	specified
		PC2 Voltage Readings	b) Reference – to circuit common
			b) Reference – to circuit common
			(lead 42) unless noted
Receptacle	Pin	Value
RC1	A	24 volts ac
	B	Contact closure to A completes 24 volts ac contactor control circuit
	C	Command reference; 0 to +10 volts dc output to remote control
	D	Remote control circuit common
	E	0 to +10 volts dc input command signal from remote control
	K	Chassis common
RC2	1	Command reference; 0 to +10 volts dc output to remote control
	3	Contact closure to A completes 24 volts ac contactor control circuit
	4	Remote control circuit common
	5	0 to +10 volts dc input command signal from remote control
	6	24 volts ac

RC3

1

Chassis common

TM-353 Page 34

Syncrowave 250

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Contents SyncrowaveR Table of Contents Declaration of Conformity For European Community CE Products Page Marks a special safety message Safety Precautions for ServicingSymbol Usage Servicing HazardsEMF Information About Pacemakers+ + + DefinitionsISO/IEC Rating Label For CE ProductsSymbols And Definitions Some symbols are found only on CE productsVolt-Ampere Curves InstallationSpecifications 220 230 260 380 415 460Overheating Duty Cycle And Overheating60% Duty Cycle At 200 Amperes Movement Location And Airflow Dimensions And WeightsSelecting a Location Weld Output Terminals And Selecting Cable Sizes Be careful when placing or moving unit over uneven surfacesTipping ARC Welding can cause Electromagnetic InterferenceVolts AC Duplex Receptacle And Shielding Gas Connections Turn Off power before connecting to receptacleRemote 14 Receptacle SocketElectrical Service Guide All values calculated at 60% duty cyclePlacing Jumper Links And Connecting Input Power Check label inside your unit- only one label is on unitOperation ControlsOutput Selector Switch MetersApplication Crater Time ControlsSpot Time Controls Balance Control AC Gtaw Setting Output WaveformsAC Balance Control Amperage Adjustment Controls Output Contactor Control SwitchFor AC And DC Smaw Welding Arc ControlsPostflow Time Control High Frequency Controls Preflow Time Control OptionalTheory of Operation SCRHD1 Troubleshooting Troubleshooting TableNecessary parts Dition of contacts. Replace CR5 if necessary Contacts. Replace CR2 if necessary Troubleshooting Circuit Diagram For Welding Power Source V24 See -1 forHD1 location D, EWaveforms For Section GndAC Output, 100 Amperes, 24 Volts AC Re- sistive Load Control Board PC1 Testing Information Use With Section Control Board PC1 Test Point Values Reference for gate pulse to SCR4 RC54 Not usedReceptacle Pin Value Remote Board PC2 Testing Information Use With Section RC3 Meter Calibration Input Voltage Labels And Connections Months MaintenanceRoutine Maintenance Circuit Breaker CB1Fuses F1 And F2 Adjusting Spark GapsTurn Off power before adjusting spark gaps High Frequency HF Welding Processes Using HFSources Of HF Radiation From Incorrect Installation Correct Installation Electrical Diagrams Model Serial Or Style Number Circuit Diagram Wiring DiagramSC-114 SC-120 SC-121 SC-124 SC-124 785-B SC-132 697-A SC-137 SC-135 SC-142 SC-148 SC-154 649-C SC-178 SC-179 303-A SC-181 109-E SC-188 161-A Syncrowave TM-353 TM-353 SD-188 162-A TM-353 SD-187 644 1 TM-353 SD-187 644 2 SA-121 SA-044 725-C TM-353 Description Parts List Main AssemblyPLG51 114 BASE, Prior to KE727074 170 Panel, Front w/Components Panel, Front w/ Components Rectifier, Si Diode -1 Item Panel, Mtg Components -1 Item Control Panel, Lower Front 126 Capacitor ASSEMBLY, Eff w/JK537589 thru JK690986 C14 124 COIL, HF coupling Eff w/JK572898 thru KF959378 174 Optional Equipment Page Miller