Hobart Welding Products HWC-115A manual Input Power Connection, Contact Closure Connections

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2-5. Input Power Connection

1

2

3

4

1Contact Closure Interconnecting Cord And Plug PLG5

2Voltage Sensing Lead

Connect to workpiece for CC op- eration (see Section 2-3).

3 Grounded Receptacle

A 15 ampere branch circuit pro- tected by time-delay fuses or cir- cuit breakers is required.

4Input Power Cord And Plug PLG4

Connect input power plug to a proper receptacle.

ST-801 839

2-6. Contact Closure Connections

A. 5-Pin Plug Information For Standard Contact Closure Connections

	Pin*	Pin Information
	A	Contact output signal.
	E
D	A
C	B	Input control to energize weld contactor. Contact closure to A completes 24 volts ac contactor
C	B	control circuit.
		control circuit.
*The remaining pins are not used.		Ref. S-0005-A

OM-185 480 Page 7

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Contents OM-185 480B ProcessesDescription From Hobart to You Symbol Usage Safety Precautions for ARC WeldingArc Welding Hazards Fumes and Gases can be hazardous to your healthAdditional Installation, Operation, And Maintenance Hazards Removal of input power on inverters Principal Safety StandardsEMF Information Static Electricity can damage parts On circuit boardsInstallation Typical Process ConnectionsGun/Feeder Connections INT EXT Weld Cable Connections Contact Closure Connections Input Power ConnectionOperation Volt Model ControlsShielding Gas Months Maintenance & TroubleshootingTrouble Remedy TroubleshootingCircuit Diagram Electrical DiagramComplete Assembly Of HWC-115A Parts ListDia Part Description Quantity Mkgs 123 123 123 Call HOBART1 for your local Hobart distributor Hobart Welding Products Contact your Distributor for