Lincoln Electric SVM185-A Digital Control CABLE, K1543-XX, Power Source Wire Feeder, Function

A-4 INSTALLATION A-4

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DIGITAL CONTROL CABLE, K1543-XX

(See Figure A.3)

ArcLink/LincNet control cables are special high quality cables for digital communication. The cables are cop- per 5 conductor cable in a SO-type rubber jacket. There is one 20 gauge twisted pair for network com- munications. This pair has an impedance of approxi- mately 120 ohms and a propagation delay per foot of less than 2.1 nanoseconds. There are two 12 gauge conductors that are used to supply 40VDC to the net- work. The fifth wire is 18 gauge and is used as an elec- trode sense lead.

Use of non-standard cables may lead to system shut- downs, poor arc starting and wire feeding problems.

The control cables connect the power source to the wire feeder, and the wire feeder to other wire feeders.

Control cables may be connected end to end to extend their length. Use a maximum of 200 ft. (61.0m) of con- trol cable between components.

CONTROL CABLE CONNECTION:

Digital Control Cable: Figure A.3

Power Source Wire Feeder

D	E A	A	E D
C	B	B	C

	Power Source		Wire Feeder
Pin	Function	Pin	Function
A	Digital I/O	A	Digital I/O
B	Digital I/O	B	Digital I/O
C	"67" voltage sense	C	"67" voltage sense
D	40 VDC	D	40 VDC
E	Common	E	Common

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CABLE CONNECTIONS

There are three circular connectors on the front of the

POWER FEED® 25M.

			FIGURE A.1
			Function	PIN	Wiring
C		B	5 pin trigger con-	A	Trigger
				B	Not used
D	E	A	nector for push-	C	Trigger, Common
			only guns.	D	Dual Procedure Selection
				E
					Dual, Common
	C			A	77 Remote potentiometer, 5K
D		B	6 pin connector for	B	75 Remote potentiometer, common
				C	76 Remote potentiometer, wiper
E		A	remote control or	D	Switch, On/Off
	F		foot/hand amptrol.	E	Switch, common
				F
					Not used
	C			A	Motor -
				B	Motor +
			7 pin connector for	C
D		B			77 Remote potentiometer, 5K
	G		push-pull guns	D	76 Remote potentiometer, wiper
E		A		E	Switch, On/Off
	F			F	Switch, common
				G	75 Remote potentiometer, common

There is one circular connector on the rear of the POWER FEED® 25M.

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C		B
D	E	A

FIGURE A.2

Function	PIN	Wiring
	A	ArcLink
5 pin ArcLink con-	B	ArcLink
nector.	C	67 Electrode Voltage Sense
	D	40VDC
	E
		40VDC, Common

POWER FEED® 25M