Lincoln Electric 355M Manuel d'utilisateur télécharger pdf (Page 14)

INSTALLATION

A-6 A-6

POWER WAVE 355M/405M

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Enable the voltage sense leads as follows:

TABLE A.1

Process Electrode Voltage Work Voltage

Sensing 67 lead * Sensing 21 lead

GMAW 67 lead required 21 lead optional

GMAW-P

67 lead required 21 lead optional

FCAW 67 lead required 21 lead optional

GTAW

Voltage sense at studs Voltage sense at studs

GMAW

Voltage sense at studs Voltage sense at studs

SAW 67 lead required 21 lead optional

CAC-C

Voltage sense at studs Voltage sense at studs

* The electrode voltage 67 sense lead is integral to the

control cable to the wire feeder.

Work Voltage Sensing

The standard POWER WAVE 355M/405M default to

the work stud (work sense lead disabled)

For processes requiring work voltage sensing, connect

the (21) work voltage sense lead (K940) from the

Power Wave work sense lead receptacle to the work

piece. Attach the sense lead to the work piece as close

to the weld as practical, but not in the return current

path. Enable the work voltage sensing in the Power

Wave as follows:

• Do not touch electrically live parts or

electrodes with your skin or wet

clothing.

• Insulate yourself from the work and

ground.

• Always wear dry insulating gloves.

1. Turn off power to the power source at the disconnect

switch.

2. Remove the wrap around cover from the power

source.

3. The control board is on the center assembly facing

the case front. Locate the 8-position DIP switch and

look for switch 8 of the DIP switch.

4. Using a pencil or other small object, slide the switch

to the OFF position if the work sense lead is NOT

connected. Conversely, slide the switch to the ON

position if the work sense lead is present.

WARNING

12 3456 78

5. Replace the wrap around and screws. The PC board

will “read” the switch at power up, and configure the

work voltage sense lead appropriately.

ELECTRODE VOLTAGE SENSING

Enabling or disabling electrode voltage sensing is auto-

matically configured through software. The 67 elec-

trode sense lead is internal to the cable to the wire

feeder and always connected when a wire feeder is

present.

PF10M feeder has user preference features to select

voltage senses temporarily for testing sense leads.

CAUTION

Important: The electrode polarity must be config-

ured at the feed head for all semi-automatic

processes. Failure to do so may result in extreme-

ly high welding outputs.

------------------------------------------------------------------------

POWER WAVE TO SEMI-AUTOMATIC POW-

ERFEED WIRE FEEDER INTERCONNEC-

TIONS

The POWER WAVE 355M/405M and semi-automatic

Power Feed family communicate via a 5 conductor

control cable (K1543). The control cable consists of two

power leads, one twisted pair for digital communica-

tion, and one lead for voltage sensing. The cables are

designed to be connected end to end for ease of exten-

sion. The output receptacle on the POWER WAVE

405M is on the case front. The input receptacle on the

Power Feed is typically located at the back of the feed-

er, or on the bottom of the user interface.

Due to the flexibility of the platform the configuration

may vary. The following is a general description of the

system. For specific configuration information, consult

the semi-automatic Power Feed instruction manual.

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Lincoln Electric 355M Manuel d'utilisateur Page 14

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