ACCESSORIES
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NOTE: The connection diagram shown in Figure C.1 shows the electrode connected for positive polarity. To change polarity:
a. Set the Idealarc |
switch to the OFF (0) position. |
b. Move the electrode cable to the negative |
output terminal. (High inductance or low |
FIGURE C.2 – NA-5/-5R WIRE FEEDER CONNECTION TO THE IDEALARC DC-655
POWER SOURCE |
| CONTROL CABLE |
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FOR CONTROL CABLE
WITH 14 PIN
PLUG CONNECTOR
21 | TO | OR |
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| INPUT CABLE PLUG |
CONTROL CABLE
FOR CONTROL CABLE
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| inductance, as needed). |
c. | Move the work cable to the positive (+) output |
| terminal. |
d. | If connecting lead #21 to the terminal strip, |
| connect it to the +21 terminal (to match work |
| polarity). If work polarity changes back to |
| negative, lead #21 must be connected to the |
| |
e. | Reverse the leads on the back of the ammeter |
| and voltmeter in the automatic control box. |
f. | If the automatic controls include a variable |
| voltage board, connect its jumper lead to pin |
| “L”. This will permit the inch down button to |
| operate. However, the jumper also disables |
| the cold starting/autostop feature of the auto- |
| matic controls. Only hot starting will be avail- |
| able. |
6. Set the | |
“Remote” position and the OUTPUT TERMINALS | |
switch in the “Remote” position. |
CONNECTING THE
1.Set the Idealarc
2.Disconnect main AC input power to the Idealarc
3.Connect the wire feeder control cable leads to the Idealarc
WITH TERMINAL STRIP
LEAD CONNECTORS
+21 - 21 41 | 4 | 2 | 31 | 32 | 75 | 76 | 77 |
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| B |
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| A |
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| 32 |
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| 31 |
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| 4 |
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| GND |
NEGATIVE |
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| POSITIVE |
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| 21 |
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| BOLT TO CABLES FROM |
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| WIRE CONTACT AS'BLY |
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| TO WORK |
REMOTE VOLTAGE SENSING LEAD
4.Connect the wire feeder control cable ground lead
to the frame terminal marked .
NOTE: The Idealarc
5.Extend wire feeder control cable lead #21 so it can be connected directly to the work piece.
a.Make a bolted connection using AWG #14 or larger insulated wire. Tape the bolted connec- tion with insulating tape.
b.An
c.Keep the #21 lead electrically separate from the work cable circuit and connection.
d.Tape the #21 lead to work cable for ease of use.
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IDEALARC