OM-2223 Page 17
4-8.
Weld Output Terminals And Selecting Cable Sizes
Y
ARC WELDING can cause Electromagnetic Interference.
To reduce possible interference, keep weld cables as short as possible, close together, and down low, such as on the floor.
Locate welding operation 100 meters from any sensitive electronic equipment. Be sure this welding machine is installed
and grounded according to this manual. If interference still occurs, the user must take extra measures such as moving
the welding machine, using shielded cables, using line filters, or shielding the work area.
Total Cable (Copper) Length In Weld Circuit Not Exceeding
100 ft (30 m) Or Less
150 ft
(45 m)
200 ft
(60 m)
250 ft
(70 m)
300 ft
(90 m)
350 ft
(105 m)
400 ft
(120 m)
Turn Off power before
connecting to weld output
terminals.
Welding
Amperes
10 − 60%
Duty
Cycle
60 − 100%
Duty Cycle
10 − 100% Duty Cycle
100
4
4
4
3
2
1
1/0
1/0
150
3
3
2
1
1/0
2/0
3/0
3/0
200
3
2
1
1/0
2/0
3/0
4/0
4/0
250
2
1
1/0
2/0
3/0
4/0
2-2/0
2-2/0
Positive
Low
Negative
300
1
1/0
2/0
3/0
4/0
2-2/0
2-3/0
2-3/0
Positive
Low
Inductance Positive
High
Negative
350
1/0
2/0
3/0
4/0
2-2/0
2-3/0
2-3/0
2-4/0
Inductance Positive
High
Inductance
400
1/0
2/0
3/0
4/0
2-2/0
2-3/0
2-4/0
2-4/0
Inductance
500
2/0
3/0
4/0
2-2/0
2-3/0
2-4/0
3-3/0
3-3/0
Positive Low Inductance
600
3/0
4/0
2-2/0
2-3/0
2-4/0
3-3/0
3-4/0
3-4/0
Positive Low Inductance
used for all applications.
700
4/0
2-2/0
2-3/0
2-4/0
3-3/0
3-4/0
3-4/0
4-4/0
Positive High Inductance
used for GTAW (TIG) And
800
4/0
2-2/0
2-3/0
2-4/0
3-4/0
3-4/0
4-4/0
4-4/0
Positive High Inductance
used for GTAW (TIG) And
SMAW (Stick) applications.
900
2-2/0
2-3/0
2-4/0
3-3/0
3-4/0
4-4/0
4-4/0
SMAW (Stick) applications.
1000
2-2/0
2-3/0
2-4/0
3-3/0
4-3/0
4-4/0
1250
2-3/0
2-4/0
3-3/0
4-3/0
4-4/0
*Weld cable size (AWG) is based on either a 4 volts or less drop or a current density of at least 300 circular mils per ampere. Contact your
distributor for the mm
2
equivalent weld cable sizes.
S-0007-E
4-9.
Remote 14 Receptacle And Terminal Strip 1T Information
Socket
Terminal
Information
24 VOLTS AC
A
A
24 volts ac. Protected by circuit breaker CB2.
24 VOLTS AC
B
B
Contact closure to A completes 24 volts ac contactor control circuit.
C
C
Command reference; 0 to +10 volts dc (CC), +10 volts dc (CV).
REMOTE OUTPUT CONTROL
D
D
Remote control circuit common.
E
E
0 to +10 volts dc input command signal from remote control.
F
*
Current feedback; 0 to +10 volts dc, 1 volt per 100 amperes.
H
*
Voltage feedback; 0 to +10 volts dc, 1 volt per 10 arc volts.
115 VOLTS AC
I
I
115 volts, 15 amperes, 60 Hz ac. Protected by circuit breaker CB1.
115 VOLTS AC
J
J
Contact closure to I completes 115 volts ac contactor control circuit.
GND
K
G
K
*
Chassis common.
Circuit common for 24 and 115 volts ac circuits.
REMOTE POWER ON/OFF
*
L
To remote On/Off switch.
REMOTE POWER ON/OFF
*
M
To remote On/Off switch.
REMOTE VOLTAGE SENSING
*
N
Voltage sensing signal from Negative (−) weld output terminal.
REMOTE VOLTAGE SENSING
*
P
Voltage sensing signal from Positive (+) weld output terminal.
* Not Used
Содержание Subarc DC 1250
Страница 38: ...Notes...
