Section 3 − Installation; Gun Recommendation Table; Equipment Connection Diagrams; 14-Pin Plug Information - Miller Electric ST 44 Series Owner's Manual

3-1. Gun Recommendation Table

Process
GMAW − Hard or Corded Wires
FCAW − Self-Shielding Wires

3-2. Equipment Connection Diagrams

1

3-3. 14-Pin Plug Information

J J A A
K K
I I
B
N N L L C C
H H
M M D D
G G
E
F
*The remaining pins are not used.

3-4. Specifications

Type of Input Welding Power
Power Source Type
24 Volts AC Single Constant Voltage
Phase (CV) DC with 14
5 Amperes 50/60 pin and Contactor
Hz Control
SECTION 3 − INSTALLATION
Gun
M25 Or M40
GA-40GL
2
Pin*
A 24 volts ac with respect to pin G.
B Contact closure to A completes 24 volts ac contactor control circuit.
G Circuit common for 24 volts AC circuit.
C +10 volts dc output to remote control with respect to pin D.
D Remote control circuit common.
E 0 to +10 volts dc input command signal from remote control with respect to pin D.
H Voltage feedback; 0 to 10 volts dc, 1 V/10 arc volts
Wire Feed
Diameter
Speed Range
0.6 to 2.0 mm
(0.23 to 5/64 in)
0 to 20 mpm
(0 to 788 ipm)
Max Spool Weight:
15 kg (33.0 lb.)
Pin Information
Wire
Welding
Circuit Rating
Range
100 Volts,
500 Amperes,
100%
Duty Cycle
1 CV Welding Power Source with
14 pin Amphenol Receptacle
2 Interconnecting Control Cord
(Required)
3 Weld Cable (Required)
4 Work
4
3
Ref. S-0004-A
Overall
Weight
Dimensions
Length: 650 mm
ST 44 Series &
(25.5 in)
ST Blu Fab
Width: 220 mm
(22.0 kg (48 lbs)
(8.65 in)
ST 44 Ultra-Lite
Height: 420 mm
15.0 kg (33 lbs)
(16.5 in)
OM-216 655 Page 7