OM-244 324 Page 7
2-2. Miscellaneous Symbols And Definitions
A
Amperes
Panel
−
Local
Gas Tungsten Arc
Welding (GTAW)
Shielded Metal Arc
Welding (SMAW)
V
Volts
Voltage Input
3 Phase Static Frequency
Converter-Transformer-Rectifier
Voltage Output
Circuit Breaker
Remote
Lift-Arc Start
(GTAW)
Protective Earth
(Ground)
Postflow Timer
Preflow Timer
S
Seconds
On
Off
Positive
Negative
Alternating
Current
Gas Input
Gas Output
I
2
Rated Welding
Current
X
Duty Cycle
Direct Current
Line Connection
U
2
Conventional Load
Voltage
U
1
Primary Voltage
IP
Degree Of
Protection
I
1max
Rated Maximum
Supply Current
I
1eff
Maximum Effective
Supply Current
U
0
Rated No Load
Voltage (Average)
Pulse Background
Amperage
Initial Amperage
Increase/Decrease
Of Quantity
Normal Trigger Op-
eration (GTAW)
Two-Step Trigger
Operation (GTAW)
Four-Step Trigger
Operation (GTAW)
Percent
Hz
Hertz
Recall From
Memory
Arc Force (DIG)
HF Impulse Start-
ing (GTAW)
Final Slope
Final Amperage
Pulse Percent
On Time
Initial Slope
Contactor Control
(Stick)
Pulser On-Off
TIG Weld Amps
And Peak Amps
While Pulsing
Pulse Frequency
Background Amps
Process
Pulser
Sequence
Output
Adjust
S
Suitable For Areas
Of Increased
Shock Hazard