Fronius RCU 5000i Operating Instructions & Spare Parts page 116

Fact-f-control (p)
Effect of deviations [%] on the frequency (0 - 50)
Fact-I_b-correction
Effect of arc length correction [%] on the base current (0 - 50)
Fact-I_p1-correction
Effect of arc length correction [%] on the pulsing current (0 - 50)
Fact-f-correction
Effect of arc length correction [%] on the frequency (0 - 50)
The factors Fact-I_b correction, Fact-I_p1 correction and Fact-f correction enable arc
length correction at a constant current.
Control parameters
(1)
(2)
(3)
116
I (A)
(1)
I (A)
I (A)
I (A)
(5)
Pulse current
Ground current
Fact-I_p1 control (pi)
(3)
(4)
(6)
(4) Fact-I_b control (pi)
(5) Frequency = 1/t
(6) Fact-f control (p)
(2)
t (s)
t (s)
t (s)
t (s)