4.3.3
Connector CN3.
External signals.
PIN
SIGNAL
Pilot Arc
1
+12V ISO
2
Welding
3
+12V ISO
4
N.U.
5
N.U.
6
Pilot Arc On (c)
7
Pilot Arc On (no)
8
Plasma Flow set point (+) Plasma gas setpoint.
9
Plasma Flow set point (-)
10
Analog input IN1(+)
11
EN
Analog input IN1(-)
12
N.U.
13
N.U.
14
(*) NOTE
This analog input is a function of dip switch SW2-2 on panel board pos.15 of console PW30.
4.3.4
CN4 connector.
Not used
4.3.5
CN5 connector.
Not used
4.3.6
CN6 connector.
Reserved (RS232).
38/48
TYPE
Pilot arc digital input
clean contact 12 Vdc 10mA.
Welding digital input
clean contact 12 Vdc 10mA
Not used
Digital output.
clean contact: 30Vdc /125Vac, 0.5A
max.
Analog input 0-10V,
input impedance 20 KΩ
Plasma gas reference earth
Analog setpoint IN1(*)
Analog input 0-10V, input impedance
20 kΩ.
Reference earth IN1
SW2-2
OFF
ON
Analog IN1
Pilot arc current
Shield gas flow
3301069/A