LORCH P-Basic - Pc-Board PP90 R

Pc-Boards
- 22 - 02.20909.2710.1-06
7.3 Pc-board PP90R
The pc-board PP90R is an analog control PCB for a PushPull torch. It is optional and can be retrofitted into
existing, compact machines and wire feeders. It is connected to the pc-board DMR.
Functions
– supply for PushPull motor
Meauring points
designation
measuring
point
result
supply voltage X1-2
X1-5
~
~
42V AC
motor supply X1-1
X1-4
+
-
+60V DC
relay voltage X1-6
X1-7
+
-
+24V DC
Tab. 10: Measuring points PP90R
Picture pc-board PP90R
R2
GLR1
X1
RE1
C1
R1
650.6271.0 PP-90R RP87/2
D0000139-00
1
7
Fig. 9: Pc-board PP90R
Schematic
M
X1-7
X1-6
X1-2
X1-5
X1-3
X1-1
X1-4
PP90R
DMR
X7-1
X7-3
X7-2
X7-4
Fig. 10: Schematic PP90R