HBS CDM 3201, Operating Manual, Page: 44 / 94

44 CDM 3201 Order No. BA 92-12-3321A Issue 19.09.08
‹ Connect the air pressure supply to the air pressure intake of the power unit
(6 bar/800 l/min.)
‹
Connect the control sleeve of the feeding unit (front side) to the control sleeve of
the power unit (rear side).
Feeding unit External control
5.7.2 External Welding Start
To integrate the power unit into a PLC stud welding system, an additional external
welding start is provided at the rear side of the power unit (control sleeve 4 poles, Pin 2;
3). The input is designed for 24 V DC control units (signal duration min. 200 ms).
External welding start:
Minimum switch current
I
min
= 10 mA (min. 22 V)
I
max
= 20 mA
A welding start can also be effected via the welding gun control plug at the front of the
power unit (Pin 3; 4).
For a welding start
short-circuit Pin 3; 4 for at least
100 ms.
Power unit
5 Stud Welding Procedure
5.7 Welding Procedure