Connection Between Psu And Psg - Bosch PSU 5000 Series Instructions For Assembly And Operation Manual

Connection

11.5 Connection between PSU and PSG

X11
1
2
3
4
5
6
PSU
1)
A suitable sensory
mechanism can be
connected to pins 5
and 6 for electrode
voltage feedback in
the event of closed- -
loop power control.
11--10
PSU 5000 / PSG 3000
Instructions for Assembly and Operation
white
brown
green
yellow
1)
Connecting cable: 2 x 2 x
2
0.75 mm shielded LiYCY
The cable and the 12- -pole
mating connector are not in-
cluded in the delivery! For
part no., see section 14.
Brush leads approx. 150 mm long.
The connector makes, if any, are
customer- -specific and are available
as accessories.
WARNING!
Danger through electrical voltage!
!
The protective earth for the negative pole of the PSG can be interrupted by opening
the protective earth conductor connection at the PSG (see MPE point in diagram
above). In order to protect the operating personnel against dangerous electrical
voltages in the event of a break--down of the transformer primary side to the secon-
dary side, in this case, a suitable protective measure pursuant to DIN 57 113,
VDE 0113 is to be provided (e.g. by earthing the welding gun)! In addition, the
transformer is to be marked accordingly (see also dimension drawing of the trans-
former, Section 10.2).
to the electrodes
- -
3 thermostatic
switches connected
in series
black
yellow
white
current sensor
brown
PSG
U
to PSU power feeders
(cf. Section 11.3)
+
MPE
V
1070 078 224- -109