Adjustment Functions - Bosch PSU 5000 Series Instructions For Assembly And Operation Manual

9

Adjustment functions

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PSU 5000 / PSG 3000
Instructions for Assembly and Operation
ATTENTION!
Danger of personal injury and of damage to property through false settings!
!
The functions described below serve to adjust the inverter to the PSG used as well
as to certain timer functions.
Modifications are re served to the Bosch service department or to technical person-
nel authorized by Bosch.
The following functions are included in the inverter:
-- Adjustment to the welding transformer used
-- Diode change--over
-- Selection of firing mode (5 kHz firing pulse or analog signal, for a description of
these options cf. Section 8)
-- Adjustment to timers with/without SSU function
-- Ramp time constant
-- Transformer change--over board
The following partial view of the inverter indicates only those elements which are
relevant for the functions mentioned above.
S1
S2
S3
Behind the cover:
Measuring points,
internal DIP switch banks S1, S2, S3 and
slot for future options
Adjustment to welding transformer in use with
switches 1- -5 of DIP switch bank S1
Diode change- -over with switches 6- -7 of DIP
switch bank S1
Change- -over of control mode with switch 8 of
DIP switch bank S1
Adjustment to timers with/without SSU function
with switch 1 of DIP switch bank S2
Change- -over of current range with switches 2- -4
of DIP switch bank S2
Setting the time constant for current control
(overshoot attenuation or controller accelera-
tion)
Adjustment
functions
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