Setup
2-3
1070 080 059-101 (2001.04) GB
U1
V1
V2
Mediumfre
quency inverter
U2
Welding transformer
Stop circuit
24VDC supply
external
device
Shunt trip
Pressure
type-specific
I/O interface
Field bus module
for
programming
Quality module
6-pulse bridge rectifier
with direct current link
circuit and transistor in-
verter
W1
PE
Weld timer (CPU)
Power
supply
Control
Temperature
message
Current mea-
surement
Block diagram of a medium-frequency inverter
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