Operating Principle; Overview Circuit Diagram - Siemens 7KG6106 Operating Instructions Manual

4 Operating principle

The transformer (1) transfers the input signal I
Direct voltage converter (2) which drives the output amplifier (4) via the expansion
circuit (3). Fed by the auxiliary source (6), the output amplifier provides load-
independent current I
value I or U . The protective circuit (5) protects the output against no-load and
E A
transient overvoltage.

5 Overview circuit diagram

1 Transformer
2 RMS direct voltage converter
3 Expansion circuit
4 Output amplifier
5 Protective circuit
6 Auxiliary power
or load-independent voltage U
A
SIMEAS-T - Transducer with auxiliary power
or U to the effective value
E E
proportional to the input
A
9