Product Overview

Diagrams
Block diagram of the
signal converter
Position transduce
r
Position feedback electronics w
ith base/span adjustment
E Phase cut converter R Input resistor
G Bridge rectifier T Voltage / current converter
M Magnetic valve U Position / voltage converter
Q Phase cut output V Differential amplifier
LS System potential AC 24 V Input
NS System neutral
Output
LS System potential AC 24 V
NS System neutral AC 24 V
DC 0…10 V Positioning signal Y
DC 0…10 V Position feedback signal
4…20 mA Positioning signal Y
2
LS
NS
DC
0...10 V
DC
0...10 V
4...20 mA
TE
AC
24 V
1
3
4
5
6
Earthing
Connection te
rminals
Connection d
iagrams
War
ning
If the controller and the valves receive their power supply from separate sources, the
valve transformer must not be earthed on the secondary side.
Co
ntrollers with DC
0…10 V positioning
signal
Common Transformer Separate Transformer
Co
ntrollers with DC
4…20 mA positioning
signal
Common Transformer
Separate Transformer
U
Indication of valve position (only if required). DC 0 ...10 V → 0...100 % volumetric flow V
100
8/10
Siemens Modulating control valves with magnetic actuator, PN16 CA1N4454en
Building Technologies 24.04.2012