Brochure

General
environmental conditions
Operation
EN 60721-3-3
Transport
EN 60721-3-2
Storage
EN 60721-3-1
MX..461.., MX..461..P Climatic conditions Class 3K5 Class 2K3 Class 1K3
Temperature -5...+45 °C -25...+70 °C -5...+45 °C
Humidity
5...95 % r.h. 5...95 % r.h. 5...95 % r.h.
Mechanical conditions
EN 60721-3-6
Class 6M2
EN 60721-3-3 EN 60721-2 EN 60721-2
MX..461..P Mechanically active substances
Class 2M2 Class 2M2
Biological requirements
Class 3B2
Chemically active substances
Class 3C1
Mechanically active substances
Class 3M2
Connection terminals
System neutral
AC 24 V operating
voltage
System potential
Positioning signal
DC 0...10 V / 2...10 V / 4...20 mA
Measuring neutral (= G0)
Position feedback signal
DC 0...10 V
Force control input
R = Inner resistance between G0 and YM, approx 10 kΩ
Connection diagrams
Caution
If controller and valve receive their pow
er from separate sources, only one
transformer may be earthed on the secondary side.
Common transformer Separate transformer
Terminal assi
gnment
for controller with
4-wire connection
(to be preferred!)
Common transformer
U
Indication of valve position (only if required). DC 0 ...10 V → 0...100 % volumetric flow V
100
Twisted pairs. If the lines for AC 24 V power supply and the DC 0...10 V (DC 2...10 V,
DC 4... 20 mA) positioning signal are routed separately, the AC 24 V line need not be twisted.
Terminal assi
gnment
for controller with
3-wire connection
11/14
Siemens Modulating control valves with magnetic actuators, PN16 CA1N4455en
Building Technologies 2012-10-23