Data Sheet for Product

11/14
Siem ens Modulating control valves with magnetic actuators, PN 16 CE2N4461en
Building Technologies 2018-02-05
Connection diagrams
If controller and valve receive their power from separate sources, only one
transformer may be earthed on the secondary side.
In case of DC power supply, a 4-wire connection is mandatory!
Common Transformer Separate Transformer
G
U
G
–
U
G
–
Common Transformer Separate Transformer
G
U
G
–
U
G
–
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.
Piping must be connected to potential earth!
Caution
Caution
Terminal assignment
for controller with
4-wire connection
(to be preferred!).
DC 0...10 V
DC 2...10 V
DC 0...20 mA
DC 4...20 mA
Terminal assignment
for controller with
3-wire connection
DC 0...10 V
DC 2...10 V
DC 0...20 mA
DC 4...20 mA
Warning