User Manual

5 / 6
Siemens Modulating pilot valve, PN 32 CA2N4731en
Building Technologies 2018-02-06
Pressure Equipment Directive
PED 2014/68/EU
Pressure Accessories Scope: Article 1, section 1
Definitions: Article 2, section 5
Fluid group 2 without CE-marking as per article 4, sec-
tion 3 (sound engineering practice)
Environmental compatibility
Environmental Declaration
contains data on environmental-
compatible product design and assess-
ment (RoHS compliance, compositions,
packaging, environmental benefits and
disposal).
General
environmental conditions
Operation
EN 60721-3-3
Transport
EN 60721-3-2
Storage
EN 60721-3-1
Climatic conditions Class 3K6 Class 2K3 Class 1K3
Temperature -40…50 °C –25...70 °C –5...45 °C
Humidity
10...100 % r. h. < 95 % r. h. 5...95 % r. h.
Connection terminals
If a ZM../A terminal housing is used with DC 0...20 V Phs (phase cut), AC 24 V
must not be connected!
Always switch off the power supply before connecting or disconnecting the ZM...
terminal housing.
1
2
3
4
5
6
~
~
–
+
–
+
Supply
AC 24 V
Positioning signal
DC 0...10 V
DC 0...20 V Phs (phase cut)
DC 0...20 V Phs
~
~
–
+
–
+
Supply
AC 24 V
Positioning signal
DC 4...20 mA
DC 0...20 V Phs (phase cut)
ZM101/A
(DC 0...10 V or DC 0...20 V Phs)
ZM121/A
(DC 4...20 mA oder DC 0...20 V Phs)
4721Z03en
twisted
pairs
ZM111
(DC 0...20 V Phs)
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
Connection diagrams
Refer to data sheet N4591 for the ZM.. terminal housings
Attention