User Manual

Mounting options
– For control panel mounting, remote operating panels, etc.
– DIN rails
– Direct on modular automation stations
Connections
See page 7
Housing protection standard
Protection standard to EN 60529
IP 40 (built-in), else IP30
Protection class
Isolation protection class
III
Ambient conditions
Operation
Class 3K5 to IEC 721
Temperature
0 ... 45 °C
Humidity
< 85 % rh
Transport
Class 2K3 to IEC 721
Temperature
– 25 ... 65 °C
Humidity
< 95 % rh
Standards, directives and
approvals
Product standard
Automatic electronic controls for
household and similar use
EN 60730
-1
Ele
ctromagnetic compatibility (EMC)
(area of use)
For residential and industrial
environments
EU conformity (CE)
CM1T9231xx *)
UL approbation
UL 916, http://ul.com/database
Environmental compatibility
The product environmental declaration
contains data on environmentally compatible
pro
duct design and assessments (RoHS
compliance, ma
terials composition, packaging,
environmental benefit, disposal)
CA1E9231 *)
*) The documents can be downloaded from http://siemens.com/bt/download.
Dimensions
117 x 210 x 37 mm (H x W x D)
See “Dimensions”, page 8
Weight
Without / with packaging + accessories
508 g / 566 g
Connections
00264
RJ45 socket
for service tool
PIN allocation
1
LON A
2
LON B
3
G0,GND
4
NC
5
NC
6
NC
7
TXD
8
RXD
00266
RJ45 socket
for Desigo PX
PIN allocation
1
LON A
2
LON B
3
G0,GND
4
G, Plus
5
NC
6
NC
7
RXD
8
TXD
00265
Plug-in connection for
modular automation stations PXC…-U
7/8
Siemens Operator unit PXM20 CA1N9231en_04
Building Technologies 2015-01-06