User Manual

Eth
ernet interface
Network
10Base
-T/100Base-TX, with built-in
auto-sensing
Cable
Min. Cat 5, shielded if >3m
PHY
Auto-MDI/MDIX crossover correction
Power supply via Ethernet connection
Supports POE (Power Over Ethernet)
to IEE 802.3af
Green LED
Ethernet Link OK
Orange LED
Ethernet Signal TX
Protocol
BACnet over IP
Buzzer
Noise level at 10 cm distance
Min. 85dBA
Frequency
2300 ± 300 Hz
Mounting options
For control panel mounting, remote operating panels, etc.
DIN rail mounting
Direct on modular automation stations
Connections
see page 8
Housing protection standard
Protection standard to EN 60529
IP 40 (built-in), else IP 30
Protection class
Insulation 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
20 ... 60 °C
1)
Humidity
< 85 % 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 e
nvironmental declaration
contains data on environmentally compatible
pro
duct design and assessments (RoHS
compliance, materials composition, packaging,
environmental benefit, disposal)
CA1E923
4 *)
*) 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 + screws
514 g / 568 g
7/8
Siemens Operator unit PXM20-E CM1N9234en_4
Building Technologies 2015-01-06