User Manual
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Siemens PXC001 System controllers CM1N9223en_09
Smart Infrastructure 2020-05-30
RS485 interface
Interface type
RS485, (electrically isolated)
Baud rate, data bits / stop bit(s), parity
As for RS232 (depends on software)
Wiring Cable type
Cable length
External Bus termination
Internal bus polarization
Standard RS bus cable
Max. 1200 m
Depending on the bus topology, a
120 Ohm resistor must be connected
externally
47 kOhm pull-up/pull-down resistors
Plug-in screw terminal
Solid or stranded conductors
0.25…2.5 mm2 or 2 x 1.5 mm2
Simple cable lengths, cable
types
Connection cable Ethernet and PXM20-E
Max. 100 m
Cable type
Standard at least CAT5
UTP (Unshielded Twisted Pair)
or STP (Shielded Twisted Pair)
Connection cable LONWORKS bus
See Installation Guide CA110396
Cable type
CAT5
Protection data
Housing Protection standard
IP 20 to EN 60529
Protection class
III to EN 60730-1
Ambient conditions
Normal operation
To IEC 60721-3-3
Environmental conditions
Class 3K5
Temperature
0...50 °C
Humidity
5…95 % r.h. (non-condensing)
Mechanical conditions
Class 3M2
Transport
To IEC 60721-3-2
Environmental conditions
Class 2K3
Temperature
-25…70 °C
Humidity
5…95 % r.h. (non-condensing)
Mechanical conditions
Class 2M2
Standards, directives and
approvals
Product standard EN 60730-1
Automatic electrical controls for
household and similar use
Product family standard EN 50491-x
General requirements for Home and
Building Electronic Systems (HBES)
and Building Automation and Control
Systems (BACS)
Electromagnetic compatibility (Applications)
For use in residential, commerce,
light-industrial and industrial environ-
ments
EU conformity (CE)
CM1T9223xx *)
UL certification (US)
UL916 http://database.ul.com/
RCM-conformity (EMC)
CM1T9222en_C1 *)
Certificate
AMEV: Supports profiles AS-A and AS-B to
AMEV directive "BACnet in public
buildings"
BACnet 2011, V1.1
Environmental compatibility
Product environmental declaration
(contains data on RoHS compliance,
materials composition, packaging,
environmental benefit, disposal)
CM1E9223 *)
Dimensions
See “Dimensions”
Weight
Without / with packaging
PXC001.D, PXC001-E.D
PXA40-RS1, PXA40-RS2
0.635 kg / 0.731 kg
0.048 kg / 0.060 kg
*) The documents can be downloaded from http://siemens.com/bt/download.