Siemens DESIGO PX -U Series - Product Disposal; Technical Specifications; Device & Operating Specifications; Communication Interface Specs

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Building Technologies PXC...-U – Automation stations modular model CA1N9221en
Building Automation 23.09.2005
Disposal
The unit contains electric and electronic components and must not be disposed of with
domestic waste. Lithium battery, printed circuit board and housing must be disposed of
separately
The local and actual regulations must be observed.
Technical data
General device data Operating voltage AC 24 V ± 20 %
Safety extra-low voltage SELV
Protective extra-low voltage PELV HD 384
Frequency 50/60 Hz
Current consumption 4 A
Power consumption PXC64-U 45 VA
PXA-C128-U 95 VA
Internal fuse Thermic, automatic reset
Operating data Processor MOTOROLA Power PC 32 Bit
Memory space FLASH 16 MByte
SDRAM 32 MByte
SRAM 2 MByte
Data backup in case of power failure
Applications, parameter (FLASH) > 10 years
Run-time data (battery) > 4 years (battery)
Ethernet interface Interface type 100BaseTX, IEEE 802.3 compatible
(extension modules Bit rate 10 / 100 Mbit/s, auto-sensing
PXA30.N, PXA30.W…) Protocol BACnet over UDP/IP
Connection RJ45 socket, screened
Wiring Cable type Standard CAT5
UTP (Unshielded Twisted Pair)
or STP (Shielded Twisted Pair)
Cable length Max. 100m
LON bus interface Network TP/FT-10
Baud rate 78 kBit/s
Protocol BACnet
Interface chip Echelon Processor TMPN3150B1AF
Wiring Cable type
2-core, twisted pair, unscreened
Cable length
Max. 450 m in free topology
Max. 900 m in serial topology
Serial interface
Interface type RS232
Baud rate / Data bits / Stop bit 57 600 bps / 8 / 1
Parity / Flow control
None / None
Wiring Cable type 9-core standard screened cable
Cable length Max. 3m
P-bus interface Polling cycle at I/O modules 0.3 s
Transmission speed 62.5 kBaud
Signal level DC +23 V and 0/–5 V
Wiring Cross-section Min. 3 x 0.75 mm
2
Cable length Max. 50 m
Cable length (special requirements) Max. 200 m
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