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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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Summary of Contents for DESIGO PX -U Series

Page 1: ...nd system functions alarm management time scheduling trends remote management access protection etc An Integrated Web server supports generic or graphic Web operation as well as transmission of alarms by e mail or SMS P bus for connection of external PTM I O modules with any data point mix 64 or 128 load units per automation station Integration platform for subsystems and 3rd party systems For sta...

Page 2: ...l function blocks available in libraries are graphically linked with the plant operating programs Communication is via Ethernet with the international standard BACnet protocol Both peer to peer communications with other automation stations and connections to the PXM20 E operator units are supported The devices communicate via an open LonTalk system in accordance with the inter national standard BA...

Page 3: ...hernet RJ45 1 X X Web Functions Generic web functions X X Graphic web functions X Send alarms via SMS RS232 X X Send alarms via E Mail RJ45 X X 1 Per PXC or PXA30 W either the PTP or the PPP function is possible configurable Extension modules for the integration of subsystems Module Function PXA30 K11 PXA30 RS Data sheet N9280 N9281 Interfaces KNX interface X Ethernet RJ45 X Serial RS232 X Seral R...

Page 4: ...le PXM20 E operator unit BACnet IP for operation of the local automation station or an automation station in a network either plugged into the automation station or connected to the Ethernet network or an Ethernet switch PX WEB The PXA30 W extension module is used to activate the Web server allowing operation with a Web browser a touch panel or a PDA The transfer of alarms via SMS or e mail can be...

Page 5: ...rator unit can be fitted instead of the front cover 3 Battery 4 5 Extension modules 6 Device socket 7 Plug in connection for automation station for device supply and bus electronics 8 Housing with pcb for device supply 9 Plug in terminal blocks with reversible support bar here used for wall mounting 00256 A COM2 COM1 RUN STA INFO TX SERVICE TX SERVICE Service pin LED indicators ...

Page 6: ...COM2 Red Continuously off Flashing slowly Continuously on Ethernet OK IP address not configured No link pulse Wink command rhythm pattern 2s 1s 21s 5 Hz 5 Hz 00408 2s 1s Mounting instructions The modular automation stations are particularly suitable for control panel front mounting as well as flush panel and wall mounting For control panel front mounting the device socket is held in place by clamp...

Page 7: ...e 4 or send a wink command to the relevant automation station service LED flashes Three service buttons are provide under the front cover A Force Firmware Download Connected to LON Bus If this key is pressed during a restart Power fail the current D MAP program is deleted from the FLASH The automation station waits a short while for the signal to activate the FWLoader and then starts the automatio...

Page 8: ...H 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...

Page 9: ...tandard Protection standard to EN 60529 IP 30 Protection class Isolation protection class II Ambient conditions Operation Class 3K5 to IEC 721 Temperature 0 50 C Humidity 85 rh Transport Class 2K3 to IEC 721 Temperature 25 65 C Humidity 95 rh Industry standards Meets all requirements for B AAC BACnet Implementation Conformance Statement PICS Product safety Automatic electronic controls for househo...

Page 10: ...ocket on front cover for PXM10 PXM20 operator unit or DESIGO TOOLSET The PXA C128 U includes a second P bus Terminals P bus 1 PD1 PU1 and PC1 Terminals P bus 2 PD2 PU2 and PC2 The automation station PXC00 U does not have an active P Bus interface Standard RJ45 tool socket for LON devices 1 3206Z01 2 3 45 67 8 1 LON Data A CLA 2 LON Data B CLB 3 G0 GND 4 G Plus 5 Unoccupied 6 Unoccupied 7 COM1 TxD ...

Page 11: ...1 138 109 27 136 min 80 mm 00232 K 17 55 min 100 mm min 40 mm 15 PXM 24 22 5 2 5 For PXM20 E only This hole is required for the Ethernet cable when an operator unit PXM20 E is moun ted on top of the automation station 150 137 109 136 min 80 mm 00233 K 17 55 5 2 124 5 81 22 7 40 7 18 14 5 210 min 100 mm min 40 mm 27 15 PXM Front mounting Wall mounting ...

Page 12: ...12 12 Building Technologies PXC U Automation stations modular model CA1N9221en Building Automation 23 09 2005 2005 Siemens Schweiz AG Änderungen vorbehalten ...

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