Siemens DESIGO PX Series - Technical Specifications; General and Operating Data; Communication Interfaces

Technical data
General device data
Operating voltage
AC 24 V ± 20%
Rated voltage
AC 24 V
Safety extra-low voltage SELV or
Extra-low voltage PELV
HD 384
Operating frequency
50/60 Hz
Energy consumption
Max. 3.5 VA
External fusing (compulsory)
External fuse protection for secondary
current: Slow blow fusible link Max. 10
A,
circuit breaker Max. 13 A type C, or
transformer with secondary current
limitation of max. 10 A
Operating data
Processor
Motorola Power PC MPC885
Storage
64MB SDRAM / 32MB FLASH
(96MB total)
Data backup in event of power failure
Battery Backup of realtime clock
Lithium CR2032 (field replaceable)
Battery operation (cumulative): 1 month
Without load: 10 years
Battery backup for SDRAM
1 x FR6/AA Lithium (field replaceable)
Battery operation (cumulative): 1 month
Without load: 10 years
Interfaces, communication
PXC001.D PXC001-E.D
Building Level Network
LonWorks FT5000 Transceiver
Twisted Pair, 78 kBit/s
(Screw terminals)
BACnet on UDP/IP
IEEE802.3, Auto-sensing
10 Base-T / 100 Base-TX
(RJ45, shielded)
Local Communication
(HMI, Tool)
• PXM10 (RS232)
• PXM20 (BACnet/LonTalk, RJ45)
•
Tool (RJ45)
--
Local Communication
(HMI)
• PXM10 (RS232)
• PXM20 (BACnet/LonTalk) (RJ45)
• PXM10 (RS232)
One PXM10 operator unit and one
PXM20 per system controller may be
connected. But not twice the same
type.
One PXM10 on RJ45
KNX Tool-Interface
RJ45
CE+, CE–
KNX bus
Interface type
KNX (electrically isolated)
Transceiver
TP-UART
Bus current
5 mA
Baud rate
9.6 kbit/s
Bus topology, bus termination
Refer to KNX manual
RS232 interface
Baud rate
300, 600, 1200, 2400, 4800, 9600,
19200, 38400
(depends on software)
Data bits
7 or 8 (depending on software)
Stop bits
1 or 2 (depending on software)
Parity
None, even or odd
(depending on software)
Flow control
Xon/Xoff, hardware or none
(depending on software)
Cable type
Cable length
9-core standard screened cable
Max. 3 m
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Siemens PXC001 System controllers CM1N9223en_01
Building Technologies 2014-04-04