Siemens PXA40-W2 User Manual

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Siemens PXC....D PXC...-E.D + PXA40-… – Automation stations modular series CM1N9222en_03
Building Technologies 16 Mar 2010
Technical data
General device data Operating voltage AC 24 V ± 20%
Safety extra-low voltage SELV or
Extra-low voltage PELV
HD 384
Operating frequency 50/60 Hz
Energy consumption Max. 24 VA (same for all types)
Internal fuse 5 A
Operating data Processor Motorola Power PC MPC885
Storage 64MB SDRAM / 32MB FLASH
(96MB total)
Accuracy class 0.5
Data backup in event of power failure
Battery backup for SDRAM
1 x AA alkaline (replaced on plant)
Typically one month
(unused: 4 years)
Battery backup for real-time clock
Lithium (replaced on plant)
10 years
Communication interfaces PXC....D PXC...-E.D
Building Level Network LONWORKS FTT Transceiver
(screw terminals (B))
10 Base-T / 100 Base-TX
IEEE802.3, Auto-sensing
(RJ45 (D))
Local communication
(HMI) (RJ45 (C))
 PXM20 (BACnet/LonTalk) *)
Local communication
(HMI, Tool) (RJ45 (E))
 PXM10 (serial)
 PXM20 (BACnet/LonTalk) *)
 Tool
Connection cable max. 3 meters
Local communication
(HMI) (RJ45 (G))
 PXM10 (serial)  PXM10 (serial)
USB host interface
(Modem)
 RS232 modem (via USB-RS232
adapter cable PXA-C3)
 RS232 modem (via USB-RS232
adapter cable PXA-C3)
USB device interface (for future applications) (for future applications)
Ethernet interface
Interface type 100BaseTX, IEEE 802.3 compatible
Bit rate 10 / 100 MBit/s, autosensing
Protocol BACnet on UDP/IP
Pin RJ45 socket, screened
LONWORKS bus interface
Network
TP/FT-10
Baud rate
78 kBit/s
Protocol
BACnet
Interface chip Echelon Processor TMPN3150B1AF
Island bus interface
(CD, CS )
Short-circuit proof Short-circuit proof
*) only ONE PXM20 per automation station

Siemens PXA40-W2 Specifications

General

Brand	Siemens
Model	PXA40-W2
Category	Control Unit
Language	English