User Manual

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Siemens PXC....D PXC...-E.D + PXA40-… – Automation stations modular series CM1N9222en_17
Smart Infrastructure 2020-12-03
Technical data
General device data
Operating voltage
AC 24 V ± 20% (SELV / PELV) or
AC 24 V class 2 (US)
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 of realtime clock
• Lithium type CR2032 (field replaceable)
Battery operation (cumulative): 10 years
Without load: 10 years
Battery Backup of SDRAM 1x AA:
(field replaceable)
• Lithium Type FR6/AA:
Devices series B and later
• Alkaline: Devices series B
Battery operation (cumulative): min. 2 weeks
Without load: Lithium 10 years
Without load: Alkaline 4 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) *)
Connection cable max. 3 m
Local communication
(HMI, Tool) (RJ45 (E))
• PXM10 (serial)
• PXM20 (BACnet/LonTalk) *)
• FW Download Tool
Connection cable max. 3 m
Local communication
(HMI) (RJ45 (G))
• PXM10 (serial)
Connection cable max. 3 m
• PXM10 (serial)
Connection cable max. 3 m
USB host interface
(Modem)
• RS232 modem (via USB-RS232
adapter PXA-C3)
• RS232 modem (via USB-RS232
adapter 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 )
Protection
Short-circuit proof
Short-circuit proof
*) only ONE PXM20 per automation station