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5F., No. 55, Ln. 236, Nanshan Rd., Zhonghe Dist., New Taipei City 235048 , Taiwan (R.O.C.)
Tel: 886-02-22260770
Fax: 886-02-32342358
Siemens DDC system
Model: PXC series
Category: Automatic/Industrial Machines & Equipments / Automated Machinery & Equipments / Automatic Control Systems
Characteristics
System controller to integrate BACnet MS/TP and Modbus devices
Communication BACnet/IP (BTL certified)
2-port Ethernet switch for low-cost cabling
Integration of Modbus data points via RTU and/or TCP
Integration of BACnet MS/TP devices
WLAN interface for engineering and commissioning
Operating voltage AC 24 V
Specifications
Power supply
Operating voltage (24 V~, ⏊, )G
AC 24 V -15 / +20 % (SELV / PELV) or
AC 24 V Class 2 (US)
48…63 Hz
Functional ground (US) Functional earth
The terminal for the functional ground must be
connected on the installation side with the building
grounding system (PE).
Screw terminals for wire cross sections up to GMax. 2.5 mm2 (14 AWG)
Internal fusingG3.15 A irreversible / non-replaceable
External supply line fusing (EU)GNon-renewable fuse max. 10 A slow-blow or
circuit breaker max. 13 A Tripping characteristic B, C, D per EN 60898 or
Power supply with current limitation of max. 10 A
Power consumption (for transformer planning)
Base load With M-Bus, with KNX
12 VA / 0.5 A
19 VA / 0.8 A
Function data
Hardware information
Processor NXP i.MX8 DualX, 1 GHz
Storage 1 GByte RAM
8 GByte eMMC
Data backup in the event of power failureG
Energy reserve (Supercap) to support real-time clock (7 days).
Energy reserve can be extended to min. 1 month using optional battery CR2032
(Battery safety requirement and specification for CR2032 according to IEC 60086-4 or UL1642.
Battery must be rated for ambient temperature 70 °C (158 °F))
Data available if stored to flash memory. Occurs every 5 minutes.
Interfaces
Ethernet interface
PlugG2 x RJ45, shielded
Interface typeG10Base-T / 100Base-TX, IEEE 802.3 compatible
Bit rateG10/100 Mbps, autosensing
ProtocolGBACnet on UDP/IP and HTTPS on TCP/IP
Cabling (in-house cabling only), cable typeG10 Mbps: Min. CAT3, shielded cable is recommended
100 Mbps: Min. CAT5, shielded cable is recommended
Cable lengthGMax. 100 m (330 ft)
Screw terminals, plug-in
Cu-wire or Cu-strand with wire end sleeveG1 x 0.6 mm ∅ to 2.5 mm2 (22 to 14 AWG)
or 2 x 0.6 mm ∅ to 1.0 mm2 (22 to 18 AWG)
Cu-strand without wire end sleeveG1 x 0.6 mm ∅ to 2.5 mm2 (22 to 14 AWG)
or 2 x 0.6 mm ∅ to 1.5 mm2 (22 to 16 AWG)
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