Unitary Equipment Controller Specifications - Siemens PXC-16 Compact Technical Reference Manual

Dimensions (L × W × D)
PXC Unitary Equipment Controller, 16
point, BACnet MS/TP
PXC Unitary Equipment Controller, 24
point, BACnet MS/TP
DIN rail (EN 60715 TH 35-7.5, steel)
Processor, Battery, and Memory
Processor and Clock Speed
Memory
Serial EEPROM
Battery backup of Synchronous Dynamic
(SD) RAM (field replaceable)
Battery backup of Real Time Clock
BACnet MS/TP Automation Level Network
(ALN)
BACnet MS/TP Field Level Network (FLN)
Human-Machine Interface (HMI)
USB Device port (for non-smoke control
applications only)
Prior to June 2013
USB Host port (for ancillary smoke control
applications only).
Prior to June 2013
Siemens Industry, Inc.
Building Technologies

Unitary Equipment Controller Specifications

Rooftop (Extended Temperature) Models:
Three wire, full-duplex, asynchronous serial RS-232 compliant, 1200 bps to 115.2 Kbps, 8-N-
1, no hardware flow control (Xon/Xoff supported). RJ-45 jack, 50 ft (16 m) max. cable length.
NOTE: See the Configuration and Sizing Guidelines
USB 1.0 (1.5 Mbps), 1.1 (12 Mbps), and 2.0 (480 Mbps), Type A female connector.
Configuration and Sizing Guidelines
NOTE: See the
Technical Reference Manual
Restricted
Unitary Equipment Controller
24 MB (16 MB SDRAM, 8 MB Flash ROM)
AA (LR6) 1.5 Volt Alkaline (non-rechargeable)
Typical Accumulated Battery Life of Compact UEC:
16MB SDRAM Std (alkaline): 180 days
AA (LR6) 3.6 Volt Lithium (non-rechargeable) 330
10 years (32°F to 122°F (0°C to 50°C))
9600 bps to 115.2 Kbps, up to 10 nodes per MS/TP ALN
Factory-set HMI Communication Speed
USB 1.1 (12 Mbps) and 2.0 (480 Mbps), Type B female connector.
Self-powered, does not use or supply USB power.
USB 1.0 (1.5 Mbps) and 1.1 (12 Mbps).
documentation for supported speeds per
USB 1.0 (1.5 Mbps) and 1.1 (12 Mbps), Type A female connector.
documentation for supported speeds per
Hardware Features
10.7" × 5.9" × 2.45"
(272 mm × 150 mm × 62 mm)
10.7" × 5.9" × 2.45"
(272 mm × 150 mm × 62 mm)
1.38" × 0.30" × 0.04"
(35 mm × 7.5 mm × 1 mm)
Freescale MPC852T, 100 MHz
4 KB
180 days (accumulated)
days (accumulated)
Coin cell (BR2032) 3 Volt lithium
9600 bps to 115.2 Kbps
Supports dial-in modem.
9600 bps
controller model.
USB unit loads (5V, 500 mA).
controller model..
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2018-09-25