Operating Instructions

Chapter 2—Hardware Features
PXC Compact on P1
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Siemens Industry, Inc.
Owner's Manual
553-104
Building Technologies
2018-10-01
● Only visible to the Web Server when defined as a FLN device.
● Operates on the FLN without replication.
● Cannot be programmed from an ALN device, if added as an FLN device.
● Recognized as a Siemens device.
● Exposes application number and default subpoint.
● Supports failure detection of the UEC by other nodes.
● Limited support of failure detection of other nodes by the UEC, only when defined
as a node of interest.
● No global data such as BLN User account or State Text tables support.
● No database upload and download from Insight but database can be saved in
panel flash memory.
● Proprietary messages generated using HMI are processed as usual.
● Proprietary messages received using comm port from Commissioning Tool (CT)
processed as usual.
● Save, upload and download database information using Field Panel Web Server UI
(FPWeb UI)and Siemens Launch Pad.
● PPCL Assist for programming over the network using FPWeb UI and Siemens
Launch Pad.
● Field panel support for FIN Builder graphics with Firmware Revision 3.3.1 and later.
● Support for totalization for analog and multistate points with Firmware Revision 3.4
and later.
ALN Node Mode
When the UEC is operating in ALNnode mode, it retains the capability to monitor points
from other devices and recognizes the point by system name, device specific name, or
BACnet encoded name.
All functions depending on the exchange of proprietary messages, such as discovery,
replication, and database download, are available. System name, device specific name
and BACnet encoded names are supported for referencing external objects.
● Only visible to Commissioning Tool (CT) for editing and commissioning when
defined as ALN device.
● Time is synchronized with the Insight workstation.
● In the event of a network failure, the UEC independently maintains control of the
time and scheduling, trending, and alarming.
● An Integration FLN, with Integration Driver support for FPWeb allows FLNs to be
viewed and modified from FPWeb UI in Kiosk mod.
Unitary Equipment Controller Specifications
Dimensions (L × W × D)
PXC Unitary Equipment Controller, 16
point, BACnet MS/TP
10.7" × 5.9" × 2.45"
(272 mm × 150 mm × 62 mm)
PXC Unitary Equipment Controller, 24
point, BACnet MS/TP
10.7" × 5.9" × 2.45"
(272 mm × 150 mm × 62 mm)
DIN rail (EN 60715 TH 35-7.5, steel)
1.38" × 0.30" × 0.04"
(35 mm × 7.5 mm × 1 mm)