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
Default Mapping
For each type of PXC Compact (16, 24 and 36) that supports HOA and each HOA unit
(8, 16 rooftop or 16 non-rooftop UL 864), there is a default mapping between each
button and physical point.
The default mapping provides Plug-and-Play functionality. Upon connection of the
HOA Upgrade Kit to the host field panel, the HOA device is recognized and its
switches are automatically assigned to the controllers fixed digital output and fixed
analog output points. The default mapping is also used to allow the HOA board to
command physical outputs before any logical points have been defined. If a logical
point is defined using a physical address that is mapped to an HOA switch by default
the logical point value will correspond to the current Hand and I/O status of the HOA
switch.
The HOA mapping and definition of a logical point in the database can be done in any
order.
Default Mapping for HOA (8 button)
PXC Compact
Switch Number
Point Number
PXC -16 1-3 DOs 14,15,16
4-6 AOs 9,10,11
7 and 8 Unused
1)
PXC -24 1-5 DOs 20-24
6, 7, 8 AOs 17,18,19
PXC -36 1-8 DOs 29-36
1)
Available for custom mapping.
Default Mapping for HOA (16 button)
PXC Compact
Switch Number
Point Number
PXC -16 1-3 DOs 14,15,16
4-6 AOs 9,10,11
7-16 Unused
1)
PXC -24 1-5 DOs 20-24
6, 7, 8 AOs 17,18,19
9-16 Unused
1)
PXC -36 1-8 DOs 29-36
9-16 Unused
1)
1)
Available for custom mapping.
PXC Compact on P1
PXC Compact on P1 is used for controlling air handlers or migration of a UC (Unitary
Controller).The P1 Mode Application allows the PXC Compact to function as an FLN
device (emulate a TEC) on an APOGEE P1 FLN, to receive and process P1 FLN
request messages from field panels, Insight workstations, or Commissioning Tool (CT),
and to respond with P1 messages. This feature also allows the PXC Compact on P1 to