Using The Hoa Switches - Siemens PXC-16 Compact Technical Reference Manual

Hardware Features
HOA (Hand-Off-Auto) Upgrade Kits
42 | 100
Siemens Industry, Inc.
Building Technologies

Using the HOA Switches

LED and Override Status
Placing Device into Override
To manually override the present value of an analog or digital output on the PXC
Compact, you must engage the appropriate switch assigned to the desired equipment
to be controlled.
Pressing the center of the switch
Yellow Override status LED. Pressing the center of the switch
disables the Override and de-energizes the Yellow Override status LED.
Analog Output Override
Once a switch assigned to an analog output is placed into manual override, pressing
the or switch will increase or decrease the value of the assigned point in 10
incremental steps. Based on the present value of the intensity of the Green I/O status
LED (10 intervals up and down), the Yellow Override status LED will flash momentarily
for any change in value.
The Green I/O status LED indicates the current value of physical points. The intensity
of the Green I/O status LED will increase or decrease incrementally as the value
changes.
Manual Control Settings for Analog Outputs
Switch Position % Output
(LED Intensity)
0 0%
1 10%
2 20%
3 30%
4 40%
5 50%
6 60%
Technical Reference Manual
enables the Override mode and energizes the
Voltage Mode
Output [V]
0
1
2
3
4
5
6
Restricted
a second time,
Current Mode
Output [mA]
4
5.6
7.2
8.8
10.4
12
13.6
145-172
2018-09-25