CBV-2U4-3T(-N) |
Installation Overview
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How to set up UI4 as a digital input
UI-4
on the
CBV-2U4-3T
is configured by default as an analog input, reading voltage, suitable for a CO
₂
or
humidity sensor.
This UI can also be configured to register digital input for a
Local OCC sensor
(registering occupancy in a space
using a PIR relay) or
Spare Digital Input
but to wire
UI-4
for a digital input, you will need to put a
10 V DC
power
supply in series with the digital switch:
The
CBV
strategy defines thresholds for voltage levels that would be considered a digital
1
or a digital
0
.
To set up
UI-4
as an occupancy sensor,
1.
open
CXpro
ᴴᴰ
,
2.
Right-click on the
Site
or
Network
containing the
CBV
and select
Commission BACnet Devices
.
3.
In the
Commission BACnet Devices
dialog, click on the Inputs column of the relevant
CBV
:
This opens the
VAV Configuration
dialog:
Select
Local OCC Sensor
Summary of Contents for CBV-2U4-3T
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