Multifunctional Input, Digital Input - Siemens RDB160BN Basic Documentation

6

Multifunctional input, digital input

6 Multifunctional input, digital input
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The thermostat has the following three multifunctional inputs:
● Analog input (AI) for:
– External room temperature or return air temperature sensor
– Supply air temperature limitation sensor
● Universal input (UI) for:
– Changeover digital
– Changeover analog
– Window contact
● Digital input (DI) for:
– Presence input
– Window contact
Input Setting
0 = no
function
AI
1 = Room
(P13)
temp ext.
sensor
11= Supply
air
temperature
limitation
sensor
0 = no
function
1 = Change-
over digital
UI
2 = Change-
(P14)
over analog
3 = OFF mode
(open
window)
DI Fixed setting
Description
Device works with internal temperature sensor
Device works with the room / return air
temperature sensor wired on AI (PT1000 sensor)
Activate supply air limitation function
Device works with internal temperature sensor
Potential free changeover input.
Can be set to Normally Open (default) or
Normally Closed via parameter P37.
PT1000 sensor input for 'Automatic heating /
cooling changeover' function.
Below 16 °C, the thermostat works in cooling
mode. Above 28 °C thermostat works in heating
mode. Those values can be changed via BACnet.
Turns the thermostat into OFF mode when the
window is open.
Can be set to Normally Open (default) or
Normally Closed via parameter P37.
Floating window contact or occupancy contact.
Configurable for Normally Open / Normally
Closed via parameter P36.
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