7.1.2
Activating the function
Universal Xx inputs are always available. If not required for their functionality, they
can be used for diagnostics purposes.
Availability
To activate, assign a LABEL (identifier) to each input used. The identifier also
defines the input's physical unit. The following identifiers are available:
Assigning the
identifiers
LABEL (identifier)
Explanation
ROOM Room
temperature
OUTS Outside
temperature
SAT
Supply air temperature
Temp
Temperature sensor without dedicated functionality in °C /
°F
%
DC 0…10 V signal, unit %
0.0
Universal input with 1 decimal place,
resolution –99.9…+999.9, increment 0.1
0000
Universal input without decimal place, resolution –
999…+9999, increment 1.
REMx Absolute
setpoint
adjuster
REL
Rem setp adjuster relative, in K / °F, range
−
3…
+
3 K
FRST Frost
protection
DIG Digital
There are 2 special features with regard to the assignment of the physical unit:
Notes on units
•
The unit of room temperature, supply air temperature and outside temperature is
always °C (°F)
•
Digital inputs do not require units
There is a more detailed description for each specific use of the universal inputs in
the following sections:
Further details
•
Universal inputs used as analog inputs, see 0
•
Universal inputs used as digital inputs, see 7.3
37 / 174
Siemens
Universal Controllers RLU2…
CE1P3101en
Building Technologies
Inputs
29.08.2008
