Outside Temperature; Connection Choices; Outside Temperature At Terminal - Siemens RMB795B Basic Documentation

2 possible signal
sources
4 variants
Settings and
connection
Configuration
Setting values
52 / 144
Siemens
Building Technologies
7.5

Outside temperature

7.5.1

Connection choices

For the outside temperature, the following 2 signal sources can be used:
• Outside air temperature connected locally to the terminal,
activated by the identifier "Outside temperature"
• Outside temperature via bus.
In addition, it is important whether or not "Outside temperature" communication is
active. Hence, the following 4 variants are made available:
Variant
Outside temperature at the
terminal
Communication outside
temperature not active.
Outside temperature at the
terminal
Communication outside
temperature active.
No outside temperature at
terminal.
Communication outside
temperature active.
No outside temperature at
terminal.
Communication outside
temperature not active.
7.5.2

Outside temperature at terminal

Settings and the connection diagram for the outside temperature on the terminal, is
described under Sec. 7.2 "Analog inputs (Xx)".
Main menu > Commissioning > Extra configuration > Input identifier
Op. line Adjustable values / remarks
...X... Activate function by assigning the "Outside temperature" value
to the input.
Main menu > Commissioning > Settings > ... or
Main menu > Settings > Inputs > ...X...
Op. line Range
Type Ni1000, 2xNi1000, T1, Pt1000, DC
0...10 V
Value low Depending on selected type.
Value high Depending on selected type.
Correction − 3.0...+3.0 K
Central control unit RMB795B
Inputs
Diagram Effect
Central control unit operates with
its own outside temperature.
T
No impact on the bus.
Central control unit operates with
its own outside temperature.
T
Using the bus, the outside
temperature is also delivered to
other devices.
Central control unit operates with
the outside temperature
T
delivered via the bus by some
other controller
Central control unit has no
outside temperature.
T
Factory setting
Ni1000
Depending on type.
Depending on type.
0 K
CE1P3122en
18.01.2012