User Manual

11.4 General limiter
N.X1 N.X2
3124Z22en
You can select a general limiter function.
The limitation function overrides the normal control function of the controller.
See Section 11.4.2 for this function.
11.4.1 Enable function
Assign an input to the function to enable this function.
Main menu > Commissioning > Extra configuration > Controller 1...3 > Inputs >
Config
uration
Operating lin
e Adjustable values / Comment
General limit controller ---, N.X1, N.X2, ..., internal analog
(analog values only)
Enable general limitation.
Main menu > Commissioning > Settings > .... or
Main menu > Settings > Controller 1...3 > General limiter >
Setting values
Operating line Range
(dependent on
selected type)
Factory setting
(type-dependent)
Limit value high 35.0 °C
Limit value low 16.0 °C
Differential high 0...100 K 50 K
Differential low 0...100 K 50 K
Reduction min
limitation cooling
0...10 K 0.0 K
P-band Xp 15 K, 10 %, 5 g/kg, 10 kJ/kg,
100 W/m2, 50 m/s, 10 bar,
50 mbar, 50 Pa, 100 ppm, 10.0, 50
Integral action time Tn 00.00...60.00 m.s 01.00 m.s
Main menu > Controller 1...3 >
D
isplay values
Operating lin
e Comment
Actual value general limiter
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Siemens Switching and monitoring device RMS705B CE1P3124en
Building Technologies Universal controller 01.04.2010