V 01/2016
26 Parameterisation RT100 Control System
Control parameters cascade
Parameter Range Remarks
Control parameter set Input fixed/manual Selection of the control parameter set
Outlet limitation
Input active/inactive Setting of outlet limitation
Max. outlet limitation
Max. outlet limitation (in °C/°F, up to
max. set-point value)
Min. outlet limitation Min. outlet limitation (in °C/°F)
Max. difference Int/Ext
Input active/inactive Setting of outlet limitation
Max. Diff. Heating Int/Ext Max. Diff. Heating Int/Ext (in °C/°F)
Max. Diff. Cooling Int/Ext Max. Diff. Heating Int/Ext (in °C/°F)
Control parameter cascade
defined
Value 1-10
Selection of control parameter Cascade
fixed
Control parameter cascade
manually
Strengthening of cascade Input value 0-99
Integral cascade Input in sec.
Differential cascade Input in sec.
P Heating auxiliary controller Input in °C/°F
I Heating auxiliary controller Input in sec.
D Heating auxiliary controller Input in sec.
P Cooling auxiliary controller Input in °C/°F
I Cooling auxiliary controller Input in sec.
D Cooling auxiliary controller Input in sec.
Neutral zone aux. controller Input in %
Settings
Parameter Remarks
Heating cycle time Input of the pulse time heating (in seconds)
Min. heating control time Input of the minimum actuation time heating (in milliseconds)
Cooling cycle time Input of the pulse time cooling (in seconds)
Min. cooling control time Input of the minimum actuation time, cooling (in milliseconds)
Control system modes
The RT100 Control System works with the following control algorithms:
- PID control on outlet, inlet or external sensor - for this control type,
there are 10 fixed parameter sets each available for heating and
cooling, as well as one manual set
- Cascade control with external sensor and outlet sensor as well as in-
let sensor and outlet sensor
Fixed parameter sets
In order to save the operator the trouble of painstakingly defining the P, I,
and D control parameters for heating and cooling, it is possible to retrieve
fixed parameter sets adjusted to the applications.
Users can determine the best fixed set of parameters for their application
without any special knowledge of control technology by observing the fol-
lowing simple rules:
1. Basic setting - parameter set 5
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