YSI IQ S ENSOR N ET MIQ/C6 User Manual
Page 21
MIQ/C6
Settings
4 - 9
ba76033e01
01/2012
By activating or deactivating the Integral (ti) and Derivative (td)
controller part, the following controller types can be configured:
Characteristic curve of
the proportional
controller
For a P controller, the interrelationship between the measured value
and current I at the controller output forms the following characteristic
curve:
Fig. 4-5
Proportional controller (negative characteristic curve)
The proportional band Xp is limited by the measuring range of the
linked sensor. If a value is entered for the parameter Xp that is greater
than zero, the controller has a negative characteristic curve (example
Fig. 4-5). To obtain a positive characteristic curve, a negative value
must be entered for Xp .
Controller type
td [s]
ti [s]
P controller
0
0
PI controller
0
1 to 9999
PD controller
1 to 9999
0
PID controller
1 to 9999
1 to 9999
0
Imin
Imax
Current I [mA]
Measured value
Nominal value
Io
Xp
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