Code Alarm CR3 Servisní příručka stáhnout pdf (Strana 47)

MIQ/CR3; DIQ/CR3 Settings

4 - 33

ba76032e01 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. 4-18 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. 4-18). 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

Imin

Imax

Current I [mA]

Measured valueNominal value

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 65 66

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Code Alarm CR3 Servisní příručka Strana 47