Mettler Toledo M400 Spezifikationen PDF herunterladen (Seite 57)

Transmitter Multiparameter M400 57

Printed in Switzerland 52 121 378

further out and proportional limits at the ends of control as shown in the ﬁgure below.

Determine the appropriate settings for each of these control parameters based on the shape

of the pH process titration curve.

Controller with Corner Points

–120%

–100%

–80%

–60%

–40%

–20%

20%

40%

60%

80%

100%

120%

0 2 4 6 8 10 12 14

Process Variable

Deadband - value

Proportional limit –100% value

Proportional limit +100% value

Error (%)

Direct corner point (value, %)

Set point value

Deadband + value

Reverse corner point (value, %)

10.1 Enter PID Setup

While in Measurement mode press the  key. Press the  or  key to navigate to the PID

Setup – Menu and press [ENTER].

10.2 PID Auto / Manual

(PATH: MENU / PID Setup / PID A / M)

This menu allows selection of Automatic or Manual operation. Select Auto or Manual operation.

Pressing the [ENTER] key will bring up the Save Changes dialog.

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Mettler Toledo M400 Spezifikationen Seite 57