Mettler Toledo M400/2(X)H Especificações descarregar pdf (Página 71)

Transmitter M400/2(X)H, M400G/2XH 71

Printed in Switzerland 30 031 683

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 Set-

up-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.

10.3 Mode

(PATH: MENU / PID Setup / Mode)

This menu contains the selection of control modes using OCs.

Press [ENTER].

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Mettler Toledo M400/2(X)H Especificações Página 71