Mettler Toledo M400 Especificaciones descargar pdf (Pagina 60)

Transmitter Multiparameter M400 60

Printed in Switzerland 52 121 378

10.4.2 Setpoint & Deadband

Enter the desired setpoint value and the deadband around the setpoint, where no proportional

control action will take place. Be sure to include the units multiplier µ or m for conductivity.

Press [ENTER].

10.4.3 Proportional Limits

Enter the low and high proportional limits – the range over which control action is required.

Be sure to include the units multiplier µ or m for conductivity. Press [ENTER].

10.4.4 Corner Points

Enter the low and high corner points in conductivity, pH, dissolved oxygen units and the

respective output values from –1 to +1, shown in the ﬁgure as –100 to +100%. Press

[ENTER].

10.5 PID Display

(PATH: Menu / PID Setup / PID Display Setup)

This screen enables display of PID control status in the normal measurement mode.

When PID Display is selected, the status (Man or Auto) and control output (%) will be

displayed on the bottom line. If controlling pH, the reagent will also be displayed. In addition,

for the display to be enabled, a measurement must be assigned under Tune Parameters and

a relay or analog output must be assigned under Mode.

In Manual, the control output may be adjusted with the up and down arrow keys. (The ”Info”

key function is not available in Manual.)

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Mettler Toledo M400 Especificaciones Pagina 60