Set up a calculation – Hach-Lange POLYMETRON 9500 User Manual User Manual

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5. Select an output mode option and push enter.

Option

Description

ACTIVE

Output level continues to represent operating conditions.

HOLD

Output level is held static.

TRANSFER

Output level moves to a pre-configured value.

6. Select the sensors that will have their outputs (analog and relay) affected when one of the

discrete inputs becomes active. Push enter.

7. Use the arrows to select the ON DELAY value (the duration time delay between the discrete input

activation and the configured response of the controller). Push enter.

8. Use the arrows to select the OFF DELAY value (the duration time delay between the discrete

input de-activation and the configured response of the controller). Push enter.

9. Repeat steps 4–8 for each desired channel.
10. If a discrete input needs to be changed after initially set up:

a. Repeat steps 1–2 and an INPUT SETTINGS menu appears with the following options:

• CONTROL LOGIC
• SET WARNING
• OUTPUT MODE
• ON DELAY
• OFF DELAY

b. Select the desired option and push enter.
c. Make the desired changes and push enter to save the changes and return to the INPUT

SETTINGS menu.

Set up a calculation

Two sensors must be installed in the controller.

1. Push the menu key and select Polymetron 9500 SETUP>CALCULATION.
2. Select a menu option and choose from the displayed list or update the entry.

Option

Description

SET VARIABLE X

Selects the sensor that corresponds to the variable set as "X".

SET PARAMETER X

Selects the measurement type that corresponds to the variable set as "X".

SET VARIABLE Y

Selects the sensor that corresponds to the variable set as "Y".

SET PARAMETER Y

Selects the measurement type that corresponds to the variable set as "Y".

SET FORMULA

NONE, X-Y, X/Y, [X/Y]%, [X+Y]/2, X*Y, [X-Y]%/X.

DISPLAY FORMAT

Sets the number of decimal places displayed in a calculation result.

SET UNITS

Sets the units of measurement.

SET PARAMETER

Assigns the name of the measurement.

3. Push enter to save the selection or setting and return to the CALCULATION menu.

38 English

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