EUTECH INSTRUMENTS ALPHA CON 190 18 DIN CONDUCTIVITY CONTROLLERTRANSMITTER Instruction Manual download pdf (Page 23)

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9.4 Set Point 2 – P2.0

Setup program P2.0 allows you to set parameters for relay 2.

P2.1: select relay 2 set point value

P2.2: select relay 2 as low or high set point

P2.3: set relay 2 hysteresis value (dead band)

P 2.0 P 2.1 P 2.2 P 2.3

10. 00 1.00

HYS 2SP

LOW

HIGH

Press ▲ and ▼ keys together (ESCAPE) at anytime, to leave the Setup mode

and return to Measurement mode.

P2.1: Select relay set point value

This lets you choose the pH (or ORP) value that will cause your controller to

activate. If this value is crossed, the set point relay 2 LED will light.

1. Key in the password “022” as per procedure in Section 5.

2. Press ▲ key once. The screen will scroll P2.0 and SP2. Press ENTER.

3. The screen will scroll P2.1, SP2, then the current set point value.

4. Press ▲ or ▼ keys and adjust second relay set point. You can adjust it in

0.01 increments from 0.00 to 14.00 pH (-999 to 1000 mV).

5. Press ENTER to confirm and continue to step three of P2.2.

P2.2: Set relay as high or low set point

Select a low set point to activate controller when your value undershoots the set

point; select a high set point to activate controller when your value overshoots the

set point.

Using both SP1 and SP2, you can select lo/lo, lo/hi, hi/lo or hi/hi set points.

1. Key in the password “022” as per procedure in Section 5.

2. Press ▲ key once. The screen will scroll P2.0 and SP2. Press ENTER

twice.

3. The screen will scroll P2.2, SP2, and LOW (or HIGH).

4. Press the ▲ or ▼ keys to toggle between LOW and HIGH.

5. Press ENTER to confirm and continue to step 3 of P2.3.

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EUTECH INSTRUMENTS ALPHA CON 190 18 DIN CONDUCTIVITY CONTROLLERTRANSMITTER Instruction Manual Page 23