17. Add-on Controller
89
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17.3. Configuration of the relays
In the menu CONTROL select the symbol RELAYS. In the submenu
you can define the following parameters:
R1/R2 direction
With this setting you define whether dosing occurs above or below the set point.
Select RAISE if the dosing increases the measured value. The controller doses whenever the
measured value is lower than the set point.
Select REDUCE if the dosing decreases the measured value. The controller doses whenever the
measured value is higher than the set point.
R1/R2 on/off
You can shut off the relays completely to prevent unnecessary wear and tear. This is useful if you use
the analog outputs as controller output.
17.4. Start delay and dosage control
Select CONTROL in the main menu, and in the control menu the
symbol TIMING. In this you can define three important times for the
controller:
Delay
The delay is the time that has to pass after a controller stop before
dosing starts. A controller stop happens when the power is cut off or
as a result of certain events, for example the switching of a digital
input. At the end of this chapter you will find a list of these events.
Note
Changing the operation mode does not activate the
start delay.
