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5.1.1.2 Relay
Oxygen sensor setup (control parameter)
From this menu you can set the Switchpoint, the Switchback point and the Switchback-Hysteresis
∗
of the re-
lay. The unit of the values is the unit of the measured values (in this example mg/l).
Aborts the input and switches to Sensor
setup.
Aborts the settings and switches
to Sensor setup.
Deletes the last entered character.
Saves the settings and switches
to Sensor setup.
Saves the input and switches to the next
menu.
Without setting the old value is stored.
The setting of the relay is saved and completed.
∗
On
Off
RHY
measured
value
t
SP
RSP
Switchpoint / Switchbackpoint / Switchback-Hysteresis
Example: maximum switching value
The Switchpoint (SP) is the value at which, when reached, a change in state of the switch occurs.
The switch then stays in this new state until the measured value falls below the Switchbackpoint
(RSP). The Switchback-Hysteresis value (RHY) determines the Switchbackpoint (Switchpoint
mi-nus Switchback-Hysteresis = Switchbackpoint).
maximum switching value (Max.) is SP RSP is SP minus the switchback hysteresis value
1/3 Minimum value
Switchpoint Input
2/3 Maximum value
Switchback point Input
3/3 Hysteresis
Switchback-Hysteresis Input
