PMA Digital 280 Mode D'emploi page 14

INPUT SIGNAL CORRECTION / TRANSDUCER CALIBRATION
The correcting function can be used to match the indicator to the sensor without
changing the factory calibration.
q
The function is also used to calibrate the potentiometric transducer input.
+ If certain reference values are known, matching can be done by means of the
scaling function.
Input signal correction is carried out in the Operating Level.
Reference point 1:
Apply reference value 1 to the input, and wait until it has settled.
Press key D for 5 seconds.
The display alternates between 'CL' and the applied signal Ü , and
the L2 LED blinks. (Blinking is disabled during adjustment.)
The required value is changed by means of keys D and I Ü*
Reference point 2:
Apply reference value 2 to the input, and wait until it has settled.
Press key I for 5 seconds.
The display alternates between 'CH' and the applied signal Ü , and
the L1 LED blinks. (Blinking is disabled during adjustment.)
The required value is changed by means of keys D and I Ü*
Deleting:
Press key D for approx. 15 seconds. (After 5 s the display shows the value for
reference point 1.) Both corrected values are cancelled after they have been
displayed (L2 stop blinking). The indicator returns to the Operating Level.
Ü During adjustment, only the corrected value is displayed.
* If no key is pressed during a period of 10 seconds, the latest value will be stored
(time-out). The indicator returns to the Operating Level.
a
After replacement of a sensor or change to a different signal type ( Con1), input
signal correction must be repeated, or the previous settings must be deleted.
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