Pixsys ATR144 - Funzione LATCH ON

28 - ATR144 - User manual
8.10 Funzione LATCH ON
For use with input po t. and with linear input (0..10 V, 0..40 mV,
0/4..20 mA) t is possible to associate start value of the scale
(par. 4 L.L.i .1) to the minimum position of the sensor and value
of the scale end (par. 5 u . L.i .1) to the maximum position of the
sensor (par. 10 Lt c .1 configured as stndr).
It is also possible to fix the point in which the controller will
display 0 (however keeping the scale range between L. L.i .1
and u .L.i . 1) using the “virtual zero” option by selectin u.0.sto.
or u.0.t.on. on par. 10 Lt c .1 . Selecting u.0.t.on. the virtual zero
must be reset at each restart; selecting u.0.sto. the virtual
zero will remain fixed once calibrated. To use the LATCH ON
function, configure the par. Lt c .1 .
Then refer to the following table for the calibration procedure:
Press Display Do
1
FNC
Exit parameters
configuration. Display 2
visualizes writing La t c.
Place the sensor on
minimum operating
value (corresponding
to L.L.i .1)
2

Store value on
minimum.
Display shows Lo w .
Place sensor on
maximum operating
value (corresponding to
u .L.i .1).
3

Store value on max.
Display shows Hi G h .
To exit standard
proceeding press SET.
For “virtual zero” setting,
place the sensor to zero
point.
4
FNC
Set virtual zero. Display
shows zero .
If “Virtual zero at
start”is selected, point
4 must be repeated at
each starting.
To exit procedure press
SET.