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9
Latch on functions
For use with input
KΩ) and with linear input (0..10 V, 0..40 mV, 0/4..20 mA), it is possible to associate
start value of the scale (parameter 6
sensor and value of end scale (parameter 7
the sensor (parameter 8
It is also possible to fix the point in which the controller will display 0 (however
keeping the scale range between
option by setting
If you set
u.Oin.
set
the virtual zero remains fixed once tuned.
u.OSt.
To enable the LATCH ON function select chosen configuration for parameter
2
.
LAtc
For the calibration procedure refer to the following table:
Press
c d
1
simultaneaously
2
d
3
c
|
4
2
The tuning procedure starts by exiting the configuration after changing the parameter.
(potentiometer 6 KΩ) and
Pot. 1
configured as
Latc.
or
u.OSt.
u.Oin.
the virtual zero will reset after each activation of the tool; if you
Exit parameters
configuration. Display 2
shows the writing
Set the value on
minimum. Display shows
.
Low
Set the value to
maximum.
The display shows
Set the virtual zero value.
Display shows
For selection of
the procedure in point
4 should be followed on
each re-activation.
) to the minimum position of the
LoL.i
uP.L.i
Std.
and
LoL.i
uP.L.i
in parameter 8
Display
LAtc
HiGH
. NB:
uirt
u.0in.
(potentiometer 150
Pot.2
) to the maximum position of
).
) using the "virtual zero"
.
Latc
Place the sensor on
minimum operating
value (associated with
.
).
LoL.i.
Place the sensor on
maximum operating
value (associated with
).
upL.i.
procedure press |. For
To exit standard
"virtual zero" settings
.
place the sensor on the
zero point.
|.
To exit procedure press
User manual - DRR245 21
Do
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