West Control Solutions CI 45 - Manual (Page 51)

9.2 2-point correction
2-point correction can change the offset and gradient
of
the input curve.
Parameter setting:
( ConF/ InP/ Corr = 2 ):
w
2-point correction is possible off-line by means
of
an input signal simulator,
w
or on-line in 2 steps: correct one value first and
the second value subsequently, e.g. after heating
up the furnace.
InL: The input value of the lower scaling point is displayed.
The correction function is activated via keys ÈÌ ; the display changes from Off to the
measurement value.
Adjust the lower input value by means of an input signal simulator and press key ô to confirm
the input value.
OuL: The display value of the lower scaling point is indicated.
Press keys ÈÌ to correct the lower display value and press key ô to confirm the display
value.
InH: The input value of the second scaling point is displayed.
Activate the corrective function by pressing keys ÈÌ ; the display changes from Off to the
measured value.
Adjust the upper input value by means of the input signal simulator and confirm the input
value by pressing key ô .
OuH: The display value of the upper scaling point is indicated.
Correct the upper display value by pressing keys ÈÌ and press key ô to confirm the
display value.
Calibrating level
UNIFLEX CI 45 2-point correction 51
r
3 sec.
r
PArA
CAL
r r
InP
r r r
End
r r
InL
InL
OuL
r
r
InH
InH
OuH
r
ConF r
r
450.3
450.0
дььь
ф
ф ф ф
ф
ф
ф
ф
ф
ф
X InL InH
OuL
new
OuH
new
display
OuH
old
OuL
old
standard setting
2-point correction