Maintenance
Azbil Corporation
3-12
Model SLX 110/120 - Smart displacement type level transmitter
3-4 : Zero span calibration with weight
It is recommended to carry out this calibration during periodic maintenance.
Difference between adjustment and calibration
Adjustment (key sequence [SET], [ENTER]):
This adjustment associates the current input (mm) with output 0%/100%. The
calibration data provided at the time of shipment will not be rewritten.
Zero adjustment may not result in “0 mm” on the SFC display (however, the output
becomes 0%).
Example: Though a liquid level 0% equivalent state has been set, the input remains
“-30 mm” and output remains “-10%”, and so a zero adjustment is necessary.
The input does not change and the LRV is changed to the current input to be output
“0%”.
SFC display
(input)
LRV
URV SENS_LO SENS_SP
Input
angle
Out-
put
Liquid level 0%
equivalent state
-30mm
0mm 300mm
1.6DEG
-0.85DEG 1.685DEG -10%
State after LRV
adjustment
-30mm
-30mm 270mm
1.6DEG
-0.85DEG 1.685DEG 0%
Calibration (key sequence [CORRECT], [ENTER]):
This adjustment associates the current LRV/URV (mm) set value with the input
angle. The calibration data provided at the time of shipment will be rewritten.
Calibration requires a SFC. Calibration is not possible using the external adjustment
switch. The external adjustment switch is only for adjustments.
Example 1: Though a liquid level 0% equivalent state has been set, the input remains
“-30 mm” and output remains “-10%”, and so a zero calibration is necessary.
The LRV does not change and the calibration LRV angle (SENS_LO) is rewritten to
the current input angle and the input becomes “0 mm” and the output becomes “0%”.
SFC display
(input)
LRV
URV SENS_LO SENS_SP
Input
angle
Out-
put
Liquid level 0%
equivalent state
-30mm
0mm 300mm
1.6DEG
-0.85DEG 1.685DEG -10%
State after LRV
adjustment
0mm
0mm 300mm 1.685DEG -0.85DEG 1.685DEG 0%
Содержание SLX 110
Страница 1: ...Smart Displacement type Level Transmitter Model SLX 110 120 User s Manual CM2 SLX100 2001...
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