Calibration, 1 calibration items, Toshiba – Toshiba LF494 User Manual
Page 102
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".
TOSHIBA
6 F 8 A 0 7 7 4 ,
9. Calibration
9.1 Calibration Items
You Ciin conduct Ihc lollowing in Uic; calibration mode:
• Checks or calibrates the zero and spar of the LF404 converter by using a simulation signal,
• Checks of Ihe excitation current.
To
change the mode to the calibration mode> see 7.3,1, “Mode Gtange,”
IMPORTANT
To check or change the zero and span of the converter, follow the procedure described
below. However, these are already checked and calibrated when shipped from the
factory. Do not change these settings unless it is necessary to calibrate in the field.
Calibration items are listed below. See each section for detailed procedure.
Section
Configuration item
Display example
Page
9.2.1
f)
%
flow rale calibration
NlîFLOWCAL 0%
0.0
%
102
9,2.2
50
%
flow rate calibration
N2:FLOW SIG.50%
50.0
%
103
9.2.3
1
ÜÜ
%
flow rate calibration
N3;FLOW CAL10Ü%
100.0
%
104
9.2.4
Excitation current
N4:EX. CURR.DSR
0.2100 A
105
-
1 01
-