INF-TN1FSH-E
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4.4.16. Maintenance
4.4.16.1. Analog output adjustment and check
Description
Adjust the analog output so that the output becomes 4 mA when the flow rate is 0 and 20 mA when it is in full scale.
Check that each output value in the range from
−
20% to 120% becomes 0.8 mA to 23.2 mA.
Connect an ammeter to the IOUT terminal to perform the adjustment.
6 7 8
9
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Operation
(example)
Adjusting 4 mA and 20 mA outputs and checking 75% output (16 mA)
Key operation
Description
Display
FUNC SYSTEM
Display SYSTEM.
UNIT & LANGUAGE
SKIP
"
or
#
Select “MAINTENANCE”
MAINTENANCE
SKIP
ENTER
"
or
#
ENTER
Enter select/enter mode, select “AO.1,” and
press ENTER.
AO. 1 ADJUST
4 mA
Display 4 mA adjustment.
"
(Increase) or
#
(Decrease)
Perform fine adjustment.
AO. 1 ADJUST
4 mA
&
(Increase) or
%
(Decrease)
Perform coarse adjustment.
Adjust so that the ammeter indicates 4 mA.
ENTER
Exit 4 mA adjustment and go to 20 mA
adjustment.
AO. 1 ADJUST
20 mA
"
(Increase) or
#
(Decrease)
Perform fine adjustment.
AO. 1 ADJUST
20 mA
&
(Increase) or
%
(Decrease)
Perform coarse adjustment.
Adjust so that the ammeter indicates 20 mA.
ENTER
Exit 20 mA adjustment and go to “AO.1
CHECK”
AO. 1 CHECK
0%
ENTER 7 5 ENTER
Enter numeric value enter mode, enter “75”
using ten keys, and press ENTER.
[Check 75% (16 mA) output.]
AO. 1 CHECK
75%
ESC ESC
Display the measurement, reflecting the
setting.
(Measurement display screen)
Iout
+
−
+
−
