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Setscrew B
Setscrew A
4. Solder the wires to the pin contacts of the connector.
A 5 m or less load cell cable is recommended as the
FS-D uses a 4 wire system (no remote sensing).
5. Reassemble the connector plug
and tighten the setscrew A.
6. Move the load cell cable back
and forth and around, and tighten
each parts again. Finally, tighten
the setscrew B.
7. Connect the connector plug to the
load cell connector on the bottom
of the display pod.
4-3. Verifying Load Cell Output and Input Sensitivity
The input sensitivity is 0.2 µV/division or more. When designing a weighing scale, the
load cell output voltage should satisfy the input sensitivity of the indicator. Or the scale
should be designed so that the following calculating formula is satisfied.
In order to achieve a scale with stable performance, select the input sensitivity as
large as possible.
Calculating formula:
A : Rated capacity of load cell (kg)
B : Rated output (mV/V)
d : Min. display (smallest of kg) / scale division
E : Excitation voltage (mV) = 5000 mV for FS-D
n : Number of load cells
Example of calculation:
In the case of designing a scale with a capacity of 60 kg, using a load cell with a
rated capacity of 100 kg and rated output of 1 mV/V:
Load cell capacity: A = 100 kg
Rated output: B = 1 mV/V
Set function setting C02-3, then
Min. display (smallest): d = 0.005 kg
Excitation voltage: E = 5000 mV
Number of load cell: n = 1
nA
dBE
×
××
≤0.2
2.025.0
1100
005.015000
>=
×
×
×
SIG-
EXC+
SIG+
EXC-
Shield
Load cell
Load cell connector
Load cell cable