Unipulse F160, Руководство по эксплуатации

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86
9 SUPPLEMENTS
86
SUPPLEMENTS
Chapter
9
About calibration error 2 (cErr2)
How to connect a resistor to shift the zero point is as shown below.
About calibration error 3 (cErr3)
How to connect a resistor to shift the zero point is as shown below.
Connect the resistor
bEXC and -SIG.
+EXC
+SIG
-EXC
-SIG
・ This table is for 350 Ω load cell.
・
The temperature coefficient of the connected resistor directly influences the
accuracy of the controller. Use a resistance having a temperature coefficient of
50ppm/
℃
or more (recommended value of about 5ppm/
℃
).
Resistor Strain
Ideal Approx. μ -STRAIN mV/V
875 k Ω 866 k Ω
200 0.1
437 k Ω 442 k Ω
400 0.2
291 k Ω 294 k Ω
600 0.3
219 k Ω 221 k Ω
800 0.4
175 k Ω 174 k Ω
1000 0.5
146 k Ω 147 k Ω
1200 0.6
125 k Ω 124 k Ω
1400 0.7
109 k Ω 110 k Ω
1600 0.8
97 k Ω 97.6 k Ω
1800 0.9
87.3 k Ω 86.6 k Ω
2000 1.0
79.4 k Ω 78.7 k Ω
2200 1.1
72.7 k Ω 73.2 k Ω
2400 1.2
67.1 k Ω 66.5 k Ω
2600 1.3
62.3 k Ω 61.9 k Ω
2800 1.4
58.2 k Ω 57.6 k Ω
3000 1.5
54.5 k Ω 54.9 k Ω
3200 1.6
51.3 k Ω 51.1 k Ω
3400 1.7
48.4 k Ω 48.7 k Ω
3600 1.8
45.9 k Ω 46.4 k Ω
3800 1.9
43.6 k Ω 43.2 k Ω
4000 2.0
41.5 k Ω 41.2 k Ω
4200 2.1
39.6 k Ω 39.2 k Ω
4400 2.2
37.9 k Ω 38.3 k Ω
4600 2.3
36.3 k Ω 36.5 k Ω
4800 2.4
34.8 k Ω 34.8 k Ω
5000 2.5
Point
Connect the resistor
between -EXC and -SIG.
+EXC
+SIG
-EXC
-SIG