Inovance MD380 Series, User Manual

Page: 241 / 304

MD380 User Manual Desc
ription of Function Codes
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Function Code Parameter Name Setting Range Default
AC-00 AI1 measured voltage 1 0.500–4.000 V Factory-corrected
AC-01 AI1 displayed voltage 1 0.500–4.000 V Factory-corrected
AC-02 AI1 measured voltage 2 6.000–9.999 V Factory-corrected
AC-03 AI1 displayed voltage 2 6.000–9.999 V Factory-corrected
AC-04 AI2 measured voltage 1 0.500–4.000 V Factory-corrected
AC-05 AI2 displayed voltage 1 0.500–4.000 V Factory-corrected
AC-06 AI2 measured voltage 2 6.000–9.999 V Factory-corrected
AC-07 AI2 displayed voltage 2 9.999–10.000 V Factory-corrected
AC-08 AI3 measured voltage 1 9.999–10.000 V Factory-corrected
AC-09 AI3 displayed voltage 1 9.999–10.000 V Factory-corrected
AC-10 AI3 measured voltage 2 9.999–10.000 V Factory-corrected
AC-11 AI3 displayed voltage 2 9.999–10.000 V Factory-corrected
These parameters are used to correct the AI to eliminate the impact of AI zero offset and
gain.
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parameters will be restored to the factory-corrected values. Generally, you need not perform
correction in the applications.
Measured voltage indicates the actual output voltage value measured by instruments such
as the multimeter. Displayed voltage indicates the voltage display value sampled by the AC
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During correction, send two voltage values to each AI terminal, and save the measured
values and displayed values to the function codes AC-00 to AC-11. Then the AC drive will
automatically perform AI zero offset and gain correction.
If the input voltage and the actual voltage sampled by the AC drive are inconsistent, perform
correction on site. Take AI1 as an example. The on-site correction is as follows:
1) Send a voltage signal (approximately 2 V) to AI1.
2) Measure the AI1 voltage and save it to AC-00.
3)
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4) Send a voltage signal (approximately 8 V) to AI1.
5) Measure AI1 voltage and save it to AC-02.
6)
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For AI1 and AI2, 2 V and 8 V are suggested as the correction voltages. For AI3, -8 V and 8
V are suggested.
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