EXAMPLE: Introduce how to use an external analog speed meter.(The meter’s full scale is 1800rpm)
Connect the meter to the AM1 and Acom terminals as showed in the following figure.
485a 485b DO1 DO2 DO3 +24
DI1 DI2 DI3 DI4
DI5 DI6
DCOM
5V
AI1
ACOM
Analog Meter
1V / 1mA
AM1
Follow these steps to use the meter properly.
1.
Pr.370=4
Î
Set AM1 function to output motor’s actual speed.
2.
Pr.371=1800rpm
Î
Set AM1 full scale data range to be 1800rpm.
3.
Execute RESET
Î
After reset the driver, the setting of AM1 is finished.
【NOTE】If there is need to adjust the output linearity of AM1, please follow below steps.
1.
Pr.370=10
Î
Set AM1 function to send 100% scale output.
2.
Execute RESET
Î
Reset the driver.
3.
Pr.371=1000
Î
Set AM1 Full Scale Range to be 1000.
4.
Pr.373=100
Î
Check if the meter point to 1800rpm.
【NOTE】If it is not in proper position, adjust by the VR knob of the meter.
5.
Pr.370=11
Î
Set AM1 function to send 75% scale output.
6.
Execute RESET
Î
Reset the driver.
7.
Pr.374=(check the meter to set %)
Î
Adjust the Pr.374 to let the meter point to
1800x75%=1350.
8.
Pr.370=12
Î
Set AM1 function to send 50% scale output.
9.
Execute RESET
Î
Reset the driver.
10.
Pr.375=( check the meter to set %)
Î
Adjust the Pr.375 to let the meter point to
1800x50%=900.
11.
Pr.370=13
Î
Set AM1 function to send 25% scale output.
12.
Execute RESET
Î
Reset the driver.
13.
Pr.376=( check the meter to set %)
Î
Adjust the Pr.376 to let the meter point to
1800x25%=450.
14.
Pr.370=14
Î
Set AM1 function to send 12.5% scale output.
15.
Execute RESET
Î
Reset the driver.
16.
Pr.377=( check the meter to set %)
Î
Adjust the Pr.377 to let the meter point to
800x12.5%=225.
17.
Pr.370=4
Î
Set AM1 function to output motor’s actual speed.
18.
Pr.371=1800
Î
Set AM1 full scale data range to be 1800.
19.
Execute RESET
Î
After reset the driver, the setting of AM1 is finished.
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Содержание IRIS-IMSV
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