5.3
5.3.1
The analog output 2 of the EM-IO-03 expansion module is a current output with a
range of 0(4)...20 mA. Parameterization of the output signals is done by the definition
of the operation mode and a linear characteristic, stating the offset and the amplifica-
tion.
5.3.2
The operation mode of the analog output is selected via the parameter
mode
Additional to the operation modes listed, those stated in the operating instructions of
the frequency inverter in the chapter "Analog output MFO1A" also apply.
201 to 254
5.3.3
As a result of component tolerances, it can be necessary to adjust the analog output.
Parameter
Example of the adjustment of the analog output:
Note:
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•
•
•
•
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06/05
06/05
Analog output EM- S2OUTA (current output)
General
Operation modes
525.
Operation mode
0 -Off
analog value EM-S1INA,
41 -
abs. value
100 -20 mA
Adjustment
Adjustment
528 is used for this purpose.
Parameter
No.
Description
528 Adjustment
The measurements for the adjustment are to be done with a suitable
measuring instrument and the correct polarity.
The order shown in the example is to be complied with during the ad-
justment.
If not, faulty measurements and settings can result.
Select operation mode "0 – Off" for the parameter
Enter the current measured on the output in the parameter
Select operation mode "100 -20 mA" for parameter
Enter the current measured on the output in the parameter
Select operation mode "0 – Off" for the parameter
the current measured at the output deviates from 0 mA significantly, carry out the
adjustment procedure again.
Note:
The greatest precision to be achieved is approx. +/-16 µA.
Select the required operation mode of the analog output for parameter
mode
525.
Function
Analog output switched off;
0 mA current for the adjustment
abs. value of signal on the analog input EM-
S1INA,
between 0.0 mA...20.0 mA
20 mA current for the adjustment
Operation modes 1...54;
Act. absolute value between 4 mA...20 mA
Setting
Min.
-10.00 mA
30.00 mA
Operation mode
Operation mode
Operation mode
Operation
Max.
Fact. sett.
0.00 mA
525.
Adjustment
528.
525.
Adjustment
528.
525. In case
Operation
61
61
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