Control Microsystems 5901 Manual de usuario Pagina 195

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IEC61131 User and Reference Manual
April 22, 2008
187
Enter the module address, 0 through 7, in the Value: entry field and click OK.
The ain0_type parameter sets the measurement type for analog input channel 1. There are
four input types available.
An ain_type of 0 sets the input point measurement type to degrees Celsius.
An ain_type of 1 sets the input point measurement type to degrees Fahrenheit.
An ain_type of 2 sets the input point measurement type to degrees Kelvin.
An ain_type of 3 sets the input point data measurement as resistance measurement
in ohms.
To set the ain0_type parameter, click the ain0_type icon and then select the set /
channel parameter command from the Edit menu. The I/O Board parameter dialog is
opened as shown below.
Enter the analog input type, 0 through 3, in the Value: entry field and click OK.
The ain1_type parameter sets the measurement type for analog input channel 2. See
ain0_type description above.
The ain2_type parameter sets the measurement type for analog input channel 3. See
ain0_type description above.
The ain3_type parameter sets the measurement type for analog input channel 4. See
ain0_type description above.
The ain_filter parameter sets the input filter rate for all RTD inputs. The filter rate is used to
dampen process variations or noise.
An ain_filter value of 0 sets the input filter rate to 0.5 seconds.
An ain_filter value of 1 sets the input filter rate to 1 second.
An ain_filter value of 2 sets the input filter rate to 2 seconds.
An ain_filter value of 3 sets the input filter rate to 4 seconds.
To set the ain_filter parameter, click the ain_filter icon and then select the set / channel
parameter command from the Edit menu. The I/O Board parameter dialog is opened as
shown below.
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