A/D Conversion Enable/Disable Setting Function; A/D Conversion Method - Mitsubishi Electric MELSEC iQ-F FX5 User Manual
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A/D Conversion Enable/Disable Setting Function
This function controls whether to enable or disable the A/D conversion for each channel.
The conversion process time can be reduced by disabling conversion for unused channels.
Corresponding devices
The devices in which the function to enable/disable A/D conversion can be used are listed below.
Name
A/D conversion enable/disable setting
Setting methods
A/D conversion is enabled/disabled for each channel by the setting to enable/disable A/D conversion.
Name
A/D conversion enable/disable setting
Setting is enabled from the next END process that detected the change in the setting value. However, if there
a problem in the value set for the A/D conversion method, changing this setting from disabled to enabled will
not result in an enabled status.
Operation
The analog input is converted to a digital signal only for the channel(s) which have been enabled for A/D conversion by the
setting to enable/disable A/D conversion.
The A/D conversion method can be changed by changing the A/D conversion from disabled to enabled.
A/D Conversion Method
Specify the method of A/D conversion for each channel.
The following A/D conversion methods are available.
Method
Sampling processing
Time average
Count average
Moving average
Corresponding devices
The devices used by the A/D conversion method are listed below.
Name
Average processing specify
Time Average/Count Average/Moving Average setting
4 FX5U CPU MODULE BUILT-IN ANALOG
146
4.3 Functions (Analog input)
Description
Method of converting each analog input with END processing to generate the equivalent digital output value.
Method of averaging the time of A/D conversion values and outputting these average values as the digital signal.
Method of averaging the count of A/D conversion values and outputting these average values as the digital signal.
Method of averaging the analog input for a specified count measured at every END process, and outputting these
average values as the digital signal.
CH1
SM6021
Allowable setting range
0: Enable A/D conversion
1: Disable A/D conversion
CH1
SD6023
SD6024
CH2
SM6061
Default value
1: Disable A/D conversion
CH2
SD6063
SD6064
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