35 CPU MODULE BUILT-IN ANALOG FUNCTION
35.3 Functions (Analog Input)
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Digital operation value
A value obtained by operating a digital output value using the digital clipping function, scaling function, or shift function. When
any of the functions is not used, the same value as the digital output value is stored.
Analog input voltage monitor
The input voltage value is displayed. Voltage is displayed in the following units.
Voltage: mV
Maximum and minimum value
The maximum and minimum values of the digital operation values are stored.
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 which are used by the A/D conversion enable/disable setting function are listed below.
Setting methods
A/D conversion is enabled/disabled for each channel by the setting to enable/disable A/D conversion.
Setting is enabled from the next END process that detected the change in the setting value. However, if there
is 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.
While A/D conversion is disabled, the A/D conversion method setting can be changed.
Name CH1 CH2
A/D conversion enable/disable setting SM6021 SM6061
Name Allowable setting range Default value
A/D conversion enable/disable setting 0: Enable A/D conversion 1: Disable A/D conversion
1: Disable A/D conversion
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