Mitsubishi Electric NZ2EX2B-60AD4 - Conversion Speed and Sampling Period

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8.5.1 Conversion speed and sampling period
Conversion speed is the rate at which an A/D converter module converts analog input values.
A sampling period is the period of conversion processing within the one channel.
A conversion period is the period of the update of a digital operation value with the A/D conversion method (sampling
processing or averaging processing) taken into account, and is equivalent to an integral multiple of the sampling
period. ( Page 95, Section 8.6)
The following figure shows the relationship between conversion speed and a sampling period.
The sampling cycle varies depending on the type of main analog module, the conversion speed, the type of extension
module, and the number of conversion enabled channels.
The following table shows the classification.
*1 For a D/A converter module, this column corresponds to the conversion period.
*2 For details, refer to the following:
•  CC-Link IE Field Network Digital-Analog Converter Module User's Manual
Main analog module Extension module
Conversion
speed setting
Sampling period
*1
Reference
Main A/D converter
module
• Not connected
• Extension I/O module
•100μs
•400μs
•1ms
Conversion speed × Number of
conversion enabled channels
Page 91, Section 8.5.1 (1)
Extension A/D converter module
100μs
200μs × Number of conversion
enabled channels
Page 91, Section 8.5.1 (2) (a)
400μs
500μs × Number of conversion
enabled channels
Page 92, Section 8.5.1 (2) (b)
1ms
1ms × Number of conversion
enabled channels
Page 92, Section 8.5.1 (2) (c)
Extension D/A converter module
•100μs
•400μs
•1ms
200μs × Number of conversion
enabled channels
Page 93, Section 8.5.1 (3)
Main D/A converter
module
• Not connected
• Extension I/O module
−
100μs × Number of conversion
enabled channels
*2
Extension A/D converter module −
200μs × Number of conversion
enabled channels
Page 94, Section 8.5.1 (4)
Extension D/A converter module −
200μs × Number of conversion
enabled channels
*2
CH1 CH1
Sampling period
: Period for conversion processing of one channel
Conversion
processing
Conversion
speed
Processing including
conversion processing
of other channels
Conversion
processing