Mitsubishi Electric MELSEC iQ-R Series User Manual page 29

High speed digital-analog converter module
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Setting method
To perform an analog output test, configure the settings in the device test of the engineering tool following the procedure
shown below.
1.
Set 'CH1 D/A conversion enable/disable setting' (Un\G500) of the buffer memory to D/A conversion enabled (0).
2.
Turn on 'Operating condition setting request' (Y9).
3.
Check that 'Operating condition setting completed flag' (X9) has turned off, and turn off 'Operating condition setting
request' (Y9).
4.
Set the digital value equivalent to the analog value to be output for 'CH1 Digital value' (Un\G460) or 'CH1
Synchronization digital value' (Un\G9500) in the buffer memory.
5.
Turn on 'CH1 Output enable/disable flag' (Y1).
Precautions
Normal
• When a digital value that is out of the setting range is written to each channel, a digital value setting range error (error code:
191H) occurs and the corresponding check code is stored in 'CH1 Set value check code' (Un\G400).
High speed
• When a digital value that is out of the setting range is written to each channel, an error code and check code are not stored,
but the analog output is limited to the upper limit or lower limit of the setting range.
Synchronization
1.6 Analog Output Test Function When the CPU Module is in STOP State
1
1 FUNCTIONS
27

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