5 I/O Refreshing
5 - 32
NX-series Digital I/O Unit User’s Manual (W521)
Add NX Units that support output refreshing with specified time stamp to the CPU Unit configuration or
Slave Terminal configuration.
After you add the NX Units, set an I/O refreshing method depending on the connected CPU Unit or
Communications Coupler Unit so that these NX Units operate with output refreshing with specified time
stamp.
Refer to 5-2-2 Setting the I/O Refreshing Methods on page 5-7 for information on how to set an I/O
refreshing method.
Do not set the DC enable setting to Disabled (FreeRun). If it is set to Disabled, the output
refreshing with specified time stamp will not operate correctly. However, an error does not occur
even if it is disabled.
If the DC enable setting is set to Disabled (FreeRun), outputs are not refreshed regardless of
the output set values and values of the specified time.
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