For
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Device Communications that support asynchronous polling by default, including:
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Triplex
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AB Ethernet
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Mitsubishi TCP/IP
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Sharp
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Purpose
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To disable asynchronous polling for all devices on a port if poll after setis required.
Note: Check Poll after seton the Device tab in the Point Properties dialog box to enable the functionality.
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Comments
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Replace <PORT> with the actual port name.
Example
S90TRI1_SYNC_ONLY
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Value
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Y
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Polling for all devices on the port is synchronous only.
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N
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Asynchronous polling for all devices on the port, where the feature is supported by the device communication interface, is enabled.
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Default Value
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N
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Note: Where it is available, asynchronous polling typically provides better data collection performance than does synchronous polling.