<PORT>_SYNC_ONLY

For Device Communications that support asynchronous polling by default, including:
Triplex
AB Ethernet
Mitsubishi TCP/IP
Sharp
Purpose 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.
Comments Replace <PORT> with the actual port name. Example S90TRI1_SYNC_ONLY
Value Y Polling for all devices on the port is synchronous only.
N Asynchronous polling for all devices on the port, where the feature is supported by the device communication interface, is enabled.
Default Value N
Note: Where it is available, asynchronous polling typically provides better data collection performance than does synchronous polling.