<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 set is required.

Note: Check Poll after set on 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.

More information

Global parameters.