Enable synchronous communication

Determines whether the variable server uses synchronous calls with a VisiWin driver. This is particularly important if:

• the read or write access in a group is set to synchronous (read/write access parameter)

• the parameter Read start values not synchronised of the communication component is set to "False".

Setting	Description of the
	Synchronous calls are used.
	Synchronous calls are executed as asynchronous calls.

Parameters for module:

• Variables

• Communication channel (VisiWin(.NET) driver)