Read Scheduled Endpoint

Requires: Base Development System

Reads a value from a Tag channel at a scheduled time.

You can drop this endpoint on the block diagram by right-clicking a Tag channel terminal or wire and selecting Create»Channel Reader»Tag»Read Scheduled.

Details  

	scheduled time specifies the time when the endpoint should read data from the channel.
	channel is the channel wire that connects this endpoint to a writer endpoint.
	actual time returns the actual time when the endpoint read data from the channel.
	element returns the data that this endpoint reads from the channel. If a timeout occurs or the channel aborts, the data will be the last value that this endpoint reads from the channel.
	missed returns the number of times that the element from the channel has been overwritten. -1 The element has not been overwritten since the last successful read operation. Or the element has not been written at all if this is the first time the element was read. Or the channel was aborted from any endpoint. 0 The element is newly written since the last successful read, even if the newly written element is the same as the previous element. positive number The element has been overwritten the specified number of times between this endpoint's last read operation and this read operation.

Read Scheduled Details

Related Information

Write Scheduled