Experimental Physics and
Industrial Control System

Benjamin Franksen <[email protected]> · Fri, 22 Jun 2007 10:34:09 +0200

On Wednesday 13 June 2007 03:13, Luedeke Andreas wrote:
> Of course you can use PP on input links, too:
> it causes the record that the link points to to process before the data
> is read from the link.

Caveat: the data you get over a PP input link might be stale (i.e. not the 
new value but the old one from the last processing) if the record that the 
link points to is processed asynchronously. Whether processing is 
synchronous or asynchronous is mostly decided by the device support.

Cheers
Ben

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System