PLC program interaction scenarios

The main property which is used to set behavior of the control is the Data Symbol. Binding the FB to the Data Symbol property with an appropriate set of variables may be sufficient to completely specify the behavior of the control. However, other properties can also be set at the same time to customize the behavior. Other properties take priority over similar variables of the Data Symbol property.

There are two ways to make a PLC FB bindable to the Data Symbol property:

Further Information