National Instruments NI-FBUS - Manual (Page 44)

Chapter 2 Using the NI-FBUS Configurator
© National Instruments Corporation 2-21 NI-FBUS Configurator User Manual
2. Click the blocks in the order that you want them to execute.
3. When you are done, click in the background of the Function Block
Application Editor or select another tool. The change will be reflected
in the schedule. For more information, refer to the
View and Edit a
Schedule section.
Setting the Stale Limit
Click the Stale Limit field to adjust the number of consecutive duplicate
values that a function block accepts before it labels the input data as stale
(old data).