Create a User-Defined Function Block (UDFB)

Before you begin

If you have not already done so, create a new project (Traffic_Light) that contains a Micro850 controller (2080-LC50-24QVB) and a plug-in memory module (2080-MEMBAK-RTC).

What you will accomplish

In this step, you will perform the following tasks.

• Create a user-defined function block element and variables <View>
• Add contacts to the first ladder rung <View>
• Add an instruction block and time delay to the first ladder rung <View>
• Add a second rung <View>
• Add additional rungs and edit variable assignments <View>