Yokogawa has the possibility to write in sequence blocks (cause & effect) diagrams, in Logic blocks, control blocks and a programming language. All are accessible from the control builder. Furthermore, Yokogawa has a Test tool function as an option to simulate the CP.
They have one book who describes the function of all blocks you can use to build your application.
Yokogawa offers training to corporate clients. If you are using CS3000 or later, yokogawa conducts courses in Engineering, Opeartion & Monitoring, and Maintenance.