BECKHOFF EL9800 - Manual (Page 26)

I-24 Application Note EL9800
6.2 Project settings
a. To select the compiler, linker and assembler choose [Project]  [Select Language
Toolsuite…] in menu bar.
Figure 32: Select tools
b. Choose the corresponding Toolsuite
- <= EL9800_2: “HI-TECH PICC-18 Toolsuite”.
- >= EL98004A: “Microchip XC16 Toolsuite”
c. If necessary correct the path in the location field.
Figure 33: Microchip XC16 Toolsuite
a. Select the corresponding PIC for the EtherCAT slave platform. Therefore click [Configure] 
[Select Device…].
For evaluation boards up to and including version EL9800_2 select
“PIC18F452”.
For evaluation boards from version EL9800_4A select “PIC24HJ128GP306”