PLC features of the BX controllers
| Description | Value | 
|---|---|
| Data memory | 256 kbyte | 
| Program memory | 256 kbyte minus task-configuration minus POUs during online change | 
| Source code memory | 256 kbyte | 
| RETAIN | 2 kbyte | 
| INPUT | 2 kbyte | 
| OUTPUT | 2 kbyte | 
| FLAG | 4 kbyte | 
| Max. variable size | 16 kbyte | 
| Max. POUs | Limited by memory |