The CPU module is the HiBus master for the internal and external interface modules.
In this module, the raw interface values are processed by averaging, linearization and scaling. Furthermore, limit value monitoring as well as control, regulation and communication functionalities are provided.
| Interfaces | 2x RS-232 serial interfaces 1x RS-485 interfaces 2x Ethernet port |
| Processor | 2 x 1-GHz 32 bit processor (process CPU and service CPU) Separate communication processor |
| Safety | Redundant system monitoring unit |
