# FlexController

The FlexController contains the central processing logic for internal and external communication.

One FlexController can control several FlexDrives.

The FlexController has the following functions:

- USB 2.0

- Ethernet communication (factory network, service and industrial port) 100BaseTX (100Mbit, 3 ports), full duplex

- Communication with fieldbus module

- PROFIsafe capability (only valid for 8436 1500 01)

- Real Time Clock (RTC) with backup (10 years)

- External fully isolated IO ports.