308 Control units of the drive
FSO-xx safety functions module connection (X12)
See the user manual of the FSO-xx module. Note that the FSO-xx safety functions module
is not in use in supply (or DC/DC converter or brake) units.
SDHC memory card slot
The BCU-x2 has an on-board data logger that collects real-time data from the power modules
to help fault tracing and analysis. The data is stored onto the SDHC memory card inserted
into the SD CARD slot and can be analyzed by ABB service personnel.