Time Stamp

CCAT-based CAN controllers (e.g. FC512x, -M510) return the time at which the CAN frame arrived with a reception time stamp (64-bit integer value in nanoseconds).

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Time Stamp 1:
Fig.4: Time Stamp
Time Stamp 2:

EL6753: time base

For the EL6753, the time base is the local time of the terminal in ns from the moment power is turned on, not the EtherCAT DC or TwinCAT system time