What is meant by “BCC” in the case of Balluff RFID? How is it calculated?

In Balluff RFID, BCC stands for Block Check Character. It is a checksum value calculated for a block of data to detect any errors that may have occurred during transmission or storage.

In Balluff RFID BCC calculation Syntax is

by using “XOR Logic” we calculate BCC

Suppose example -write user data to data carrier head 1 ,starting address 50 & length of byte 5