ABB DSQC313 3HAC8365-1 is a serial measurement board used in the IRB 6400R robot system with the S4C controller generation. It belongs to the manipulator measurement chain, where axis-position feedback is collected before the controller evaluates robot motion.
Installed as part of the robot feedback hardware, ABB DSQC313 3HAC8365-1 is identified by both the DSQC board designation and the 3HAC ordering number. The two identifiers must remain together because the board family name alone does not distinguish the exact service record.
During replacement, ABB DSQC313 3HAC8365-1 is handled with the manipulator de-energized and the existing feedback connectors documented before removal. Cable positions, shielding and board seating are checked before the robot is returned to calibration and motion verification.









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