The Feedback Fault That Is Not the Encoder: FLT S45, the DSL Cable and the Ground That Hides It

A terminal view of a DSL feedback connection on a Kinetix 5700: MF-A terminals D plus and D minus with a twisted pair on each, the cable braid landing in the shield clamp at the bottom front of the drive, and the motor power conductors and frame ground landing on the MP-A connector from the same jacket

The Feedback Fault That Is Not the Encoder: FLT S45, the DSL Cable and the Ground That Hides It A 2198-D020-ERS3 running a VPL-B1306F has thrown FLT S45 – FDBK COMM FL four times in six weeks, and there is a third motor on order. The drive has been measuring the actual cause the entire … Read more

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