AL.068 Absolute data transmitted via I/O is error – Delta servo troubleshooting

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Name	Description	ALM	WRN	SRV ON	Clear Way
AL.068 data transmitted via I/O error	The sequence is wrong when reading the absolute position via DIO.		⊗	Yes	after power cycling

Causes	Checking Method	Actions
Sequence error	Switch OFF DI ABSQ until DO ABSR is OFF. Switch ON ABSQ until DO ABSR is ON.	Correct the reading sequence of I/O.
Reading time out	Check if the time between switching ON DO ABSR and switching ON ABSQ exceeds 200 ms.	After switching ON DO ABSR (the absolute position data is ready), read DO ABSD and switch ON DI ABSQ within 200 ms so as to inform the servo drive data reading is completed.

(The above information is referenced from Delta Electronics IMSBU)

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Other reasons	Checking Method	Actions

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