G1_XIST1 and G1_XIST2

simnav
Posts: 1
Joined: 07 May 2025, 12:28

G1_XIST1 and G1_XIST2

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What's the difference between G1_XIST1 and G1_XIST2 when G1_XIST2 reports the actual encoder position?
Raik.Zachmann
PROFINET Expert
Posts: 36
Joined: 19 Sep 2023, 07:37

Re: G1_XIST1 and G1_XIST2

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simnav wrote: 07 May 2025, 17:27 What's the difference between G1_XIST1 and G1_XIST2 when G1_XIST2 reports the actual encoder position?
In case of absolute encoders G1_XIST1 and G1_XIST2 report the actual encoder position.
The shift factor of G1_XIST1 could be set to different value (freely defined and may not match the internal resolution).
This would increase the overall resolution of the encoder.
The difference between both is:
- G1_XIST1 can be increased above the total resolution of the encoder using the complete range of this signal
- G1_XIST2 shall use only the bits representing the total resolution of the encoder
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