M569.3
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M569.3: Read Motor Driver Encoder
Report a current motor encoder positions to the host in units of arc degrees (1/360'ths of turns), relative to some reference position that you set with the S parameter.
Before the first call with the S parameter, the reference is unknown and arbitrary.
Parameters
- Pnn Motor driver number, or board address and driver number. Several (remote) drivers may be specified, separated by colon. No more than number of visible axes, as specified by M584 P parameter, are allowed.
- S Sets an encoder reference point. Current and subsequent M569.3 Pn.n calls returns numbers that are relative to the M569.3 Pn.n S call.
If P is not supplied, an error is returned.
A maximum of four CAN-connected drivers can be reached with M569.3 counting from machine boot. CAN addresses that fail to respond don't count towards this maximum.
Example
M569.3 Error: M569: missing parameter 'P'
M569.3 P54.0 Error: M569.3: Message not received
M569.3 P50.0:51.0:52.0:53.0 [-155.28, -4089.60, 6842.04, 0.00, ],
M569.3 P53.0:51.0:52.0:50.0 [0.00, -4089.60, 6842.04, -155.28, ],
M569.3 P53.0:51.0:52.0:50.0 S [0.00, 0.00, 0.00, 0.00, ],
M569.3 P49.0 Error: M569.3: Max CAN addresses we can reference is 4. Can't reference board 49.
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