ethercat-conf.xml pdoentry limits?

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1 year 4 months ago - 1 year 4 months ago #329588 by Soccer Kid
The PDO entries of the EtherCAT master are 128 in number. Any error will occur if the number exceeds this limit. For the same type of enumerated points, you can use the abbreviated form for writing. For example:<pdoEntry idx="6000" subIdx="01" bitLen="32" halPin="bit-in" halType="bit"/> Here, an input point with a sub-index ranging from 1 to 32 is declared.
Last edit: 1 year 4 months ago by Soccer Kid.

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1 year 4 months ago #329592 by esmurf
When i created this thread, i didn't know, where this 10 limit comes from.
Later i searched the servo drives docs and even found the limit mentioned there...
Will try to move some settings to SDO.
But its still annoying, because homing alone has more than 10 PDO parameters (eg speed, torque limit, time limits, etc). Many of them are somewhat just "nice to have".
But it seems, if i want to use them, i would need to switch ethercat-conf.xml (multiple times) during a linuxcnc program run. If that is even possible.
However in the near term i will go the simple route and stay within the 10 limit.

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1 year 4 months ago #330442 by SwitchWitch
Any progress so far? Did you manage to do internal homing cycles with the A6?

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1 year 4 months ago #330443 by esmurf
Yes it works for me.
However right now, i do not yet have the actual machine ready, only the servos mounted next to each other on a piece of chipboard.
I can home and run the "demo" that comes with Axis Gui.

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