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hello, for some reason delta put a sticker on for their high frequency drive VFD-H, i removed the sticker and it was actually a B drive VFD-B and i checked the manual it does support modbus,

JT wrote:

I deleted my post because I had the nic set to 10.10.10.10 and the ping times were quite wrong.

JT

That is what i was pointing out when the post disappeared on me!

..

  The sensor controls the flow of current through the wire, a simple electronic circuit that operates over a wide range of voltages and gives a low state at the output when the current flow disappears. See diagram.The connectors on the left side 1 and J1 are connected to the wire and the connectors 1 and J2 on the right side are the output.

Thank you for the explanation, in the morning I checked with a friend on the milling machine and he has similar solutions, now I know that it is ok

I deleted my post because I had the nic set to 10.10.10.10 and the ping times were quite wrong.

JT

Die Konstruktion ist halt sehr nichtlinear da werden natürlich Schwenkachsenwinkel und die Position der Kugeltriebspindel auch nie in einem linearen Verhältnis zueinander verlaufen.
Wenn dir der open loop Betrieb nicht präzise genug ist dann könntest du eventuell die Encoderposition in einer hal-Komponente in die Motorposition des Kugeltriebes umrechnen und dann mit einem PID korrigieren.
Wie realistisch das in einer Regelschlaufe ist kann ich aber mangels Erfahrung nicht beurteilen.