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Unfortunately, if i put vel_from_device: "(obj3A04)2pi/60" then i get the error:

It look like that 3A04 is a struct/record. In this case you cannot use it as a variable.

3A04.01h which is also the velocity measurement in rpm

Try something like

vel_from_device: "2*pi/obj3A04sub1"

sub1 corresponds to .1h. Velocity is inversely proportional to RPM (that's why I implemented these expressions instead of factors).

Unfortunately, if i put vel_from_device: "(obj3A04)2pi/60" then i get the error:

It look like that 3A04 is a struct/record. In this case you cannot use it as a variable.

3A04.01h which is also the velocity measurement in rpm

Try something like

vel_from_device: "2*pi/obj3A04sub1"
"obj3A04sub1*2*pi/60"

(sub1 corresponds to .1h. Velocity is inversely proportional to RPM (that's why I implemented these expressions instead of factors). .)

Unfortunately, if i put vel_from_device: "(obj3A04)2pi/60" then i get the error:

It look like that 3A04 is a struct/record. In this case you cannot use it as a variable.

3A04.01h which is also the velocity measurement in rpm

Try something like

vel_from_device: "obj3A04sub1*2*pi/60"

(sub1 corresponds to .1h.01h.)

Unfortunately, if i put vel_from_device: "(obj3A04)2pi/60" then i get the error:

It look looks like that 3A04 is a struct/record. In this case you cannot use it as a variable.

3A04.01h which is also the velocity measurement in rpm

Try something like

vel_from_device: "obj3A04sub1*2*pi/60"

(sub1 corresponds to .01h.)