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No, Mesa 7i80 does not go with 7i77 and 7i85, the Mesa 7i92TM goes with those. 7i80 is 50 pin, 7i92 is 25/26pin.
There are other options also, the 7i77 is hard to find so a bit more searching is needed, on the 50 pin stuff i can not help, but for 25 pin stuff i used a lot, here are some options:
-7i97T it is roughly the same as 7i92TM with 7i77, with 7i85 or even better with 7i74 as this needs plain LAN cables to wire the 7i70 (48 inputs) and/or 7i71/7i72 (48 outputs sinking or sourcing), or 7i84 (32 in and 16 out)
-7i92TM (notice the M, makes it directly plugable into 7i77 so no need for IDC26 to DB25 cable and adapter), with 7i85 OR 7i74
-7i96S (step/dir and spindle) with 7i83 (analog outputs) and 7i85 (encoder and SSerial) for 7i70/7i71/7i72/7i84
-
I think there is also 7i93 IRC should have 3 of IDC26 headers, but not sure, should be same as 7i92 with more IO. Again, do double check this.

The original contoller (in the control cabinet) has 56 Inputs and 92 Outputs. 
I am going to ned an analog Output for the servos and a sin/cos (1 Vpp)u Input for the linear encoders. The servos also have some encoders on them, but these are only for the velocity.
Later i am going to need another analog Output for the spindle.

In my mind i am going to use a mesa 7i80HDT as a base for the daugthercards. For the spindle and the servos a 7i77 and for the linear encoders a 7i85, because that one can read the 1 Vss signal.
For the other I/Os i would use some 7i70‘s and 7i71‘s.

Please correct me, if i am going to make a mistake?

This machine has a Contour 3 controller.
At first i want to move all axis. Then the spindle and at last the toolchanger.
I want to keep the old simens servos with the bosch servocontrolls. I also want to keep the linear Heidenhein encorder. They are still in a good shape and still work. 

A list of all the components on the machine i want to keep to move the table:

Heidenhein LS904
 
Bosch tr15-xa-140-230V
Simens 1HU3071-0AC01-Z
 

Well i guess I should ask is the program prefix (~/home/cnc/linuxcnc/nc_files) a valid path too.

ok.
I see there two entries for:
PROGRAM_PREFIX = /home/cnc/linuxcnc/nc_files

should only be one entry and they are both wrong. should be:
PROGRAM_PREFIX = ~/home/cnc/linuxcnc/nc_files

I don't think this is the problem bit please fix it anyways,
Then can you run linuxcnc from a terminal, do a MDI tool change and post the terminal output.

Hello!
I currently bought a used Deckel FP4ATC. Now the want to retrofit it. I am going to document my journy and hopefully is going to be successful. It would be nice if someone could help me a bit. Thank you!
 

I started working on the layout of the new control cabinet using plain old cardboard, which actually works surprisingly well.

Given the space constraints, I currently think it makes sense to place the components related to the three axes on one of the side walls, and put the remaining components on the back wall. I’m not done with the puzzle yet, but it’s starting to come together.

I’d be interested in any feedback or suggestions you might have.

If a 1A fuse blows with no encoders connected and analog outputs open (or at least not shorted).
the 7I97T is damaged...

I don't use cia402 homing so someone else has to come with advice on that.
If you just want something that works you can use standard linuxcnc homing.
linuxcnc.org/docs/html/config/ini-homing.html

You can always revisit cia402 homing later on.
 

Hello,

I have now checked my entire configuration again.
I have also tried different homing methods.
Unfortunately, the error persists.
After homing is complete, the axes jump back and the servo shows Er87.1.
The axis is then referenced.
The error occurs on all axes.

Does anyone have any advice?

I installed a 1A FF miniature fuse for the Mesa.

I am unable to reproduce the error on the sim because I needed to trigger the probe while it was going to home or the starting location to start probing. This would cause a G38.2 error then the lockout would start. I ran a debug and returned a [Error] from a specific routine. I should have grabbed a screenshot.. I noticed a difference in the sim subroutines folder vs the subroutines folder I got from the github. I replaced all the files and lockout is no longer accruing

What Mesa fuse? There are PTCs to protect the 5V encoder wiring, if these trip, you have a wiring error.

All correct, see attached screenshots

Thanks for the clarification spumco. I had thought for sure Fusion 360 had said something as to not working 
on windows 10 machines as of 1-1-2026, but since it is still for the moment working on my Win10 stuff.
I must have been mistaken. I will have to look back to see how to do Win11 LTSC. And yes for me
I am still stuck having to use windows for certain things at work. UGH