Retrofitting Deckel FP4ATC

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Mbrand1901
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02 Jan 2026 17:57 - 02 Jan 2026 19:04 #340894 by Mbrand1901

Retrofitting Deckel FP4ATC was created by Mbrand1901

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!

Last edit: 02 Jan 2026 19:04 by Mbrand1901.

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Mbrand1901
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02 Jan 2026 19:51 - 02 Jan 2026 19:57 #340897 by Mbrand1901

Replied by Mbrand1901 on topic Retrofitting Deckel FP4ATC

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

Last edit: 02 Jan 2026 19:57 by Mbrand1901.

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Mbrand1901
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02 Jan 2026 20:26 #340898 by Mbrand1901

Replied by Mbrand1901 on topic Retrofitting Deckel FP4ATC

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?

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tommylight
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02 Jan 2026 21:50 #340899 by tommylight

Replied by tommylight on topic Retrofitting Deckel FP4ATC

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.

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Retrofitting Deckel FP4ATC

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