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add note on MARI jaws being servos #116

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Nov 25, 2025
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add note on MARI jaws being servos #116

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2 changes: 2 additions & 0 deletions doc/processes/instrument_details/MARI-Instrument-Details.md
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Expand Up @@ -53,6 +53,8 @@ A Galil is used to drive the jaws.
##### Note: Jaws #####
Single 4-blade jaw-set. Jaws are driven by a Galil.

These are actually servo motors with effectively an "absolute" encoder fed in via the galil's analog inputs.

##### Note: Pfeiffer #####
[Model TPG 300](https://www.pfeiffer-vacuum.com/en/products/measurement/modulline/controllers/?detailPdoId=3407), used for vacuum system read-back. May actually be read back via PLC.

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