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SAE EIARS431 2015 Edition, July 1, 2015
Complete Document
Active, Most Current
Electrical Interface between Numerical Control and Machine Tools
Includes all amendments and changes through Stabilization Notice (No longer revised / updated) , July 2015
Additional Comments: FORMERLY TECHAMERICA -EIA-431
Page Count:21
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AIA/NAS Aerospace Standards
This standard covers both active and passive aspects of the electrical interface between the Numerical Control (NC) and the machine power and logic control, motor drive equipment, and other electrical apparatus on or associated with the machine tool. It covers:

Identification, grouping and wiring methods for signal and current-carrying conductors, grounding conductors, shields, and electrical transient suppression apparatus.

Voltage and current ratings and timing for on/off signals to and from the. NC.

Voltage and current ratings for analog velocity reference signals to drive apparatus fur axis motions and spindle or table rotation.