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EIA484A - Electrical and Mechanical Interface Characteristics and Line Control Protocol Using Communication Control Characters for Serial Data Link Between a Direct Numerical Control System and Numerical Control Equipment Employing Asynchronous Full Duplex Transmission

Details
Document Number: EIA484A
Revision Number: A
Title
Electrical and Mechanical Interface Characteristics and Line Control Protocol Using Communication Control Characters for Serial Data Link Between a Direct Numerical Control System and Numerical Control Equipment Employing Asynchronous Full Duplex Transmission
Scope
The increasing use of computers and related equipment in Direct Numericai Control (DNCI) Systems for storage and distribution of machine programs to numerically controlled machines and for communication between various components of DNC systems has demonstrated the need for a standard data communication link between the DNC and the numerical control unit. As a result, the EIA Committee IE-31 which is made up of representatives of numerical control system builders, machine builders and users has prepared this standard for use by people specifying, building and using DNC systems.

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