标准编号：ISO 21919-1:2019
中文名称：自动化系统和集成 自动机器照管的接口 第1部分：概述和基本原理
英文名称：Automation systems and integration — Interfaces for automated machine tending — Part 1: Overview and fundamental principles
发布日期：2019-10
标准范围
ISO 21919 describes interfaces for automated machine tending of at least one computer numerically
controlled (CNC) machine by using a machine tending device. These interfaces are the link between
automated machine tending devices and machines used for production. The automated machine tending
is initiated by either the machine tending system or by the machine.
This document gives an overview and defines the fundamental principles on how the interfaces are set
up. It defines the necessary vocabulary and sets the syntax for the structure of signals. It distinguishes
between the safety interface, the control interface and project specific extensions.
This document defines three conformance classes and dedicated conformance options. Classes and
options consist of a number of signals to simultaneously:
— allow a flexible adaptation of the interface(s) to a project-specific scope of functions;
— tie sets of signals tight enough to avoid unnecessary coordination efforts between suppliers of the
machine tending devices and machines.
ISO 21919 concentrates on the control-related and safety-related connections. It does not describe the
mechanical connections, it does not determine the transfer physics, a pin assignment, the hardware
of the interfaces or measure of communication, e.g. protocol, and it is not intended to be used for
communication to a MES (Manufacturing Execution System).
NOTE ISO 21919-2 deals with the safety interface and control interface, allocating signals to a conformance
class and/or conformance option, describing the detailed functions of each signal, describing and displaying the
timing interactions between signals in flow charts and showing examples for safety matrices and safety-related
functional relationships.
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