SIS SS IEC 625-1983 电子测量设备.可编程测量仪接口系统

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标准号:SIS SS IEC 625-1983
中文标准名称:电子测量设备.可编程测量仪接口系统
英文标准名称:Electronic measuring equipment - Interface system for programmable measuring instruments
发布日期:1983/4/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1.1 This standard is applicable to interface systems used to interconnect both programmable and non-programmable electronic measuring apparatus with other apparatus and accessories neces-sary to assemble instrumentation systems.1.1.2 This standard is applicable to the interface of instrumentation systems, or portions of them. in which:- the data exchanged among the interconnected apparatus is digital (as distinct from analogue);- the number of devices that may be interconnected by one contiguous bus does not exceed 15;- the total transmission path length ?ver the interconnecting cables does not exceed 20 nr,- the data r?te across the interface on any signal line does not exceed 1 megabit per second.The basic functional specifications of this standard may be used in digital interface applica-tions which require longer distances, more devices, increased noise immunity, or combinations of these. Different electrical and mechanical specifications may be required (e.g., symmetrical circuit configurations, high threshold logic, special connectors or cable configurations) for these extended applications.1.1.3 This standard may also be applicable to other instrumentation system elements such as processors, stimulus, display, or storage devices, and terminal units found useful in instrumentation systems.1.1.4 This standard applies generally to laboratory and production test environments which are both electrically quiet and restricted as to physical dimensions (distances between the system compo-nents).1.1.5 A primary focus of this standard is to set forth an interface system to interconnect self-contained apparatus to other apparatus by external means. This standard may be also applied to interconnect the internal subsections within a self-contained equipment.

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