SJ 20783-2000 小型白炽灯泡总规范

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Product Code:SAE J2178/2
Title:Class B Data Communication Network Messages - Part 2: Data Parameter Definitions
Issuing Committee:Vehicle Architecture For Data Communications Standards
Scope:This SAE Recommended Practice defines the information contained in the header and data fields of non-diagnostic messages for automotive serial communications based on SAE J1850 Class B networks. This document describes and specifies the header fields, data fields, field sizes, scaling, representations, and data positions used within messages.The general structure of a SAE J1850 message frame without in-frame response is shown in Figure 1. The structure of a SAE J1850 message with in-frame response is shown in Figure 2. Figures 1 and 2 also show the scope of frame fields defined by this document for non-diagnostic messages. Refer to SAE J1979 for specifications of emissions related diagnostic message header and data fields. Refer to SAE J2190 for the definition of other diagnostic data fields. The description of the network interface hardware, basic protocol definition, electrical specifications, and the CRC byte are given in SAE J1850.SAE J1850 defines two and only two formats of message headers. They are the Single Byte header format and the Consolidated header format. The Consolidated header format has two forms, a single byte form and a three byte form. This document covers all of these formats and forms to identify the contents of messages which could be sent on a SAE J1850 network.This document consists of four parts, each published separately.

标准名称：	阀门密封面等离子弧堆焊 技术要求
中标分类：	机械 >> 通用零部件 >> 阀门
替代情况：	被JB/T 6438-2011代替
发布部门：	中华人民共和国机械电子工业部
发布日期：	1992-07-20
实施日期：	1993-01-01
首发日期：	1900-01-01
作废日期：	2011-08-01
提出单位：	机械电子工业部合肥通用机械研究所
归口单位：	机械电子工业部合肥通用机械研究所
起草单位：	机械电子工业部合肥通用机械研究所
起草人：	许凤兰
出版社：	机械工业出版社
出版日期：	1993-01-01
页数：	6页
批文号：	机电科标[1992]1175号

本标准规定了阀门密封面等离子堆焊对焊工、堆焊材料、常用基体材料、堆焊工艺、质量检验、缺陷修复等方面的要求。本标准适用于碳钢、合金钢、不锈钢等通用、电站、石油化工阀门密封面等离子弧堆焊钴基、镍基、铁基合金粉末材料的制造与检验。

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