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Product Code:SAE ARP4714
Title:External Software Loading of Electronic Engine Controls
Issuing Committee:E-36 Electronic Engine Controls Committee
Scope: This paper presents guidelines for development of a procedure for external software loading of an electronic engine control(EEC)for a commercial application, on-wing or in a qualified service shop. This paper makes the following assumptions:a. The EEC is designed to accept external software loading.b. The EEC is certified as part of an engine.c. The support equipment is qualified in accordance with procedures set forth by the engine (and aircraft, if necessary) certifying authority if the EEC cannot detect an integrity violation of the loaded program.The software to be loaded has been approved by the engine and aircraft certifying authorities.One or more configurations of EEC hardware has been identified for each version of software which is to be loaded in the EEC.It is appropriate to use these guidelines in the initial development phase, although the certification issues would not be applicable.Approval as used herein means approval by the engine (and aircraft, if necessary) certifying authority. There are cases where the engine may commence certification activities and no specific aircraft application has been identified. In these cases, the aircraft certification authority should be notified of the EEC''s external software loading capability when the engine''s application is identified. The appropriate documentation can be delivered to the aircraft certifying authority at that time.
Rationale: This paper presents guidelines for development of a procedure for external software loading of an electronic engine control(EEC)for a commercial application, on-wing or in a qualified service shop. This paper makes the following assumptions:a. The EEC is designed to accept external software loading.b. The EEC is certified as part of an engine.c. The support equipment is qualified in accordance with procedures set forth by the engine (and aircraft, if necessary) certifying authority if the EEC cannot detect an integrity violation of the loaded program.The software to be loaded has been approved by the engine and aircraft certifying authorities.One or more configurations of EEC hardware has been identified for each version of software which is to be loaded in the EEC.It is appropriate to use these guidelines in the initial development phase, although the certification issues would not be applicable.Approval as used herein means approval by the engine (and aircraft, if necessary) certifying authority. There are cases where the engine may commence certification activities and no specific aircraft application has been identified. In these cases, the aircraft certification authority should be notified of the EEC''s external software loading capability when the engine''s application is identified. The appropriate documentation can be delivered to the aircraft certifying authority at that time.

标准名称：	汽车与挂车之间24N型电连接器
英文名称：	Electrical connections between motor vehicles and towed vehicles; Type 24N
中标分类：	车辆 >> 车用电子、电气设备与仪表 >> 电子、电气设备
ICS分类：	道路车辆工程 >> 道路车辆装置 >> 电气和电子设备
替代情况：	被GB/T 5053.1-2006代替
发布部门：	国家标准局
发布日期：	1985-03-09
实施日期：	1986-02-01
首发日期：	1985-03-09
作废日期：	2007-08-01
主管部门：	国家发展和改革委员会
归口单位：	全国汽车标准化技术委员会
起草单位：	交通部公路科学研究所
出版社：	中国标准出版社
出版日期：	1900-01-01
页数：	5页

本标准规定汽车与挂车之间24N型电连接器的插座与插头的规格、 型式。使电连接器具有互换性。本标准适用于电气系统的额定电压为24V的公路及城市道路车辆。本标准等效采用国际标准ISO 1185—1975《道路车辆——牵引车辆和被牵引车辆之间24V电气装置的24N型电气连接器(标准型)》。

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