问答系列（一） 点击：2664 | 回复：1
发表于：2002-10-14 16:25:00
楼主
各位：
ODVA有一专栏名为：DeviceNet博士，专供大家提问，并由专家进行答复。其中内容颇丰富。我准备将其中的内容陆续摘录于此，希望能为大家提供些参考。由于我的英语水平难上台面，均以原文摘录，请大家谅解。
Have you ever heard of higher level protocol J1850?
Answered by Cyrilla Dalstra, Conformance SIG Member,
e-mail:
A31) It is the main network used in US passenger cars today. Although they have all said they will be using CAN shortly (2002), it will be around for a long time. J1850 and ISO9141 (another network) are the only EPA approved Diagnostic networks. US Passenger cars are working on getting J2284 (a CAN-based network) approved. J1850 has its own chipset. It is a serial data link. Speed is either 10.4 Kbps or 41.6Kbps.
Have you ever heard of higher level protocol J1850?
Answered by Cyrilla Dalstra, Conformance SIG Member,
e-mail:
A31) It is the main network used in US passenger cars today. Although they have all said they will be using CAN shortly (2002), it will be around for a long time. J1850 and ISO9141 (another network) are the only EPA approved Diagnostic networks. US Passenger cars are working on getting J2284 (a CAN-based network) approved. J1850 has its own chipset. It is a serial data link. Speed is either 10.4 Kbps or 41.6Kbps.
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