Standard
JOINT SAE/TMC ELECTRONIC DATA INTERCHANGE BETWEEN MICROCOMPUTER SYSTEMS IN HEAVY-DUTY VEHICLE APPLICATIONS
1989-11-01
HISTORICAL
J1587_198911
This document defines a document for the format of messages and data that is of general value to modules on the data communications link. Included are field descriptions, size, scale, internal data representation, and position within a message. This document also describes guidelines for the frequency of and circumstances in which messages are transmitted. In order to promote compatibility among all aspects of electronic data used in heavy-duty applications, it is the intention of the Data Format Subcommittee (in conjunction with other industry groups) to develop recommended message formats for: a Vehicle and Component Information - This includes all information that pertains to the operation of the vehicle and its components (such as performance, maintenance and diagnostic data). b Routing and Scheduling Information - Information related to the planned or actual route of the vehicle.