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Inc. 707 Dayton Road --P.O. Box 1040 --Ottawa, IL 61350 USA Phone (815) 433-5100 -- General Fax (815) 433-5105 Home Page: Sales e-mail: orders@bb-elec.com --Fax (815) 433-5109 Technical Support e-mail: support@bb-elec.com --Fax (815) 433-5104 European Headquarters B&B Electronics Ltd. Westlink Commercial Park, Oranmore, Co. Galway, Ireland Phone +353 91 792444 --Fax +353 91 792445 Home Page: Sales e-mail: orders@bb-europe.com Technical Support e-mail: support@bb-europe.com . B&B Electronics – November 2000 1939STB4600 Manual Cover Page B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 Table of Contents INTRODUCTION ......................................................................................1 SAE Publications..................................................................................1 WARNING!................................................................................2 DESCRIPTION.............................................................................................3 Physical Description ............................................................................4 Electrical Specification ........................................................................4 Communication directed to the device .................................................5 Control Byte 3 ............................................................................................. 6 Control Byte 4 ............................................................................................. 7 Internal Functions................................................................................8 Vendor String .............................................................................................. 8 RS-232 Baud Change .................................................................................. 9 External Commands ...........................................................................13 Message Header Setup............................................................................... 14 Message Information ................................................................................. 15 Byte 5 ........................................................................................................ 16 Byte 6 ........................................................................................................ 17 Byte 11 ...................................................................................................... 18 SAE-J1939 CONTROL HEADER..........................................................19 BYTE 7....................................................................................................21 BYTE 8....................................................................................................23 BYTES 9 AND 10......................................................................................25 BYTE 11..................................................................................................26 Data Field .................................................................................................. 28 Reception of Data ...................................................................................... 29 SAE-J1939 BUS......................................................................................29 INTERNAL MESSAGES ........................................................................31 SOFTWARE .............................................................................................32 Installation................................................................................................. 32 Message Transmission............................................................................... 34 Message Reception .................................................................................... 34 Saving Message Information .................................................................... 35 File Logging ............................................................................................... 35 APPENDIX A: EXTENDED CAN/SAE-J1939 MESSAGE FRAMEA-1 APPENDIX B: EXAMPLE....................................................................B-1 1939STB4600 Manual Table of Contents B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91 792444 – Fax +353 91 792445 Introduction SAE-J1939 is a communication protocol developed by SAE (Society of Automotive Engineers). The communication protocol is based on the CAN specification developed by Bosch 2.0 part B (September, 1991). Before using the Model 1939STB the user should be familiar with the SAE publications listed below, and follow all the gui...