User Manual

STN1100
2 of 23 www.obdsol.com STN1100FRPMA
Table of Contents
1.0
 Overview ......................................................................................................................................................... 3
2.0 Feature Highlights ......................................................................................................................................... 3
3.0 Typical Applications ...................................................................................................................................... 3
4.0 Communicating with the STN11xx ............................................................................................................... 4
5.0 AT Commands ................................................................................................................................................ 5
5.1 Supported ELM327 Programmable Parameters ......................................................................................... 8
6.0 ST Commands ................................................................................................................................................ 9
6.1 General ST Commands ............................................................................................................................. 10
6.2 Device ID Commands ................................................................................................................................ 10
6.3 PowerSave Commands ............................................................................................................................. 11
6.4 CAN Specific ST Commands .................................................................................................................... 12
6.5 ISO Specific ST Commands ...................................................................................................................... 12
6.6 Filtering ST Commands ............................................................................................................................. 13
6.7 Monitoring ST Commands ......................................................................................................................... 13
7.0 OBD Requests .............................................................................................................................................. 14
8.0 OBD Message Filtering ................................................................................................................................ 14
8.1 Non-CAN Protocols ................................................................................................................................... 14
8.2 CAN Protocols ........................................................................................................................................... 15
9.0 CAN Message Reception............................................................................................................................. 16
10.0 PowerSave Functionality ............................................................................................................................ 18
10.1 Control Modes ........................................................................................................................................... 18
10.1.1 Native PowerSave Mode .................................................................................................................. 18
10.1.2 ELM327 Low Power Mode ................................................................................................................ 18
10.2 Sleep Triggers ........................................................................................................................................... 18
10.2.1 STSLEEP and ATLP commands ...................................................................................................... 18
10.2.2 UART Inactivity ................................................................................................................................. 18
10.2.3 External SLEEP Input ....................................................................................................................... 19
10.3 Wakeup Triggers ....................................................................................................................................... 19
10.3.1 UART Rx Pulse Wakeup .................................................................................................................. 19
10.3.2 External SLEEP Input Wakeup ......................................................................................................... 19
10.4 External Power Control Output .................................................................................................................. 19
10.5 Device Specific Details .............................................................................................................................. 19
10.5.1 OBDLink Rev 1.x .............................................................................................................................. 19
10.5.2 OBDLink Hardware Rev 2.x .............................................................................................................. 20
10.5.3 OBDLink S ........................................................................................................................................ 20
11.0 Error Messages ............................................................................................................................................ 21
Appendix A: Revision History .............................................................................................................................. 22
Appendix B: Contact Information ........................................................................................................................ 23