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ELM327P Datasheet(PDF) 10 Page - ELM Electronics |
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ELM327P Datasheet(HTML) 10 Page - ELM Electronics |
10 / 76 page 10 of 76 ELM327 ELM327DSH Elm Electronics – Circuits for the Hobbyist www.elmelectronics.com AT Command Summary (continued) OBD Commands AL Allow Long (>7 byte) messages AR Automatically Receive AT0, 1, 2 Adaptive Timing off, auto1*, auto2 BD perform a Buffer Dump BI Bypass the Initialization sequence DP Describe the current Protocol DPN Describe the Protocol by Number H0, H1 Headers off*, or on MA Monitor All MR hh Monitor for Receiver = hh MT hh Monitor for Transmitter = hh NL Normal Length messages* PC Protocol Close R0, R1 Responses off, or on* RA hh set the Receive Address to hh S0, S1 printing of Spaces off, or on* SH xyz Set Header to xyz SH xxyyzz Set Header to xxyyzz SP h Set Protocol to h and save it SP Ah Set Protocol to Auto, h and save it SR hh Set the Receive address to hh SS use Standard Search order (J1978) ST hh Set Timeout to hh x 4 msec TA hh set Tester Address to hh TP h Try Protocol h TP Ah Try Protocol h with Auto search ISO Specific Commands (protocols 3 to 5) FI perform a Fast Initiation IB 10 set the ISO Baud rate to 10400* IB 48 set the ISO Baud rate to 4800 IB 96 set the ISO Baud rate to 9600 IIA hh set ISO (slow) Init Address to hh KW display the Key Words KW0, KW1 Key Word checking off, or on* SI perform a Slow (5 baud) Initiation SW hh Set Wakeup interval to hh x 20 msec WM [1 - 6 bytes] set the Wakeup Message J1850 Specific Commands (protocols 1 and 2) IFR0, 1, 2 IFRs off, auto*, or on IFR H, S IFR value from Header* or Source CAN Specific Commands (protocols 6 to C) CEA turn off CAN Extended Addressing CEA hh use CAN Extended Address hh CAF0, CAF1 Automatic Formatting off, or on* CF hhh set the ID Filter to hhh CF hhhhhhhh set the ID Filter to hhhhhhhh CFC0, CFC1 Flow Controls off, or on* CM hhh set the ID Mask to hhh CM hhhhhhhh set the ID Mask to hhhhhhhh CP hh set CAN Priority to hh (29 bit) CRA reset the Receive Address filters CRA hhh set CAN Receive Address to hhh CRA hhhhhhhh set the Rx Address to hhhhhhhh CS show the CAN Status counts CSM0, CSM1 Silent Monitoring off, or on* D0, D1 display of the DLC off*, or on FC SM h Flow Control, Set the Mode to h FC SH hhh FC, Set the Header to hhh FC SH hhhhhhhh Set the Header to hhhhhhhh FC SD [1 - 5 bytes] FC, Set Data to [...] PB xx yy Protocol B options and baud rate RTR send an RTR message V0, V1 use of Variable DLC off*, or on J1939 CAN Specific Commands (protocols A to C) DM1 monitor for DM1 messages JE use J1939 Elm data format* JHF0, JHF1 Header Formatting off, or on* JS use J1939 SAE data format JTM1 set Timer Multiplier to 1* JTM5 set Timer Multiplier to 5 MP hhhh Monitor for PGN 0hhhh MP hhhh n “ “ and get n messages MP hhhhhh Monitor for PGN hhhhhh MP hhhhhh n “ “ and get n messages |
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