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The MTLT335 is configured in Autobaud mode by default where the part listens for valid CAN traffic, matches the baud rate on the bus and then begins transmitting.
For the other set of IMUs that transmit once powered, at least one of those devices has autobaud turned off.
Details of how to enable/disable autobaud mode are given in section 5.1.5.7 of the user manual.
@Neil Hi, the DBC file is attached you can download by follow link Aceinna MTLT305E_Reverse address claiming_21.1.1_based one_19.1.83_20200903_cek .dbc
@cek said in Top issues of INS401:
INS401 EVK Manual_V1.0.pdf
INS401-Firmware Upgrade instructions_V1.4.pdf
INS401_28.04.20_270301--recompile.bin
INS401_28.04.20_000101bootapp-recopile.bin
INS401_v28.04_IMU_27.03.01.bin
INS401_v28.04.22_RTK_OFFINSAID_INS_sta9100_eval_5_10_18_1_RC_RTCM3-5HzCPVT-10HzPVT_scn5_25db_E2EOFF_SISOFF_BOOT.bin
5020-4013-01_28.05 FRMW, RTK_INS_STA9100 V5.10.18, INS401.bin
boot program of GNSS chip_v1.0.json[ins402_mosaic_20230327.dbc]
ins402_can_20230327.dbc
INS402 Quick Application Guide(test draft)_v2.0.pdf
INS402_InterfaceDescription_v1_20230329_final.pdf
2023_04_14_10_03_40_canfd_d.zip
ins402_mosaic_20230413.dbc
INS401-Firmware Upgrade instructions_V1.5.pdf
INS402_InterfaceDescription_v2.0_20230511_final.pdf
ins402_mosaic_20230728_31.00.06.dbcINS401_v28.06.bin
ins402_um982_20240129_31.00.12-7.dbc
ins402_um982_20240411_31.00.13-7.dbc
npcap-1.50.exe
INS502_UserManual-D05-20240815.pdf
If you disable the mode , and you set a baud , you can only work at this baud. after it come back message , please send another time(: ID(hex):18EAFF00 DATA:00 FF 59.) the feedback ID should contain "FF59"
@F-Weber ，You should now be in automatic baud mode. To set the baud rate of CAN, disable automatic baud rate。
I suggest using CAN. First you send this extension frame to 335RI: ID(hex):18EAFF00 DATA:00 FF 59. Then you send me the return message of this CAN message and I will tell you what to do next.
