What source address should the NI9862 module CAN be used to send messages j1939?

I am developing an application that will write and read on vehicle ECU road. I CAN NI9862 module and drivers XNET. I can read an ECU data. I can write a CAN bus frames but the ECU under test does not appear to read the message. I don't get any acknowledgement of bit type and the SHIELD in question (a dashboard) does not change its messages in anyway, nor change the gauges or witnesses.

Complicating this is the fact that the ecu is 'Brand X' and it is PGNs belong to someone. I tried to send the message of inquiry PGN (PGN59904) but get no response from the ECU. I use the 255 (global) as my source address.

Is there a source given for the NI9862 in J1939 address?

Thank you

There is no specific source for the NI9862 address. It can be used to simulate one of the 256 available addresses. If you try to simulate a test off-board tool, usually has an address of 0xFA.

I'm afraid that if you do not know the PGNs he expects or addresses that it expects to see, you will have great difficulty to operate.

Good luck

Bob Young

Tags: NI Products

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