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Motec bit masking in other devices

CANBus Communications Decoded

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Discussion and questions related to the course CAN Bus Communications Decoded

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Hey team,

I’m trying to integrate a Motec M150 and C127 with a Syvecs PDUX3B. The PDU has fully flexible CAN templates, but no pre-made templates for the Motec line.

in regards to bit masking, are these masked messages each sent separately by the M150 with a separate mask, or is each base address a single message that contains all of those bits? I’ve attached a quick template I made that contains all of these listed PDM messages in a single frame, but I can’t tell if this will work or if the “mask” is meant to be an identifier on individual messages for each output. Syvecs/Life racing don’t make any mention of masks in any of their documentation or software.

Thanks for any help you all can give me!

Attached Files

What you show is what I would expect to work (quick glance). Every message contains all of the bits, you mask (ignore all the other bits) to get the one you are interested in. Setting your template to offset to the correct bit number, and with a length of 1, you will get just that bit status.

You can use MoTeC CAN inspector tool (found in the Utilities download from the Motec website), to view the CAN bus traffic and verify this.

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