Overview

Module Management Messages are sent using extended data frame.

Module management messages have two categories that are broadcast and direct. Each category has different set of commands.

Identifier

The first 11 MSB of the address must be recessive (1) followed by 1-bit message category indicator whose values are broadcast (recessive:1) and direct (dominant:0). The next one bit is continuous frame flag. The rest 16-bit is component identifier.
[crayon-5ab1f914309f7038991395/]
Sending a remote frame to a module management message ID requests broadcasting some data of the specified component.
[crayon-5ab1f91430a10511135956/]

Data

Broadcast Message

[crayon-5ab1f91430a19797263929/]

Direct Message

[crayon-5ab1f91430a21582996269/]