4BS Telegrams
- Matthias Kassner
Owned by Matthias Kassner
11-Jul-2024
1 min read
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4 Byte Sensor (4BS) telegrams are identified by the R-ORG field being set to 0xA5 which is followed by four bytes of payload (Bit 0 … Bit 31).
The payload of 4BS telegrams encodes either the sensor status (4BS Data Telegram) during normal operation or identifies EEP and manufacturer of the device during teach-in (4BS Teach-in Telegram).
The distinction between data and teach-in telegrams is made based on the status of Bit28. If this bit is set to 0 then the telegram is a 4BS Teach-in Telegram; if this bit is set to 1 then the telegram is a 4BS Data Telegram.