The PSI5-Bus-Standard is a communication standard for sensors used in automotive constructions.
It is characterised by the following items:
Two wired current interface
Digital data transfer by Manchestercode
High data transmission rate - 125 kbps respec. optional 189kbps
High EMV safety an less radiation
High sensor supply current range
Variable data worth length (10 tos 28 bit with 1 bit resolution)
Asynchronous or synchronous operating mode with different bus modes.
Bidirectional communication.
The PSI5-Bus defines 3 Operating modes:
You can find a detailed description of the PSI5 operating modes in the PSI5 specification.