...
byte 3 PS type (Alarm type) (*) reserved for: | byte 2 polarity control | byte 1 InterfaceType | byte 0 Protocol |
E642 0=1,5A,5B | 0 = bipolar | 0 = SYS8000 0 = E642 uni 0 = Splitter(modbus) | 0 = SYS8X00 |
...
- byte 1 is meaningful only for SYS8X00 and serial Modbus
- byte 3 is meaningful only for E642 (at this moment)
- byte 0 and byte 2 do not depend on "protocol" and are passed through as they are.
...