PC to CPU:
'STX' 'ADR' 'd' channelno_value 'CHK' 'ETX'
'd'
ASCII-Code 0x64 OR 0x80 = 0xE4
channelno
one byte in ASCII OR 0x80
_
blank = 0x20 OR 0x80 = 0xA0
value
format XXX.X in K/min per byte in ASCII OR 0x80
Remarks:
If several channels are available, each one must be read separately. The value for the gradient is always a positive one!
CPU to PC
'STX' 'ADR' 'd' 'CHK' 'ETX' (read value)
'd'
ASCII-Code 0x64 OR 0x80 = 0xE4