PC to CPU:
'STX' 'ADR' 'E' channelno 'CHK' 'ETX'
'E'
ASCII-Code 0x45 OR 0x80 = 0xC5
channelno
one byte in ASCII OR 0x80
CPU to PC
'STX' 'ADR' 'E' channelno_finalvalue 'CHK' 'ETX' (read value)
'E'
ASCII-Code 0x45 OR 0x80 = 0xC5
channelno
one byte in ASCII OR 0x80
_
blank = 0x20 OR 0x80 = 0xA0
finalvalue
format XXX.X in K/min per byte in ASCII OR 0x80
Remarks:
If several channels are available, each one must be read separately.