The transfer occurs with 1200 - 38400 BAUD; 1 stop bit; no parity (ANSI character set)
CR / LF is send after each data record
1-5 Storage number 5
6-7 Hour 2
8-9 Minute 2
10-11 Day 2
12-13 Month 2
14 Fuel type number (0 – 9) 1
15-19 T.Air in °C or °F 5
20-24 T.Gas in °C or °F 5
25-29 O
in vol.% (without comma) 5
30-34 CO in ppm 5
35 Draught (sign / - = minus; blank character = plus) 1
36-39 Draught in Pa 4
40 Oil trace (0 = no; 1 = yes 1
41 Soot 3 1
42 Soot 2 1
43 Soot 1 1
44-48 free 5
49-53 NO in ppm 5
54-58 T.Boiler 5
59-78 20 character text (1st display line) 20
79-98 20 character text (2nd display line) 20
99-114 16 character text (3rd display line) 16
115-116 2 signs (HEX $80, $00) 2
117-121 O
(CO measurement) in vol.% (without comma) 5
122-126 CO (CO measurement) in ppm related to 0,0 vol.% O
5
127-131 free 5
132-136 free 5
137-141 free 5
142-146 free 5
147-151 free 5
152-156 O
check) in vol.% (without comma) 5
157-161 CO (O
check) in ppm 5
162 Draught (O
check / sign / - = minus; blank character = plus)
check) in Pa 4
167-168 CR-LF (#13#10) 2
First send: $00 $01
Then send: 56 characters text
Then send: $80 $00
it sends $FF back. If the data volume is too large,
it sends another byte back. If the data transfer should be terminated, so just 60 byte $00 need to
be sent to the instrument.