Setting the hessen protocol response mode, And com2, the type selection affects both ports, Text – Teledyne 9110TH - Nitrogen Oxides Analyzer User Manual
Page 181
Operating Instructions
Model 9110TH NOx Analyzer
Teledyne Analytical Instruments
161
and COM2, the TYPE selection affects both ports.
4.15.4.4. Setting The Hessen Protocol Response Mode
The Teledyne API’ implementation of Hessen Protocol allows the user to choose one of
several different modes of response for the analyzer.
Table 6-28: 9110TH/M Hessen Protocol Response Modes
MODE ID
MODE DESCRIPTION
CMD
This is the Default Setting. Reponses from the instrument are encoded as the traditional command format.
Style and format of responses depend on exact coding of the initiating command.
BCC
Responses from the instrument are always delimited with <STX> (at the beginning of the response, <ETX>
(at the end of the response followed by a 2 digit Block Check Code (checksum), regardless of the command
encoding.
TEXT
Responses from the instrument are always delimited with <CR> at the beginning and the end of the string,
regardless of the command encoding.
To Select a Hessen response mode, press:
SETUP X.X
SECONDARY SETUP MENU
COMM
VARS DIAG ALRM
EXIT
SAMPLE
ENTER SETUP PASS : 818
8 1 8
ENTR
EXIT
SETUP X.X
PRIMARY SETUP MENU
CFG DAS
RNGE
PASS CLK
MORE
EXIT
SAMPLE RANGE = 500.000 PPB SO2 =XXX.X
< TST TST > CAL
SETUP
SETUP X.X
HESSEN RESPONSE MODE :CMD
<SET
SET>
EDIT
EXIT
SETUP X.X
COMMUNICATIONS MENU
ID
HESN
COM1
COM2
EXIT
SETUP X.X
HESSEN VARIATION: TYPE 1
SET>
EDIT
EXIT
SETUP X.X
HESSEN RESPONSE MODE :CMD
BCC TEXT EDIT
ENTR EXIT
Press to
change
response
mode.
ENTR accepts the new
settings
EXIT ignores the new
settings