Teledyne gfc 7000ta Setting The Hessen Protocol Response Mode, Mode ID Mode Description CMD, Bcc

Operating Instructions Model GFC7000TA Carbon Dioxide Analyzer

SAMPLE*	RANGE = 500.000 PPM	CO2 =X.XXX
< TST TST > CAL		SETUP
SETUP X.X PRIMARY SETUP MENU
CFG DAS RNGE PASS CLK MORE		EXIT
SETUP X.X SECONDARY SETUP MENU
COMM VARS	DIAG ALRM	EXIT

Press to change

protocol type.

SETUP X.X		COMMUNICATIONS MENU
ID INET	HESN COM1		COM2	EXIT
SETUP X.		HESSEN VARIATION: TYPE 1
SET>	EDIT			EXIT
					ENTR accepts the new
					settings
SETUP X.X		HESSEN VARIATION: TYPE 1			EXIT ignores the new
					settings
TYE1 TYPE 2			ENTR	EXIT
SETUP X.X HESSEN VARIATION: TYPE 2
PREV NEXT		OFF	ENTR	EXIT

NOTE

While Hessen Protocol Mode can be activated independently for COM1 and COM2,

The TYPE selection affects both Ports.

6.15.4.5. Setting The Hessen Protocol Response Mode

The Teledyne Instruments implementation of Hessen Protocol allows the user to choose one of several different modes of response for the analyzer.

	Table 6-30: Teledyne Instruments 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.

Teledyne Analytical Instruments 156