Teledyne 9110T - Nitrogen Oxides Analyzer User Manual

Page 154

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Model 9110T NOx Analyzer

Communications Setup and Operation

Teledyne Analytical Instruments

154

To select a Hessen Protocol Type press:

NOTE

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

TYPE selection affects both Ports.

6.7.2.4. SETTING THE HESSEN PROTOCOL RESPONSE MODE

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

Table 6-5: Teledyne's 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:

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