Teledyne 9110T instruction manual Host, Last Analyzer, Time, each by its unique ID see above

Model 9110T NOx Analyzer Getting Started

Host

RS-232 port

Analyzer

COM2

RS-232

Analyzer

COM2

RS-232

Analyzer

COM2

RS-232

Female DB9

Male DB9

Last Analyzer

COM2

RS-232

Ensure jumper is installed between

JP2 pins 21 ↔ 22 in last instrument of multidrop chain.

Figure 3-16: RS-232-Multidrop PCA Host/Analyzer Interconnect Diagram

7.BEFORE communicating from the host, power on the instruments and check that the Machine ID code is unique for each (Section 5.7.1).

3.a. In the SETUP Mode menu go to SETUP>MORE>COMM>ID. The default ID is typically the model number or “0”.

4.b. to change the identification number, press the button below the digit to be changed.

5.c. Press/select ENTER to accept the new ID for that instrument.

8.Next, in the SETUP>MORE>COMM>COM1 menu (do not use the COM2 menu for multidrop), edit the COM1 MODE parameter as follows: press/select EDIT and set only QUIET MODE, COMPUTER MODE, and MULTIDROP MODE to ON. Do not change any other settings.

9.Press/select ENTER to accept the changed settings, and ensure that COM1 MODE now shows 35.

10.Press/select SET> to go to the COM1 BAUD RATE menu and ensure it reads the same for all instruments (edit as needed so that all instruments are set at the same baud rate).

Note	The (communication) Host instrument can address only one instrument at a
	time, each by its unique ID (see step 7 above).

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