Model 3100 Analyzer Instruction Manual
Page 24
Manual file name: MN-A-0005, Rev. C
Manual P/N: C5-06-4900-16-0
4.1.1.11 User Setup 8: Factory setup restore
Setup Mode 8 allows the user to return the Model 3100 to its initial factory-commissioned settings.
Always perform a gas calibration after restoring factory settings.
4.1.2 System setup via RS-232 service port
The Model 3100 analyzer features a Service Port, which is accessible for programming the system,
monitoring the analyzer output, and determining active fault codes for troubleshooting. The Service Port
has been designed for communication with devices capable of receiving and transmitting ASCII data
packets over a standard RS-232 serial interface.
Access to the Serial Service Port may also be made through a terminal emulator program such as
HyperTerminal (available in Microsoft Windows 95 or later).
4.1.2.1 RS-232 service port interfacing with HyperTerminal
Turn off your computer and remove power from the Model 3100. Complete the instructions for wiring and
connecting the Model 3100 to a PC computer (see section 2.1.3.10). Apply power to the Model 3100 and
then start up the PC computer.
On your PC computer, open HyperTerminal: Navigate from the Windows desktop – Select Start >
Programs > Accessories > Communications > HyperTerminal
In HyperTerminal, create and configure a new connection – follow these prompts:
PROMPT > YOU ENTER
CONNECTION NAME > 3100
CONNECT TO COM1 (or other available COM port)
In HyperTerminal, select the correct COM port properties, to interface with the Model 3100:
PROPERTIES > YOU ENTER
BITS PER SECOND > 9600
DATA BITS > 8
Fig. 24, Valid settings for setup Mode E
Fig. 25, Valid setting for setup Mode 8
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