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ANALOG 2 TYPE – select 4-20mA operation, 0-20mA operation, or 4-20mA output of channel
1’s temperature (only available if channel 1 is a DO sensor) for the
Analog 2 output.
ANALOG 2 FULL SCALE – defines the value that will cause the Analog 2 output to go to 20mA.
ANALOG 2 MIN SCALE – defines the value that will cause the Analog 2 output to go to 0/4mA.
ANALOG 2 FAIL MODE – defines the value of the Analog 2 output during an alarm or error condition.
Choose between holding the last good reading, 0/4mA, or 20mA.
Modbus Setup Mode
From the setup menu, use the “ARROW” keys to select the “MODBUS” option, then press the
“ENTER” key. There are two menu options for configuring the serial digital output.
Comm Address – defines the address of the analyzer
Comm Baud Rate – defines the baud rate of the digital output
Appendix A describes the Modbus protocol implementation in the Model 2000.
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