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2. Open the terminal program and open a connection to the corresponding COM port using
the default settings 19200, 8, N, 1, no flow control.
3. Keep the Enter key pressed down and connect the other end of the USB cable to the
transmitter. This will cause the transmitter to start in serial mode, using the default serial
settings.
You can now use the transmitter with the terminal program.
To prevent Modbus mode from being restored on the next power-up, select a different serial
mode with the smode command.
7.4 List of Serial Commands
All commands can be issued either in uppercase or lowercase. In the command examples, the
keyboard input by the user is in bold type.
The notation <cr> refers to pressing the carriage return (Enter) key on your computer
keyboard. Enter a <cr> to clear the command buffer before starting to enter commands.
Table 8 List of Serial Commands
Command
<ESC>
?
??
ADDR [0 ... 255]
AERR
ALARM
AMODE
AOUT [ON/OFF]
AOVER [ON/OFF]
ASEL
ATEST
CLOSE
ERRS
FILT [0 ... 1]
FORM [modifier string]
FRESTORE
HELP
Description
Stop the continuous outputting of RUN mode or R command
Show device information
Show device information (overrides poll mode)
Show or set transmitter address
Set analog output error level
Set dew point level for LED alarm
Show analog output mode
Enable or disable analog output
Allow analog outputs to exceed their range 10 %
Set analog output parameter and scaling
Test analog output
Close the temporary connection and return the device to POLL
mode
Display the currently active errors
Set output filtering level
Set output format
Restore factory settings
Show list of currently available serial commands
Chapter 7 – Serial Communication
43
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