Vaisala MMT310 - Manual (Page 32)

User's Guide _______________________________________________________________________
32 ___________________________________________________________________ M210474EN-C
Serial Line and Analog Communication Options
MMT310 measurement data can be accessed with the following serial or
analog options:
- RS-232 serial port connection to a computer
- Analog output (current or voltage)
For temporary access, you can also connect to the transmitter with the
following:
- USB connection to a computer using an optional USB cable (238607)
- Connection to a hand-held MI70 indicator using an optional MI70
calibration cable (DRW216050SP)
When using the MMT310 with a serial connection (RS-232 serial cable
or USB), you need a terminal program to operate the MMT310 command
line interface. For instructions on installing and using the PuTTY
terminal application for Windows (available from www.vaisala.com ), see
section Terminal Program Settings on page 35.
For information on using the analog outputs, see section Setting, Scaling
and Testing the Analog Outputs on page 44.
RS-232 Serial Port Connection
When connecting the MMT310 to a computer with an RS-232 cable, use
the following data format settings (factory settings) in the terminal
program:
- 1 start bit
- 7 data bits
- 1 stop bit
- Even parity
- 4800 bits per second, programmable to 19200
- Full duplex
- Serial asynchronous
- Configured as Data Terminal Equipment (DTE)
Enter the communication parameters when using this terminal session for
the first time and save them for future use.