Vaisala HMT310 - Manual (Page 36)

User's Guide _______________________________________________________________________
36 ___________________________________________________________________ M210619EN-E
Serial Line and Analog Communication Options
HMT310 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 (order
code 238607).
- Connection with a handheld MI70 indicator using an optional MI70
calibration cable (DRW216050SP)
When using HMT310 with a serial connection (RS-232 serial cable or
USB), you need a terminal program to operate the HMT310 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 39.
For information on using the analog outputs, see section Setting, Scaling
and Testing Analog Outputs on page 54.
RS-232 Serial Port Connection
When connecting the HMT310 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; save them for future use.