Chapter 4 ________________________________________________________________ Operation
VAISALA _______________________________________________________________________ 51
Serial Communication Settings
To start issuing commands, make sure that HMT360 is connected to a
serial port of your computer and that the terminal session is open. Issue
commands by typing them on your computer according to the following
instructions. In these commands, <cr> stands for pressing Enter (on
your computer keyboard).
Setting the Analog Outputs
ASEL Selecting Analog Outputs
Syntax:
ASEL
[
xxx
yyy
]<cr>
Turn the internal DIP switch
Calibration Enabled/Disabled
to
position
ON
before the selecting the analog outputs and return it to
position
OFF
after making the selection. Output quantities and their
abbreviations are listed in the following table:
Table 5
Serial Communications Settings
Parameter
Value
bauds
2400
parity
none
data bits
8
stop bits
1
CAUTION
When using the serial interface, be sure that power supply and serial
interface are not connected to the same ground (use a floating power
supply or hand-held serial interface device).
where
xxx =
Quantity of Ch 1
yyy =
Quantity of Ch 2