Chapter 4 ________________________________________________________________ Operation
VAISALA ______________________________________________________________________ 115
Serial Output Settings
The communication settings for the user port can be changed via the
serial line or by using the optional display/keypad. The communication
settings for the service port are fixed and not changeable.
NOTE
If a communication module (LAN, WLAN, or RS-422/RS-485 Interface)
has been installed, the user port is not accessible. Any changes to the
settings are applied to the interface provided by the module, if applicable.
Using Display/Keypad
1.
Press any of the arrow buttons to open the
Main Menu
.
2. Select
Interfaces
and press the
►
arrow button to confirm your
selection.
3. Select
Serial interface
and press the
►
arrow button to confirm
your selection.
4. Select
Bit rate
and
Serial format
by pressing the
CHANGE
button. Use the
▲▼
arrow buttons to select and press
SELECT
to
confirm your selection.
5. Select
the
Protocol
to be used by the serial output by pressing the
CHANGE
button. Select the option using the
▲▼
arrow buttons
and press
SELECT.
This is the same serial mode setting that is
changed by the
SMODE
serial command.
- RUN
mode continuously outputs the measurement message at
the set interval. If you select the RUN mode, set the desired
RUN interval
also.
-
POLL
mode enables multiple transmitters to share the same RS-
485 line. If you select the POLL mode, select the
Device
address
also, as each transmitter on the line must have an
unique address.
- In
STOP
mode, transmitter remains silent after reset or power
up, waiting for commands.
- In
MODBUS
mode, only MODBUS protocol communication is
available. See Chapter 5, MODBUS, on page 143.
6. Select
the
RUN interval
and the unit. Press
OK
to confirm.
7. Select
the
Device address
and press
SET
to confirm.
8. Select
ECHO,
and press
ON
to turn to it on,
OFF
to turn it off.
9. Press
EXIT
to return to the basic display.
The new user port settings set using the display/keypad are effective
immediately.
