Select unit, Configuring serial line operation, Set serial line operating mode – Vaisala DPT146 User Manual
Page 49: Table 9, Selection of output modes, On set serial line operating, Mode
Chapter 5 _________________________________________________________________ Operation
VAISALA ________________________________________________________________________ 47
Select Unit
Use the UNIT command to select metric or non-metric output units.
UNIT [x]
where
x = Selects the unit type to output:
m = metric units, for example, Celsius
n = nonmetric units, for example, Fahrenheit
Example:
unit m
Units : Metric
Configuring Serial Line Operation
Set Serial Line Operating Mode
Use the SMODE command to set the start-up operating mode of the
serial line.
SMODE [mode]
where
mode = STOP, RUN, POLL, or MODBUS.
Table 9
Selection of Output Modes
Mode
Measurement Output
Available Commands
STOP
Only with the
SEND command. All (default mode).
RUN
Automatic output.
Only command
S.
POLL
Only with the
SEND [addr]
command.
SEND [addr] and OPEN [addr].
Other commands available after
opening a line to the transmitter
using the
OPEN command.
Use with RS-485 buses where
multiple transmitters can share
the same line.
MODBUS
Must be read from the
transmitter using Modbus
protocol.
Modbus protocol only; see
If the Modbus mode is activated, serial port commands cannot be used
with the device. To access the serial port command interface, follow the
procedure in Accessing Serial Port Command Interface from Modbus