Vaisala PTU300 - Manual (Page 123)

Chapter 4 _________________________________________________________________ Operation
VAISALA _______________________________________________________________________ 121
SMODE
Use the SMODE command to set the user port start-up operating mode.
SMODE [xxxx]
where
xxx = STOP, SEND, RUN, POLL, or MODBUS.
Table 33 Selection of Output Modes
Mode Measurement Output Available Commands
STOP Only with the SEND command. All (default mode).
SEND One measurement message
automatically at start-up, then
only with the SEND command. All.
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
Chapter 5, Modbus, on page 147.
Selected output mode will be activated at next reset or power up.
ADDR
Use the ADDR command to set the device address of the transmitter.
Addresses are required for POLL mode and MODBUS mode (serial
Modbus).
ADDR [aa]
where
aa = Device address of the transmitter, range 0 ... 255 (default = 0)
Example (changing the transmitter address from 0 to 52):
>addr
Address : 0 ? 52
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