Smode, Addr, Table 30 – Vaisala HMT330 User Manual

Page 116: Selection of output modes

Advertising
background image

User's Guide _______________________________________________________________________

114 __________________________________________________________________ M210566EN-K

SMODE

Use the SMODE command to set the user port start-up operating mode.

SMODE [xxxx]<cr>

where

xxx =

STOP, SEND, RUN, POLL, or MODBUS.

Table 30

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 141.


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]<cr>

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
>

Advertising