Vaisala MMT330 - Manual (Page 112)

User's Guide _______________________________________________________________________
110 __________________________________________________________________ M210733EN-G
Table 27 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 131.
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
>
INTV
Use the INTV command to set the RUN mode output interval. The time
interval is used only when the RUN mode is active. Setting the interval to
zero enables the fastest possible output rate.
INTV [xxx yyy]<cr>
where
xxx = Delay, range 0 ... 255.
yyy = Unit: S, MIN or H.