Vaisala DRYCAP DMT143 Uživatelská příručka stáhnout pdf (Strana 55)

Chapter 5 _________________________________________________________________ Operation

VAISALA ________________________________________________________________________ 53

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]<cr>

where

mode

STOP, RUN, or POLL.

Table 11 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.

Selected output mode will be activated at next reset or power up.

Example:

smode poll

Serial mode : POLL

Set Serial Line Settings

Use the SERI command to set the serial line settings. The new settings

will be taken into use when the transmitter is reset or powered up.

NOTE

If you have altered the DMT143 serial line settings and start using the

MI70

handheld indicator, always switch off the other power supply

(disconnect “Analog” cable if in use) before powering up the MI70.

For

more information on using the MI70 indicator with DMT143, see section

Operation with DM70 Hand

-Held Dewpoint Meter on page 34.

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