Vaisala MMT162 Manuel d'utilisateur télécharger pdf (Page 35)

Chapter 4 ________________________________________________________________ Operation

VAISALA _______________________________________________________________________ 33

Set Serial Interface Mode

Use the SMODE command to set the default serial interface mode.

SMODE [xxxx]<cr>

where

xxxx

STOP, RUN or POLL

In STOP mode:

measurements output only by command SEND, all

commands can be used

In RUN mode:

outputting automatically, only command S can be

used to stop.

In POLL mode:

measurements output only with command SEND

[addr].

When several transmitters are connected to the same line, each

transmitter must be entered an own address in the initial configuration,

and POLL mode must be used.

Configuring Measurement Parameters

Select Analog Output Parameter and

Scaling

Select and scale the parameters for the analog outputs with the ASEL

command. Note that the optional parameters can be selected only if they

have been selected when ordering the device.

ASEL [xxx yyy]<cr>

where

xxx

Parameter of channel 1

yyy

Parameter of channel 2

Always enter all the parameters for all outputs. The MMT162 measures

the following parameters:

- water activity (aw)

- temperature (T) (metric unit: ºC, non metric unit: ºF)

- ppm for transformer oil only (H

Example:

asel

Ch0 aw lo : 0.00 ?

Ch0 aw hi : 1.00 ?

Ch1 T lo : -20.00 'C ?

Ch1 T hi : 80.00 'C ?

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Vaisala MMT162 Manuel d'utilisateur Page 35

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