Vaisala PTB220 User Manual download pdf (Page 56)

USER'S GUIDE_______________________________________________________________________

50 ___________________________________________________________________ M210194EN-A

Example of closing a barometer:

>close <cr>

line closed

SEND mode

In the SEND mode the barometer will automatically output one

message at power-up or when triggering the barometer on using pin 4

of the barometer. The trigger signal must be a TTL level signal. TTL

HIGH (5 VDC) turns the barometer ON and TTL LOW (0 VDC) turns

the barometer OFF.

Examples of outputting with the prompt (ECHO ON) and without the

prompt (ECHO OFF):

>echo <cr>

Echo : ON

>smode send <cr>

Serial mode : SEND

>reset <cr>

1013.25 hPa

>echo off <cr>

Echo : OFF

reset <cr> (text invisible)

1013.25 hPa

Example of outputting a minimum amount of (six) characters by

excluding the <cr> and <lf> characters, the pressure unit and the

decimal point with the FORM command:

>form <cr>

4.2P""UUUU #r #n

? 6.0 P <cr>

>unit Pa

P unit : Pa

>smode send <cr>

Serial mode : SEND

>echo off <cr>

Echo : OFF

reset <cr> (text invisible)

101325

(power-up)

101325

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Vaisala PTB220 User Manual Page 56