Vaisala PTU200 Series User's Guide download pdf (Page 25)

CHAPTER 4_____________________________________________________________COMMISSIONING

VAISALA _________________________________________________________________________ 21

Example of setting the limit to 0.5 hPa:

>pdmax <cr>

Pd max : 1.000 ? 0.5 <cr>

Example of exceeding the Pdmax limit:

>form <cr>

4.2P""UUUU \r \n

?4.2P1""P2""P""UUU""ERR\r\n<cr>

>send <cr>

1020.30 1020.32 1020.31 hPa 00

>send <cr>

1020.30 1022.30 1021.30 hPa 11

Please use the ERRS command to analyze problems.

KEYLOCK Setting the keyboard lock on/off

KEYLOCK x <cr>

where:

x = ON or OFF

The KEYLOCK command is used to set or inspect the keypad lock

condition of the display cover keypad. The PTU200 transmitters with

display cover are supplied with the keypad locked (KEYLOCK OFF).

It is thus possible to inspect the settings but not to change them. With

the keypad locked the settings can be inspected but not changed.

Example:

>keylock on <cr>

Keylock : ON

If anyone tries to change the settings using the keypad with the

KEYLOCK ON, the transmitter will display NO MODIFICATIONS

ALLOWED

for a few seconds and then returns to the original display.

Hardware settings

Inside the transmitter, there is a connector X15 (see FIGURE 4-2) and a

dip switch S1 (see

FIGURE 4-3). These are used to make the main

hardware settings of the PTU200.

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Vaisala PTU200 Series User's Guide Page 25