Vaisala HUMICAP HMP41 Guide de l'utilisateur télécharger pdf (Page 47)

Chapter 4 ________________________________________________________________ Operation

VAISALA _______________________________________________________________________ 45

Set/Show Relay Operating Mode

Use the RMODE command to set/show relay mode, low and high limits.

Relay modes are OFF, LO_OPEN and HI_OPEN. Low and high values

specify relay operation limits for the selected quantity.

RMODE [xxxx] [lo] [hi]<cr>

where

xxxx

= OFF, LO_OPEN or HI_OPEN

= Low limit

= High limit

In OFF mode:

relay contacts are always open

In LO_OPEN

mode:

relay contacts are opened when the value is below

the set low limit and closed when value is above

the high limit.

In HI_OPEN

mode:

relay contacts are opened when the value is above

the set high limit and closed when value is below

the low limit.

Example:

>RMODE LO_OPEN 10 20

Relay mode : LO_OPEN

Relay low : 10

Relay high : 20

Show Relay Settings

Use the ROUT command to show the current relay settings.

ROUT<cr>

Example:

>ROUT

*** RELAY OUTPUT ***

Relay quantity : RH

RH : 22.35 %

Relay mode : LO_OPEN

Relay low : 10

Relay high : 20

Relay status : CLOSED

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Vaisala HUMICAP HMP41 Guide de l'utilisateur Page 47