Vaisala PTB330 - Manual (Page 100)

USER'S GUIDE____________________________________________________________________
98 __________________________________________________________________ M210855EN-D
Testing the Operation of Relays
If a relay module is installed on PTB330, you can use either the
optional display and menus or the serial line command RTEST to test
the operation of relays. For testing via menus see section Testing the
Operation of Relays on page 61.
Testing activates relays even if they are disabled.
Use the module push buttons to activate the relays. Press the REL 1 or
REL 2 button to activate the corresponding relay.
Relay is activated: led is lit
Relay is not activated: led is not lit
RTEST
Use the serial line command RTEST to test the operation of the
relays.
RTEST [x1 x2]
where:
x = ON/OFF
Example: use the command to activate and then release the relays.
>rtest on on
ON ON
>rtest off off
OFF OFF
>
Enter the command RTEST without parameters to stop testing.