Testing operation of relays, Rtest – Vaisala DMT346 User Manual
Page 130
User's Guide _______________________________________________________________________
130 __________________________________________________________________ M210762EN-G
Testing Operation of Relays
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.
Use the display/keydpad to test the operation of relays.
1.
Open the Main Menu
by pressing any of the ▲▼◄► arrow
buttons.
2.
Select System
, press the ► arrow button.
3.
Select Diagnostics
, press the ► arrow button.
4.
Select Relay tests
, press the ► arrow button.
5.
Select Invert relay 1 ... , press TEST. Now the selected relay
output is forced to opposite state. Press OK to return to normal
operation.
6.
Press EXIT to return to the basic display.
RTEST
Use the serial line command RTEST [ON/OFF ON/OFF] to test the
operation of the relays.
Example: Testing all four relays.
>rtest on on on on
ON ON ON ON
>
>rtest off off off off
OFF OFF OFF OFF
Issue the command RTEST to stop testing.