Testing operation of relays, Rtest – Vaisala PTU300 User Manual
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User's Guide _______________________________________________________________________
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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 key to activate the corresponding relay.
Relay is activated:
led is lit
Relay is not activated: led is not lit
Use the display/keypad to test the operation of relays.
1.
Open the Main Menu by pressing any of the arrow buttons.
2.
Select System, press the right arrow button.
3.
Select Diagnostics, press the right arrow button.
4.
Select Relay tests, press the right arrow button.
5.
Select Invert relay 1... , press the TEST key. Now the selected
relay output is forced to opposite state. Press the OK key to return
to normal operation.
6.
Press the EXIT key to return to the basic display.
RTEST
Use the serial line command RTEST to test the operation of the relays.
RTEST [x1 x2 x3 x4]
where
x
= ON/OFF
Example: Activate and then release all four relays.
>rtest on on on on
ON ON ON ON
>
>rtest off off off off
OFF OFF OFF OFF
>
Enter the command RTEST without parameters to stop testing.