Chapter 4 ________________________________________________________________ Operation
VAISALA _______________________________________________________________________ 65
7.
Select
Hysteresis
. Press the
SET
button and adjust the value.
Finally press the
OK
button.
8.
Select
Relay enable
. Press the
ON/OFF
button to enable/disable
the relay.
9.
Press
EXIT
to return to the basic display.
See section
for more information on the
relay setpoints.
Testing the 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/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
Relay Output Status
, press
SHOW
to see the active relay
or relays. Press
OK
to return to the previous level.
6.
Select
Test relay 1
to test the output of relay 1. Press
ON/OFF
to
activate/deactive the output. Press
OK
to go back to normal
operation.
7.
Select
Test relay 2
to test the output of relay 2. Press
ON/OFF
to
activate/deactive the output. Press
OK
to go back to normal
operation.
8.
Press
EXIT
to return to the basic display.
NOTE
When only one relay module is installed, its relays are called "relay 1"
and "relay 2".
Relay is activated:
led is lit
Relay is not activated:
led is not lit