Test Channel Relays; Test System Relay - Hach ORBISPHERE G1100 User Manual

8.3.2 Test channel relays

8.3.3 Test system relay

Click on the text box to open the selection menu (rolling
•
menu). Select the events that must trigger the relay, and
press OK.
The example shown here will trigger the relays whenever the
value is above the High High or under the Low Low preset
values.
Proceed in the same manner for other event that should
trigger the relay
The three measurement alarm relays can be manually
activated for testing purposes:
Select Relay On, Off or Not under test.
•
"Not under test" means the relay is in operating mode, and it
will be triggered normally.
Note: A relay set to NO will close when activated (On), but a relay set
to NC will open. Refer to Measurement alarm relays on page
Similarly, the system alarm relay can be manually activated
for testing purpose.
Select Relay On, Off or Not under test.
•
Inputs/Outputs Menu
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