70
testo 6651 Ethernet
-
1.4 Operation
Testing functionality of relay outputs
1 Press Set, choose between Alarm 1, 2, 3, 4 with
or
.
2 Press SET.
The relay can now be tested. You can choose between
OFF
and
ON
using
or
. If
ON
is chosen, the NO contact is closed, the NC
contact opened. If
OFF
is chosen, the NC contact is closed, the NO
contact opened.
3 To test, route a measuring cable from the relay terminals (see
chapter
1.3.3.3, page 26
) out of the transmitter to a multimeter (resistance
measurement) or continuity tester.
4 Go back to
Test Relay Output
by pressing either SET (starts relay
test) or ESC (exits the menu without relay test).
Reading off min./max. values of channels
To reset the max./min. values, see
chapter 1.4.6.9, Editing
Reset main menu, page 75
.
1 Read off the min./max. values of the two channels in succession by
pressing
or
and return to Main Menu Analysis using esc.
2 Continue
to
Main Menu Message
using
or
or return to
Measuring Mode by pressing ESC.
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