testo 6681
- 1.4 Operation
53
1 Channel 1 test
contacts
2 Service interface
3 Channel 2 test
contacts
4 Ends of channel 3
cables
5 Multimeter
Analog output 3: Connect measuring cables to terminals for channel 3,
guide measuring cables out of housing and perform measurement
outside of the transmitter, see diagram.
5
Return to
Test
Analog Output
using ESC and continue to
Test Relay
Output
using
or
.
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
) 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 1.4.6.10
1
Read off the min./max. values of the three channels by pressing
or
one after the other and return to
Main Menu Analysis
using ESC.
2
Continue to
Main Menu Message
using
or
or return to
Measuring Mode by pressing ESC.
Summary of Contents for 6681 Profibus
Page 45: ...testo 6681 1 4 Operation 45 1 4 5 Overview of the testo 6681 user menu...
Page 46: ...46 testo 6681 1 4 Operation...
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