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Profi
Message
Connect this with PE labelled terminal(s) via a ≥2.5 mm2 cable to the protective
earth of your power supply.
See also
.
Discharge static before coming into contact with the
connecting terminals. Simply touch a housing with pro-
tective earth, or the PE terminal. Inputs can be dam-
aged if static is not discharged.
7.6 Potential differences
Potential differences can, in principle, always occur between reference potentials
of multiple-sensor measurement signals that are connected to the analogue inputs
of an I/O module. The following figure shows the sensor signals as
green
arrows
and U mess, and the potential difference between the two sensor signals as an
orange
arrow and U
Difference
.
217
Delphin Technology AG
Dezember 2015
Profi
Message Manual
Summary of Contents for ProfiMessage
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Page 32: ...ProfiMessage 3 5 5 ADVT 3 5 6 AMDT 32 Delphin Technology AG Dezember 2015 ProfiMessage Manual ...
Page 33: ...ProfiMessage 3 5 7 DIOT 3 5 8 IOIT 33 Delphin Technology AG Dezember 2015 ProfiMessage Manual ...
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