36
Connect Devices
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6.5
Power Supply
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6.5.1
Isolation
Within the fieldbus node, there are three electrically isolated potentials:
•
Electrically isolated fieldbus interface via transformer
•
Electronics of the fieldbus couplers/controllers and the I/O modules
(internal bus)
•
All I/O modules have an electrical isolation between the electronics
(internal bus, logic) and the field electronics. Some digital and analog input
modules have each channel electrically isolated, please see catalog.
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Figure 13: Isolation for Fieldbus Couplers/Controllers (Example)
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WAGO-I/O-SYSTEM 750 XTR
750-xxxx/0040-xxxx Design Notes /XTR
Manual
Version 1.2.0