750-841 WAGO, 750-841 Datasheet - Page 32
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750-841
Manufacturer Part Number
750-841
Description
CONTR.ETHERNET TCP/IP 10/100MBIT
Manufacturer
WAGO
Datasheet
1.750-841.pdf
(288 pages)
Specifications of 750-841
Rohs Compliant
YES
No. Of Digital Inputs
10
No. Of Digital Outputs
10
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24 •
2.7 Power Supply
2.7.1 Isolation
The WAGO-I/O-SYSTEM 750
Power Supply
Within the fieldbus node, there are three electrically isolated potentials.
• Operational voltage for the fieldbus interface.
• Electronics of the couplers/controllers and the bus modules (internal bus).
• All bus modules have an electrical isolation between the electronics
Fig. 2-10: Isolation
Attention
The ground wire connection must be present in each group. In order that all
protective conductor functions are maintained under all circumstances, it is
recommended that a ground wire be connected at the beginning and end of a
potential group. (ring format, please see chapter "2.8.3"). Thus, if a bus
module comes loose from a composite during servicing, then the protective
conductor connection is still guaranteed for all connected field devices.
When using a joint power supply unit for the 24 V system supply and the
24 V field supply, the electrical isolation between the internal bus and the
field level is eliminated for the potential group.
(internal bus, logic) and the field electronics. Some digital and analog
input modules have each channel electrically isolated, please see catalog.
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
g0xxx01e
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