Wiring
4-3
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
24 VDC supply
The following table shows you the items you have to take into account in respect of
the 24 VDC supply.
With ...
Pay attention to ...
Buildings
Outdoor lightning
protection
Take lightning protection
precautions
24 VDC supply lines,
signal lines
Indoor lightning
protection
– for example, lightning
conductors
24 VDC supply
Safe (electrical) isolation of extra-low voltage
Protection against external electrical phenomena
The following table shows you the items you have to take into account in respect of
protection against electrical phenomena or faults.
With ...
Make sure that ...
Any plant or system in
which the ET 200X is
installed
The plant or system is connected to a protective
ground for diverting electromagnetic interference.
Supply, signal and bus
lines
The wiring arrangement and installation are correct.
Signal and bus lines
Any break of a line or conductor does not result in
undefined states of the plant or system.
Содержание SIMATIC ET 200X
Страница 8: ...Preface viii ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Страница 20: ...Contents xx ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Страница 40: ...Product Overview 1 20 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Страница 58: ...Configuration Options 2 18 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Страница 80: ...Installation 3 22 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Страница 124: ...Configuration Options 2 18 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Страница 328: ...Order Numbers A 10 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Страница 348: ...Dimesioned Drawings and Pinouts C 18 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Страница 362: ...Index Index 8 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...