Wiring
3-2
ET 200eco Distributed I/O Station
A5E00158716-02
Plant startup after specific events
The table below shows what you need to observe for a restart of the plant after
specific events.
If...
then...
Startup after voltage drop or loss
Startup of ET 200eco after an
interrupt of bus communication
hazardous states must not develop. If necessary,
force EMERGENCY–OFF!
Startup after release of the
”EMERGENCY–OFF” device
controlled and defined startup must be ensured at
all times.
24 VDC power supply
The table below shows what you have to observe when operating the 24 VDC
power supply.
For...
always provide...
buildings
an external lightning
protection
lightning protection measures
(e.g. lightning protection
24 VDC supply lines,
signal lines
internal lightning protection
(e.g. lightning protection
elements)
24 VDC supply
safe (electrical) isolation of the extra–low voltage
Power supply routing
Power loss in the through–loop (see Chapter 3.4.5).
Protection against external electrical interference
The table below shows what you have to observe in order to protect your system
from electrical interference and faults.
For...
ensure that...
all plants or systems
equipped with an ET 200eco,
the plant or system is connected to a grounding conductor
in order to discharge electromagnetic interference.
power supply/signal/bus
cables
correct installation and cable routing.
signal and bus cables
a cable/wire break can not cause indefinite plant or
system states.
3.2
ET 200eco operation on a grounded power supply
Below you can find information on the overall structure of an ET 200eco distributed
I/O station that is operated on a grounded power supply (TN-S network). The
topics treated here are: shutdown devices, short–circuit/overload protection to
DIN VDE 0100 and DIN EN 60204-1.
Summary of Contents for SIMATIC ET 200eco
Page 8: ...Preface viii ET 200eco Distributed I O Station A5E00158716 02 ...
Page 18: ...Product overview 1 6 ET 200eco Distributed I O Station A5E00158716 02 ...
Page 70: ...Commissioning and diagnostics 4 16 ET 200eco Distributed I O Station A5E00158716 02 ...
Page 116: ...I O address area C 6 ET 200eco Distributed I O Station A5E00158716 02 ...
Page 124: ...Index Index 4 ET 200eco Distributed I O Station A5E00158716 02 ...