Wiring
4-2
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
4.1
General rules and regulations for operating an ET 200X
As a component part of a plant or system, the ET 200X distributed I/O device
necessitates observance of special rules and regulations, depending on where it is
to be used.
This chapter provides an overview of the most important rules which you have to
observe for integrating the ET 200X distributed I/O device in a plant or system.
Specific application
Observe the safety and accident prevention regulations that apply to specific
applications, e.g. the directive on machinery 89/392/EEC.
EMERGENCY STOP devices
EMERGENCY STOP devices conforming with IEC 204 (corresponds to
DIN VDE 113) must remain effective in all the operating modes of the plant or
system.
Plant Start-up after certain events
The following table shows the points you have to take into account upon start-up of
a plant following certain events.
If ...
Then ...
Start-up follows a voltage drop or
failure
Start-up of the ET 200X follows
an interruption of bus
communications
No dangerous operating states may occur. If
they do, an emergency stop must be
triggered.
Start-up follows unlocking of the
EMERGENCY STOP device
There must not be an uncontrolled or
undefined start-up.
Summary of Contents for SIMATIC ET 200X
Page 8: ...Preface viii ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Page 20: ...Contents xx ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Page 40: ...Product Overview 1 20 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Page 58: ...Configuration Options 2 18 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Page 80: ...Installation 3 22 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Page 124: ...Configuration Options 2 18 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Page 328: ...Order Numbers A 10 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Page 348: ...Dimesioned Drawings and Pinouts C 18 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...
Page 362: ...Index Index 8 ET 200X Distributed I O Device EWA 4NEB 780601602 06 ...