Product Overview
1-6
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
Features of the ET 200X
The supply voltage for the electronic components and sensors, the load voltage
and PROFIBUS-DP are connected to the basic module by means of
connectors.
The BM 141... and BM 142... basic modules contain a number of inputs and
outputs. Basic modules can be expanded on a modular basis.
Motor starters (direct-on-line and reversing starters) can be used as expansion
modules for switching and protecting any three-phase loads up to 5.5 kW, at
400 VAC (refer to the manual EM 300 Motor Starters).
Frequency converters can be used as expansion modules for actuating
asynchronous motors up to 0.75 kW rated power at 400 VAC (refer to the
manual EM 148-FC Frequency Converters).
Pneumatic modules having two 4/2-way valves and pneumatic interface
modules for connecting two regular FESTO valve islands to the ET 200X can
be used as expansion modules (refer to Section 1.4).
When expansion modules are installed, the supply voltage for the electronic
components and the sensors and the load voltage are automatically fed to
these modules from the basic module.
The voltage and the bus signals can be looped through to the next ET 200X via
connectors.
The supply voltage for the electronic components and the sensors and
PROFIBUS-DP can be fed to the first ET 200X via separate cables and then
looped through to the next ET 200X via a common cable.
The PROFIBUS address of the ET 200X can be set between 1 and 125 by
means of switches in the basic module.
There are 4 LEDs on the front of the basic module that indicate faults in the
hardware of an ET 200X (SF), bus faults (BF), and the supply voltage for the
electronic components and sensors (ON) and load voltage (24 VDC).
Transmission rates of 9.6 kbps to 12 Mbps are permitted for the ET 200X.
CP 142-2 as AS-i master
DP Master for ET 200X
The ET 200X can communicate with all DP masters that behave in compliance
with IEC 61784-1:2002 Ed1 CP 3/1. However, some DP masters can process only
limited frame lengths.
Check whether the DP master you are using can receive frames from the ET 200X
in their entirety. To ascertain this, you will find a list of maximum frame lengths in
the configuration and parameter assignment frames for ET 200X at
http://www.ad.siemens.de/simatic-cs.
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