Product Overview
1-4
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
Basic and expansion modules
An ET 200X distributed I/O device consists of a basic module in which some digital
inputs and outputs have already been integrated. Up to 7 expansion modules can
be added to the basic module.
An ET 200X distributed I/O device is connected to PROFIBUS-DP by means of
cable connectors for PROFIBUS-DP on the basic module. Every ET 200X
distributed I/O device is a DP slave on PROFIBUS-DP.
ET 200X with BM 147/CPU can also be configured for standalone operation (i.e.
not connected to a bus).
Configuration of ET 200X (example)
Basic module
Expansion modules
Connectors for
PROFIBUS-DP and
supply voltage for elec-
tronic components and
sensors
Connector for
load voltage
X1 X2
X3
X4
X1 X2
X3
X4
X1 X2
X3
24 VDC
BF
ON
SF
Figure 1-2 Configuration of the ET 200X distributed I/O device (example)
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