Product Overview
1-8
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
Table 1-1 ET 200S components
Component DrawingFunction
Terminal module ...carries the wiring and
receives the power and
electronic modules. Terminal
modules are available in the
following variants:
•
For power modules
•
For electronic modules
•
With screw-type terminal
•
With spring terminal
•
With Fast Connect
(quick connection
method, no stripping
required)
Power module ...monitors the voltage for all
the electronic modules in the
potential group. The following
power modules are available:
•
For a 24 VDC supply with
diagnostics
•
For a 24 to 48 VDC
supply with diagnostics
•
For a 24 to 48 VDC, 24 to
230 VAC supply with
diagnostics and fuse
Electronic module ...is connected to the terminal
module and determines the
function:
•
Digital input modules with
24 VDC, 120/230 VAC
and NAMUR
•
Digital output modules
with 24 VDC and 120/230
VAC
•
Relay modules
•
Analog input modules with
voltage, current, and
resistance measurement;
thermal resistance; and
thermocouples
•
Analog output modules for
voltage and current
•
Process-related modules
•
Fail-safe modules
•
RESERVE
Terminating
module
...terminates the ET 200S and
canbeusedtocarry6
reserve fuses (5 mm x 20
mm).
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