Siemens SIMATIC ET 200M Manual page 22

Table 1-1 Components of an ET 200M, continued
Component
Signal modules (SM)
Accessory:
S
Front connector
S
Bus connector
Function modules (FM)
Accessory:
S
Front connector
S
Bus connector
Communication processor (CP)
Accessory:
S
Connecting cable
SIMATIC TOP connect
Accessory:
S
Front connector with ribbon cable
connection
Distributed I/O Device ET 200M
EWA-4NEB780600602-06
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Function
... adapt different process signal
levels.
... for time-critical and
memory-intensive process signal
processing tasks, such as
positioning or closed-loop control
... relieves the CPU of
communication tasks.
... to wire the digital modules or for
1-, 2- or 3-conductor connection.
Product Overview
Drawing
1-7