System overview
2.4 Components
Distributed I/O system
System Manual, 12/2016, A5E03576849-AG
29
Motor starter/fail-safe
motor starter
The motor starter is a switching and protection
device for 1-phase and 3-phase loads.
The motor starter is available as a direct-on-
line and reversing starter.
BU cover Insert the BU cover on the BaseUnits:
• Whose slots are not occupied by I/O mod-
ules /motor starters
• Whose slots have been reserved for future
expansion (as empty slots).
You can keep a reference identification label
for the planned I/O module inside the BU
cover.
There are three versions:
• For BaseUnits with a width of 15 mm
①
• For BaseUnits with a width of 20 mm
②
• For BaseUnits of motor starters with a
width of 30 mm ③
Server module The server module completes the configura-
tion of the ET 200SP. The server module
includes holders for 3 spare fuses
(5 × 20 mm).
The server module ships with the
CPU/interface module.
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