4.4.5 Connecting a connection box
4.4.5.1 Connection information
NOTICE
Foreign objects or liquids
Foreign objects or liquids can cause a short-circuit inside the connection box and damage the
connection box or HMI device accordingly.
Pay attention to cleanliness. Keep foreign objects and liquids away while working on the
connection box.
Take care when working on the connection box that conducting materials, such as bare cable
leads, do not come into contact with the electrical circuits.
NOTICE
Observe local installation regulations
Observe the local installation regulations and the local installation conditions, such as
protective wiring for power supply cables, when connecting the cables.
Short-circuit and overload protection
Dierent measures for short-circuit and overload protection are required when setting up an
entire plant. The type of components and the level of obligation for the protective measures
depends on the regulation that applies to your plant conguration.
Connection sequence
NOTICE
Potential damage to property with incorrect connection sequence
Failure to adhere to the connection sequence can damage the connection box.
Connect the connection box in the following sequence:
1. Functional grounding
2. Power supply
3. Control via PROFINET (LAN)
4. Other Ethernet devices, such as an additional connection box
4.4.5.2 Opening and closing connection box standard and connection box advanced
The connection boxes standard and advanced must be opened for connecting and setting the
box ID.
Connecting
4.4 SIMATIC connection box
Handheld Terminal HT 10
42 Equipment Manual, 09/2020, A5E47430965B AA
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