Siemens SIMATIC CN 4100 User Manual

① Rack: Contains slots for the CPU modules and communications
modules.
Contains terminal points.
② CPU modules: Can be installed individually or as a redundant pair. CPUs
are plugged into the rack.
③ Communications modules: Optional modules with additional functions. These can al‐
so be installed individually or as a redundant pair. Com‐
munications modules are plugged into the rack.
3.3 Basic components of the system
3.3.1 Rack with 4 slots
De󹪝nition
The core component of the SIMATIC CN 4100 communication system is the rack.
The four-slot rack provides the following:
• Two slots for CPU modules.
– Redundant operation: Two CPUs.
– Simple operation: A CPU in the 󹪝rst slot.
• Two slots for communications modules.
• Power supply connections
• Network connections
Design of the front panel
The following 󹪝gure shows the front panel of the rack:
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



System overview
3.3 Basic components of the system
CN 4100 Communication System
12 Equipment Manual, 10/2021, A5E50871363-AA

Siemens SIMATIC CN 4100 Specifications

General

Brand	Siemens
Model	SIMATIC CN 4100
Category	Conference System
Language	English