Cpu Module - Siemens SIMATIC CN 4100 Equipment Manual

①
②
③
④
⑤
⑥
Design of the rear
The following figure shows the rear of the rack:
①
②
③
④
3.3.2

CPU module

Definition
In the CN 4100 communication system, only the CN 4100 CPU is used as the central control
module.
CN 4100 Communication System
Equipment Manual, 10/2021, A5E50871363-AA
RJ45 Ethernet port (with display LEDs)
Slots for CPU modules
Slots for communications modules. These are equipped with a protective cover for unused
slots.
USB port
Power supply connection 24 V DC
Fastening hole
Screw for grounding the reference potential
Nameplate (Page 22)
Screw for connecting the shielding of the network cables X2, X2.1 and X2.2 to the metal
enclosure
Screw for connecting the shielding of the network cables X1, X1.1 and X1.2 to the metal
enclosure
System overview
3.3 Basic components of the system
13