Siemens SIRIUS 3RK3 - Page 116

Internal circuit diagram
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Figure 5-18 PROFINET interface internal circuit diagram
Terminal designations of the PROFINET interface module
Terminal Meaning Explanation
A1+ Power supply 24 V DC
A2- Ground Ground to 24 V DC
FE Functional ground Shielding, equipotential bonding
Interfaces of the PROFINET interface module
Interface Meaning Explanation
X1 Device interface Connection of PC / PG, diagnostics display
X2 System interface Safety relay connection
X3 Ethernet RJ45 PROFINET connection
Display elements of the PROFINET interface module
Element Meaning
DEVICE Status
PORT PROFINET connection status
BF Bus error
SF Group error
Description of the hardware
5.1 Description of the individual modules
SIRIUS 3RK3 Modular Safety System
116 Equipment Manual, 07/2020, NEB926253002000/RS-AC/006