Siemens SIRIUS 3RK3 Equipment Manual page 152

Description of the hardware
5.3 Connecting / wiring
Requirements
PROFIBUS DP connection cable with 9-pin sub‑D connector is available.
Connection to PROFIBUS DP
Step Instructions
1 Connect the PROFIBUS DP connector to the PRO‐
FIBUS DP interface.
2 Tighten the screws on the PROFIBUS DP connec‐
tor.
3 If the device is located at the end of the PROFI‐
BUS DP cable, switch on the terminating resistor
on the PROFIBUS DP connector.
152
Figure
SIRIUS 3RK3 Modular Safety System
Equipment Manual, 07/2020, NEB926253002000/RS-AC/006