4.2 Hardware and software requirements
To commission the MSS 3RK3 in this example, you will need the following hardware and
software components:
Number Device Article number
1 3RK3 Basic central unit 3RK3111‑1AA10
1 Expansion module 2/4 F‑DI 2 F‑DO 3RK3231‑1AA10
1 24V PELV power supply unit 6ES73071EA00‑0AA0
1 Light curtain (ESPE) -
1 Pushbutton (NO contact) 3SB3801‑0DD3
1 EMERGENCY STOP control device 3SB3801‑0EG3
1 Two-hand operator panel 3SB3863‑4BB
2 Contactors 3RT1015‑1BB42
1 0.025 m connection cable 3UF7930‑0AA0‑0
1 PC cable 3UF7940‑0AA00‑0, product version 2
1 Safety ES (software) 3ZS1316-*
To congure the modules, you need a programming device or PC with Safety ES. You will nd
further information in the attached README le of Safety ES.
Getting started with MSS 3RK3 Basic
4.2 Hardware and software requirements
SIRIUS 3RK3 Modular Safety System
62 Equipment Manual, 07/2020, NEB926253002000/RS-AC/006