Siemens SIRIUS 3RM1 User Manual

Typical circuits
A.2 Typical circuits for safety-related shutdown
SIRIUS 3RM1 motor starter
182 Manual, 06/2016, A5E0345285095020A/RS-AE/005
A.2.5
3SK2 safety relay wired to 3RM11 motor starter
Description
● Shutdown via 3RM1 Failsafe motor starter
● "Reacting" subsystem up to SILCL 3 as per EN 62061 and PL e / Cat. 4 as per
EN ISO 13849-1
● Component certified in accordance with EN 62061/EN ISO 13849-1 in the actuator circuit
(3RM1 Failsafe motor starter)
● Device supply of the 3RM1 Failsafe motor starter via the terminals A1/A2
● Safety-related switching of the local input of the 3RM1 Failsafe motor starter via fail-safe
output of the 3SK2 safety relay
● Suitable for frequently requested safety functions (e.g. on indexing tables)
● No use of device connectors
● Protected laying of signal cables between the 3SK2 safety relay and 3RM1 Failsafe motor
starter (in the same control cabinet or in armored conduit)
Circuit diagram
-K1
3SK2 safety relay 22.5 mm
-Q1
3RM11 Failsafe motor starters (direct-on-line starters)
You will find detailed information, for example, about "logic" or "parameters" in the manual
"SIRIUS 3RM1 Motor Starter":SIRIUS 3SK2 Safety Relays
(https://support.industry.siemens.com/cs/ww/de/view/109444336)

Siemens SIRIUS 3RM1 Specifications

General

Brand	Siemens
Model	SIRIUS 3RM1
Category	Controller
Language	English