Siemens SIRIUS 3RW55 Equipment Manual page 351

Soft starters and solid-state switching devices

Hide thumbs Also See for SIRIUS 3RW55:

Table of Contents

SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters

Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006

Difference to the wiring in chapter EMERGENCY STOP shutdown to SIL 3 STO with a 3RW55 Failsafe

soft starter with coupling of the digital input DI to the failsafe digital input F-DI (Page 352). In this

example of a circuit, no ground connection is required at terminal M because the digital inputs

DI1 ... DI4 are supplied from the sensor supply L+.

Example circuits

A.4 3RW55 Failsafe soft starter

Chapters

Table of Contents

Sirius 3rw55 failsafe