SINAMICS Safety Integrated

Simply safe - twice the efficiency!

The SINAMICS drive family offers converters for each power and performance level. Not only this, but SINAMICS converters have the safety functions seamlessly integrated in the standard portfolio. The drives are simply linked to SIMATIC, SINUMERIK and SIMOTION controls, and through communication via PROFIsafe, are perfectly harmonized with these. This offers you shorter commissioning times and a higher cost effectiveness thanks to efficient engineering and lower wiring costs.

Keep on the safe side using the free-of-charge Safety Evaluation Tool

Safety Evaluation Tool

Safety to go This video series contains everything about drive-based safety technology. Treat yourself to a short coffee break with our experts.

Episode 3 – SS1 monitoring functions

What is SS1? Which variants are there? How to configure them correctly? Where are they used? We will clarify all this in this episode.

Episode 2 – PROFIsafe control
In this episode we show how to easily setup the failsafe PROFIsafe communication between F-PLC and drive.

Find the used library here.

Episode 1 – Introduction to Safety Integrated

In this episode, we answer the question why safety is important for all machine builders and what actually stands behind the term Safety Integrated.

Episode 0 – Let's get started

This episode is the prelude to the new series. Robert Bechtloff introduces himself and explains the motivation behind the series.

Episode 3 – SS1 monitoring functions

Episode 2- PROFIsafe control

Episode 1 – Introduction to Safety Integrated

Episode 0 – Let's get started

Episode 3 – SS1 monitoring functions

Episode 2- PROFIsafe control

Episode 1 – Introduction to Safety Integrated

Episode 0 – Let's get started

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Portfolio overview You can quickly find the optimum solution for your drive and safety application in the large portfolio of SINAMICS with Safety Integrated - simple to implement and fit for the future.

*no PROFIsafe
Functions	STO	SS1	SBC	SBT	SLS	SDI	SSM	SLA	SOS	SS2	SP	SLP	SCA
SINAMICS V90 ^*)	✔	-	-	-	-	-	-	-	-	-	-	-	-
SINAMICS G115D	✔	-	-	-	-	-	-	-	-	-	-	-	-
SINAMICS G120C	✔	-	-	-	-	-	-	-	-	-	-	-	-
SINAMICS G120	✔	✔	✔	-	✔	✔	✔	-	-	-	-	-	-
SINAMICS G120D	✔	✔	-	-	✔	✔	✔	-	-	-	-	-	-
SINAMICS G130/G150	✔	✔	✔	✔	✔	✔	✔	-	-	-	-	-	-
SINAMICS S210	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔	-	-	-
SINAMICS S120	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔
SINAMICS S150	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔	✔

Find the right frequency converter for your safety application

To the safety selection guide

Safety functions Failsafe drives are characterized by their integrated safety functions, which they provide to the user as possible responses to safety-related events. The Safety Integrated Functions available in Siemens drives are subsequently described. The functional safety of all the functions satisfies the requirements defined in Part 5-2 of the international standard IEC 61800 for variable-speed drive systems. The SBT and SP functions go beyond the scope laid down in IEC 61800-5-2.

Functions to safely stop the drive

Safe Torque Off (STO)

STO safety sets the drive into a torque-free condition: an undesirable restart is safely prevented. A fast restart is possible after STO has been deselected as the DC link remains charged.

Safe Stop 1 (SS1)

The drive is quickly and safely stopped and monitored – especially for high moments of inertia.

Safe Stop 2 (SS2)

The drive is quickly and safely stopped and then SOS is activated.

Safe Operating Stop (SOS)

The position is safely held and monitored at standstill for each drive control.

Functions for safe brake management

Safe Brake Control (SBC)

A holding brake is controlled and monitored in a safety-related fashion, especially for vertical axes; is always activated in parallel with STO.

Safe Brake Test (SBT)

Up to two brakes per axis can be cyclically tested using the SBT diagnostic function.

Functions for safely monitoring drive motion

Safely-Limited Speed (SLS)

The speed/velocity value of the drive is monitored in safety-related fashion, and a configurable stop response is initiated when the limit value is violated.

Safe Speed Monitor (SSM)

A safety-related velocity/speed monitoring function supplies a safety-rated signal as long as the drive operates below a specified speed/feed velocity.

Safe Direction (SDI)

The direction of rotation is monitored in a safety-related fashion so that the drive can only move in the permissible direction; a configurable fault response is initiated if the drive moves in the incorrect direction.

Safely-Limited Acceleration (SLA)

It is safely monitored that the drive does not exceed a preset acceleration limit value.

Functions for safely monitoring the position of a drive

Safely-Limited Position (SLP)

Protection zones are monitored in a safety-related fashion using defined traversing ranges.

Safe Position (SP)

The SP function transfers the safe position actual values of the drive to the F control for further processing via PROFIsafe.

Safe Cam (SCA)

Safe cams supply a safety-related signal if the drive is located within a configured position range.

You can find detailed descriptions and application examples for the safety functions here

To the brochure

Tutorials Der Weg zur sicheren Maschine – In dieser Videoreihe zeigen wir, warum man einen Abnahmetest der Sicherheitsfunktionen benötigt und wie man ihn mit SINAMICS Startdrive Advanced ganz einfach durchführen kann.

Normative background

This video explains the normative background for the acceptance of the safety functions. What do you need an acceptance test for? Who is responsible for that? What is to be considered?

Acceptance test on an example machine

This video shows step by step how to perform an acceptance test on a real machine. As a result, the guided acceptance test delivers an automatically generated acceptance report - an important part of the machine documentation.

Partial acceptance after component replacement

This video shows what to do after replacing a component on the machine. Which drive components are safety-relevant? Does the entire acceptance have to be run through again? How do I document the acceptance after a component exchange?

References Significant advantages are obtained for machine OEMs and users to the same extent by integrating safety functions in the drive. The costs to realize a safe machine are drastically reduced – and the reliability of the solution has been clearly proven in many applications around the globe.

Mausdorf, Germany

WEILER Werkzeugmaschinen GmbH

saving of wiring effort by 50 - 70%
less material expenditure and higher throughput
additional control cabinet capacity

Zirndorf, Germany

MiniTec GmbH & Co. KG

easy instalation via memory card
30% time saving
one system - everything from a single source

Wollerau, Switzerland

Inautec GmbH

certified according to the highest security requirements
high security standard through self-monitoring
perfectly matched with Siemens drive technology

Contact Our experts for Safety Integrated will be happy to support you. Contact us if you have any further questions or would like advice. We look forward to a direct exchange with you.

Additional information

Failsafe drive technology

The Safety Evaluation Tool provides you with swift and reliable help in assessing the safety functions of your machine. The TÜV-tested online tool for standards IEC 62061 and ISO 13849-1 gets you straight to your goal [TÜV = German technical inspectorate]. As a result you receive a standards-compliant report that can be integrated in the documentation of your system or machine as proof of safety.