SIGMA TEK SRO 021 Bedienungsanleitung

SRO 021

S-DIAS Safety

Relay Output Module

Instruction Manual

Date of creation: 18.12.2013

Version date: 05.12.2023

Article number: 20-893-021-E

Publisher: SIGMATEK GmbH & Co KG

A-5112 Lamprechtshausen

Tel.: +43/6274/4321

Fax: +43/6274/4321-18

Email: [email protected]

WWW.SIGMATEK-AUTOMATION.COM

SIGMATEK GmbH & Co KG

Translation of the Original Instruction

distributed in any form (print, photocopy, microfilm or in any other process) without the express permission.

We reserve the right to make changes in the content without notice. The SIGMATEK GmbH & Co KG is not

responsible for technical or printing errors in the handbook and assumes no responsibility for damages that occur

through use of this handbook.

S-DIAS SAFETY RELAY OUTPUT MODULE SRO 021

05.12.2023 Page 1

S-DIAS Safety Relay Output Module SRO 021

The S-DIAS Safety SRO 021 relay output module has the safety

integrity level SIL3 (EN IEC 62061) or Performancelevel e (PL e)

(EN ISO 13849). The SRO 021 has:

2 Safe outputs (EN 61131-2; EN IEC 62061 und EN ISO 13849)

Both outputs are used for the Safety-oriented closing (NO) of an

electric circuit with a permissible rated voltage of 24 V DC and a

maximum continuous current of 6 A.

The SRO 021 is used for example, for switching higher power loads

or potential-isolated circuits –such as hydraulic valves or the

relaying of emergency stop circuits.

The safety-related SRO 021 is ideal for use in systems with

optional modules and interface variables according to Safety

System Handbook, see homepage

To use the SRO 021 in an application, at least one Safety CPU

module that regulates the synchronized communication with the

safety modules using safe bus telegrams is also required. This also

includes

•Processing the safe application and

•The distribution of configuration data to remote Safety modules.

Using the search function with the keyword “Safety System Handbook”

SRO 021 S-DIAS SAFETY RELAY OUTPUT MODULE 
 
Page 2 05.12.2023 
Contents 
1Introduction............................................................................. 5 
1 Target Group/Purpose of this Operating Manual......................5 
2 Important Reference Documentation .........................................5 
3 Contents of Delivery.....................................................................5 
2Basic Safety Guidelines......................................................... 6 
1 Symbols Used...............................................................................6 
2 Disclaimer......................................................................................8 
3 General Safety Directives ............................................................9 
4 Designated Use...........................................................................11 
5 Software/Training .......................................................................12 
3Standards and Directives......................................................13 
1 Residual Risks ............................................................................13 
2 Safety of the Machine or Equipment ........................................13 
3 Directives.....................................................................................13 
3.1 Functional Safety Standards..............................................................14 
3.2 EU Conformity Declaration................................................................14 
4 Safety-Relevant Parameters......................................................15 
4.1 Mounting position horizontal 0-55 °C ambient temperature...............15 
4.2 Mounting position horizontal 0-60 °C ambient temperature...............15 
5 Compatibility...............................................................................16 
4Type Plate...............................................................................17 

 S-DIAS SAFETY RELAY OUTPUT MODULE SRO 021 
 
05.12.2023 Page 3 
5Technical Data.......................................................................18 
5.1 Relay Output Specifications......................................................18 
5.2 Lifespan of the Relay Output Module depending on the 
Number of Switching Cycles Per Year......................................21 
5.3 Relay Circuit................................................................................22 
5.4 Electrical Requirements.............................................................22 
5.5 Miscellaneous .............................................................................24 
5.6 Environmental Conditions.........................................................24 
6Mechanical Dimensions........................................................25 
7Connector Layout..................................................................26 
7.1 Status LEDs.................................................................................27 
7.2 Applicable Connectors...............................................................27 
7.3 Label Field...................................................................................28 
8Wiring.....................................................................................29 
8.1 Wiring Example...........................................................................29 
8.2 Note..............................................................................................30 
9Assembly/Installation ...........................................................31 
9.1 Check Contents of Delivery.......................................................31 
9.2 Mounting......................................................................................32 
10 Transport/Storage .................................................................34 
11 Storage...................................................................................34 

SRO 021 S-DIAS SAFETY RELAY OUTPUT MODULE

Page 4 05.12.2023

12 Maintenance...........................................................................35

12.1 Service.........................................................................................35

12.2 Repair...........................................................................................35

13 Disposal..................................................................................35

S-DIAS SAFETY RELAY OUTPUT MODULE SRO 021

05.12.2023 Page 5

1 Introduction

1.1 Target Group/Purpose of this Operating Manual

This operating manual contains all information required for the operation of the product.

This operating manual is intended for:

•Project planners

•Technicians

•Commissioning engineers

•Machine operators

•Maintenance/test technicians

General knowledge of automation technology is required.

Further help and training information, as well as the appropriate accessories can be found on

our website www.sigmatek-automation.com.

Our support team is happily available to answer your questions.

Please see our website for our hotline number and business hours.

1.2 Important Reference Documentation

•Safety System Handbook

This and additional documents can be downloaded from our website or obtained through

support.

1.3 Contents of Delivery

1x SRO 021

SRO 021 S-DIAS SAFETY RELAY OUTPUT MODULE

Page 6 05.12.2023

2 Basic Safety Guidelines

2.1 Symbols Used

The following symbols are used in the operator documentation for warning and danger

messages, as well as informational notes:

DANGER

Danger indicates that death or serious injury will occur, if the specified

measures are not taken.

To avoid death or serious injuries, observe all guidelines.

Danger indique une situation dangereuse qui, faute de prendre les

mesures adéquates, entraînera des blessures graves, voire mortelles.

Respectez toutes les consignes pour éviter des blessures

graves, voire mortelles.

WARNING

Warning indicates that death or serious injury can occur, if the specified

measures are not taken.

To avoid death or serious injuries, observe all guidelines.

Avertissement d’une situation dangereuse qui, faute de prendre les

mesures adéquates, entraînera des blessures graves, voire mortelles.

Respectez toutes les consignes pour éviter des blessures

graves, voire mortelles.

CAUTION

Caution indicates that moderate to slight injury can occur, if the

specified measures are not taken.

To avoid moderate to slight injuries, observe all guidelines.

Attention indique une situation dangereuse qui, faute de prendre les

mesures adéquates, peut entraîner des blessures assez graves ou

légères.

Respectez toutes les consignes pour éviter des blessures

graves, voire mortelles.

S-DIAS SAFETY RELAY OUTPUT MODULE SRO 021

05.12.2023 Page 7

CAUTION

Danger for ESD-sensitive components.

Les signes de danger pour les composants sensibles aux décharges

électrostatiques.

INFORMATION

Information

Provides important information on the product, handling or

relevant sections of the documentation, which require

attention.

SRO 021 S-DIAS SAFETY RELAY OUTPUT MODULE

Page 8 05.12.2023

2.2 Disclaimer

INFORMATION

The contents of this operating manual were prepared with the greatest

care. However, deviations cannot be ruled out. This operating manual

is regularly checked and required corrections are included in the

subsequent versions. The machine manufacturer is responsible for the

proper assembly, as well as device configuration. The machine

operator is responsible for safe handling, as well as proper operation.

The current operating manual can be found on our website. If

necessary, contact our support.

Subject to technical changes, which improve the performance of the

devices. The following operating manual is purely a product

description. It does not guarantee properties under the warranty.

Please thoroughly read the corresponding documents and this

operating manual before handling a product.

SIGMATEK GmbH & Co KG is not liable for damages caused

through, non-compliance with these instructions or applicable

regulations.

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