| Вид документа | Каталожна сторінка |
|---|---|
| Виробник | SIEMENS |
| Моделі | 3SK1111, 3SK1112, 3SK1120, 3SK1121, 3SK1122, 3SK1211, 3SK1213, 3SK1220 |
| Група обладнання | automation |
| Мова документа | англійська |
| Розмір файлу | 5.4 МБ |
Про документ
Siemens SIRIUS safety relays are the key elements of a consistent, cost-effective safety chain for EMERGENCY STOP monitoring, protective door monitoring, light arrays, laser scanners, two-hand operation consoles and protection of presses or punches. The portfolio comprises the compact 3SK1 Standard and Advanced basic units, the software-parameterizable 3SK2 basic units with up to six independent shutdown functions, plus output/input expansions, accessories, and the 3TK28 standstill/speed monitors. All devices are approved up to SIL 3 according to IEC 62061 or PL e according to ISO 13849-1.
Ключові дані
| Safety level | SIL 3 according to IEC 62061 / PL e according to ISO 13849-1 |
|---|---|
| Ambient temperature (operation) | -25 … +60 °C |
| Ambient temperature (storage) | -40 … +80 °C |
| Installation altitude | 4 000 m maximum (3SK1), 2000 m maximum (3SK2) |
| Vibration resistance | 5 ... 500 Hz: 0.75 mm according to IEC 60068-2-6 |
| Degree of protection | IP20 |
| T1 value for proof test interval or service duration according to IEC 61508 | 20 y |
Застосування
- EMERGENCY STOP monitoring
- Protective door monitoring, including with tumbler
- Monitoring of non-floating sensors such as light arrays, laser scanners, etc.
- Monitoring of two-hand operation consoles
- Monitoring of equivalent (NC/NC) and antivalent (NO/NC) sensors
- Muting
- Safety mat monitoring
- Standstill and speed monitoring with encoders and proximity switches; integrated monitoring of a spring-loaded locking protective door
Особливості
- Compact SIRIUS design, widths from 17.5 mm
- Relay outputs, semiconductor outputs, time-delayed outputs, power outputs
- Parameterization by DIP switch (3SK112, 3SK1112) or software (3SK2)
- Connection of expansions via wiring or 3ZY12 device connectors
- Communication via PROFINET/PROFIBUS using interface modules
- Diagnostics via diagnostics module, display on the device, memory module
- Sensor cable lengths up to 2 000 m
- Screw terminals or spring-loaded terminals (push-in), removable terminals, TOP wiring
- Yellow terminal covers clearly identify the device as a safety component
- 3RM1 Failsafe motor starters can be integrated into the safety relay system
Технічні дані
| Parameter | Value |
|---|---|
| Safety Integrity Level (SIL) according to IEC 62061 | 3 |
| Performance Level (PL) according to ISO 13849-1 | e |
| T1 value for proof test interval or service duration according to IEC 61508 | 20 y |
| Width x height x depth | 22.5 x 100 x 121.6 mm (3SK1111, 3SK1112); 22.5 x 100 x 91.6 mm (3SK1120, 3SK1121, 3SK1122); 17.5 x 100 x 121.6 mm (3SK1211); 90 x 100 x 121.6 mm (3SK1213); 22.5 x 100 x 124.5 mm / 45 x 100 x 124.5 mm (3SK2) |
| Ambient temperature during operation | -25 … +60 °C |
| Ambient temperature during storage | -40 … +80 °C (3SK1, 3SK2112); -40 … +85 °C (3SK2122) |
| Installation altitude above sea level, maximum | 4 000 m (3SK1, Derating see Product announcement); 2000 m (3SK2) |
| Air pressure according to SN 31205 | 90 … 106 kPa |
| Shock resistance | 10 g/11 ms and 5 g/10 ms (3SK1); 15 g/11 ms (3SK2) |
| Vibration resistance according to IEC 60068-2-6 | 5 ... 500 Hz: 0.75 mm |
| Degree of protection IP of the enclosure | IP20 |
| Touch protection against electric shock | Finger-safe |
| Insulation voltage, rated value | 300 V / 50 V / 300 V (3SK1 variants); 50 V (3SK2) |
| Impulse withstand voltage, rated value | 4000 V / 800 V / 4000 V (3SK1 variants); 800 V (3SK2) |
| EMC emitted interference | IEC 60947-5-1 class B / class A (3SK1); Class A according to IEC 60947-1 (3SK2) |
| Switching capacity current of NO contacts of relay outputs at AC-15 at 230 V | 5 A (3SK1111); 3 A (3SK1121, 3SK1122); 10 A (3SK1213) |
| Switching capacity current of NO contacts of relay outputs at DC-13 at 24 V | 5 A (3SK1111); 3 A (3SK1121, 3SK1122); 6 A (3SK1213) |
| Switching capacity current of semiconductor outputs at DC-13 at 24 V | 2 A (3SK1112); 0.5 A (3SK1121, 3SK1122); 4 A (3SK2) |
| PFHD at high demand rate according to EN 62061 | 1.7 x 10⁻⁹ 1/h (3SK1111-.AB30/.AW20); 1.5 x 10⁻⁹ 1/h (3SK1112); 1.0 x 10⁻⁹ 1/h (3SK1120); 1.3 x 10⁻⁹ 1/h (3SK1121-.CB4., 3SK1122-.AB40); 2.5 x 10⁻⁹ 1/h (3SK1121-.AB40); 3.7 x 10⁻⁹ 1/h (3SK1122-.CB4.); 1.5 x 10⁻⁹ 1/h (3SK1213); 1.0 x 10⁻⁹ 1/h (3SK2112); 1.2 x 10⁻⁸ 1/h (3SK2122) |
| PFDavg at low demand rate according to IEC 61508 | 1.0 x 10⁻⁶ (3SK1111); 7.0 x 10⁻⁶ (3SK1112); 1.0 x 10⁻⁶ (3SK1121, 3SK1122); 1.5 x 10⁻⁵ (3SK2112); 1.8 x 10⁻⁵ (3SK2122) |
| UL approval | Yes |
| TÜV approval | Yes |
| Control supply voltage 3SK1 | 24 V DC / 24 V AC/DC / 110 ... 240 V AC/DC; 50/60 Hz depending on variant |
| Control supply voltage 3SK2 | 24 V DC |
| Inputs 3SK1 Standard | 2 x 1-channel, 1 x 2-channel |
| Inputs 3SK1 Advanced | 2 x 1-channel, 1 x 2-channel |
| Inputs 3SK2 | Freely configurable: 10 x 1-channel, 5 x 2-channel (22.5 mm); 20 x 1-channel, 10 x 2-channel (45 mm) |
| Transmission type for PROFINET Industrial Ethernet (3SK2511) | with 100 Mbps full duplex (100BASE-TX) |
| Number of interfaces according to PROFINET (3SK2511) | 1 |
| PROFINET Conformance Class (3SK2511) | B |
| Volume of cyclic user data for PROFINET IO (3SK2511) | For outputs 64 bit; For inputs 64 bit |
| Sensors 3TK2810-0 / 3TK2810-1 | Inputs 3 / 4; Electronic -- / 3; With contacts -- / 1; Without sensors (measuring inputs) 3 / -- |
| Signaling outputs 3TK2810-0 / 3TK2810-1 | Floating 1 CO / --; Electronic 2 / 2 |
| Enabling circuit floating, stop category 0 | 3 TK2810-0: 3 NO + 1 NC; 3TK2810-1: 2 |
| SIL level max. according to IEC 62061/IEC 61508 (3TK2810) | 3 |
| Performance Level (PL) according to ISO 13849-1 (3TK2810) | e |
| Probability of a dangerous failure per hour (PFHd) 3TK2810-0 | 1.5 x 10⁻⁸ 1/h |
| Probability of a dangerous failure per hour (PFHd) 3TK2810-1 | 3.38 x 10⁻⁹ 1/h |
| Standards (3TK2810) | IEC 60204-1, IEC 60947-5-1, ISO 12100, ISO 13849-1, IEC 62061/IEC 61508 |
| Test certificates (3TK2810) | TÜV, UL, CSA |
Варіанти замовлення
- 3SK1 article number scheme: 3SK1 @@@– @@@@@ — Device version: Basic unit 1, Expansion unit 2; Type of outputs: Relay outputs 1, Semiconductor outputs 2, Power outputs 3; Connection type: Screw terminals 1, Spring-loaded terminals (push-in) 2.
- 3SK1111-@AB30 (24 V), 3SK1111-@AW20 (110 … 240 V), 3SK1112-@BB40 (24 V DC, 2 semiconductor outputs).
- 3SK1121-@AB40, 3SK1120-@AB40, 3SK1122-@AB40; delayed versions -@CB41 (0.05 ... 3 s), -@CB42 (0.5 … 30 s), -@CB44 (5 … 300 s).
- Output expansions: 3SK1211-@BB00/-@BB40/-@BW20 (4 NO + 1 NC); 3SK1213-@AB40 (24 V DC), 3SK1213-@AJ20 (115 V AC), 3SK1213-@AL20 (230 V AC) (3 NO + 1 NC).
- Input expansions: 3SK1220-@AB40 sensor expansion; 3SK1230-@AW20 power supply (110 ... 240 V AC/DC).
- 3SK2 basic units: 3SK2112-@AA10 (22.5 mm), 3SK2122-@AA10 (45 mm); connection type screw terminals 1 / spring-loaded terminals (push-in) 2.
- Interface modules: 3SK2511-@FA10 (PROFINET, 22.5 mm), 3RK3511-@BA10 (PROFIBUS, 45 mm).
- Starter kits: 3SK2941-2AA11 basic starter kit; 3SK2942-2AA11 PROFINET starter kit.
- Multi-unit packaging: order code X90, e.g. 3SK1111-2AB30-Z X90, quantity 12 items.
- 3TK2810-0 standstill monitors: 3TK2810-0BA01/0BA02 (24 V DC), 3TK2810-0GA01/0GA02 (230 V AC), 3TK2810-0JA01/0JA02 (400 V AC); Us 0.2 ... 6 s (standstill).
- 3TK2810-1 speed monitors NPN/PNP: 3TK2810-1BA41/1BA42 (24 V DC), 3TK2810-1KA41/1KA42 (120 ... 240 V AC/DC); Us 0 … 999 s (release delay). NAMUR versions: -0AA0 suffix.
- Accessories: device connectors 3ZY1212-1BA00, 3ZY1212-2BA00, 3ZY1212-2GA00, 3ZY1212-4GA01, 3ZY1212-2EA00; termination connectors 3ZY1212-2DA00, 3ZY1212-1DA00, 3ZY1212-2FA00, 3ZY1212-0FA01; daisy chain connector 3ZY1212-2AB00; height adjustment connector 3ZY1210-2AA00; removable terminals 3ZY1121-1BA00, 3ZY1131-1BA00, 3ZY1141-1BA00, 3ZY1121-2BA00, 3ZY1131-2BA00, 3ZY1141-2BA00; USB PC cable 3UF7941-0AA00-0; connecting cables 3UF7930-0AA00-0, 3UF7931-0AA00-0, 3UF7934-0AA00-0, 3UF7935-0AA00-0, 3UF7932-0AA00-0, 3UF7932-0BA00-0, 3UF7937-0BA00-0, 3UF7933-0BA00-0; diagnostics module 3SK2611-3AA00; door adapter 3UF7920-0AA00-0; interface cover 3RA6936-0B; memory module 3RK3931-0AA00; sealing covers 3ZY1321-1AA00, 3ZY1321-2AA00; push-in lugs 3ZY1311-0AA00, 3RP1903; coding pins 3ZY1440-1AA00; hinged covers 3ZY1450-1AB00, 3ZY1450-1BA00, 3ZY1450-1BB00, 3ZY1450-1BC00; labeling plates 3RT2900-1SB10, 3RT2900-1SB20; screwdriver 3RA2908-1A; adapters 3TK2810-1A, 3TK2810-1B; connecting cable 3TK2810-0A.
Допуски та стандарти
- IEC 62061
- IEC 61508
- EN 62061
- ISO 13849-1
- IEC 60947-5-1
- IEC 60947-1
- IEC 60204-1
- IEC 60068-2-6
- ISO 12100
- ISO 13850
- EN 418
- ISO 14119
- EN 574/ISO 13851
- SN 31205
- TÜV approval
- UL approval
- CSA (test certificates, 3TK2810)
Позиції каталогу з цим документом
Текст документа
11
© Siemens 2023
Safety technology
Price groups
PG 41B, 41H, 41L, 42B, 42C, 42F, 42J
11/2 Introduction
Safety relays
SIRIUS 3SK safety relays
11/13 General data
Basic units
11/22 - SIRIUS 3SK1 Standard basic units
11/23 - SIRIUS 3SK1 Advanced basic units
11/24 - SIRIUS 3SK2 basic units
Expansion units
11/26 - Output expansions
11/28 - Input expansions
11/29 Accessories
SIRIUS 3TK28 safety relays
11/33 With special functions
11/35 Accessories
11
Siemens IC 10 · 2023
© Siemens 2023
Safety technology
Introduction
■ Overview
Functional safety of machines and plants – Basic safety Objective of the standards
requirements in the manufacturing industry
It is the objective of safety technology to minimize as far as
In order to protect people and the environment in many industrial possible the hazards from technical facilities for people and the
applications in the manufacturing and process industries, environment while restricting no more than absolutely necessary
machines and plants must meet the fundamental safety the scope of industrial production, the use of machines or the
requirements of the EU Directives, particularly the Machinery production of chemical products.
Directive. In addition to design solutions, automation systems
and components are also expected to perform safety-related Production automation is governed in particular by the following
tasks. This means that the life and health of people and the standards:
physical integrity of capital goods and the environment depend • IEC 62061 and
on the proper operation of these systems and components, • ISO 13849-1
on "functional safety".
The IEC 62061 standard
With the introduction of the uniform European Single Market,
national standards and regulations affecting the technical The IEC 62061 standard "Safety of machines – Functional safety
realization of machines were consistently harmonized. of electrical, electronic and programmable electronic control
This involved defining basic safety requirements which address, systems" defines comprehensive requirements. It includes
on the one hand, machine manufacturers in terms of the free recommendations for the design, integration and validation of
movement of goods (Article 95) and, on the other hand, users in safety-related electrical, electronic and programmable
terms of industrial safety (Article 137). electronic control systems (SRECS) for machines. For the first
time, one standard covers the entire safety chain, from the
The EU directives: sensor to the actuator. The Safety Integrity Level, or SIL for short,
• Define requirements which must be met by plants and their is defined as the application parameter for this standard.
operating companies in order to protect the health of people Requirements placed on the capacity of non-electrical –
and the quality of the environment e.g. hydraulic, pneumatic, or electromechanical – safety-related
• Include standards for health & safety at work (minimum control elements for machines are not specified by the standard.
requirements)
• Define product requirements (e.g. for machines) to protect the
health and safety of consumers
• Differentiate between the requirements which must be met for
the implementation of products in order to ensure the free
movement of goods and the requirements which must be met
for the use of products
Safety requirements
Article 95 EC Treaty Article 137 EC Treaty
(free movement of goods) (industrial safety)
11 "Industrial safety" framework
Safety of machines and systems
directive
The ISO 13849-1 standard
e.g. machines
(89/391/EEC) ISO 13849-1 "Safety of machinery - Safety-related parts of
controls – Part 1: General principles" replaced EN 954-1 at the
end of 2011. It considers the complete range of safety functions
with all the devices which are involved in their performance.
Other Separate ISO 13849-1 also makes a quantitative analysis of the safety
machinery- Machinery directive functions. The standard describes how to determine the
relevant directives directive "Use of Performance Level (PL) for safety-relevant parts of control
such as EMC operating systems on the basis of architectures specified for the intended
Directive (2006/42/EC) equipment" service life.
(2014/30/EU) (2009/104/EC)
When combining several safety-related parts to form a complete
system, the standard explains how to determine the resulting PL.
Harmonized European standards National laws It can be applied to safety-related parts of control systems
(SRP/CS) and all types of machines, regardless of the
technology and energy used, e.g. electrical, hydraulic,
Manufacturer User pneumatic or mechanical.
IC01_00543b
Safety requirements imposed on machines and plants
11/2 Siemens IC 10 · 2023
© Siemens 2023
Safety technology
Introduction
Safety Integrated – Integrated safety technology As a partner for all safety requirements, we not only support you
from a single source with the respective safety-related products and systems, but
also consistently provide you with the most current know-how on
international standards and regulations. Machine manufacturers
and plant managers are offered a comprehensive training
portfolio as well as services for the entire lifecycle of safety-
related systems and machines.
• A uniform, certified product range
• Courses on CE marking, risk assessment and standards, see
www.siemens.com/sitrain
• For a collection of frequently required documents, see
Safety Integrated - Safety in Factory Automation
• For application examples, see
www.siemens.com/safety-selector
• Worldwide service and support, see
https://support.industry.siemens.com
For more information, see www.siemens.com/safety-integrated.
Safety Evaluation in the TIA Selection Tool
Safety Integrated
The following applies equally for machine manufacturers and the
companies which operate their machines: Maximum possible
safety for personnel and machines. The solution: our
Safety Integrated concept based on Totally Integrated
Automation. Whether for simple safety functions or highly
complex tasks – our portfolio offers you maximum safety.
Safety Integrated is a unique, complete and consistent range
of safety products covering all safety-related tasks – from
detecting, evaluating and reacting, from switches and control
systems to operating mechanisms (see graphic on page 11/4).
Our products meet the safety requirements in force in industry,
including IEC, ISO, NFPA and UL, and are certified in
accordance with the latest safety standards. Safety Evaluation
All Safety Integrated products or systems can be seamlessly The safety evaluation for the standards IEC 62061 and
integrated in the standard automation environment. They are ISO 13849-1 is performed quickly and easily, directly in the
therefore particularly flexible and economical, reduce TIA Selection Tool. In addition to the fast and safe calculation
engineering time, increase plant availability and enable of machine safety functions – from the definition of the system
practice-related machine operation. structure to the selection of components – this enables shared
data management during all project phases. Take the next
Designing a safety function step in the digital design of machinery and equipment with
Safety Evaluation in the TIA Selection Tool.
A safety chain normally comprises the following functions:
detect, evaluate and react. In detail this means: In addition, the functionalities of the proven Safety Evaluation Tool
• Detect = the detection of a safety requirement with are still available. It determines the achieved safety integrity
corresponding sensors, such as EMERGENCY STOP or
position switches
(SIL/PL) step-by-step. You receive the results as a standards-
compliant report that can be integrated in the documentation as
11
proof of safety.
• Evaluate = the detection of a safety requirement and the
reliable initiation of a reaction, e.g. shutting down the enabling Your advantages at a glance:
circuits • Automatic calculation in accordance with current standards
• React = shutting down the hazard using suitable motor • Fast results: Standards-compliant report
switching devices such as contactors, fail-safe motor starters,
or fail-safe soft starters • Less time needed to evaluate the safety functions
• Fast access to the latest product data
• User-friendly archiving: Projects can be saved and called up
Detecting Evaluating Reacting again as required
(Sensors) (Safety relay) (Actuators)
• Selection menus for determining diagnostic coverage (DC)
and common cause failures (CCF).
• Different operating cycles can be input when used in
a 2-channel configuration
• Failure rate calculation
For more information, see
NSC0_00719c
www.siemens.com/safety-evaluation.
Possible configuration of a safety function
Siemens IC 10 · 2023 11/3
© Siemens 2023
Safety technology
Introduction
Detecting Evaluating Reacting
Highly flexible machine with variable
project data volume
SIMATIC SIMATIC
S7-1200F SIMATIC S7-1500F
IPC427C-RTX F
PROFIBUS/PROFIsafe
PROFINET/PROFIsafe
SIMOCODE SINAMICS
pro Safety S120
SIMATIC
Integrated safety solutions
ET 200SP SIMATIC ET 200pro
with motor starter
SIRIUS ACT
with PROFINET
SIRIUS ACT
EMERGENCY
STOP
Mobile
SIRIUS panel
safety
switch
AS-Interface/ASIsafe SIMATIC ET 200SP SINAMICS
with motor starter G120
SIRIUS ACT SIRIUS
EMERGENCY contactor SINAMICS
STOP ASIsafe G120D
compact ASIsafe SlimLine
SIRIUS module compact module
safety K45F, K20F
switch
Compact machine with locally limited safety
technology
SIMATIC
S7-1200
Independent safety solutions
PROFINET
SIRIUS
SIRIUS SIMATIC
11 3SK2 SIRIUS SIRIUS
SIRIUS ACT 3RW55 compact 3RM1 ET 200SP
safety relays
EMERGENCY soft feeder motor with
STOP starter starter motor
starter
SIRIUS
safety SIRIUS
NSB0_01822n
switch SIRIUS ACT
contactor
EMERGENCY
STOP
Safety Integrated
11/4 Siemens IC 10 · 2023
© Siemens 2023
Safety technology
Introduction
SIRIUS Safety Integrated
Our SIRIUS Safety Integrated controls are a central element of SIRIUS Safety Integrated uses fail-safe communication via
the Siemens Safety Integrated concept. Whether for fail-safe standard fieldbus systems, such as ASIsafe via AS-Interface
detecting, commanding and signaling, monitoring and and PROFIsafe via PROFIBUS and PROFINET, to solve even
evaluating or starting and reliable shutting down – our networked safety tasks of greater complexity. This opens
SIRIUS Safety Integrated controls are experts at performing the door for flexible safety solutions for compact machines
safety tasks in your plant. or large-scale plants.
Implementation of many typical safety applications, see
Application Manual for SIRIUS Safety Integrated.
Detecting Evaluating Reacting
3SE5 3SE63 3SK 3RT1 3RT2
safety RFID safety safety relay contactor contactor
switch switch
3SE53 3SE64 SIMOCODE pro 3RW55 3RM1
safety RFID safety 3UF7 Failsafe soft starter motor starter
switch switch with
with tumbler tumbler
3SE66, 3SE67 SIRIUS ACT ET 200SP with 3RK1308 3RQ1
magnetically 3SU1 CM AS-i Master ST and ET 200SP coupling relay
operated switches EMERGENCY F-CM AS-i Safety ST motor starter
STOP 3RK7
3SE7 SIRIUS ACT 3TK2810 3RK1304
cable-operated 3SU1 standstill and ET 200pro motor starter
switch two-hand operation speed monitor
console
11
3RK1 3SE29
ASIsafe compact safety
module foot switch
Electronically
configurable 8WD46
signaling column
3RK1
ASIsafe
SlimLine
IC01_00695b
Compact
module
SIRIUS Safety Integrated
Siemens IC 10 · 2023 11/5
© Siemens 2023
Safety technology
Introduction
Monitoring with safe evaluation devices from the 3SK series
The safe evaluation devices of the 3SK device series are non-contact position switches and switches with tumblers.
perfectly suited for evaluating safety switches of the 3SE product The highest safety levels, SIL 3 according to IEC 62061 and
family. These are not only suitable for simple position switches, PL e according to ISO 13849-1, can be achieved.
but can also be used easily and without problems with
Position monitoring with non-contact safety Safe protective door tumbler with safety switches and
switches separate actuator, in accordance with EN ISO 14119
3SE66, 3SE67 3SE63 3SE64 RFID safety 3SE53 3SE53
magnetically operated switches RFID safety switch switch with tumbler safety switch with tumbler safety switch with tumbler
2 NC + 1 NC (signaling contact) Î Î
SIL 3/PL e SIL 2/PL d SIL 3/PL e
IC01_00567c
3SK1 3SK2 3SK2
Safety relays Safety relays
Monitoring with fail-safe evaluation units
Notes:
For more information, see FAQ article.
For information on safety switches, see page 12/1 onwards.
11
11/6 Siemens IC 10 · 2023
© Siemens 2023
Safety technology
Introduction
Using SIRIUS 3RT contactors with fail-safe controllers and safety relays
Safety relays and fail-safe controllers work perfectly with SIRIUS They offer the following advantages:
contactors optimized for safety application regardless of their size: • Reduced current load on the controller outputs
• In the low performance range with 3RT201 or 3RT202 • Minimization of wear for mechanical relays on controllers or
contactors with DC operating mechanism safety relays
• In the medium performance range with 3RT203 or 3RT204 • Coupling links between controllers and contactors are no
contactors with solid-state operating mechanism and fail-safe longer required
control input
• In the high performance range with 3RT105, 3RT106 or
3RT107 contactors with solid-state operating mechanism and
fail-safe control input
SIRIUS safety relays SIMATIC controllers
Perfect combination
IC01_00534a
S00 S0 S2 S3 S6 S10 S12
3RT2 contactors 3RT1 contactors
11
Combination of SIRIUS 3RT contactors with fail-safe controllers and safety relays
Siemens IC 10 · 2023 11/7
© Siemens 2023
Safety technology
Introduction
Type Page
SIRIUS Safety Integrated
3SK safety relays
• Key modules of a consistent and cost-effective safety chain
• Can be used for all safety applications thanks to compliance with the highest safety
requirements (SIL 3 according to IEC 62061 and PL e according to ISO 13849-1)
• Suitable for use all over the world through compliance with all globally established
certifications
SIRIUS 3SK1 Standard basic units 3SK111 11/22
3SK111 • Simple, compact devices for all important requirements for monitoring safety sensors and
actuators
SIRIUS 3SK1 Advanced basic units 3SK112 11/23
• Multifunctional series of safety relays with safe relay outputs, semiconductor outputs
or time-delayed outputs for:
- EMERGENCY STOP monitoring
- Protective door monitoring
- Monitoring of non-floating sensors such as light arrays, laser scanners, etc.
- Monitoring of two-hand operation consoles
3SK112
- Monitoring of equivalent (NC/NC) and antivalent (NO/NC) sensors
• Setting by means of DIP switch
SIRIUS 3SK2 basic units 3SK2 11/24
• Series of safety relays that can be parameterized by software, with semiconductor outputs
and independent output functions for:
- EMERGENCY STOP monitoring
- Protective door monitoring
- Protective door monitoring with tumbler
3SK2
- Monitoring of non-floating sensors such as light arrays, laser scanners, etc.
- Monitoring of two-hand operation consoles
- Monitoring of equivalent (NC/NC) and antivalent (NO/NC) sensors
- Muting
- Communication via PROFINET (optional)
Expansion units 3SK121, 11/26,
• 3RO and 4RO output expansions for SIRIUS 3SK1 Standard basic units, 3SK122, 11/28
SIRIUS 3SK1 Advanced basic units and SIRIUS 3SK2 basic units 3SK123
3SK121 • 3RQ1 output expansions up to SIL 2/PL c for SIRIUS 3SK1 Standard basic units,
SIRIUS 3SK1 Advanced basic units and SIRIUS 3SK2 basic units
• Input expansion for SIRIUS 3SK1 Advanced basic units
• Power supply for SIRIUS 3SK1 Advanced basic units
• Integration of 3RM1 motor starters possible and, therefore, simple integration
of a main circuit component in a system configuration of the safety relays.
There is no need for complex wiring between the safety evaluation unit and
the actuator.
• Expansion of the Standard device series by means of wiring
11 • Expansion of the SIRIUS 3SK1 Advanced and SIRIUS 3SK2 device series by means of wiring
or without wiring outlay by means of 3ZY12 device connectors
3TK2810 safety relays 3TK2810 11/33
• Further modules of a consistent and cost-effective safety chain
• Can be used for all safety applications thanks to compliance with the highest safety
requirements (SIL 3 according to IEC 62061/IEC 61508 and PL e according to ISO 13849-1)
• Suitable for use all over the world through compliance with all globally established
certifications
Safe standstill monitoring with 3TK2810-0
3TK2810-1BA41 • Monitoring without external sensors
• Universal use in applications possible
Safe speed monitoring with 3TK2810-1
• Monitoring of speed with encoders and proximity switches possible
• Easy diagnostics options via display
• Integrated monitoring of a spring-loaded locking protective door
11/8 Siemens IC 10 · 2023
© Siemens 2023
Safety technology
Introduction
Type Page
SIRIUS Safety Integrated (continued)
AS-Interface safety modules 3RK1 From 2/27
• Complete portfolio of ASIsafe modules
• For connection of safety switches with contacts (e.g. position switches)
• Degree of protection IP65/IP67 or IP20
• Especially compact dimensions, with widths from 17.5 mm
• Up to four safe inputs per module
• Standard outputs are available on the module in addition
K45F SC17.5F
• Up to SIL 3/PL e
Advantage: Easy integration of safe signals both in the control cabinet or in the field
CM AS-i Master ST and F-CM AS-i Safety ST for ET 200SP 6ES7, 2/32,
The CM AS-i Master ST and F-CM AS-i Safety ST modules are plugged into an ET 200SP 3RK7 2/36
configuration and connect an AS-i network, including safety-related inputs and outputs,
with the controller.
• Single, double and multiple masters possible
• Per CM AS-i Master ST up to 496 DI/496 DQ/124 AI/124 AQ possible
• Per F-CM AS-i Safety ST up to 31 safe input signals (2-channel)/16 safe output channels
possible
• Configuration in the TIA Portal/STEP 7
CM AS-i Master ST and • Plant-wide safety programming of the F-CPU via SIMATIC Distributed Safety/Safety Advanced
F-CM AS-i Safety ST
• Integrated diagnostics
• No other programming tools required
Advantage: Modular connection of fail-safe AS-i networks with system-wide programming
in SIMATIC and SINUMERIK controllers.
SIRIUS 3RT contactors, 3-pole
18.5 to 55 kW 3RT20 3/62
• Solid-state operating mechanism with fail-safe control input for safety-related applications
up to SIL 2/PL c with one contactor or SIL 3/PL e with two contactors
• 3RT20 only for motor loads
• Version with auxiliary switch can be extended either on the front or on the side
3RT203.-1S.30 3RT204.-1S.30
55 to 250 kW or 690 A 3RT10, 3/65,
• Solid-state operating mechanism with fail-safe control input for safety-related applications 3RT14 4/18
up to SIL 2/PL c with one contactor or SIL 3/PL e with two contactors
• 3RT10 for motor loads or 3RT14 for weak or non-inductive loads
• Version with removable lateral auxiliary switches or permanently mounted auxiliary switches
3RT1...-.S.36
SIRIUS 3RQ1 force-guided coupling relays, fail-safe up to SIL 3/PL e 3RQ1 5/21
11
• They are used for safe coupling up to SIL 3/PL e of control signals from and to a control system
or as an output expansion for the SIRIUS 3SK safety relays.
• Wide voltage ranges from 24 to 240 V AC/DC
• All versions with real load contacts, also in the NC circuit
• International standards and certifications including CE, UL/CSA, EAC, railway
approvals, and more
3RQ1
3RW55 Failsafe soft starters 3RW55 6/39
• 3RW55 soft starters for safety-oriented tripping
• SIL 1/PL c without additional safety evaluation unit or contactor with direct wiring of an
EMERGENCY STOP to F-DI
• SIL 3/PL e with an additional contactor and safety evaluation unit or F-PLC
• For motors up to 315 kW (at 400 V) in the inline circuit or 560 kW (at 400 V)
in the inside-delta circuit
3RW55
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Safety technology
Introduction
Type Page
SIRIUS Safety Integrated (continued)
3RM1 Failsafe motor starters 3RM1 8/90
• Motor starters for safety-oriented tripping as 3RM11 direct-on-line starters or 3RM13 reversing
starters
• Compact devices with 22.5 mm width comprising combinations of relay contacts and power
semiconductors (hybrid technology) and an electronic overload relay
• For switching three-phase motors up to 3 kW (at 400 V) and resistive loads up to max. 10 A
at AC voltages up to 500 V under normal operating conditions
3RM1 • Safety-oriented tripping according to SIL 3 or PL e by shutting down the control supply voltage
or control inputs possible without additional devices in the main circuit
• Combination with 3SK safety relay through conventional wiring or 3ZY12 device connectors
• Simple wiring and collective shutdown with device connectors in assemblies; there is no
further need for complex looping of the connecting cables
ET 200SP fail-safe motor starters 3RK1 8/100
• Fully integrated into the ET 200SP I/O system (including TIA Selection Tool and TIA Portal)
• Fully pre-wired motor starters for switching and protecting any AC loads up to 5.5 kW from
48 V AC to 500 V AC
• Less space required in the control cabinet (20 to 80%) as a result of greater functional density
(direct- on-line and reversing starters in same width)
• Longer service life and reduced heat losses thanks to hybrid technology
• Self-assembling 32 A power bus, i.e. the load voltage is only fed in once for a group of motor
starters
3RK1308-0CB00-0CP0 • High degree of flexibility when it comes to safety applications via SIMATIC F-CPU or 3SK
safety relays up to SIL 3 and PL e
• Diagnostics capability for active monitoring of the switching and protection functions
• Digital inputs can optionally be used via a 3DI/LC module
ET 200pro safety motor starters Solution 3RK1 9/11
Safety motor starters Solution PROFIsafe are often found in safety applications of the more
complex type that are interlinked. In this case, a safe control system is used with the PROFINET
or PROFIBUS bus systems with the PROFIsafe profile.
It comprises:
• PROFIsafe modules
ET 200pro Safety • Disconnecting modules
• Standard motor starters
• High Feature motor starters
SIMOCODE pro motor management and control devices 3UF7 10/5
• Flexible, modular motor management system for motors with constant speeds in the
low-voltage range
• Provides an intelligent interface between the higher-level automation system and
the motor feeder
• Multi-functional, electronic full motor protection which is independent of the automation system
SIMOCODE pro V
• Integrated control functions for the motor control
• Detailed operating, service and diagnostics data
11 • Open communication via PROFIBUS DP, PROFINET/OPC UA, Modbus RTU or
EtherNet/IP
• Safety relay function for the fail-safe disconnection of motors up to SIL 3 according to
IEC 62061/IEC 61508 or PL e according to ISO 13849-1
SIMOCODE pro S Fail-safe digital modules
• DM-F Local for direct assignment between a fail-safe hardware shutdown signal and
a motor feeder
• DM-F PROFIsafe for when a fail-safe controller (F-CPU) creates the fail-safe signal for the
disconnection
11/10 Siemens IC 10 · 2023
© Siemens 2023
Safety technology
Introduction
Type Page
SIRIUS Safety Integrated (continued)
Mechanical position switches 3SE51, 12/5
• Easy assembly thanks to modular design 3SE52
• Solid, rugged design
• Special versions are easily generated and quickly available, also in combination with
standard modules
• With a 3SE51/3SE52 position switch, it is possible to achieve SIL 1 according to
IEC 62061/IEC 61508 or PL c according to ISO 13849-1.
3SE51 • SIL 2/PL d and SIL 3/PL e can be achieved by using a second 3SE51/3SE53 position switch.
Mechanical safety switches 3SE51, 12/50
• With separate actuator, hinge switch, or separate actuator and tumbler 3SE52,
3SE53
• With a position switch, it is possible to achieve SIL 2 according to
IEC 62061/IEC 61508 or PL d according to ISO 13849-1. 3SF1 12/93
• SIL 3 according to IEC 62061/IEC 61508 or PL e according to ISO 13849-1 can
be achieved by using a second 3SE51 or 3SE52 position switch.
• Version in various sizes made of metal or plastic
• In the case of safety switches with tumbler, versions in the high degree of protection IP69
• Version with integrated ASIsafe electronics available for all enclosure designs
3SE53
Non-contact magnetically operated safety switches
Magnetically operated switch 3SE66, 12/113
• Small, compact, safe 3SE67
• Simple installation even in restricted spaces thanks to connector versions
• Two safety contacts and one signaling contact enable simple diagnostics
at the maximum safety level
3SE66, 3SE67
RFID safety switches 3SE63 12/119
• Long service life due to non-contact switching
• Only one switch required for the maximum safety level SIL 3 according to
IEC 62061/IEC 61508 or PL e according to ISO 13849-1
3SE63 • Tamper protection better than with mechanical safety switches thanks
to switches and actuators with individual coding
• LED status display including threshold indication for door displacement
• Degree of protection up to IP69 and resistance to cleaning products
• Larger switching displacement than with mechanical switches;
offers better mounting tolerance and sagging tolerance of the protective door
Also for RFID safety switches with tumbler 3SE64 12/122
• 1 150 N locking force
• Suitable for protection of persons and/or processes (quiescent current or open-circuit
principle)
• 25 N/50 N latching force adjustment by rotating the star handle 180°
• Guard locking possible from three sides (three directions of actuation) by means of
3SE64
a star handle
• Assisted or escape release of guard locking 11
• Actuator can be used for door stop (using damper)
Command devices 3SU1 13/6
SIRIUS ACT pushbuttons and indicator lights
• Using a special F adapter, EMERGENCY STOP control devices according to ISO 13850
can be directly connected through the standard AS-Interface or PROFIsafe with safety-related
communication. This F adapter/fail-safe interface module is snapped from the rear onto the
EMERGENCY STOP control device, enabling the achievement of SIL 3 according to
IEC 62061 or PL e according to ISO 13849-1.
3SU14
• Thanks to SIRIUS ACT with PROFINET, commanding and signaling devices can be connected
directly via PROFINET to the controller and HMI devices – including with safety functions.
Engineering and commissioning are simplified by the TIA Portal.
• EMERGENCY STOP devices for disconnecting plants in an emergency situation
• With positive latching function according to ISO 13850 and SIL 3 according to IEC 62061 or
PL e according to ISO 13849-1
• Various mushroom diameters (also illuminated), with lock, in plastic/metal, as individual
3SU1 with PROFINET or complete units, and in combination with 3SU1 enclosure or two-hand operation console.
The 3SU1 enclosures are also optionally available with ASIsafe interface
3SU1
Siemens IC 10 · 2023 11/11
© Siemens 2023
Safety technology
Introduction
Type Page
SIRIUS Safety Integrated (continued)
Electronically configurable 8WD46 signaling columns 8WD46 13/163
• Compact and electronically modular design for flexible and versatile use
• Flexible segment configuration using individually definable colors (multicolor LED),
intensity and function (flashing, single-flash, continuous or rotating light element)
• Adjustable tones and volume
• Conventional signaling columns with configuration of the signaling columns via USB interface,
with fast linking to the application through 8-pole M12 plug
• Signaling columns for IO-Link configured via IO-Link interface (IODD) and fast linking to the
application through 4-pole M12 plug.
8WD46
Cable-operated switches 3SE7 13/156
• Control functions and EMERGENCY STOP always within reach
• More safety over long distances of up to 2 x 100 m length
• Easy release
• Fail-safe applications with SIRIUS Safety Integrated
• Status display directly on the switch
• Signal display for long distances in innovative LED technology with visibility over 50 m
• Cable-operated switches with latching according to ISO 13850 (EN 418) and full
3SE7 EMERGENCY STOP function with positive-opening contacts
• Quick and safe mounting using uniform mounting accessories
• Versions with 1 NO/2 NC with yellow lid
Safety foot switches 3SE2924- 13/161
• Are used wherever manual operation is not possible 3AA20
• With hood, IP65 metal enclosure
• With interlock function according to ISO 13850, manual release by pushbutton switch
• With 2 NO + 2 NC, NO contacts close by momentary contact, positive-opening NC contacts
3SE2924-3AA20 with independent latching (safety function)
Connection methods 3SK safety relays: Spring-loaded terminals (push-in)
with TOP wiring
The 3SK safety relays are available with screw or spring-loaded
terminals (push-in). Push-in terminals are a form of spring-loaded terminals allowing
fast wiring without tools for rigid conductors or conductors
The 3TK2810 safety relays are available with screw or spring- equipped with end sleeves.
loaded terminals.
As with other spring-type terminals, a screwdriver
Screw terminals (with 3.0 x 0.5 mm blade) is required to disconnect the
conductor. The same tool can also be used to wire finely
stranded or stranded conductors with no end finishing.
Spring-loaded terminals, spring-loaded terminals
(push-in) The advantages of the push-in terminals are found, as with all
spring-loaded terminals, in speed of assembly and disassembly
The terminals are indicated in the corresponding tables and vibration-proof connection. There is no need for the
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