SIRIUS 3SK1 Safety Relays . Обзор. Подробное описание, цены на оборудование Siemens. Большой выбор, низкие цены на SIRIUS 3SK1 Safety Relays

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SIRIUS 3SK1 safety relays are the key elements of a consistent, cost-effective safety chain. Whether you need EMERGENCY-STOP disconnection, protective door monitoring, light arrays, laser scanners or the protection of presses or punches – with SIRIUS safety relays 22.5 mm wide every safety application can be implemented to optimum effect in terms of engineering and price.

The following safety-related functions are available:

Monitoring the safety functions of sensors
Monitoring the sensor leads
Monitoring correct functioning of safety relays
Monitoring the actuators in the shutdown circuit
Safety-related disconnection when dangers arise

SIRIUS 3SK1 safety relays are approved for applications up to SIL 3 (IEC 61508/IEC 62061) or PL e (EN ISO 13849-1).

SIRIUS 3SK1 safety relays stand out due to their flexibility for both parameterization and system designs with several evaluation units. Optimized solutions when selecting components are facilitated by a clearly structured component range:

Standard basic units
Advanced basic units
Output expansions
Input expansions
Accessories

The 3SK1 Standard basic units are characterized by the following features:

Compact design
Simple operation
Relay and semiconductor outputs
Economical solution

However, the 3SK1 Advanced basic units also offer the following:

Universal application opportunities thanks to multifunctionality
Time-delayed outputs
Expansion of inputs and outputs

In the case of Advanced basic units, the 3ZY1 device connector allows safety functions involving several sensors and actuators to be constructed very quickly.

System configuration example

The 3SK1 Standard and Advanced series are a high-quality replacement for the 3TK28 safety relays. In their narrower design, and equipped with greater functionality, they can replace every 3TK28 device. The only exceptions are devices with special functions, such as 3TK2826, 3TK2845 and the 3TK2810 devices. See below for a conversion table from 3TK28 to 3SK1.

Note:

For the conversion table, e.g. from 3TK28 to 3SK1, see below or the conversion tool http://www.siemens.com/sirius/conversion-tool.

Functional overview of the 3SK1 series

Type	Standard basic units		Advanced basic units
	Relay enabling circuits	Solid-state enabling circuits	Relay enabling circuits	Solid-state enabling circuits
Sensors
Mechanical	?	?	?	?
Single-ended	?¹⁾	?	?	?
Antivalent	--	--	?	?
Expandable	--	? by means of cascading	?	?
Parameter
Start (auto/monitored)	?	?	?	?
Sensor connection, 2 x 1-channel/ 1 x 2-channel	? Using wiring	?	?	?
Crossover monitoring	? Using wiring	?	?	?
Start test ON/OFF	--	?	?	?
Monitoring of two-hand operator panels acc. to EN 574	--	--	?	?
Enabling circuits
Instantaneous	?	?	?	?
Time-delayed	--	--	?	?
Expandable with relay enabling circuits	? Using wiring	? Using wiring	?	?
Device connectors	--	--	?	?
Rated control supply voltage
24 V DC	?²⁾	?	?	?
115 … 240 V AC/DC	?	--	?³⁾	?³⁾

? Available

-- Not available

1) 24 V basic units only.

2) 24 V AC/DC.

3) Possible using 3SK1230 power supply via device connector.

3SK112 and 3SK1112 safety relays with DIP switch

The 3SK112 and 3SK1112 safety relays are configurable safety relays. They are used as evaluation units for typical safety chains (detect, evaluate, respond). A number of functions can be set using the DIP switches on the front. Thus the 3SK112 and 3SK1112 can be used universally.

DIP switch No.	OFF	ON
1	Autostart sensor input	Monitored start sensor input
2	without crossover monitoring	With crossover monitoring
3	2 x single-channel sensor connection	1 x 2-channel sensor connection
4	with start test	without start test

Innovative enclosure concept for the SIRIUS 3SK1 safety relays

Can be expanded by adding the 3RM1 motor starter

With previous safety relay and motor starter designs an enormous amount of wiring was required to monitor the motor starters in safety applications.

Traditional system design

With the integration of the SIRIUS 3RM1 motor starter into the SIRIUS 3SK1 safety relay system family, this wiring has been minimized for the first time.

Motors up to 3 kW can easily be integrated into the safety relay system using SIRIUS 3ZY1 device connectors, without having to run a cable between the evaluation unit and the motor starter.

3SK1 and 3RM1 system design

Conversion table

The table below lists the existing 3TK28 article numbers with the corresponding 3SK1 article numbers.

Article number 3TK28 basic units	Article number 3SK1 Standard basic units	Article number 3SK1 Advanced basic units
3TK2820
3TK2820-1AJ20	3SK1111-1AW20	3SK1121-1AB40 + 3SK1230-1AW20
3TK2820-1AL20	3SK1111-1AW20	3SK1121-1AB40 + 3SK1230-1AW20
3TK2820-1CB30	3SK1111-1AB30	3SK1121-1AB40
3TK2820-2AJ20	3SK1111-2AW20	3SK1121-2AB40 + 3SK1230-2AW20
3TK2820-2AL20	3SK1111-2AW20	3SK1121-2AB40 + 3SK1230-2AW20
3TK2820-2CB30	3SK1111-2AB30	3SK1121-2AB40
3TK2821
3TK2821-1CB30	3SK1111-1AB30	3SK1121-1AB40
3TK2821-2CB30	3SK1111-2AB30	3SK1121-2AB40
3TK2822
3TK2822-1CB30	3SK1111-1AB30	3SK1121-1AB40
3TK2822-2CB30	3SK1111-2AB30	3SK1121-2AB40
3TK2823
3TK2823-1CB30	3SK1111-1AB30	3SK1121-1AB40
3TK2823-2CB30	3SK1111-2AB30	3SK1121-2AB40
3TK2824
3TK2824-1AJ20	3SK1111-1AW20	3SK1121-1AB40 + 3SK1230-1AW20
3TK2824-1AL20	3SK1111-1AW20	3SK1121-1AB40 + 3SK1230-1AW20
3TK2824-1BB40	3SK1111-1AB30	3SK1121-1AB40
3TK2824-1CB30	3SK1111-1AB30	3SK1121-1AB40
3TK2824-2AJ20	3SK1111-2AW20	3SK1121-2AB40 + 3SK1230-2AW20
3TK2824-2AL20	3SK1111-2AW20	3SK1121-2AB40 + 3SK1230-2AW20
3TK2824-2BB40	3SK1111-2AB30	3SK1121-2AB40
3TK2824-2CB30	3SK1111-2AB30	3SK1121-2AB40
3TK2825
3TK2825-1AB20	3SK1111-1AW20	3SK1121-1AB40 + 3SK1230-1AW20
3TK2825-1AJ20	3SK1111-1AW20	3SK1121-1AB40 + 3SK1230-1AW20
3TK2825-1AL20	3SK1111-1AW20	3SK1121-1AB40 + 3SK1230-1AW20
3TK2825-1BB40	3SK1111-1AB30	3SK1121-1AB40
3TK2825-2AB20	3SK1111-2AW20	3SK1121-2AB40 + 3SK1230-2AW20
3TK2825-2AJ20	3SK1111-2AW20	3SK1121-2AB40 + 3SK1230-2AW20
3TK2825-2AL20	3SK1111-2AW20	3SK1121-2AB40 + 3SK1230-2AW20
3TK2825-2BB40	3SK1111-2AB30	3SK1121-2AB40
3TK2827
3TK2827-1AB20	--	--
3TK2827-1AB21	--	--
3TK2827-1AJ20	--	3SK1121-1CB42 + 3SK1230-1AW20
3TK2827-1AJ21	--	3SK1121-1CB41 + 3SK1230-1AW20
3TK2827-1AL20	--	3SK1121-1CB42 + 3SK1230-1AW20
3TK2827-1AL21	--	3SK1121-1CB41 + 3SK1230-1AW20
3TK2827-1BB40	--	3SK1121-1CB42
3TK2827-1BB41	--	3SK1121-1CB41
3TK2827-2AB20	--	--
3TK2827-2AB21	--	--
3TK2827-2AJ20	--	3SK1121-2CB42 + 3SK1230-2AW20
3TK2827-2AJ21	--	3SK1121-2CB41 + 3SK1230-2AW20
3TK2827-2AL20	--	3SK1121-2CB42 + 3SK1230-2AW20
3TK2827-2AL21	--	3SK1121-2CB41 + 3SK1230-2AW20
3TK2827-2BB40	--	3SK1121-2CB42
3TK2827-2BB41	--	3SK1121-2CB41
3TK2828
3TK2828-1AB20	--	--
3TK2828-1AB21	--	--
3TK2828-1AJ20	--	3SK1121-1CB42 + 3SK1230-1AW20
3TK2828-1AJ21	--	3SK1121-1CB41 + 3SK1230-1AW20
3TK2828-1AL20	--	3SK1121-1CB42 + 3SK1230-1AW20
3TK2828-1AL21	--	3SK1121-1CB41 + 3SK1230-1AW20
3TK2828-1BB40	--	3SK1121-1CB42
3TK2828-1BB41	--	3SK1121-1CB41
3TK2828-2AB20	--	--
3TK2828-2AB21	--	--
3TK2828-2AJ20	--	3SK1121-2CB42 + 3SK1230-2AW20
3TK2828-2AJ21	--	3SK1121-2CB41 + 3SK1230-2AW20
3TK2828-2AL20	--	3SK1121-2CB42 + 3SK1230-2AW20
3TK2828-2AL21	--	3SK1121-2CB41 + 3SK1230-2AW20
3TK2828-2BB40	--	3SK1121-2CB42
3TK2830
3TK2830-1AJ20	3SK1211-1BW20	3SK1211-1BB40
3TK2830-1AL20	3SK1211-1BW20	3SK1211-1BB40
3TK2830-1CB30	3SK1211-1BB40	3SK1211-1BB40
3TK2830-2AJ20	3SK1211-2BW20	3SK1211-2BB40
3TK2830-2AL20	3SK1211-2BW20	3SK1211-2BB40
3TK2830-2CB30	3SK1211-2BB40	3SK1211-2BB40
3TK2834
3TK2834-1AB20	--	--
3TK2834-1AJ20	--	3SK1121-1AB40 + 3SK1230-1AW20
3TK2834-1AL20	--	3SK1121-1AB40 + 3SK1230-1AW20
3TK2834-1BB40	--	3SK1121-1AB40
3TK2834-2AB20	--	--
3TK2834-2AJ20	--	3SK1121-2AB40 + 3SK1230-2AW20
3TK2834-2AL20	--	3SK1121-2AB40 + 3SK1230-2AW20
3TK2834-2BB40	--	3SK1121-2AB40
3TK2840
3TK2840-1BB40	3SK1112-1BB40	3SK1122-1AB40
3TK2840-2BB40	3SK1112-2BB40	3SK1122-2AB40
3TK2841
3TK2841-1BB40	3SK1112-1BB40	3SK1122-1AB40
3TK2841-2BB40	3SK1112-2BB40	3SK1122-2AB40
3TK2842
3TK2842-1BB41	--	3SK1122-1CB41
3TK2842-1BB42	--	3SK1122-1CB42
3TK2842-1BB44	--	3SK1122-1CB44
3TK2842-2BB41	--	3SK1122-2CB41
3TK2842-2BB42	--	3SK1122-2CB42
3TK2842-2BB44	--	3SK1122-2CB44
3TK2850
3TK2850-1AJ20	3SK1111-1AW20 + 3SK1213-1AJ20	3SK1120-1AB40 + 3SK1213-1AB40
3TK2850-1AL20	3SK1111-1AW20 + 3SK1213-1AL20	3SK1120-1AB40 + 3SK1213-1AB40
3TK2850-1BB40	3SK1111-1AB30 + 3SK1213-1AB40	3SK1120-1AB40 + 3SK1213-1AB40
3TK2850-2AJ20	3SK1111-2AW20 + 3SK1213-2AJ20	3SK1120-2AB40 + 3SK1213-2AB40
3TK2850-2AL20	3SK1111-2AW20 + 3SK1213-2AL20	3SK1120-2AB40 + 3SK1213-2AB40
3TK2850-2BB40	3SK1111-2AB30 + 3SK1213-2AB40	3SK1120-2AB40 + 3SK1213-2AB40
3TK2851
3TK2851-1AJ20	3SK1111-1AW20 + 3SK1213-1AJ20	3SK1120-1AB40 + 3SK1213-1AB40
3TK2851-1AL20	3SK1111-1AW20 + 3SK1213-1AL20	3SK1120-1AB40 + 3SK1213-1AB40
3TK2851-1BB40	3SK1111-1AB30 + 3SK1213-1AB40	3SK1120-1AB40 + 3SK1213-1AB40
3TK28 51-2AJ20	3SK1111-2AW20 + 3SK1213-2AJ20	3SK1120-2AB40 + 3SK1213-2AB40
3TK2851-2AL20	3SK1111-2AW20 + 3SK1213-2AL20	3SK1120-2AB40 + 3SK1213-2AB40
3TK2851-2BB40	3SK1111-2AB30 + 3SK1213-2AB40	3SK1120-2AB40 + 3SK1213-2AB40
3TK2852
3TK2852-1AL20	3SK1111-1AW20 + 3SK1213-1AL20	3SK1120-1AB40 + 3SK1213-1AB40
3TK2852-1BB40	3SK1111-1AB30 + 3SK1213-1AB40	3SK1120-1AB40 + 3SK1213-1AB40
3TK2852-2AL20	3SK1111-2AW20 + 3SK1213-2AL20	3SK1120-2AB40 + 3SK1213-2AB40
3TK2852-2BB40	3SK1111-2AB30 + 3SK1213-2AB40	3SK1120-2AB40 + 3SK1213-2AB40
3TK2853
3TK2853-1BB40	3SK1111-1AB30 + 3SK1213-1AB40	3SK1120-1AB40 + 3SK1213-1AB40
3TK2853-2BB40	3SK1111-2AB30 + 3SK1213-2AB40	3SK1120-2AB40 + 3SK1213-2AB40
3TK2856
3TK2856-1BB40	3SK1213-1AB40	3SK1213-1AB40
3TK2856-2BB40	3SK1213-2AB40	3SK1213-2AB40
3TK2857
3TK2857-1BB41	--	3SK1213-1AB40 (delay as for basic unit)
3TK2857-1BB42	--	3SK1213-1AB40 (delay as for basic unit)
3TK2857-1BB44	--	3SK1213-1AB40 (delay as for basic unit)
3TK2857-2BB41	--	3SK1213-2AB40 (delay as for basic unit)
3TK2857-2BB42	--	3SK1213-2AB40 (delay as for basic unit)
3TK2857-2BB44	--	3SK1213-2AB40 (delay as for basic unit)

Note:

Conversion tool, e.g. from 3TK28 to 3SK1 see www.siemens.com/sirius/conversion-tool.

Article No. scheme

Digit of the article No.	1. - 3. ???	4. ?	5. ?	6. ?	7. ?	–	8. ?	9. A	10. ?	11. ?	12. ?
Safety relays	3SK
Generation		?
Device version			?
Device series				?
Type of outputs					?
Connection type							?
Rated control supply voltage									?
Type of rated control supply voltage										?
Time delay											?
Example	3SK	1	1	2	1	–	1	A	B	4	0

Note:

The article No. scheme is presented here merely for information purposes and for better understanding of the logic behind the article numbers.

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