AS-Interface

Introduction

Technical specifications

■Technical specifications

Standard

EN 50295

Topology

Bus, star or tree topology

 

(like electrical installation)

Transmission medium

Unshielded two-wire cable

 

(2 x 1.5 mm2) for data and

 

auxiliary power

Connection method

Contacting of the AS-Interface

 

cable using the insulation

 

displacement method

Permissible cable length max.

100 m w/o repeater/extender

 

500 m range with repeater/

 

extender (parallel connection

 

of repeaters)

Cycle time max.

5 ms with full expansion,

 

10 ms using A/B method

Number of stations max.

31 slaves accord. to Complete

 

AS-Interface Spec. V2.0 ;

 

62 slaves accord. to Complete

 

AS-Interface Spec. V2.1

 

(A/B method),

 

integrated analog value

 

transmission

 

 

■More information

Please note the operating framework conditions in each case for the specified SIMATIC NET products (Order No. 6GK..., 6XV1...), which you will find on the Internet page listed below.

Additional information is available in the Internet under:

http://www.siemens.de/simatic-net/ik-info

Number of binary

Max. 124 I/124 O

 

 

sensors/actuators

modules according to spec. V2.0;

 

 

 

Max. 248 I/186 O

 

 

 

modules according to spec. V2.1

 

 

Access procedure

Cyclical master-slave polling

 

6

 

method, cyclical acceptance

 

 

by host (PLC, PC)

 

 

Error correction

Identification and repetition of

 

 

 

faulty messages

 

 

 

 

 

 

 

 

Siemens IK PI · 2004

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Siemens EN 50295 manual Technical specifications, More information
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EN 50295 specifications

Siemens EN 50295 is emerging as a pivotal standard in the domain of electrical safety and design, particularly relevant for the electrical industry and equipment manufacturing sectors. Primarily, this European Norm is geared towards ensuring the safety of electrical systems used in dry environments, which is essential for various industrial applications.

One of the main features of the EN 50295 standard is its comprehensive safety requirements which are aimed at mitigating the risks associated with electrical systems. This includes aspects like insulation resistance, protective earthing, and the management of electrical faults. By setting a benchmark for safety, Siemens EN 50295 assists manufacturers in maintaining compliance with national and international regulations, thus protecting both users and equipment.

The standard emphasizes the importance of safety measures in the design process. It outlines criteria for components, assembly methods, and system installation, ensuring that electrical equipment operates stably and gets rid of risks related to electrical failures. This involves rigorous testing of materials and components, which enhances their reliability and longevity while providing efficient overall operation.

Siemens EN 50295 also incorporates advancements in technology, acknowledging the significance of intellectual innovation in the industry. It encourages the integration of smart technologies and automation features into electrical systems, paving the way for enhanced operational efficiencies. Such technologies not only improve the performance of electric systems but also contribute to energy conservation, reducing the overall environmental footprint.

Another characteristic of the EN 50295 standard is its adaptability. The framework it provides can be customized depending on specific industry needs, making it versatile across various sectors such as manufacturing, construction, and transportation. This adaptability ensures that businesses can maintain high safety standards while still allowing room for innovation and modern practices.

In summary, Siemens EN 50295 presents a well-rounded approach to enhancing safety, reliability, and sustainability in electrical systems. Its features and characteristics are set to guide industries in making informed decisions regarding electrical configuration, ultimately fostering a safer and more efficient working environment. The incorporation of emerging technologies ensures that the standard remains relevant in a fast-evolving technological landscape, proving to be an invaluable asset for manufacturers and service providers alike.
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