AS-Interface Slaves

AS-Interface motor starters and IP65/67 load feeders

AS-Interface compact starters IP65 (400 V AC)

Design (continued)

The load itself and any other compact starters are supplied us-

Addressing

ing the same connection technique. All the supply and data ca-

The addressing of the AS-Interface compact starter can still be

bles can thus be laid through the system like a bus. Whereas the

used even if it is fully wired, because the module is disconnected

controlgear is switched via the outputs by the 24 V auxiliary

from the AS-Interface network as soon as the addressing con-

power supply, the inputs are supplied by the AS-Interface data

nector is inserted.

cable. This principle of separate auxiliary power supplies facili-

 

tates selective emergency stop concepts.

 

Function

Display characteristics

Under normal operation, the LEDs on the compact starters indi- cate the following device states:

LED

States

 

 

 

 

Status description

AS-Interface

On

On

Flash- Flash-

Off

 

 

 

 

ing

ing

 

 

AUX PWR

 

 

 

 

On

Off

STATE 1)

 

 

 

 

 

On

 

 

 

 

 

 

Control signal applied

 

 

 

 

 

 

No auxiliary power

 

 

 

 

 

 

Auxiliary power on

6

00322

 

 

 

 

No power for slave electronics

 

 

 

 

Station address 0

_

 

 

 

 

AS-Interface communication absent

NSA0

 

 

 

 

 

 

 

 

 

AS-Interface communication o.k.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED

 

States

 

 

 

 

Status description

 

 

 

READY

 

On

 

 

 

 

 

 

 

 

 

 

RUN

 

 

On

 

 

 

Off

On

 

 

 

 

FAULT

 

 

 

On

 

 

 

 

 

 

 

 

OVERLOAD

 

 

 

Nor-

Fast

Slow On

On

 

 

 

 

 

 

mal

flash-

flash-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

flash-

ing

ing

 

 

 

 

 

 

 

 

 

ing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Main circuit on

 

 

 

 

 

 

 

 

 

 

 

 

– Rotary coding switch in position

 

 

 

 

 

 

 

 

 

 

 

 

Tripping REMOTE: Continued ope-

 

 

 

 

 

 

 

 

 

 

 

 

ration when programmed in the user

 

 

 

 

 

 

 

 

 

 

 

 

program

 

 

 

 

 

 

 

 

 

 

 

 

Main circuit off

 

 

 

 

 

 

 

 

 

 

 

 

– Rotary coding switch in position

 

 

 

 

 

 

 

 

 

 

 

 

Tripping LOCAL: Direct shut-off

 

 

 

 

 

 

 

 

 

 

 

 

– Rotary coding switch in position

 

 

 

 

 

 

 

 

 

 

 

 

Tripping REMOTE: Remote shut-off

 

 

 

 

 

 

 

 

 

 

 

 

when programmed in the user

 

 

 

 

 

 

 

 

 

 

 

 

program

 

 

 

 

 

 

 

 

 

 

 

 

Main circuit off

 

 

 

 

 

 

 

 

 

 

 

 

(test finished)

 

 

 

 

 

 

 

 

 

 

 

 

Main circuit off

 

 

 

 

 

 

 

 

 

 

 

 

(test running)

 

 

 

 

 

 

 

 

 

 

 

 

Main circuit on

 

 

 

 

 

 

 

 

 

 

 

 

Main circuit off, e.g. through

 

 

 

 

 

 

 

 

 

 

 

 

– Failure of two phases

 

 

 

 

 

 

 

 

 

 

 

 

– Drawn motor connector

 

 

 

 

 

 

 

 

 

 

 

 

– Supply voltage drop

 

 

 

 

 

 

 

 

 

 

 

 

(< 18 V)

 

 

 

 

 

 

 

 

 

 

 

 

– Simultaneous control of clockwise

 

 

 

 

00323

 

 

 

 

 

 

and anti-clockwise rotation

 

 

 

 

 

 

 

 

 

 

Main circuit on with conduction

 

 

 

 

_

 

 

 

 

 

 

> 20% n

 

 

 

 

NSA0

 

 

 

 

 

 

 

 

 

 

 

 

Unit ready to operate

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Siemens IK PI · 2004

Page 106
Image 106
Siemens EN 50295 manual 106, Display characteristics

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.