Introduction; As-International - Omron CQM1-ARM21 Operation Manual

Introduction

1-1 Introduction

1-1-1 AS-International

Positioning
Application areas
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This chapter will provide a brief introduction into AS-Interface
For more detailed information, refer to:
AS-International Association
Auf dem Broich 4a,
D 51519 Odenthal
Germany
Tel: +49 2174 40756
Fax: +49 2174 41571
A consortium of European companies started work on the definition of a
simple, low-cost industrial bus system in 1990. After successfully completing
this work in 1993, the consortium was dissolved.
The technology of AS-Interface is now owned and administered by AS-
International, who have responsibility for marketing on behalf of the members,
and evolving the technology as directed by an executive of vendor
companies.
AS-Interface technology has been submitted for approval under the proposed
IEC 947 standard.
User Groups with currently some 80 members are established in eight
European countries, North America and Japan. Over 200 products are now
available from 30+ vendors.
OMRON is a full member of the AS-International Association.
AS-Interface is primarily aimed at the transfer of binary in- and output data in
industrial applications. It can be seen as a direct replacement for traditional
cable trees. The main advantages of AS-Interface over traditional wiring
methods are:
•
Power supply and communication are combined in one cable.
•
Reduction of cabling and installation work.
•
Improved troubleshooting and maintenance.
Sensors and actuators with a built-in AS-Interface slave chip can be
connected directly to the AS-Interface line. Other, conventional devices can
be connected via AS-Interface slave units with general purpose in- and
outputs.
AS-Interface should be seen as complementary to higher level fieldbuses,
which provide sophisticated performance at higher cost. Via gateways, entire
AS-Interface systems can be linked transparently as slaves to most available
higher level open fieldbus systems, such as CompoBus/D (DeviceNet) or
PROFIBUS-DP.
AS-Interface is widely used in e.g. machine control, transport, packaging, and
warehouse applications.
Section 1-1
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