1. The simple system solution
AS-Interface
The simple system solution
We network the World
Introduction technology

2. Technology AS-Interface Performance characteristics Wiring
The system general basics
Network topology
AS-Interface communication
Diagnosis
Analog data transfer
AS-International Association

3. AS-Interface Milestones First Systems in USE First products
Safety at Work
1990
1994
1998
2001
AS-Interface
The Idea
New functionality
Analogue data transfer, 62 Slaves, Diagnosis
AS-International Association

4. AS-Interface AS-Interface worldwide AS-Interface AS-Interface Belgium
China
France
Germany
Great Britain
Italy
AS-Interface
Japan
Netherlands
Sweden
Switzerland
USA
2003
Worldwide more than
270 members
1991
11 members founding
AS-International Association

5. AS-Interface Performance characteristics Response time Message length
Message live time
Message rate
Device diversity
AS-International Association

6. AS-Interface Performance characteristics >s 1/h MByte 1 Years ms
message length
message live time
response time
>s
1/h
MByte 1
Years
Control level
Field / device level
Actuator-/Sensor level ms
100/s
Bit
>100 ms
message length
device diversity
AS-International Association

7. AS-Interface Wiring in the Actuator-/ Sensor level With AS-Interface
Master
PLC
I/O
PLC
AS-Interface
Master
PLC
With AS-Interface
Safety at Work
AS-International Association

8. AS-Interface The system Data and energy on one 2-wire cable
Supply up to 8A
Inductive Sensors
Optical Sensors
Capacitive Sensors
Magnetic valves
.....
AS-International Association

9. Penetration connectors
AS-Interface
The system
Connection technology
Penetration technology
High protection class available (IP 67, IP 68, IP 69K)
Penetration connectors
Electro mechanic
Reverse polarity protection
AS-International Association

10. AS-Interface The System Decentralized Elements Modular mounting
Master Slave system
Standard- module
Sensor
Sensor
AS-Interface
Master
Control unit
Valve
AS-International Association

11. AS-Interface Network topology Line Master Master Star Master Tree
Slave
Line
Master
Control unit
Master
Control unit
Slave
Star
Master
Control unit
Slave
Tree
AS-International Association

12. Standard- module Slave 3
AS-Interface
AS-Interface communication
Cyclical polling
Profiles
Manufacturer independent exchangeability
Simple access to the control unit
Signal lamp Slave 2
Sensor Slave 1
AS-Interface
Master
Control unit 1.
Standard- module Slave 3 2. 3.
AS-International Association

13. AS-Interface AS-Interface communication Data decoupling Receiver
Sender
Power supply
Data decoupling U I
AS-International Association

14. AS-Interface AS-Interface communication Master call Slave response
Start bit, control bit, address 5 bit, Information 5 bit, Parity Bit, End bit
Slave response
Start bit, Information 4 bit, Parity bit, End bit
AS-International Association

15. AS-Interface AS-Interface communication High error detection
Protocol length
a priori knowledge
parity
Telegram repetition in 150 µs within the cycle time of 5 ms
Use of AS-Interface in EMV contaminated surrounding possible (e.g. welding machinery, frequency converter)
AS-International Association

16. AS-Interface Diagnosis Detailed diagnostics
Logging of configuration and peripheral faults
Short circuit, over load, missing auxiliary power, communication error
Accurate error localisation and simple maintenance
AS-International Association

17. Analogue data transfer
AS-Interface
Analogue data transfer
Analogue data transfer with AS-Interface
Direct access
Automatic detection of analogue participants
No configuration software necessary
AS-International Association

18. AS-Interface Simple wiring Simple Planning Simple mounting
Data, Energy, Safety
Simple Planning
1 Cable, 62 Components
Simple mounting
Penetration technology
Enhanced diagnostics
AS-International Association

19. More information : www.as-interface.net