AS-i (Actuator Sensor-interface)

AS-i (Actuator Sensor-interface)

1. Benefits

   • Save hardware by reducing I/O cards, cabinets and wiring
   • Free choice of network topology
   • Easy commissioning, and opportunity to expand the system
   • Transmission in real-time

2. Drawbacks

   • cost of one-time tooling
   • Non-recurring engineering

3. Application areas

   • conveyor control, packaging machines
   • process control valves
   • bottling plants, electrical distribution systems

4. Operation principle

   • the contact with the internal conductors is done by conductive blades that penetrate in the plastic insulation to reach the internal copper wires.

5. Message content

6. Communication principle

   • The underlying communication procedure is a Master-Slave method, by which the master initiates data exchange with a slave and requires the slave to respond within its defined maximum time, making AS-Interface a deterministic networking solution.

7. Transmission speed: 167 kbit/s

8. Network components

   • Scanner/Gateway
   • Power supply and repeaters
   • Modules
   • Network cable

9. Cable length <100m, with 2 repeaters <300m

10. Topologies

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