ABB´s wireless communication concept, developed specifically for the strict factory automation timing requirements.
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- The protocol on the physical layer IEEE 802.15.1 distinguishes ABB´s communication from consumer standards like WLAN or Bluetooth by its robustness in industrial environment like welding, drives and motors.
- The auto-diagnostic and deterministic protocol uses industrial type frequency hopping, complemented by antenna switching and full duplex operation with automatic fast repeats.
- In total this provides the needed robustness and coexistence also to other ISM-based systems and is extremely tolerant to shading and reflections.
- Timing is constant whether one or 624 sensors/actuators are in use and triggered.