This paper discusses how Bluetooth may be used to connect these devices with each other. It also describes some specific requirements on the Bluetooth technology within this area. In this paper I have divided the industrial use of Bluetooth into four different categories:
1. Serial cable replacement. Replace the serial cable of today with a wireless
2. Combine Bluetooth and Internet technologies. Make use of the extra CPU power
added by the Bluetooth implementation to give an added value to the device for
example a built-in WEB-based user interface.
3. Industrial Access Points. Access Points are used to connect several Bluetooth
devices to the traditional wired network. The wired network might be an IP-based
network (for example Ethernet) or an industrial fieldbus (for example Controlnet,
Profibus or others).
4. Wireless sensors and actuators. Connect the devices that are closest to the physical
process (sensors, actuators and simple analog/digital IO-devices) to supervisory
systems using Bluetooth.
The four categories interrelate with each other to create a full system combining wireless and
wired networks. The different use cases will be described using real-life configuration
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