September 2017
Intermediate to advanced
360 pages
9h 43m
English
Content preview from Architecting the Industrial Internet
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Edge connectivity
The following figure explains the different communication technologies that can be used for the edge tier. The X axis is the distance over which the devices need to connect with each other. It could be the sensor or a collection of sensors connecting to the gateway device, such as several temperature sensors in the factory environment connecting to the gateway device. The possible options here are as follows:
- Wired: Use of RS-232, commonly called the serial port, is one option to connect the sensor pack to the gateway device via a wired connection. This is good for distances in the range of 15 m or 50 ft. To extend this range up to 300 m or 1,000 ft, low-capacitance cables could be used in some cases. RS-485 can be used ...
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