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Industrial Single-Pair Ethernet (SPE) is the next evolution of Ethernet connectivity in Automation applications. SPE is the transmission of Ethernet over one-pair of twisted wires, rather than two or four. Also, it is utilizing Power over Data Line (PoDL) technology to not only bring communication to the device, but also the voltage and amperage needed to power the device itself. This is hugely beneficial for three reasons:

• •  Space and number of connections are reduced on the device.
• •  The need for an external power supply is eliminated.
• •  Devices on the plant floor that have traditionally communicated over Fieldbus protocols can now join the same IP-based network that the rest of the devices on the network are using. This enables peer-to-peer communication, open-loop feedback of all devices, and smart functionality all the way from the main control room down to the individual device.

Benefits of Single-Pair Ethernet/T1 Industrial

• •  Unified, Standardized Communication Protocol for Ease of IT Integration.
• •  Lightweight, Compact and Economic Ethernet for Every Device on an Industrial Network.
• •  High Speed, Bandwidth and Security for Real-time Applications.
• •  Potential Simplification of Design, Purchasing, and Installation.
• •  Compatible with Current and Future Network Infrastructures.

Applications

• •  Automotive
• •  Transportation
• •  Industrial Automation and Machinery
• •  Robotics

VIDEO: How Single Pair Ethernet (SPE) Enables the IIoT

SPE Components – Block Diagram

Needed Semiconductors for Industrial Applications

Chip Manufacturer	PoDL	10BASE-T1L	10BASE-T1S	100BASE-T1 (15m)	100BASE-T1 (40m)	100BASE-T1 (15m)	100BASE-T1 (40m)	2,5GBASE-T1	5GBASE-T1	10GBASE-T1
NXP				X		X	X
Marvell				X	X	X	X
Broadcom				X		X	X
Texas Instruments	X	X		X	X	X	*
Realtek				X
Analog Devices	X	X
Microchip	*		X	X		X	*

*Coming soon