Single Pair Ethernet

The network infrastructure for the Industrial IOT

Hardware for the Ethernet of the future

The increasing level of digitalization of industrial plants calls for the further development of existing Ethernet cabling. For sensors and local, modular control units in particular, conventional cabling concepts are no longer able to meet the new demands with regard to space requirements and installation effort.

Weidmüller and partners from the field of electrical connectivity all rely on the innovative Single Pair Ethernet technology when developing new industry standards.

Next Generation Ethernet

Miniaturization

Smallest compact design for implementing IIoT devices

Industrial suitability

High robustness for use in industrial environments

Simplicity

Easy to connect for safe, fast installation

Future-proof

Future-proof design through international standards

Turning four into one: The advantages of SPE explained in simple terms

Instead of two or four pairs of wires, Single Pair Ethernet cabling requires just one pair of wires for the transmission of data and power. The simple design and the associated reduction in weight, space requirements and installation costs offer many advantages in an industrial environment. Single Pair Ethernet enables the end-to-end, economical connection of a large number of terminal devices in the Industrial IOT, from sensors in the field to the cloud.

Would you like to find out more about SPE?

What are the benefits of SPE, where does the technology come from and how is it used? We answer these and other questions in short clips.

SPE System Alliance - On the path to a uniform market standard

The SPE System Alliance is an association of leading technology companies from different industries and fields of application who bundle and exchange their expertise regarding Single Pair Ethernet. All partners pursue the common goal of promoting the SPE technology for the IIoT and every other field of application. Details and opportunities to contact the SPE System Alliance can be found on the website.

SPE System Alliance

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Product range

IP20 plug field attachable

IP20 plug field attachable Product innovation

Plug-in connectors for simple attachment in the field

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IP20 sockets

IP20 sockets Product innovation

IP20 device plug-in connectors with and without LED

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Patch cable

Patch cable Product innovation

IP20 and IP67 patch cable and device connectors, supporting Power over Data Line (PoDL)

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IP67 sockets

IP67 sockets Product innovation

M8 pin and socket variants enable pin-socket exchange at the device as well as free field couplings

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SPE meets OMNIMATE® 4.0 Product innovation

Discover the new, modular, hybrid system to build every kind of connector for data, signal and power - also ready for IIoT. The future-proof system is suitable for the highest requirements of the digital and connected world.

Data connections for the factory of the future Product innovation

SPE connections transfer data and power over just one twisted pair. This enables both end-to-end IP communication between sensor and cloud, as well as power supply in complex IIoT solutions. With SPE, field devices, sensors, and actuators can be integrated directly into an existing Ethernet environment – without additional gateways and interfaces.

All the advantages of two-wire cabling in conjunction with end-to-end Ethernet communication right into the field
Particularly robust, industry-compatible design
Most compact design for implementing IIoT devices – savings > 50%
Highly future-proof thanks to compliance with international standards

Advantages of SPE connectors

Particularly compact

Miniaturization of SPE connectors according to IEC 63171-2

Currently the smallest mating face according to IEC 63171 on the market
Doubling the Port-Density compared to RJ45 in the same housing contour
Only 20% of the volume of an RJ45 jack
Can be integrated into standard M8 housings and connectors as with I/O-Link or PROFINET
M8 connectors with male and female contacts available
Front and rear panel mounting with male and female contacts supported

Made for highest demands

The industrial suitability of SPE connectors

Robust metal housing with metal snap-in hooks
Shock resistant and vibration resistant according to IEC 60068
Coupling attenuation at 600 MHz according to IEEE 802.3
Optimum shield connection on the PCB due to four symmetrical legs
PCB connectors for environments up to pollution degree 2

Easy to use

The simplicity of SPE connectors

Industry standard plugs and sockets with metal Snap-in hooks locking
Simple assembly due to a two-part connector
Suitable for all commercially available SPE cables
Trouble-fee integration into M8 housings and connectors
Compatibility of IP20 and IP67 variants

Ready for the challenges of tomorrow

Future-proof SPE connectors

Extensive support within the Single Pair Ethernet System Alliance
Suitable for various Ethernet applications with transfer rates from 10 Mbit/s to 1 Gbit/s
Bandwidth of up to 2.5 GHz
SPE technology can be used in standard M12 connectors
Will allow extremely compact IIoT devices with 32 ports to be implemented

Standardization, the key to success

When developing new standards, the most important task is to establish a uniform and application-independent plug-in-connector face. Together with other manufacturers Weidmüller supports the currently submitted standardization variants according to IEC 63171-2 for IP20 and IEC 63171-5 for IP67.