Narrow down by specifying conditions
現在1889件がヒットしています。check
With the need to strengthen factory networks, the new industrial Ethernet standard "10BASE-T1L" is attracting increasing attention.
"I know the name 10BASE-T1L, but I want to check the features again" "I want to know the comparison with 4-20mA and fieldbus" "I want the PHY information necessary to build a system with 10BASE-T1L" Isn't there a lot of people?
Here, we introduce an overview of "10BASE-T1L", a comparison with conventional methods, and a lineup of dedicated "10BASE-T1L"PHYs for engineers who want to renovate their factory networks.
- Continuous evolution of factory networks - 10BASE-T1L, a new standard for industrial Ethernet
As we enter the era of Industry 4.0, manufacturing DX and smart factories are being promoted, and the 4-20 mA HART communication and fieldbus communication that have been used in factories so far cannot cope with the increase in data volume. There is a problem that "real-time data transmission is not possible".
In addition, with the advent of IoT, the communication distance has become longer, and the complexity of wiring has become unavoidable in many factories. From the perspectives of "not wanting to make wiring more complicated" and "wanting to reduce cable costs," there is a demand for Ethernet communication.
Under these circumstances, the new industrial Ethernet PHY standard "10BASE-T1L" has emerged. It was approved as "IEEE 802.3cg" on November 7, 2019.
Its main specifications are expressed in the name "10BASE-T1L".
It is characterized by the ability to achieve long-distance communication up to 1km with a pair of twisted pair cables.
The transmission speed is 10Mbps, and it supports full duplex communication and point-to-point connections. Power can also be supplied via cable.
It is also intrinsically safe and can be used in production area applications where protection against fires and explosions caused by flammable gases and dust is required.
Differences from the standard industrial Ethernet PHY standard are shown in the table below.
| PHY main function | 10/100/1000 | 10BASE-T1L |
| cable | 2-pair or 4-pair Ethernet | Single pair Ethernet |
| distance | up to 100m | up to 1km |
| Explosion proof | incompatible | Correspondence |
| Transmission speed | 10Mbps,100Mbps,Gbps | 10Mbps |
| connector | RJ45 | Small 2-pin connector |
| power supply | Supports PoE | Supported by PoDL |
<Comparison: Standard PHY and 10BASE-T1L>
Using 10BASE-T1L, it is possible to connect simply via Ethernet from terminal devices to control devices, and reduce the weight and cost of connectors and cables.
Differences between "10BASE-T1L", "4-20mA HART" and "Fieldbus"
So, what are the features of 10BASE-T1L compared to conventional 4-20mA HART communication and fieldbus communication?
The table below summarizes this.
| Comparison item | 4-20mA HART | field bus | 10BASE-T1L |
| network bandwidth | 1.2kbps | 31.25kbps | 10Mbps |
| Connection with upper layer Ethernet | Requires a gateway | Requires a gateway | No gateway required |
| power supply | less than 40mW | Limited |
Explosion proof: 500mW Non-explosion proof: 60W (depends on cable) |
| number of technicians | downward trend | downward trend | Ethernet technology with many young learners |
<Comparison: "4-20mA HART" "Fieldbus" "10BASE-T1L">
Features (1) 10Mbps bandwidth to accommodate data growth
4-20mA Compared to HART communication and fieldbus communication, 10BASE-T1L has an overwhelmingly wide network bandwidth. Acquire data directly from sensors and actuators in remote locations and collaborate in real time.
Features (2) No gateway required, long-distance communication of 1 km
Until now, data linking from end devices to upper Ethernet layers often required gateways to aggregate data in the middle. 10BASE-T1L supports 1 km long-distance communication and enables point-to-point connections, enabling seamless connections without the need for gateways.
Features (3) Significantly increased amount of power supplied via cable
10BASE-T1L can supply power via cable up to 500mW for explosion-proof models and 60W for non-explosion-proof models. Simple wiring greatly increases power supply to sensors and actuators.
Features (4) Ethernet technology with many young engineers
In Japan, engineers are aging, and the number of engineers who can handle legacy communication standards is decreasing. There are many engineers who are familiar with Ethernet technology even though they are young, so it can be deployed without difficulty in transferring know-how and technology.
Features (5) Reduce costs by reusing cables
Since there is no specific cable specification, existing cables may be reused if simple specifications such as insertion loss and return loss are met. Cable costs can be reduced and wiring can be reduced.
By using 10BASE-T1L, it is possible to realize a seamless network environment for the entire factory that supports Industry 4.0 in the future.
Analog Devices' 10BASE-T1L dedicated PHY lineup
Then, what kind of devices are specifically required when introducing 10BASE-T1L?
Here, we will introduce three products from ADI's industrial 10BASE-T1L PHY lineup, which features ultra-low power consumption.
Lineup (1) Ultra-low power consumption of only 39mW "ADIN1100"
The industrial ultra-low power consumption 10BASE-T1L PHY"ADIN1100" supports 1.0V pk-pk (dual power supply/single power supply) and 2.4V pk-pk (multiple power supply) transmission modes.
The 1.0V pk-pk dual power supply mode with power consumption of only 39mW is applicable for explosion-proof applications where maximum energy is severely limited. 2.4V pk-pk multiple power supply mode can achieve cable lengths up to 1km with ultra-low power consumption of 75mW. Contributes to reducing power consumption of sensors and actuators.
Capacitor connections are also possible, eliminating the need for a transformer. MII, RMII, RGMII interfaces to communicate with the host processor's MAC.
Auto-negotiation function supports transmission distances up to 1.7km. Expands the range of network connectivity. (There are conditions for the cable used)
Lineup (2) SPI interface "ADIN1110" for easy design
Next, we will introduce MAC built-in PHY"ADIN1110". The ability to communicate with the host processor via the SPI protocol makes it easy to handle and greatly expands processor options. The architecture and software of the current solution can be reused as is, reducing design man-hours.
A time stamp for time synchronization is also built in, enabling more precise control.
Lineup (3) "ADIN2111" for easy daisy chain connection
"ADI2111" has two PHY ports. A single device enables easy and low-cost daisy-chaining. Built-in MAC enables SPI communication with host processor.
For example, it is suitable for a comprehensive building management network because it can be easily connected to a building temperature and humidity measuring device.
Enhanced diagnostic functions reduce downtime
So far, we have introduced three types of devices. All of them have enhanced diagnostic functions, so you can quickly respond to network problems and reduce system downtime.
Link quality monitoring also allows SNR measurement and bit error rate estimation, supports loopback, frame generator and frame checker. The built-in cable diagnostic function TDR (Time Domain Reflectometry) can analyze the position and type of failure.
Electrical isolation solution for use with PHY
Macnica carries various products from Wurth Electronics as electrical isolation solutions required by 10BASE-T1L.
Compliant with the IEC 62368-1 standard, it can be used as a peripheral part of ADI's PHY device for transformers, common mode chokes, diodes, capacitors, etc. in the circuit up to the external Ethernet connector. contributes to the simplification of Please consider it together.
Evaluation boards are available for each of the devices introduced in this article. Two boards are provided, so you can use it as a master and a slave and try it easily.
If you are interested, please feel free to contact us.
Application example
・Factory network
Click here to purchase products
Click here for manufacturer site/other related sites
- Industrial Ethernet physical layer device (Various data can be downloaded from here)
- Deployable 10BASE-T1L Single-Pair Ethernet Condition-Monitoring Vibration Sensor Design
- The New 10BASE-T1L Standard – What Has Changed?
- "10BASE-T1L" enables analysis of big data at the edge
- 10BASE-T1L MAC-PHY Simplifies Ethernet Connectivity for Low-Power Processors
- 10BASE-T1L enables seamless Ethernet connectivity for field devices
- What are the specifications required for an industrial Ethernet PHY? ADIN1200/ADIN1300
- Smaller, lighter, and easier to design than conventional products! Single Pair Ethernet Solution
Inquiry
If you have any questions regarding this article, please contact us below.
Analog Devices Manufacturer Information Top
To return to the Analog Devices manufacturer information top page, please click below.