COVER STORY
process automation that off ers numerous advantages over conventional 4-20mA applications, including the possibility of reusing the existing infrastructure.
Analog Devices solutions Analog Devices now off ers several products that comply to and complement the 10BASE-T1L standard:
Complete Long-Reach Ethernet solution for digitising building automation networks We recently introduced a complete 10BASE-T1L Ethernet solution designed for building automation networks. Digital, connected automation equipment enables holistic building management, ranging from heating ventilation and air conditioning to occupancy comfort. The new ADIN2111 adds Long-Reach Ethernet connectivity to controllers (Figure 4), sensors and actuators, delivering insights for more effi cient and sustainable building management. Ideally suited for small, power-constrained edge devices, the ADIN2111 provides up to 50% power consumption savings and up to 75% savings in PCB real estate versus discrete implementations. The ADIN2111 is designed for daisy chaining data in line and ring networks, utilising existing deployed single twisted pair cabling infrastructure within buildings, thus reducing retrofi tting costs. The enhanced diagnostic features shrink commissioning, installation and system downtime by troubleshooting problems quickly and eff ectively using the provided real-time information on link quality and fault location. Compliant to the IEEE 802.3cg standard, this solution enables Ethernet connectivity over 1.7km of cabling, supports ring redundancy and soft real time protocols like Modbus/TCP, BACnet/IP and KNX.
Multiprotocol industrial Ethernet switch platform The ADIN2299 (Figure 5) is a multi-protocol industrial Ethernet switch platform, to address the connectivity needs of industrial and process automation, motion control, transportation and energy automation. The platform is designed to operate in a star, line or ring topology. It is a highly integrated and tested solution that contains a communications controller, a two-port 10/100Mbps Ethernet switch, memory, physical layer (PHY) and
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Figure 4: ADI ADIN2111 Long-Reach Ethernet schematic
protocol stacks. The ADIN2299 hardware, coupled with its software and pre-certifi ed industrial protocols, reduces system integration time while providing fast time to market. The ADIN2299 reduces design and debug time by not only providing the protocol stack but also the RTOS, fi le system, drivers and TCP/IP. An application processor can connect to the switch platform via a UART, SPI or Ethernet interface. The ADIN2299 software enables the application processor to connect to a unifi ed interface so that various industrial protocols can be applied without requiring any changes to the application processor software. This eliminates the learning curve associated
with incorporating additional protocols. Customers can now leverage a single fi eld device hardware design to support multiple industrial protocols. Another crucial element of the ADIN2299 is its cyber security. It has a secure boot and secure update feature that ensures that only verifi ed code is executed, reducing possible disruptions in the fi eld caused by cyber attacks. An ADIN2299 evaluation kit is available for platform assessment and system development. An application example is provided to demonstrate end-to-end, host- to-network and interface-to-controller communication. Once an application development board is connected via UART, SPI or Ethernet interface with the ADIN2299 evaluation board, protocol communication can be evaluated using a PLC or controller simulator. This allows for complete verifi cation before integrating the ADIN2299 into a system.
Figure 5: ADI ADIN2299 Ethernet switch platform
CONTACT:
Analog Devices Inc.
www.analog.com
Automation | November 2022 11
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