The TOSHIBA USIO21 is an industrial-grade Ethernet switch researched and manufactured by Toshiba, exclusively designed for harsh industrial environments. It integrates high reliability, high-speed communication capability and flexible adaptability. It can seamlessly integrate into industrial control systems such as TMEIC nv series controllers to build stable device communication links, and can also be independently applied to various industrial automation scenarios to provide secure and efficient network support for data transmission between industrial devices. It is a key component connecting local and remote devices in industrial network architectures.
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Core Product Positioning and Applicable Scenarios
The core positioning of the USIO21 switch is to address the stability and efficiency issues of device interconnection in industrial environments, and its applicable scenarios are closely aligned with the demands of industrial automation:
Integration with TMEIC nv Series Controller Systems
In the I/O communication architecture of nv series controllers, the USIO21 acts as an optical-electrical converter and undertakes key signal conversion and link connection functions. It can convert the optical signals of the TC-net I/O optical fault-tolerant ring network (with a maximum transmission distance of 2km) into electrical signals for connection to drive devices (e.g., TMdrive-10e2 series compact drives) in on-site distributed I/O cabinets or multi-stage panels. Meanwhile, it supports collaboration with the TC-net I/O ring network hub (UTLH21) to build a multi-layer communication network covering electrical rooms and equipment sites, reducing long-distance wiring costs and improving signal transmission stability.
General Industrial Automation Scenarios
It is widely applied in fields including factory automation, transportation (e.g., interconnection of rail transit equipment), energy management (e.g., power equipment monitoring), intelligent buildings (e.g., industrial-grade building equipment communication), environmental monitoring (e.g., sensor data transmission in harsh environments) and smart cities (e.g., industrial-grade infrastructure networking). It is also adaptable to scenarios such as enterprise networks, data centers and campus networks, meeting diverse high-speed connection requirements.
Key Technical Features and Advantages
(I) Industrial-Grade Environmental Adaptability
The USIO21 features an industrial-grade hardware design with excellent tolerance to harsh environments:
- Extreme Environment Resistance: It supports high and low temperature operation (adaptable to common industrial temperature and humidity ranges), resists mechanical interference such as vibration and impact, and has dustproof and waterproof properties (presumed to comply with industrial-grade protection standards such as IP30 and above), enabling installation in multiple scenarios including electrical rooms and equipment sites and ensuring long-term stable operation in complex environments such as factory workshops and outdoor industrial sites.
- Stable Hardware Architecture: It adopts high-reliability hardware components and stable firmware, reducing equipment failures caused by environmental factors, meeting the 24/7 continuous operation requirements of industrial systems, and lowering the frequency and cost of operation and maintenance.
(II) High-Speed Communication and Flexible Port Configuration
- High-Speed Data Transmission: It supports data transmission at Gigabit Ethernet (1Gbps) and higher rates, far exceeding that of traditional industrial switches. It can meet the rapid transmission requirements of high-frequency data in industrial automation such as real-time control signals, massive sensor data and equipment status feedback, avoiding control deviations caused by data delay.
- Multi-Specification Port Options: It offers a variety of port configurations including 5-port, 8-port and 16-port models. Port types cover RJ45 electrical ports (adaptable to shielded twisted pair cables such as Cat5e for short-distance device connections, e.g., local I/O modules in electrical rooms) and optical fiber ports (adaptable to optical fiber cables such as GI 50/125 for long-distance transmission, e.g., cross-regional connections between equipment sites and electrical rooms). The ports can be flexibly selected according to network topologies (e.g., ring network, star network), adapting to industrial network architectures of different scales.
Synergistic Advantages with TMEIC nv Series Controllers
In the industrial control systems of TMEIC nv series controllers, the USIO21 is not a standalone device but forms in-depth synergy with the entire system:Communication Link Completion: The TC-net I/O ring network of nv series controllers is divided into an electrical ring (blue, connecting local I/Os in the electrical room with a short transmission distance) and an optical ring (red, connecting on-site I/Os with a long transmission distance). As the core of optical-electrical conversion, the USIO21 enables signal intercommunication between the two types of ring networks and simultaneously connects drives in multi-stage panels (e.g., up to 12 TMdrive-10e2 drives), building a complete communication chain of Controller-Switch-Drives/I/O Modules.Reliability Superposition: The nv series controllers themselves feature reliability designs such as redundant modules and ECC error-correcting memory. The industrial-grade stable characteristics of the USIO21 are superimposed with these designs to further enhance the fault resistance of the entire control system, making it particularly suitable for industries with extremely high requirements for system reliability such as metal rolling, petrochemical engineering and mining.
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