TOSHIBA UTLH21 是东芝推出的一款工业控制器，属于Unifi NV系列。

这款控制器代表了东芝在工业自动化领域的一次重要进步，它在功能和性能上都超越了现有的V系列控制器。以下是UTLH21的一些主要特点：

高速逻辑与控制能力：UTLH21具备高速逻辑处理能力，能够执行排序、电机速度控制以及连续控制等复杂任务。

高速I/O通信：它使用业界首创的100Mbps容错环形网络“TC-net I/O”，这使得它可以连接远程现场安装的I/O模块，保证了数据传输的高速性和可靠性。

先进的硬件设计：UTLH21通过在ASIC硬件中直接执行IEC标准控制语言来提高处理速度，同时采用冗余模块和ECC内存纠错技术，增强了系统的可靠性。

千兆监控网络：为了减少电气室和机器之间的长线路，UTLH21支持千兆监控网络，这有助于提高整个控制系统的监控和管理效率。

现场安装I/O模块：该控制器支持现场安装I/O模块，这意味着可以减少电气室和机器之间的连线，通过光环路与控制器进行通信，这样不仅减少了布线的复杂性，也提高了系统的整体稳定性。

综上所述，TOSHIBA 是一款适用于各种工业场合的高性能控制器，它的设计和功能都体现了东芝在工控自动化领域的专业技术和对品质的承诺。

The TOSHIBA UTLH21 is an industrial controller from Toshiba, part of the Unifi NV series.

This controller represents a major advancement for Toshiba in the field of industrial automation, as it surpasses the existing V-series controllers in terms of functionality and performance. Below are some of the key features of the UTLH21:

High-speed logic and control capability: The UTLH21 is equipped with high-speed logic processing capability, enabling it to perform complex tasks such as sequencing, motor speed control, and continuous control.

High-speed I/O communication: The UTLH21 utilizes the industry's first 100Mbps fault-tolerant ring network, “TC-net I/O,” which allows it to connect to remote field-installed I/O modules, ensuring high-speed and reliable data transmission.

Advanced Hardware Design: The UTLH21 improves processing speed by executing the IEC standard control language directly in the ASIC hardware, and enhances system reliability with redundant modules and ECC memory error correction technology.

Gigabit Supervisory Network: To minimize long wiring between the electrical room and the machine, the UTLH21 supports a Gigabit supervisory network, which contributes to the efficiency of monitoring and management of the entire control system.

Field-installed I/O modules: The controller supports field-installed I/O modules, which means that it is possible to reduce the number of wires between the electrical room and the machine and communicate with the controller via an optical loop, which not only reduces the complexity of wiring but also improves the overall stability of the system.

In summary, the TOSHIBA UTLH21 is a high-performance controller suitable for a wide range of industrial applications, and its design and functionality reflect Toshiba's expertise and commitment to quality in the field of industrial control automation.