罗克韦尔ICS TRIPLEX T8451数字模块是一款专为工业控制系统设计、具有高可靠性和安全性的高性能模块。以下是它的一些关键特性和参数：

电源要求：T8451模块使用24V直流电源供电，其工作电压范围为20至32V DC 。

输入/输出通道：模块具有16个数字输入通道和16个数字输出通道，共有40个独立的通道可以进行监控和输出 。

电气特性：

输入电压范围为5V至30V DC，每个通道的输入电流最大为5mA 。

输出电压范围为5V至30V DC，每个通道的输出电流最大为0.5A，并提供输出短路和过流保护 。

额定输出电流为每个电源组每个通道2A，总的最大输出电流为8A 。

物理特性：

模块的尺寸为115mm x 60mm x 22.5mm 。

工作温度范围为-20°C至+60°C，存储温度范围为-40°C至+85°C 。

通信接口：T8451模块支持多种通信协议，包括Modbus RTU和Ethernet，方便与其他设备进行通信 。

容错技术：采用可信TMR（三重模块冗余）技术，通过三个相同的模块并行运行相同的程序，并使用多数投票系统来确定输出，提高系统的可靠性和容错能力 。

应用领域：T8451数字模块适用于需要高可靠性和安全性的工业自动化系统，如电力、石油、化工、钢铁、造纸等行业 。

附加功能：模块提供输入滤波以降噪，响应时间典型为2ms，确保快速响应输入信号 。

安装和维护：由于其紧凑的尺寸和设计，T8451模块易于安装和维护 。

The Rockwell ICS TRIPLEX T8451 digital module is a high-performance module designed for industrial control systems with high reliability and security. Here are some of its key features and parameters:

Power requirements: The T8451 module uses 24V DC power supply and its operating voltage range is 20 to 32V DC.

Input/output channels: The module has 16 digital input channels and 16 digital output channels, and a total of 40 independent channels can be monitored and output.

Electrical characteristics:

The input voltage ranges from 5V to 30V DC, with a maximum input current of 5mA per channel.

The output voltage ranges from 5V to 30V DC with a maximum output current of 0.5A per channel and provides output short circuit and overcurrent protection.

The rated output current is 2A per channel per power pack, for a total maximum output current of 8A.

Physical characteristics:

The dimensions of the modules are 115mm x 60mm x 22.5mm.

The operating temperature range is -20°C to +60°C, and the storage temperature range is -40°C to +85°C.

Communication interface: The T8451 module supports a variety of communication protocols, including Modbus RTU and Ethernet, to facilitate communication with other devices.

Fault tolerance technology: Using trusted TMR (Triple module redundancy) technology, the same program is run in parallel through three identical modules, and the majority voting system is used to determine the output, improving the reliability and fault tolerance of the system.

Applications: The T8451 digital module is suitable for industrial automation systems requiring high reliability and safety, such as power, petroleum, chemical, steel, paper and other industries.

Additional features: The module provides input filtering to reduce noise, and the response time is typically 2ms, ensuring a fast response to the input signal.

Installation and maintenance: Thanks to its compact size and design, the T8451 module is easy to install and maintain.