1794-IRT8XT FLEX I/O系列 作为热电偶 RTD和毫伏输入模块

1794-IRT8XT模块由Allen-Bradley在其FLEX I/O系列中设计和制造，作为热电偶，RTD和毫伏输入模块。1794-IRT8XT模块是Allen-Bradley FLEX I/O模块系列中的新型号。它不应用于具有腐蚀性气氛和大量液体的工业环境中，因为它没有保护性的保形涂层。该模块有8个模拟输入。它可以接受毫伏源输入，热电偶输入，以及2线，3线和4线RTD输入。

Allen-Bradley 1794-IRT8XT FLEX I/O模块具有有用的操作功能，如支持长热电偶接线，支持接地和不接地热电偶，良好的共模抑制功能，以及对超范围，不足范围和断线情况的检测。它在用户24伏直流电压源和用户I/O之间以及模块的用户侧和系统侧之间具有隔离功能。只要B系列模块与ControlNet、以太网/IP和远程I/O通信网络一起使用，B系列模块将在A系列模块的终端基座上被接受，而不会触发“电子密钥不匹配警告”。

1794-IRT8XT

The 1794-IRT8XT module has been designed and manufactured by Allen-Bradley in its FLEX I/O series as a thermocouple, RTD, and millivolt input module. The 1794-IRT8XT module is a newer model in the Allen-Bradley FLEX I/O module series. It should not be used in industrial settings that have corrosive atmospheres and large amounts of liquids because it does not come with a protective conformal coating. This module has 8 analog inputs. It can accept millivolt source inputs, thermocouple inputs, and 2-wire, 3-wire, and 4-wire RTD inputs.

The Allen-Bradley 1794-IRT8XT FLEX I/O module comes with useful operating features like support for long thermocouple wiring, support for grounded and ungrounded thermocouples, a good common mode rejection function, and detection for over-range, under-range, and wire-off situations. It has isolation between the user 24 Volts DC voltage source and the user I/O as well as between the user side and the system side of the module. The Series B module will be accepted on the Series A module’s terminal base without triggering an “electronic key mismatch warning” as long as the module is being used with the ControlNet, Ethernet/IP, and Remote I/O communication networks.