PM645B ABB 可编程逻辑控制器

PM645B 是一种多模和单模光纤接口的通信处理器模块，通常用于工业自动化和控制系统。这款模块支持多种光纤波长，包括多模的 850nm 和 1310nm，以及单模的 1310nm 和 1550nm。此外，它还支持多种传输光纤类型和距离，包括多模 2Km 和单模 20Km，同时提供了更远距离的可选方案。

PM645B 模块具备丰富的接口和功能，包括电气连接的 RS485 接口和 RS232 接口，以及光纤接口的 SC、FC、ST 可选类型，标配为 SC 光接口。它还支持多种总线标准，如 CAN BUS、DeviceNet 和 CANOpen，通信速率可达 1Mbps。

在电源和保护方面，PM645B 提供了双电源冗余输入，支持 DC(9-36)V 的电压范围，并具有 DC1500V 的电压隔离和反接保护功能。此外，该模块还具备防雷击、过流保护和浪涌保护功能，确保了设备的稳定性和可靠性。

机械特性方面，PM645B 的外形尺寸为 132mm105mm52mm，外壳采用 IP30 防护等级的波浪纹铝制加强机壳。安装方式为 35mm 导轨安装，净重为 800g。工作环境温度范围为 -10~70℃（-40~+85℃ 宽温可选），相对湿度要求不大于 90%（无冷凝），存放温度为 -40~80℃。

总体来说，PM645B 是一种功能强大、稳定可靠的通信处理器模块，适用于各种工业自动化和控制系统中的光纤通信需求。其多模和单模光纤接口、丰富的接口和功能、以及强大的电源和保护功能，使得它成为工业自动化领域中的优选方案之一。

The PM645B is a multi-mode and single-mode fiber optic interface communication processor module commonly used in industrial automation and control systems. The module supports a wide range of fiber wavelengths, including multi-mode 850nm and 1310nm, and single-mode 1310nm and 1550nm. In addition, it supports a variety of transmission fiber types and distances, including multi-mode 2Km and single-mode 20Km, while providing options for longer distances.

The PM645B module provides a variety of ports and functions, including RS485 ports and RS232 ports for electrical connections, and SC, FC, and ST ports for optical fibers. The standard SC optical port is used. It also supports several BUS standards, such as CAN BUS, DeviceNet and CANOpen, with communication rates up to 1Mbps.

In terms of power supply and protection, the PM645B provides dual power supply redundant inputs, supports the voltage range of DC(9-36)V, and has voltage isolation and reverse protection of DC1500V. In addition, the module also has lightning protection, overcurrent protection and surge protection, ensuring the stability and reliability of the equipment.

In terms of mechanical characteristics, the PM645B has an external dimension of 132mm105mm52mm, and the housing is reinforced with wavy aluminum with IP30 protection grade. The installation method is 35mm guide rail, and the net weight is 800g. The operating temperature ranges from -10 ° C to 70 ° C (-40 ° C to +85 ° C wide temperature optional), the relative humidity requirements are not greater than 90% (non-condensing), and the storage temperature is -40 ° C to 80 ° C.

Overall, the PM645B is a powerful, stable and reliable communication processor module for fiber optic communication needs in a variety of industrial automation and control systems. Its multi-mode and single-mode fiber interfaces, rich interfaces and functions, and powerful power and protection functions make it one of the preferred solutions in the field of industrial automation.

 

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