PM856 3BSE061898R1 是 ABB 生产的一款直流电源模块，属于 AC 800M 控制器和通信接口系列。以下是该直流电源模块的一些关键特性和功能：

品牌与型号：品牌为 ABB，型号为 PM856 3BSE061898R1。

通信接口：具备两个 RJ45 以太网端口（CN1、CN2）和两个 RJ45 串行端口（COM3、COM4），其中 COM3 为 RS-232C 端口，COM4 为隔离端口 。

电源状态：内置电池设计，确保电源稳定性 。

技术规格：支持 CPU 冗余设计，实现高可用性 。

应用领域：广泛应用于工业自动化、控制系统和网络通信等领域 。

特点与优势：模块化设计，允许逐步扩展；IP20 级保护，无需外壳；可以使用 ABB 的 800xA 控件生成器进行配置；完全 EMC 认证 。

性能：基于最佳通信连接标准的硬件，如以太网、PROFIBUS DP 等，提供高质量的性能 。

PM856 3BSE061898R1 直流电源模块以其高性能、高可靠性和丰富的功能特性，在工业自动化和控制系统中发挥着重要作用。

The PM856 3BSE061898R1 is a DC power module produced by ABB and belongs to the AC 800M controller and communication interface series. The following are some of the key features and functions of the DC power module:

Brand and model: Brand is ABB, model is PM856 3BSE061898R1.

Communication interface: Two RJ45 Ethernet ports (CN1, CN2) and two RJ45 serial ports (COM3, COM4), of which COM3 is the RS-232C port and COM4 is the isolation port.

Power status: Built-in battery design to ensure power stability.

Technical specifications: Support CPU redundancy design to achieve high availability.

Application: Widely used in industrial automation, control system and network communication and other fields.

Features and advantages: Modular design, allowing gradual expansion; IP20 protection, no case required; It can be configured using ABB's 800xA control generator; Full EMC certification.

Performance: Hardware based on the best communication connectivity standards, such as Ethernet, PROFIBUS DP, etc., provides high quality performance.

PM856 3BSE061898R1 DC power module with its high performance, high reliability and rich functional characteristics, in the industrial automation and control system plays an important role.