The SEL-2440 DPAC is a 48-point discrete programmable automation controller ideal for utility and industrial applications that need rugged and reliable I/O at an economical price. The DPAC is fast and powerful, an excellent communicator, and easy to maintain and support, and it meets stringent protective relay standards.

The SEL-2440 Discrete Programmable Automation Controller (DPAC) withstands harsh physical and electrical environments and is built and tested to meet mission-critical IEEE and IEC protective relay standards. Apply the DPAC to satisfy stand-alone or distributed input, output, and communications needs. Figure 1 shows the DPAC functionality.

SEL-2440 DPAC是一个48点的离散式可编程自动化控制器，适用于需要坚固可靠的I / O，及又经济的公用事业设施和工业用途上。 DPAC是一个快速，强大及优秀的通信器，且易于维护和支持，并符合严格的保护继电器标准。

How can I apply the DPAC in my system? You can use it as a standalone controller or digital concentrator. Or, you can use the DPAC as a host or I/O expansion for the SEL-2411 Programmable Automation Controller (PAC) that also supports low-level dc or ac analog inputs.

2020年10月3日 · The SEL-2440 comes standard with a CD manual. One complimentary printed instruction manual is available upon request with each product purchased.

SEL-2440 DPAC是对公共和工业应用是理想的作为一种坚固性和可靠的输入/输出解答以一个经济价格的48点分离可编程序的自动化控制器。 此为机器翻译文本。 (查看英文原文) DirectIndustry（工业在线展会）为您提供可编程自动化控制器 / DIN导轨产品详细信息。 规格型号：SEL-2440，公司品牌：Schweitzer Engineering Laboratories。 直接联系品牌厂商，查询价格和经销网络。 寻找更多国外精选可编程自动化控制器 / DIN导轨产品和供应商采购信息，尽 …

The SEL-2440 DPAC is a 48-point discrete programmable automation controller ideal for utility and industrial applications that need rugged and reliable I/O at an economical price. The DPAC is fast and powerful, an excellent communicator, and easy to maintain and support, and it meets stringent protective relay standards.

SEL-2440 DPAC 是一款 48 点离散可编程自动化控制器，非常适合需要以经济实惠的价格提供坚固可靠的 I/O 的公用事业和工业应用。 DPAC 速度快且功能强大，是一款出色的通讯器，易于维护和支持，符合严格的继电保护标准。 可满足您的应用需求的安装选项包括机架、面板、表面和 DIN 安装（需要单独的套件）。 变电站自动化——利用快速 I/O、可编程逻辑、灵活通信和 SCADA 集成。 I/O Annunciation —指示每个输入和输出的 I/O 状态。 使用设备状态和端口活动指示器简 …

The SEL-2440 DPAC is a 48-point discrete programmable automation controller ideal for utility and industrial applications that need rugged and reliable I/O at an economical price. The DPAC is fast and powerful, an excellent communicator, and easy to maintain and support, and it meets stringent protective relay standards.

The SEL-2440 DPAC is a 48-point discrete programmable automation controller that is ideal for utility and industrial applications as a rugged and reliable I/O solution at an economical price.