Allen-Bradley 1785-L20E 控制器以太网 PDF资料
1.产 品 资 料 介 绍：
Allen-Bradley 1785-L20E 控制器
产品特点
属于PLC-5系列可编程逻辑控制器，经典型号。
集成嵌入式以太网通信端口，支持10/100 Mbps。
用户内存为16K字，采用电池供电SRAM。
支持EEPROM程序备份，便于程序保存与恢复。
最大支持512点数字量I/O。
最大支持512点模拟量I/O。
配备1个DH+固定通信口。
配备1个DH+/远程I/O组合通信口。
配备1个串行端口，支持RS-232、RS-423、RS-422A。
单槽模块设计，安装于1771系列I/O机架。
应用领域
中端规模工业自动化生产线的逻辑控制与设备管理。
通过以太网连接编程工作站及HMI人机界面，实现监控与数据交互。
构建分布式远程I/O控制系统，实现多点位设备集中管控。
包装、食品饮料等流程行业的设备自动化控制。
水处理、环保监控等基础设施领域的现场设备控制。
汽车制造、机械加工等离散制造业的工位控制与数据采集。
总结
1785-L20E是PLC-5系列中集成以太网通信的代表性机型，兼具适中内存容量与较强扩展能力
Allen-Bradley 1785-L20E 控制器以太网 英文介绍
Allen Bradley 1785-L20E Controller
Product Features
Belonging to the PLC-5 series programmable logic controller, a classic model.
Integrated embedded Ethernet communication port, supporting 10/100 Mbps.
The user memory is 16K words and uses battery powered SRAM.
Support EEPROM program backup for easy program saving and recovery.
Supports a maximum of 512 digital I/O.
Supports up to 512 analog I/O.
Equipped with one DH+fixed communication port.
Equipped with one DH+/remote I/O combination communication port.
Equipped with one serial port, supporting RS-232, RS-423, RS-422A.
Single slot module design, installed on the 1771 series I/O rack.
Application Domain
Logic control and equipment management of mid-range industrial automation production lines.
Connect the programming workstation and HMI human-machine interface through Ethernet to achieve monitoring and data exchange.
Build a distributed remote I/O control system to achieve centralized control of multi-point devices.
Automation control of equipment in process industries such as packaging and food and beverage.
On site equipment control in infrastructure fields such as water treatment and environmental monitoring.
Workstation control and data collection in discrete manufacturing industries such as automobile manufacturing and mechanical processing.
summary
The 1785-L20E is a representative model of the PLC-5 series that integrates Ethernet communication, with moderate memory capacity and strong scalability
Allen-Bradley 1785-L20E 控制器以太网 产品图片
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