研瑞科技

Main Features

Provides 2 x 10/100 Mbps Ethernet ports for LAN redundancy
Integration of Modbus TCP and Modbus RTU/ASCII networks
Supports baud rates up to 921.6 kbps
Supports up to 16 connections and 32 requests simultaneously
Supports 31 slaves per serial port
Easy-managing Advantech Serial Device Server Configuration Utility for Windows 2000/XP/Vista (x86)
Auto searching slave ID over configuration utility
Software selectable RS-232/422/485 communication
Mounts on DIN-rail, wall or panel
Built-in 15 KV ESD protection for all serial signals
Automatic RS-485 data flow control

EKI-1221/1222/1224具有双独立以太网端口和MAC地址，采用冗余网络机制以保证以太网的可靠性。这些都是基于网络的Modbus协议数据网关，用于使新的和现有的Modbus / RTU和Modbus / ASCII的串行设备与更新的TCP / IP网络设备相结合。他们提供了一种简单和符合成本效益的方式，可对上千无法连接到网络的设备进行远程管理和数据获取。EKI-1221/1222/1224允许用户为每个串口选择主从运作模式。它们不仅允许以太网主模块控制串行从模块，而且允许串行主模块控制以太网从模块。