描述
一、产品概述
CMA131C是ABB CM系列通信模块的经济型型号，核心功能是为AC500/AC500-eCo PLC提供高速、可靠的工业以太网连接。该模块支持Modbus TCP、Profinet IO、EtherNet/IP等主流工业协议，并集成双以太网端口、冗余网络、简单配置工具，可实现PLC与上位机、HMI、传感器、驱动器等设备的无缝通信，同时满足工业4.0对灵活性和成本效益的要求。
二、核心功能与特性
1.多协议工业以太网支持
协议兼容性：
Modbus TCP：支持主站/从站模式，兼容功能码01-06（读/写线圈/寄存器）、15-16（写多线圈/寄存器），可快速对接legacy设备（如仪表、变频器）。
Profinet IO：支持IO控制器/设备模式，适用于西门子等Profinet生态设备，实现实时数据交换（循环时间≤1ms）。
EtherNet/IP：支持Scanner/Adapter模式，兼容罗克韦尔自动化设备，适用于包装、物流等高速控制场景。
OPC UA Server（可选）：提供数据建模、报警与事件、历史数据访问功能，便于与IT系统（如ERP、MES）集成。
协议转换：内置协议转换引擎，可实现Modbus TCP↔Profinet、EtherNet/IP↔OPC UA等跨协议通信，减少网关设备投入。
2.高可靠性网络设计
双以太网端口：
配备2×10/100Mbps以太网端口，支持并行冗余协议（PRP）或链路聚合（LACP），提升网络带宽（最大200Mbps）和冗余性。
当主链路故障时，自动切换至备用链路，切换时间<50ms，确保系统连续运行。
工业级硬件：
宽温设计：工作温度范围-20℃至+60℃（标准型号），适应工厂环境。
抗干扰能力：符合IEC 61000-4-6（传导抗扰度）和IEC 61000-4-3（辐射抗扰度）标准，抵御电磁干扰。
防护等级：IP20（标准），可选IP65防护外壳，适用于户外或粉尘环境。
3.灵活配置与易用性
配置工具：
通过ABB Automation Builder或CodeSys软件进行图形化配置，无需复杂编程。
支持Web服务器，可通过浏览器直接访问模块状态、修改参数（如IP地址、协议模式）。
模块化设计：
DIN导轨安装，尺寸45mm×100mm×115mm，节省机柜空间。
热插拔支持：可在PLC运行状态下更换模块，减少停机时间。
4.安全功能（基础版）
访问控制：
支持MAC地址过滤，限制未授权设备接入网络。
提供VLAN划分功能，隔离不同优先级或安全级别的流量。
数据加密（可选）：
支持TLS 1.2加密通信（需升级固件），确保OPC UA数据传输安全。
三、技术规格
参数详情
适用PLC ABB AC500/AC500-eCo系列
通信协议Modbus TCP、Profinet IO、EtherNet/IP、OPC UA（可选）
以太网端口2×10/100Mbps RJ45（支持PRP/LACP）
工作电压24V DC（-15%/+20%）
功耗典型值5W
尺寸（W×H×D）45mm×100mm×115mm
重量约200g
认证CE、UL 508A、cULus、RoHS
四、典型应用场景
工厂自动化：
连接AC500 PLC与HMI、SCADA系统，实现生产数据监控与远程控制。
通过Profinet IO对接西门子驱动器，实现同步运动控制。
能源管理：
集成Modbus TCP协议，采集太阳能逆变器、储能系统数据，上传至能源管理系统（EMS）。
楼宇自动化：
通过EtherNet/IP连接空调、照明、安防设备，实现智能楼宇控制。
1.Product Overview
The CMA131C is an economical model of the ABB CM series communication module,and its core function is to provide high-speed,reliable industrial Ethernet connections to the AC500/AC500-eCo PLC.This module supports mainstream industrial protocols such as Modbus TCP,Profinet IO,EtherNet/IP,and integrates dual Ethernet ports,redundant networks,and simple configuration tools to achieve seamless communication between PLC and upper computers,HMIs,sensors,drivers and other devices,while meeting the flexibility and cost-effectiveness requirements of Industry 4.0.
2.Core functions and characteristics
1.Multi-protocol Industrial Ethernet Support
Protocol Compatibility:
Modbus TCP:supports master/slave mode,compatible with function codes 01-06(read/write coil/register),15-16(write multi-coil/register),and can quickly connect legacy devices(such as instruments,frequency converters).
Profinet IO:supports IO controller/device mode,suitable for Profinet ecological equipment such as Siemens,real-time data exchange(cycle time≤1ms).
EtherNet/IP:Supports Scanner/Adapter mode,is compatible with Rockwell automation equipment,and is suitable for high-speed control scenarios such as packaging and logistics.
OPC UA Server(optional):Provides data modeling,alarms and events,and historical data access functions,which facilitates integration with IT systems(such as ERP,MES).
Protocol conversion:Built-in protocol conversion engine,which can realize cross-protocol communication such as Modbus TCP↔Profinet,EtherNet/IP↔OPC UA,etc.,reducing investment in gateway equipment.
2.High reliability network design
Dual Ethernet ports:
Equipped with 2×10/100Mbps Ethernet port,supports parallel redundancy protocol(PRP)or link aggregation(LACP),and improves network bandwidth(maximum 200Mbps)and redundancy.
When the main link fails,it will automatically switch to the backup link,and the switching time is<50ms to ensure the continuous operation of the system.
Industrial hardware:
Wide temperature design:working temperature range-20℃to+60℃(standard model),adapted to factory environment.
Anti-interference ability:complies with IEC 61000-4-6(conductive immunity)and IEC 61000-4-3(radiation immunity)standards to resist electromagnetic interference.
Protection level:IP20(standard),optional IP65 protective case,suitable for outdoor or dusty environments.
3.Flexible configuration and ease of use
Configuration Tool:
Graphical configuration with ABB Automation Builder or CodeSys software,without complex programming.
Supports web servers,and can directly access module status and modify parameters(such as IP address,protocol mode)through the browser.
Modular design:
DIN rail installation,size 45mm×100mm×115mm,saving cabinet space.
Hot-swap support:You can replace modules while the PLC is running to reduce downtime.
4.Safety features(basic version)
Access Control:
Supports MAC address filtering,restricting unauthorized devices from accessing the network.
Provides VLAN division function to isolate traffic at different priorities or security levels.
Data encryption(optional):
Supports TLS 1.2 encrypted communication(firmary to upgrade firmware)to ensure the security of OPC UA data transmission.
3.Technical specifications
Parameters Details
Applicable to PLC ABB AC500/AC500-eCo series
Communication protocols Modbus TCP,Profinet IO,EtherNet/IP,OPC UA(optional)
Ethernet port 2×10/100Mbps RJ45(supports PRP/LACP)
Operating voltage 24V DC(-15%/+20%)
Power consumption Typical value 5W
Dimensions(W×H×D)45mm×100mm×115mm
Weight approximately 200g
Certification CE,UL 508A,cULus,RoHS
4.Typical application scenarios
Factory automation:
Connect AC500 PLC with HMI and SCADA systems to realize production data monitoring and remote control.
Synchronous motion control is achieved through Profinet IO docking Siemens drives.
Energy Management:
Integrate the Modbus TCP protocol to collect solar inverters and energy storage system data and upload them to the Energy Management System(EMS).
Building automation:
Connect air conditioning,lighting and security equipment through EtherNet/IP to achieve intelligent building control.
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