描述
一、产品概述与核心功能
模块类型
-耦合模块：专用于数字信号输入（DI）的隔离与传输，支持24V DC输入环境；
-兼容性：适配ABB MasterBus 300通信系统，可安装于SC510/SC520子模块托架。
核心功能
-信号采集：32路数字输入通道，公共回路设计简化布线；
-电气隔离：通道与系统间隔离，抗干扰性能强；
-通信支持：集成Profibus、Modbus等协议，适配DCS/PLC系统。
二、技术参数
|项目|参数/功能|
|型号|88VA02A-E|
|部件编号|GJR2365700R1010|
|输入通道|32路DI（24V DC）|
|隔离特性|通道与系统间电气隔离|
|安装方式|SC510/SC520子模块托架|
|工作环境|温度-20°C至+60°C，防护等级IP20|
|认证|CE、NAMUR、CSA等|
三、应用场景
电力系统
-发电厂断路器、开关状态监测；
-变电站设备信号隔离传输。
化工与炼油
-传感器信号转换与抗干扰传输；
-管道阀门状态采集。
制造与过程控制
-PLC/DCS中设备状态监控（如电机启停信号）。
1.Product overview and core functions
Module Type
-Coupling module:dedicated to the isolation and transmission of digital signal input(DI),supporting 24V DC input environment;
-Compatibility:adapted to ABB MasterBus 300 communication system,can be installed in SC510/SC520 submodule bay.
Core functions
-Signal acquisition:32 digital input channels,simplified wiring for common loop design;
-Electrical isolation:The channel is isolated from the system,with strong anti-interference performance;
-Communication support:Integrate Profibus,Modbus and other protocols,adapt to DCS/PLC system.
2.Technical parameters
|Project|Parameters/Functions|
|Model|88VA02A-E|
|Part No.|GJR2365700R1010|
|Input Channel|32-channel DI(24V DC)|
|Isolation characteristics|Electrical isolation between channels and systems|
|Installation method|SC510/SC520 submodule bracket|
|Working Environment|Temperature-20°C to+60°C,Protection Class IP20|
|Certification|CE,NAMUR,CSA,etc.|
III.Application scenarios
Power system
-Monitoring of circuit breakers and switch status of power plants;
-Isolated signal transmission of substation equipment.
Chemical and oil refining
-Sensor signal conversion and anti-interference transmission;
-Pipeline valve status collection.
Manufacturing and process control
-Equipment status monitoring in PLC/DCS(such as motor start and stop signal).
