描述
ABB DI821 3BSE008550R1是一款8通道的数字输入模块，适用于ABB S800 I/O系统。以下是其产品详情：
基本参数
通道数量：8通道。
输入电压：交流输入电压范围为164-264V，230V交流时输入电流为11mA；直流输入电压范围为175-275V，220V直流时输入电流为1.6mA。
输入阻抗：交流21kΩ，直流134kΩ。
隔离方式：通道间单独隔离。
尺寸：约102mm x 119mm x 45mm。
重量：约0.18kg-0.3kg。
工作温度：0℃至+55℃（垂直安装在紧凑型MTU中时，最高环境温度为40℃）。
存储温度：-40℃至+70℃。
相对湿度：5%至95%，无冷凝。
污染等级：2级，符合IEC 60664-1标准。
认证：CE认证，符合EN 61010-1、UL 61010-1、EN 61010-2-201、UL 61010-2-201电气安全标准，还具有ABS、BV、DNV、LR等船级社认证。
功能特点
电压监控：通道1可作为通道2-4的电压监控输入，通道8可作为通道5-7的电压监控输入。当通道1或8的电压消失时，错误输入被激活，警告指示灯亮起，且错误信号可从模块总线读取。
信号过滤：每个输入通道都包含限流组件、EMC保护组件、输入状态指示LED、光隔离屏障和一个6ms的模拟滤波器，还支持2ms、4ms、8ms、16ms可选的数字滤波时间。
状态指示：前面板有故障（F）、运行（R）、警告（W）指示灯以及通道1-8的状态指示灯，便于实时监控模块运行状态和输入信号状态。
The ABB DI821 3BSE008550R1 is an 8-channel digital input module for the ABB S800 I/O system.Product details are as follows:
Basic Parameters
Number of Channels:8.
Input Voltage:AC input voltage range:164-264V,input current:11mA at 230V AC;DC input voltage range:175-275V,input current:1.6mA at 220V DC.
Input Impedance:AC 21kΩ,DC 134kΩ.
Isolation:Individual isolation between channels.
Dimensions:Approximately 102mm x 119mm x 45mm.
Weight:Approximately 0.18kg-0.3kg.
Operating Temperature:0°C to+55°C(maximum ambient temperature:40°C when mounted vertically in a compact MTU).
Storage Temperature:-40°C to+70°C.
Relative Humidity:5%to 95%,non-condensing.
Pollution Degree:Degree 2,in accordance with IEC 60664-1.
Certifications:CE certified,complies with EN 61010-1,UL 61010-1,EN 61010-2-201,and UL 61010-2-201 electrical safety standards,and also has marine certifications from ABS,BV,DNV,and LR.
Features
Voltage Monitoring:Channel 1 can be used as a voltage monitoring input for channels 2-4,and channel 8 can be used as a voltage monitoring input for channels 5-7.When the voltage on channel 1 or 8 is lost,the error input is activated,the warning indicator illuminates,and the error signal can be read from the module bus.
Signal Filtering:Each input channel includes current limiting,EMC protection,an input status LED,an optical isolation barrier,and a 6ms analog filter.Digital filter times are selectable from 2ms,4ms,8ms,and 16ms.
Status Indicators:The front panel features Fault(F),Run(R),and Warning(W)indicators,as well as status indicators for channels 1-8,enabling real-time monitoring of module operating status and input signal conditions.
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