描述
ABB DI820 3BSE008512R1是一款数字量输入模块，属于ABB Advant 800xa系列和S800 I/O系列，以下是其产品详情：
基本信息
品牌：ABB
产品型号：DI820
部件编号：3BSE008512R1
产品类型：数字量输入模块
原产国：瑞典
技术参数
输入通道数：8通道
输入电压范围：AC 77-130V或DC 75-145V
输入电流：AC 120V时为10mA，DC 110V时为2.8mA
输入阻抗：AC 12kΩ/DC 39kΩ
隔离情况：通道间相互独立隔离
额定绝缘电压：250V
介电测试电压：2000V AC
功耗：典型值2.8W
尺寸：45mm×102mm×119mm
重量：0.18kg
产品特点
输入类型灵活：支持AC和DC输入，适用于多种现场设备的信号采集。
高可靠性：每个输入通道都包括限流组件、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，增强了抗干扰能力和运行的稳定性。
电压监控功能：通道1可以作为通道2-4的电压监控输入，通道8可以作为通道5-7的电压监控输入，当监控通道的电压消失时，错误输入被激活，警告LED亮起，且错误信号可以从模块总线读取。
The ABB DI820 3BSE008512R1 is a digital input module that belongs to the ABB Advant 800xa series and S800 I/O series.The following are its product details:
Basic Information
Brand:ABB
Product Model:DI820
Part Number:3BSE008512R1
Product Type:Digital Input Module
Country of Origin:Sweden
Technical Parameters
Number of Input Channels:8
Input Voltage Range:AC 77-130V or DC 75-145V
Input Current:10mA at AC 120V,2.8mA at DC 110V
Input Impedance:AC 12kΩ/DC 39kΩ
Isolation:Independent isolation between channels
Rated Insulation Voltage:250V
Dielectric Test Voltage:2000V AC
Power Consumption:Typical 2.8W
Dimensions:45mm×102mm×119mm
Weight:0.18kg
Features
Flexible Input Type:Supports AC and DC inputs,suitable for signal acquisition from a variety of field devices.
High Reliability:Each input channel includes current limiting components,EMC protection components,input status indicator LEDs,optical isolation barriers,and a 6ms analog filter,enhancing interference immunity and operational stability.
Voltage Monitoring Function:Channel 1 can serve as the voltage monitoring input for channels 2-4,and channel 8 can serve as the voltage monitoring input for channels 5-7.When the voltage on the monitored channel drops out,the error input is activated,the warning LED illuminates,and the error signal can be read from the module bus.
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