描述
ABB DO821 3BSE013250R1是一款用于S800 I/O的数字输出模块。以下是其产品详情：
基本信息
品牌：ABB
型号：DO821
产品编号：3BSE013250R1
原产国：瑞士
产品类型：数字输出模块
技术参数
输出通道：8通道
输出电压：250V AC
输出类型：230V交流/直流继电器常闭（NC）输出
最大连续输出电流：3A
隔离情况：单独隔离，通道到通道和电路公共端
额定绝缘电压：250V
介电测试电压：2000V AC
功耗：典型值2.9W
电流消耗：+5V Modulebus为60mA，+24V Modulebus为140mA，+24V外部为0
现场电缆长度：600米
功能特点
状态指示：每个输出通道由光隔离栅、输出状态指示LED、继电器驱动器、继电器和EMC保护元件组成，可直观显示通道工作状态。
故障监控：继电器电源电压监控源自ModuleBus上分布的24V，如果电压消失，则发出错误信号，警告LED亮起，错误信号可以通过ModuleBus读取，且可以使用参数启用/禁用此监控。
故障安全功能：具备OSP（输出安全保护）功能，在检测到错误时将输出设置为预定状态。
The ABB DO821 3BSE013250R1 is a digital output module for S800 I/O.The following are product details:
Basic Information
Brand:ABB
Model:DO821
Product Number:3BSE013250R1
Country of Origin:Switzerland
Product Type:Digital Output Module
Technical Parameters
Output Channels:8
Output Voltage:250V AC
Output Type:230V AC/DC relay normally closed(NC)output
Maximum Continuous Output Current:3A
Isolation:Individually isolated,channel-to-channel,and circuit common
Rated Insulation Voltage:250V
Dielectric Test Voltage:2000V AC
Power Consumption:Typical 2.9W
Current Draw:60mA for+5V Modulebus,140mA for+24V Modulebus,0 for external+24V
Field Cable Length:600m
Features
Status Indication:Each output channel consists of an optical isolator,output status indicator LED,relay driver,relay,and EMC protection components,providing intuitive display of channel operating status.
Fault Monitoring:The relay monitors the 24V supply voltage distributed over the ModuleBus.If this voltage fails,an error signal is issued,illuminating the warning LED.The error signal can be read via the ModuleBus,and this monitoring can be enabled/disabled using a parameter.
Fail-Safe Functionality:The relay features OSP(Output Safety Protection)which sets the output to a predetermined state when an error is detected.
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