描述
ABB DO890是一款数字输出模块，产品详情如下：
基本信息
品牌：ABB
型号：DO890
产品ID：3BSC690074R1
产品类型：I/O模块
产地：瑞典
尺寸：宽45mm×高119mm×深102mm
重量：0.3kg
技术参数
输出通道数：4通道
输出信号类型：数字量输出
电源：通常为24V DC
负载：支持150-5000Ω，11V 40mA，电流源，防短路
隔离特性：各通道之间以及通道与模块总线和电源之间均为电流隔离
故障检测：可配置每个通道的开路和短路检测
功能特点
本安接口：每个通道都内置本安保护组件，无需额外外部设备即可连接到危险区域的过程设备。
驱动能力：每个通道可以向300Ω的现场负载（如经Ex认证的电磁阀、报警发声器或指示灯）提供40mA的额定电流。
配套终端单元：可使用模块终端单元TU890或TU891，实现与过程设备的两线连接，无需额外端子，其中TU890用于防爆应用，TU891用于非防爆应用。
状态指示：具备输出和故障状态指示灯，可直观显示每个通道的工作状态。
The ABB DO890 is a digital output module.Product details are as follows:
Basic Information
Brand:ABB
Model:DO890
Product ID:3BSC690074R1
Product Type:I/O Module
Origin:Sweden
Dimensions:45mm wide×119mm high×102mm deep
Weight:0.3kg
Technical Parameters
Number of Output Channels:4
Output Signal Type:Digital
Power Supply:Typically 24V DC
Load:Supports 150-5000Ω,11V 40mA,current sourcing,short-circuit proof
Isolation:Galvanically isolated between channels and from the module bus and power supply.
Fault Detection:Configurable open and short-circuit detection for each channel.
Features:Intrinsically safe interface:Each channel has built-in intrinsically safe protection components,allowing connection to process equipment in hazardous areas without the need for additional external equipment.Drive Capacity:Each channel can deliver a rated current of 40mA to a 300Ωfield load(such as an Ex-certified solenoid valve,alarm sounder,or indicator light).
Compatible Terminal Units:The modular terminal units TU890 or TU891 can be used to achieve a two-wire connection to process equipment without the need for additional terminals.The TU890 is for explosion-proof applications,while the TU891 is for non-explosion-proof applications.
Status Indicator:Output and fault status indicators provide intuitive display of each channel’s operating status.
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