描述
ABB TU921S 3KDE175111L9210是一款冗余终端单元，主要用于ABB S900 I/O系统。以下是其产品详情：
基本信息
品牌：ABB
产品ID：3KDE175111L9210
型号：TU921S
目录说明：TU921S Red.Termination Unit(TU16R-Ex)
原产国：瑞典
尺寸：产品净深147mm，净高274mm，净宽498mm
重量：3.79kg
技术参数
通信协议：S900 I/O使用PROFIBUS DP标准与控制系统级别进行通信。
冗余功能：支持电源和通信冗余。
热配置与热交换：具备运行中的热配置和热交换功能，无需中断基本电压即可更换电源单元。
诊断功能：支持扩展诊断，可通过FDT/DTM进行出色的配置和诊断。
防护涂层：所有部件均采用G3涂层，增强了设备在恶劣环境下的可靠性。
I/O模块连接：可作为最多16个I/O模块的终端单元，每个通道至多4个终端。
总线地址：支持现场总线地址的预选。
安装区域：具备ATEX认证，可安装在1区危险区域，也可安装在安全区、2区危险区域。
The ABB TU921S 3KDE175111L9210 is a redundant termination unit designed primarily for the ABB S900 I/O system.Product details are as follows:
Basic Information
Brand:ABB
Product ID:3KDE175111L9210
Model:TU921S
Catalog Description:TU921S Red Termination Unit(TU16R-Ex)
Country of Origin:Sweden
Dimensions:Net depth 147mm,net height 274mm,net width 498mm
Weight:3.79kg
Technical Parameters
Communication Protocol:S900 I/O uses the PROFIBUS DP standard to communicate with the control system.
Redundancy:Supports power supply and communication redundancy.
Hot Configuration and Hot Swap:Supports hot configuration and hot swapping during operation,allowing power supply units to be replaced without interrupting the base voltage.
Diagnostics:Supports extended diagnostics,enabling advanced configuration and diagnostics via FDT/DTM.Conformal Coating:All components feature G3 coating,enhancing reliability in harsh environments.
I/O Module Connection:Can be used as a terminal unit for up to 16 I/O modules,with up to four terminals per channel.
Bus Address:Supports preselection of fieldbus addresses.
Installation Area:ATEX certified,suitable for installation in Zone 1 hazardous areas,as well as safe and Zone 2 hazardous areas.
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