Brand: ABB
Model: PFRA 101
Part No: 3BSE003911R115
Describe: AC800F redundant control unit
Status: New/Used
ABB PFRA101 (3BSE003911R115) is a redundant main control unit for the AC800F process control system,
ABB PFRA 101（3BSE003911R115）
Redundant main control unit of AC800F process control system
ABB PFRA101 (3BSE003911R115) is a redundant main control unit for the AC800F process control system, designed specifically for continuous process industries such as chemical, papermaking, and water treatment. The suffix "115V" indicates that the unit is fixed as AC 115V power supply from the factory and cannot be switched to 230V through jumpers or firmware - this is a key point that must be confirmed during procurement. The controller adopts a dual CPU architecture and achieves millisecond level state synchronization through fiber optics, with a fault switching time of less than 50 ms.
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AC800F过程控制系统的冗余主控单元
ABB PFRA101（3BSE003911R115）是AC800F过程控制系统的冗余主控单元，专为连续流程工业（如化工、造纸、水处理）设计。 其“115V”后缀表明该单元出厂即固化为AC 115V供电，不可通过跳线或固件切换至230V——这是采购时必须确认的关键点。 该控制器采用双CPU架构，通过光纤实现毫秒级状态同步，故障切换时间<50 ms。
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