PFCA401F 3BSE024387R3控制主板单元模块
ABB PFCA 401S 3BSE024387R2控制单元模块
PFCA401F 3BSE024387R3控制主板单元模块控制器主板有6个糟位及1个电源槽位，其中有2个槽位采用快速DMA技术与CPU直接进行高速数据通信，这2个糟位通过插入以太网模件实现控制层基于标准TCP/IP协议以太网的信息传递，剩余4个槽位F1….F4采用中断方式与CPU及主存储器进行数据交换，每个模件都可以产生自己的中断源，强大的中断控制器及先进的多任务操作系统可以快速响应来自这4个通信模件的中断信息及迅速与之进行数据交换，同时通过优先级的控制可以实时接收通信模件的错误报告信息CPU板数据总线的带宽为100MB/ s，保障来自各种通信模件的大信息量数据快速传递到CPU单元进行处理。
为了保证数据最大程度的准确率，PFCA401S 3BSE024387R2 CPU单元的主存储器芯片具有错误检测及修改能力，可以检查32位数据字的2位错误及修改1位错误PFCA401S3BSE024387R2主板提高主存储器的存储容量为16MB，实现在控制器上执行大容量的控制程序，但相应的程序保持设备要更新。
ABB PFCA 401S 3BSE024387R2 Control Unit Module
PFCA401F 3BSE024387R3 control motherboard unit module controller motherboard has 6 slots and 1 power slot, of which 2 slots use fast DMA technology to directly communicate with the CPU for high-speed data. These 2 slots achieve control layer information transmission based on standard TCP/IP protocol Ethernet by inserting Ethernet modules, and the remaining 4 slots F1 F4 uses interrupt mode to exchange data with CPU and main memory, and each module can generate its own interrupt source. The powerful interrupt controller and advanced multitasking operating system can quickly respond to interrupt information from these four communication modules and quickly exchange data with them. At the same time, through priority control, it can receive real-time error reports from communication modules. The bandwidth of the CPU board data bus is 100MB/s, Ensure that large amounts of information from various communication modules are quickly transmitted to the CPU unit for processing.
In order to ensure the maximum accuracy of data, the main memory chip of the PFCA401S 3BSE024387R2 CPU unit has error detection and modification capabilities. It can check for 2-bit errors in 32-bit data words and modify 1-bit errors. The PFCA401S3BSE024387R2 motherboard increases the storage capacity of the main memory to 16MB, enabling the execution of high-capacity control programs on the controller, but the corresponding programs keep the device updated.
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