网络接口单元（NIU）是控制计算机与通信网络进行交互的一种接口设备。
Network interface unit (NIU) is an interface device between the control computer and the communication network.
故障恢复方法，通信网络，网络单元，及通信接口模块。
Fault recovery method, communication network, network unit and communication interface module.
主控计算机与各lcu中的监控单元和保护单元通过CAN总线通信，LCU中的PLC通过RS- 485接口与主控计算机通信。
Host computer communicates with the monitor unit and the protection unit of LCUs through the CAN bus. PLC in LCU communicates with host computer through the RS-485 port.
系统的硬件部分主要包括了DSP微处理器的基本外围电路、非易失性存储、LED显示、时钟管理、键盘接口，以及SCI通信和CAN通信等单元电路。
The hardware of the monitoring system mainly consists of the DSP controller, nonvolatile memory, LED, clock management, keyboard interface, SCI communication units and CAN communication units.
所以我们要在测量机的关节和臂身处分别设置由智能传感器单元，各传感器单元通过RS485-US b接口与pc机进行通信。
So we should in measuring machine joints and arm in set respectively by intelligent sensor unit, each sensor unit by RS485 - USB interface to communicate with the PC.
所以我们要在测量机的关节和臂身处分别设置由智能传感器单元，各传感器单元通过RS485-US b接口与pc机进行通信。
So we should in measuring machine joints and arm in set respectively by intelligent sensor unit, each sensor unit by RS485 - USB interface to communicate with the PC.
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