The field bus technique relates to several fields of intelligent instrument, network communications, real-time control, integrated circuit technique and computer technology etc.

现场总线技术具有丰富的内涵，涉及到智能仪表技术、网络通信技术、实时控制技术、集成电路技术和计算机技术等诸多领域。

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For the need of testing of ship degaussing apparatus, the integrated test system based on virtual instrument technology has been designed.

本文针对舰船消磁设备的测试需求，设计了基于虚拟仪器技术的集成测试系统。

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Constructs 28 nodal casting production line control systems of integrated PLC and intellectual instrument on the basis of RS485 network technology.

基于RS485网络技术构筑28个节点的集成plc和智能仪器的铸造生产线控制系统。

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