PR6423/105-141 CON041

PR6423/105-141 CON041 涡流传感器EPRO

产品详情资料

DCS系统是如何接地的

接地分类

 电子设备中“地”通常有两种含义：“大地”和“系统基准地”。

 “大地”是指系统的金属外壳、线路等通过接地线或接地板等接地装置与大地相连，这里讨论的接地技术均指接大地。

  “系统基准地”是指信号回路的基准电位导体(如控制系统的直流零伏导体等)，简称系统地。这时接地的含义是指单元、装置内部各部分电路的信号返回线与基准电位导体之间的连接，接地的目的是为了给系统各部分提供稳定的基准电位。

   DCS系统中有许多需要接地的部分。由于回路性质和接地目的的不同，需要分成若干独立接地子系统，然后连在一起实行总接地。

A6312/06 速度键模块
A6410 双通道位置和外壳 气缸膨胀监测模块
A6500-CC 通讯卡 用于 AMS 6500 ATG 的配置和通信的系统卡
A6500-RC 继电器模块 带16个输出继电器的可编程卡
A6500-UM 通用监测模块 用于监测振动、位移和旋转
A6510 A6510-T 处理器卡 MHMA6560输入模块
A6560 处理器模块 具有瞬时存储的可能性
A6740-10 16通道继电器输出模块 数字数据处理
A6824 通讯模块 ModBus和帧接口模块

英文产品详细信息

How is the DCS system grounded

Grounding classification

In electronic devices, "ground" usually has two meanings: "ground" and "system reference ground".

'Earth' refers to the connection between the metal casing, lines, etc. of the system and the earth through grounding devices such as grounding wires or grounding plates. The grounding techniques discussed here all refer to grounding.

System reference ground "refers to the reference potential conductor of the signal circuit (such as the DC zero voltage conductor of the control system), abbreviated as system ground. At this point, the meaning of grounding refers to the connection between the signal return lines of various internal circuits of the unit and device and the reference potential conductor. The purpose of grounding is to provide a stable reference potential for various parts of the system.

There are many parts in the DCS system that require grounding. Due to the different nature of the circuit and the purpose of grounding, it is necessary to divide it into several independent grounding subsystems and then connect them together to implement overall grounding.

A6312/06 speed key module

A6410 Dual Channel Position and Shell Cylinder Expansion Monitoring Module

A6500-CC communication card is a system card used for configuration and communication of AMS 6500 ATG

A6500-RC relay module with 16 programmable cards for output relays

A6500-UM universal monitoring module for monitoring vibration, displacement, and rotation

A6510 A6510-T processor card MHMA6560 input module

A6560 processor module has the possibility of instantaneous storage

A6740-10 16 Channel Relay Output Module Digital Data Processing

A6824 communication module ModBus and frame interface module

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