产品标题: MC-TSIM12 51303932-476适配器模块
型号: MC-TSIM12 51303932-476
品牌: ICS
详情资料
DCS系统控制室通常有500mm左右的防静电、防潮地板,因此要考虑好底座高度,并保证其稳定性和强度。
接地及接地系统的安装
DCS系统对接地要求较高,一般分为:
本质接地
系统直流工作接地
交流电源的保护接地
保护接地等
各类接地系统、各接地母线之间彼此绝缘。
各接地系统检查无混线后方能与各自母线和接地极相连。
系统直流工作接地要求高,不同家系统要求不同,阻值一般不能超过1Ω,因此打接地极。
其他系统接地要求为接地电阻小于4Ω。
保护接地可以与全厂系统地网相连。
英文资料
The DCS system control room usually has an anti-static and moisture-proof floor of about 500mm, so it is necessary to consider the height of the base and ensure its stability and strength.
Grounding and installation of Earthing system
The grounding requirements for DCS systems are relatively high, generally divided into:
Intrinsic grounding
System DC working grounding
Protective grounding of AC power supply
Protective grounding, etc
All kinds of Earthing system and grounding buses are insulated from each other.
Each Earthing system can be connected to its own bus and grounding electrode only after no mixed wires are checked.
The DC working grounding requirements of the system are high, and different systems have different requirements. The resistance value generally cannot exceed 1 Ω, so a grounding electrode is installed.
The grounding requirement for other systems is that the grounding resistance is less than 4 Ω.
The protective grounding can be connected to the grounding network of the entire plant system.
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