PPC-103T-BBARPLC控制系统

使用微信扫描二维码分享朋友圈，成交更快更简单！

空间的辐射电磁场（EMI）主要是由电力网络、电气设备的暂态过程、雷电、无线电广播、电视、雷达、高频感应加热设备等产生的，通常称为辐射干扰，其分布极为复杂。若PLC系统置于所射频场内，就回收到辐射干扰，其影响主要通过两条路径；一是直接对PLC内部的辐射，由电路感应产生干扰；而是对PLC通信内网络的辐射，由通信线路的感应引入干扰。辐射干扰与现场设备布置及设备所产生的电磁场大小，特别是频率有关，一般通过设置屏蔽电缆和PLC局部屏蔽及高压泄放元件进行保护。
Watch
From Germany
Get fast shipping and excellent service when you buy from Top-rated sellers
Item image
Fanuc a16b-1212-022
Pre-Owned
3 296 26

+ 321 88 shipping
Watch
From Germany
Get fast shipping and excellent service when you buy from Top-rated sellers
Item image
Siemens Simatic NET CP 443-1 it Industrial Ethernet 6gk7 443-1gx11-0xe0
Pre-Owned
3 293 04

+ 321 88 shipping
Watch
From Germany
Get fast shipping and excellent service when you buy from Top-rated sellers
Item image
ABB freelance 2000 digital input/Digital Input DDI 01 p37111-4-0369626
Pre-Owned
3 218 68

+ 321 88 shipping
Watch
From Germany
Get fast shipping and excellent service when you buy from Top-rated sellers
Item image
ABB freelance 2000 Digital Input DDI 01 p37111-4-0369626 f6 09 1
Pre-Owned
3 218 68

+ 321 88 shipping
Watch
From Germany
Get fast shipping and excellent service when you buy from Top-rated sellers
Item image
Bosch Fan Module VE300 Type: 0 608 830 159
New (Other)
3 218 68

+ 321 88 shipping