quantum iec
DESCRIPTION
Quantum IEC. 课程 5： 目的： 学完此课程后，您将掌握： PLC 系统正确接地. Quantum 984LL. Quantum IEC. 0v. 0v. 0v. BUS. 0v. 设备框架. A) 良好的信号点接地. 建筑地（地桩）. KEY 金属带或金属网 WIRE JUMPER FROM GROUND TERMINAL. 0v. 0v. 0v. BUS. 0v. 避免如此接地......!!!. EQUIPMENT FRAME. B) VIOLATION OF VIEW (A) BY DAISY-CHAINING. - PowerPoint PPT PresentationTRANSCRIPT
Quantum IEC
课程 5 ： 目的：
学完此课程后，您将掌握：
– PLC系统正确接地 .
Quantum 984LL
Quantum IEC
0v 0v 0v
0v BUS
设备框架
建筑地（地桩）
A) 良好的信号点接地
KEY金属带或金属网WIRE JUMPER FROM GROUND TERMINAL
0v 0v 0v
0v BUS
EQUIPMENTFRAME
BUILDINGGROUND
B) VIOLATION OF VIEW (A) BY DAISY-CHAINING
KEYBRAID OR METAL STRAPWIRE JUMPER FROM GROUND TERMINAL
避免如此接地 ......!!!
0v 0v 0v
EQUIPMENTFRAME
BUILDINGGROUND
C) WORST KIND OF GROUNDING NETWORK (LARGE LOOP AREAS BETWEEN LOGIC GROUND AND FRAME GROUND WIRES)
KEYBRAID OR METAL STRAPWIRE JUMPER FROM GROUND TERMINAL