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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.
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Quantum IEC • 课程 5: • 目的: • 学完此课程后,您将掌握: • PLC系统正确接地.
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......!!! EQUIPMENTFRAME B) VIOLATION OF VIEW (A) BY DAISY-CHAINING BUILDINGGROUND KEYBRAID OR METAL STRAPWIRE JUMPER FROM GROUND TERMINAL
0v 0v 0v EQUIPMENTFRAME C) WORST KIND OF GROUNDING NETWORK (LARGE LOOP AREAS BETWEEN LOGIC GROUND AND FRAME GROUND WIRES) BUILDINGGROUND KEYBRAID OR METAL STRAPWIRE JUMPER FROM GROUND TERMINAL