Siemens Automation and Drive Products EMC Installation Guide

About this manual

The document serves as an installation and maintenance guide for Siemens industrial automation and drive products. It covers a wide range of equipment types such as Programmable Logic Controllers (PLCs), Numerical Control (NC) systems, Variable Frequency Drives (VFDs), low-voltage electrical components, and industrial control instruments. The primary focus is on ensuring Electromagnetic Compatibility (EMC) within industrial control systems to prevent interference and ensure stable operation. This manual is written in Chinese.

What's inside

• Variable Frequency Drive Selection
• VFD Installation and Wiring Specifications
• Measurement Methods for VFDs
• Daily Maintenance and Inspection of VFDs
• SINUMERIK CNC System Installation
• PLC Installation Guidelines (S7-200)
• System Installation Case Studies

Specifications

Frequently asked questions

What are the three main types of production machinery loads classified for VFD selection?

The document classifies production machinery into constant torque loads, constant power loads, and fan/pump loads.

Which Siemens VFD models are recommended for constant torque loads?

For constant torque loads, the document recommends selecting Siemens MM420 or MM440 variable frequency drives.

What is the recommended maximum cable length for a Siemens MM420/430/440 VFD without an output reactor?

The manual specifies a limit of 50 meters for shielded cables or 100 meters for non-shielded cables.