Technical specification for Siemens PLC control system (ET-200M, S7-400, S7-300, S7-200) used in the SCR NOx reduction project.
This document defines the technical requirements, scope, and delivery schedule for a Siemens PLC control system comprising ET-200M distributed I/O, S7‑400 main controller and S7‑300 signal modules. It outlines the hardware, software, installation, and testing responsibilities of the supplier and the customer.
Key sections include the technical specifications, supply scope, engineering services, applicable standards, and the required documentation and delivery timeline. The specification ensures compliance with Chinese and international safety, environmental, and performance standards. This manual is written in Chinese.
| Operating Temperature | 0–50 °C |
|---|---|
| Operating Humidity | 30–80 % RH |
| Power Supply | 220 V AC, 50 Hz |
The PLC system is designed to operate between 0 °C and 50 °C.
The system requires a 220 V AC, 50 Hz power supply.