Project Background
> Weihai Longgang Paper Industry is located in Jiaodong Peninsula. It is one of the top ten industrial investment projects in Weihai City in 2019 and an important industrial packaging supporting factory in Jiaodong Peninsula.
> The DCS provided by Gaoda Technology has been operating safely for more than 6 years for PM1 of Weihai Longgang Paper. The great success of PM1 has laid a solid foundation for the cooperation with PM2 again.
> In the project, Gaoda Technology provided users with a complete set of DCS control and paper machine drives for 300,000 tons of pulp and paper making.
Configuration Scheme
● I/O points: 3300 points
● SIMATIC PCS7 V9.0
● I/O control station: 16 units
● CPU 414-3PN/DP + ET 200SP
● 12-pulse DC bus drive
● S120 + G120 + ET200SP
Project Highlights
● The application of the first domestically developed 12-pulse DC rectifier developed by Gaoda in the papermaking industry
● S7-300/400/1200/1500 communicates directly to WINCC through PN/DP interface and system integration
● Adopting Siemens financial policy, we provided the enterprise with a financial loan of RMB 12.8 million, solving the urgent need for funds for the customer
User benefits and project significance
● Helped Weihai Longgang become the largest waste paper recycling project in the Jiaodong Peninsula, provided support for the company's growth and provided solid support for its further development.
● It became Weihai City’s model project for urban circular economy in 2019 and made great contributions to the peninsula’s environmental protection cause.

