Variable frequency drive control system

he DC power supply of this system is suitable for paper machines with a speed of 500m/min or above

AC power supply is suitable for paper machines with speeds below 500m/min

System ID: HHE-2000DC (AC)

etwork topology diagram:

 Main technical indicators:

1、Static accuracy 0.01%

2、Public DC bus power supply with inverter feedback function and pre charging function

3、Inverters are world-renowned automation products

4、Fully digital open high-speed fieldbus (Profibus DP, DeviceNet, ControlNet CanBus, etc.)

5、High definition color intelligent operation terminal

6、Third level network control, centralized monitoring by engineer stations

7、Integrated in machine auxiliary transmission and other logic controls (blanket tensioner, scraper movement, lubrication system detection, etc.)

Main features:

1、　Inverters and central controllers are all imported products

2、The transmission control accuracy reaches 0.01%. It is powered by a common DC bus (with inverter feedback and pre charging function)

3、All adopt open high-speed digital network architecture (Device Net, Profibus DP)

4、Using a high-definition intelligent terminal with a large color screen for operation

5、Computer monitoring management

6、Prefabricated DCS and QCS communication interfaces for the system