1.Active gateway adopts Ethernet TPC/IP,Each IP allows connection of 250 Gate way,which accommodate total amount of 94500 FFUs via RS-485 connection.
2.Active Gateway access actively to FFU controller for prompt response.
3.Active Gateway can independently online monitor the FFU status even without the connection of HMI.
4.Portable controller or touch screen panel available for on-site connection for immediate control or monitoring.
♦ FFU Controller
1. On board indication of alarm, connection and running status.
2. Address setting 1~255。
3.AC FFU can be off-line operated for manual speed setting.
4.For DC FFU, the controller is equipped with harmonic noise reduction and power factor enhancement
♦ Cables and Wires
1. Etherent cable: CAT5EUDP, RJ45.
2. RS - 485 cable: CAT5EUDP, RJ45 or RJ11
3. Plug type connector for easy connection and maintenance.