Quanzhou Ausenist Technology Co., Ltd -
YS820 Multi-Pump VFD Controller for a Three-Pump Constant Pressure System
A YS820 three-pump constant-pressure reference architecture covering one-drive-per-pump sizing, staging, pressure feedback and acceptance tests. -
What Does “Waterproof Pump Inverter” Really Mean?
A buyer-focused explanation of waterproof pump inverter claims, IP ratings, cable glands, condensation and safe outdoor installation boundaries. -
Variador de Frecuencia de 7,5 kW para Bomba Sumergible de 380 V
Selección directa de un variador de frecuencia de 7,5 kW para una bomba sumergible de 380 V con presión constante y protección contra trabajo en seco. -
Three-Pump Lead, Lag and Standby VFD Control Logic
A practical three-pump lead-lag-standby VFD control sequence with rotation, assist demand, fault changeover and verification steps. -
Remote Water Pump VFD Monitoring Through an External 4G Gateway
A practical architecture for connecting an AUSENIST pump VFD to remote monitoring through an external 4G Modbus gateway. -
RS485 Register Map and Acceptance Checklist for Pump OEMs
A pump OEM checklist for approving an RS485 register map, data scaling, command permissions, timeouts and production parameter versions. -
One VFD per Pump or Cascade Contactor Control for Three Pumps?
Compare one-VFD-per-pump and shared-VFD cascade contactor architectures for a three-pump constant-pressure system. -
Modbus RTU Remote Monitoring for a Three-Pump VFD System
A three-pump Modbus RTU monitoring page covering RS485 topology, data points, polling, alarms and communication-loss behavior.