Variable Speed Drive Manufacturer China CT110 Special for Multi-pumps Water Supply
Variable Speed Drive manufacturer China CT110 special for multi-pumps water supply
Modle No.: 0.75KW - 500KW
1. CT110 series special for multi-pumps water supply = PLC + pressure sensor + PID regulator + inverter . Supply fixed variable frequency pump mode (can define 1 fixed variable pump at most + 2 grid frequency pumps).
2. Optimized water supply PID regulator .
3. Flexible control logic of add and decrease the pumps, flexible dormancy pumps control.
4. Support 8 timeslots timing water-supply and 16 multi-step pressures setting.
5. For convenient debugging and maintenance, built-in manual soft-start debugging and manual round-robin debugging function.
6. Monitoring the pressure of pipe net, and alarm at abnormal status. Perfect fault protection: ground fault protection, short phase protection, etc.
7. Built-in standard Modbus communication protocol.
| Function | Specification | |
| I/O Features | Input Voltage Range | Single phase 220VAC±20%; Three phase 380VAC±20% |
| Input Frequency Rage | 50~60Hz±5% | |
| Output Valtage Rage | 0~Rated input valtage | |
| Output Frequency Rage | 0~600HZ, unit: 0.01Hz | |
| Output overload capacity | 150% rated current for 60S;180% rated current for 10S;200% rated current for 1S | |
| Control Function | Control mode | V/F control |
| Speed adjusting range | Asynchronous motor 1:100 | |
| Speed control accuracy: | ±0.5% (V/F control) | |
| Speed fluctuation | ±0.5% (V/F control) | |
| Starting torque | Asynchronous motor 0.5Hz/ 150% | |
| Starting frequency | 0.00~10.00Hz | |
| Accel./decel.time | 0.1~3000.0s | |
| Carrier wave frequency | 1.0KHz ~16.0KHz | |
| Frequency reference source | UP/ DOWN input, digital setting, Analog setting, Multi-step speed setting, PID setting, MODBUS communication setting. Realize the shifting between the set combination and set channel. | |
| Starting mode | Frequency start, DC bracking | |
| Halting mode | Slow down halting, free halting, slow down halting+DC bracking | |
| Energy consumption braking | 320~750V | |
| DC braking | DC braking frequency:0~300HZ; | |
| DC braking waiting time:0~50s; | ||
| DC braking current:0.0~100.0%; | ||
| DC braking time:0.0~50.0s; | ||
| Automatic voltage regulation (AVR) | When the grid voltage fluctuates, changes in the output voltages is very small, remained constant V/F | |
| I/O Terminals | DI Terminals | 5 channels common input |
| AI Terminals | 2 channel analog inputI, AI0:0~10v, AIN:0~10v or 0-20mA input optional | |
| Relay output Terminal | 2 channel relay output | |
| Communication Terminals | RS485 communication interface | Provide RS485 communication interface, adopt Modbus-RTU communication mode(RTU). |
| Fault protections | Overcurrent、short circuit、overvoltage、Undervoltage、overheat、bus undervoltage、motor overload、Inverter overload、abnormal input power、abnormal output、outside fault、communication fault、current detection fault、motor self-learning fault、EEPROM operation fault、PID fault、braking fault,ect. | |
| Man-machine interface | LED Display | Displayed related information in the high-lighted LED digital tube. |
| Environmental Constraint | Installation sites | Indoor. The inverter is prohibited to be stored at the place where with direct sunlight, fall of oil mist, steam, dust and with heavy oscillation.l |
| Temperature | −10~+40℃,inverter will be derated if ambient temperature between 40~50℃,the rated output current should be reduced 1% if temperature rise every 1% | |
| Humidity | 5~95%, without condensation | |
| Altitude | 0~2000M,inverter will be derated if the altitude >1000M,the reted output cureent reduced 1% if the altitude rise 100M. | |
| Oscillation | ||
| Storage temperature | −40~+70℃ | |
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