Product Details

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	<0.5g
	Storage temperature	−40～+70℃