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Frequency Inverter  PR7000 Series |
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| Specifications and features for PR7000 series drive |
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 Combination of 16 microprocessors, space voltage vector control and random PWM control.
Free running through Keypad Control and Analogue Control.
Multi-speed control(including multi-speed running, automatic circulating running, 8-stage speed running, compound speed control).and code timing speed control, PC or PLC speed control.Jogging speed control, external analog signal speed control, definition for definable terminals.
Stall adjustment and output with restriction on currents£»Output torque promotion, Speed-drop and Automatic slip compensation£»Current Coefficient and Output Current Compensation.
Timing Control and the Token Output.
DC braking+Optimized Energy - Consumption braking.
Controlled by keypad, 485 communication control box, PC and PLC, and 125 pieces of inverters can be operated at the same time£¬ Standard Modbus Communication.
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Items |
Contents |
Input |
Rated Voltage Range |
Three-phase 380V¡À15%;
single-phase 220V¡À15% |
Rated Frequency |
50/60Hz |
Output |
Rated Voltage Range |
Three-phase 0¡«380V; Three-phase 0¡«220V |
Frequency Range |
0.50¡«400.0Hz |
V/F Control |
Control Mode |
Linear V/F control;
space voltage vector£«random PWM |
Frequency Resolution |
Max 0.01Hz, adjustment allowed |
Torque Promotion |
Torque Promotion curve (V/F) can be set within 1¡«16; |
Stall Prevention |
Current output is restricted, and threshold current
can be adjusted. |
Overload Capacity |
150% rated current,1minute |
Operation Function |
Frequency Setting |
Potentiometer or external analog signal
(0¡«5V, 0¡«10V, 0¡«20mA); keypad (terminal)
¡ø£¯¨‹ keys, external control logic and PLC setting. |
Start/Stop Control |
Passive contact switch control or
keypad control |
Frequency Change Rate |
0.1¡«3000S (time required for certain frequency change) |
Protection
Function |
Input out-phase, input under-voltage, DC over-voltage, over-current, over-load, current stall, over-heat, external disturbance |
Display |
LED nixie tube showing present output frequency, present rotate-speed (rpm), present output current, present output voltage, present linear-velocity, types of faults, and parameters for the system and operation; LED indicators showing the current working status of inverter. |
Environment
Conditions |
Equipment Location |
Free of tangy caustic gases or dust |
Environment Temperature |
-10¡æ¡«+50¡æ |
Environment Humidity |
Below 90% (no water-bead coagulation) |
Vibration Strength |
Below 0.5g (acceleration) |
Height above sea level |
1000m or below |
Applicable Motor |
0.4¡«630KW |
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