Sanket Electrotech
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Sanket Electrotech
High performance and high precision three phase variable frequency drive VFD. Adopts international advanced vector control algorithm Use the latest generation TI DSP, its computing speed increases 50%.Support various PG card and electrical motors.
| Item | Specifications | ||
| Torque limit and control | (Excavator characteristics) It can limit the torque automatically and prevent frequently over current tripping during the running process. Torque control can be implemented in the VC mode. |
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| Individualize d functions | High performance | Control of asynchronous motor is implemented through the high-performance current vector control technology. | |
| Instant power off not stop | The load feedback energy compensates the voltage reduction so that the frequency inverter can continue to run for a short time. | ||
| Rapid current limit | To avoid frequently over current faults of the frequency inverter. | ||
| Timing control | Time range: 0.0~6500.0 minutes | ||
| Multiple communication protocols | Currently supports communication bus via Modbus-RTU and later will support PROFIBUS-DP, CANopen , etc. | ||
| Motor overheat protection | The optional I/O extension card enables AI3 to receive the motor temperature sensor input (PT100, PT1000) so as to realize motor overheat protection. | ||
| Multiple encoder types | It supports incremental encoder and encoder such as differential encoder, open-collector encoder, resolver, UVW encoder, and SIN/ COS encoder. | ||
| Advanced background software | It supports the operation of frequency inverter parameters and virtualoscillograph function, by which the state of frequency inverter can be monitored. | ||
| Run | Running command giving | key panel Control terminals Serial communication port You can switch between these giving in various ways. | |
| Frequency giving | There are 10 kinds frequency giving: digital setting, analog voltage setting, analog current setting, pulse setting, serial communication port setting, panel potentiometer, etc. You can switch between these giving in various ways. | ||
| Auxiliary frequency giving | There are 10 kinds auxiliary frequency giving. It can implement tiny tuning of auxiliary frequency and frequency synthesis. | ||
| Input terminal | Standard: 5 digital input (DI) terminals, one of which supports up to 100 kHz high-speed pulse input 2 analog input (AI) terminals, support 0V~10 V voltage input or 0 mA~20 mA current input Expanding capacity: 5 DI terminals 1 AI terminal supports -10V~10 V voltage input. |
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| Standard functions | Maximum frequency | 0~3200.00Hz | |
| Carrier frequency | 0.5–16 KHz(The carrier frequency is automatically adjusted based on the load features.) | ||
| Input frequency resolution | Digital setting: 0.01 Hz Analog setting: maximum frequency x 0.025% | ||
| Control mode | Sensor-less flux vector control (SFVC) Closed-loop vector control (CLVC) (+PG Card) Voltage/Frequency (V/F) control |
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| Startup torque | G type: 0.3Hz/150% (SFVC) ; 0 Hz/180% (CLVC) P type: 0.5Hz/100% |
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| Speed range |
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| Speed stability accuracy |
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| Torque control accuracy | ±5% (CLVC) | ||
| Overload capacity | G type: 60s for 150% of the rated current, 3s for 180% of the rated current P type: 60s for 120% of the rated current, 3s for 150% of the rated current |
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| Torque boost | Auto boost; Manual boost: 0.1%~30.0% |
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| V/F curve | Straight-line V/F curve Multi-point V/F curve N-powerV/F curve (1.2-power, 1.4-power, 1.6-power, 1.8-power, square) |
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| V/F separation | Two types: complete separation; half separation | ||
| Acceleration/dec eleration curve | Straight-line ramp S-curve ramp Four groups of acceleration/deceleration time with the range of 0.00s~65000s |
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| Standard functions | DC braking | DC braking frequency: 0.00 Hz ~ maximum frequency Braking time: 0.0~100.0s Braking trigger current value: 0.0%~100.0% |
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| JOG control | JOG frequency range: 0.00Hz~50.00 Hz JOG acceleration/deceleration time: 0.00s~65000s |
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| Built-in PLC, multiple speeds | It realizes up to 16 speeds via the simple PLC function or combination of DI terminal states. | ||
| Built-in PID | It realizes closed loop control system easily. | ||
| Auto voltage regulation (AVR) | It can keep constant output voltage automatically when the mains voltage fluctuation. | ||
| Overvoltage/ Over current stall control | The current and voltage are limited automatically during the running process so as to avoid frequently tripping due to overvoltage/over current. | ||
| Rapid current limit function | It can auto limit running current of frequency inverter to avoid frequently tripping. | ||
| Type | Terminal Symbol | Terminal Name | Terminal function description |
| Power Supply | +10V-GND | External +10V power supply | Provide +10V power supply to external unit. Maximum output current:10 mA Generally, it provides power supply to external potentiometer with resistance range of 1 kO~5kO |
| +24V-COM | External +24V power supply | Provide +24 V power supply to external unit. Generally, it provides power supply to DI/DO terminals and external sensors. Maximum output current: 200 mA |
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| PLC-+24V | External power supply | The factory default setting is connected PLC with +24V terminal. When using the external signal to drive DI1~DI5, it will disconnect the connector slip of PLC | |
| Analog input | AI1-GND | Analog input terminal 1 | 1. Input range: DC 0V~10V/ 0mA~20mA, decided by jumper J12 on the control board 2. Impedance: 22 kO (voltage input), 500 O (current input) |
| AI2-GND | Analog input terminal 2 | 1. Input range: DC 0V~10V/ 0mA~20mA, decided by jumper J5 on the control board 2. Impedance: 22 kO (voltage input), 500 O (current input) |
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| Digital input | DI1 | Digital input 1 | 1. Optical coupling isolation, compatible with dual polarity input 2.Input Impedance: 2.4 kO 3. Voltage range for level input: 9V~30 V |
| DI2 | Digital input 2 | ||
| DI3 | Digital input 3 | ||
| DI4 | Digital input 4 | ||
| DI5/HDI | High Speed Pulse Input Terminal | Besides features of DI1~DI4and it can be used forhigh-speed pulse input. Maximum input frequency: 100 kHz |
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| Analog output | AO1-GND | Analog output terminal 1 | Voltage or current output is decided by jumper J4. Output voltage range: 0V~10 V Output current range: 0mA~20 mA |
| AO2-GND | Analog output terminal 2 | Voltage or current output is decided by jumper J5. Output voltage range: 0V~10 V Output current range: 0mA~20 mA |
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| Digital output | DO1-CME | Digital output 1 | Optical coupling isolation, dual-polarity open collector output Output voltage range: 0V~24 V Output current range: 0mA~50 mA Note that CME and COM are internally insulated, but they are shorted by jumper externally by factory default. In this case DO1 is driven by +24 V, If you want to drive DO1 by external power supply, please remove jumper between CME and COM. |
| FM- COM | High Speed Pulse Output Terminal | It is set by b4-00 (FM terminal output modeselection) As high-speed pulse output, the maximum frequency achieves to 100 kHz. As open-collector output, its function is thesame as that of DO1. |
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| Relay output | TA-TB | NC terminal | Contact driving capacity: 250 VAC, 3 A, COSШ = 0.4 DC 30 V, 1 A |
| TA-TC | NO terminal |
