This device is an advanced frequency conversion speed regulation device launched based on the summary of current frequency conversion speed regulation tr*ning teaching equipment . This tr*ning device provides an advanced operating platform for frequency conversion technology tr*ning and assessment. The frequency converter uses the widely used Mitsubishi FR-A540-0.75K frequency converter (users can also choose other brands of frequency converters, the price is negotiable), with an RS485 communication interface. The tr*ning platform can complete the relevant teaching tr*ning of the "Frequency Conversion Speed Regulation Technology" course. In particular, the system provides open practical tr*ning teaching, which can fully cultivate students' practical ability and lay a solid foundation for participating in employment positions.
2. Technical performance
1. Input power: three-phase four-wire (or three-phase five-wire) ~ 380V ±10% 50Hz
2. Working environment: temperature -10℃~+40℃, relative humidity <85% (25℃)
3.Device capacity: <0.5KVA
4. Weight: <110Kg
5. Overall dimensions: 1600mm×750mm×1300mm
6. Safety protection: It has leakage voltage and leakage current protection devices, and is safe and in line with national standards.
3. Device composition
The tr*ning device consists of a control panel, a tr*ning table, a frequency conversion tr*ning component, a relay contact tr*ning component, a digital/analog input and output given indication component, a three-phase asynchronous motor , a motor guide r*l, a speed measuring mechanism, etc.
(1) Control screen (iron double-layer matt dense pattern spray-p*nted structure, aluminum panel)
1. AC power control unit
The three-phase four-wire 380V AC power supply supplies power to the device through the *r switch. The grid voltmeter monitors the grid voltage and is protected by an illuminated fuse. The power supply of the control panel is controlled by a key switch and a start-stop switch.
Provides one set of three-phase four-wire 380V and single-phase 220V power supplies. The output is controlled by a start-stop switch and is protected by a fuse.
2. DC power supply, DC voltage/ammeter, logic output and indication, etc.
DC voltage: 0~10V adjustable output; DC current: 4~20mA; DC digital voltmeter/ammeter; voltmeter range 0~200V, input impedance 10MΩ, accuracy 0.5 level; ammeter range 0~200 mA, accuracy 0.5 level ;At the same time, it is equipped with inching, self-locking buttons, logic switches, DC 24V relays, and 1K potentiometers.
3. Relay contact tr*ning components
Three AC contactors and one time relay are provided. All terminals of the above devices have been led to the panel, and the operator can completely wire them freely. The practical tr*ning features are obvious.
4. Frequency converter tr*ning module
The device adopts Mitsubishi FR-A740-0.75K high-performance inverter, with three-phase 380V AC power supply, built-in EMC filter, and output power of 0.75KW. Integrated RS485 communication interface, with working modes such as V/F control, sensorless vector speed/torque control, closed-loop high-precision torque/speed/position control; integrated 12-channel digital input/9-channel digital output, 3-channel analog Quantity input/2 analog outputs; equipped with protection functions such as input phase loss, insufficient voltage, overvoltage short circuit, instantaneous power outage, disconnection detection, position error, and stall prevention.
All terminals of the frequency converter have been led to the panel, and the system is completely open. The operator can build different frequency conversion speed control systems, wiring design, line direction, and realize control functions, which can also exercise the operator's hands-on ability.
(2) Three-phase squirrel cage asynchronous motor: AC 380V/△
(3) A set of motor guide r*ls and photoelectric encoder
(4) Tr*ning table
The tr*ning table is made of iron with a double-layer matte dense spray-p*nted structure. The desktop is made of fireproof, waterproof, and wear-resistant high-density board. There are two large drawers (with locks) on the left and right for placing tools and information. The computer desk is connected Body design, beautiful appearance.
4. Practical tr*ning projects
Relay contact control tr*ning
1. Three-phase asynchronous motor inching control and self-locking control
2. Three-phase asynchronous motor Y/△ switching start control
3. Three-phase asynchronous motor interlocking forward and reverse control
4. Three-phase asynchronous motor delay forward and reverse control
Frequency conversion control tr*ning
5. Frequency converter function parameter setting and operation 6. Frequency converter alarm and protection functions 7. Multi-stage speed selection and frequency conversion speed regulation 8. External terminal jog control 9. External terminal remote control 10. Control motor running time operation 11. Control motor forward and reverse motion control 12. Voltage/current monitor signal output and display |
13. Instantaneous power outage inverter parameter setting 14. External analog quantity (voltage/current) frequency conversion speed regulation 15. RS485 communication based on frequency conversion speed regulation 16. Frequency conversion speed control based on triangular wave 17. Frequency conversion speed regulation of three-phase asynchronous motor 18. Frequency conversion constant pressure water supply simulation control 19. Planer simulation control (multi-speed selection)
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MCGS configuration monitoring
20.Linear acceleration and deceleration control and display
21. Real-time curve of frequency conversion speed control based on triangle wave
22. Real-time curve of variable frequency speed regulation of three-phase asynchronous motor
23. Real-time collection and display of voltage, current, power and speed during three-phase asynchronous motor frequency conversion and speed regulation
MCGS industrial control configuration network communication tr*ning based on RS485
Hot-selling product: Electrician tr*ning bench
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Phone18916464525
ADD:Factory 414, District A, No. 6, Chongnan Road, Songjiang Science and Technology Park, Shanghai ICP: Sitemap