Basic Info.
Mathematical Model
Linear
Function
Automatic Control
Certification
RoHS, ISO: 9001, CE
Customized
Non-Customized
Transport Package
Carton Packing
Specification
size: 64.5*161*170mm
Product Description
Product Description
The new member of the Unimat inverter family, the RV21 smart inverter series, has a compact design, is exquisite and practical, has up to four control modes, and has an overload capacity of up to 200%. It can be widely used in the speed control of various asynchronous motors. The product relies on a 32-bit MCU and adopts the internationally leading vector control algorithm to achieve high-performance and high-precision motor drive control. While improving the reliability and environmental adaptability of the product. it strengthens the customer's ease of use and industry-specific design, with more optimized functions, more flexible applications, and more stable performance.
Four control modes: constant torque V/f, quadratic load V/f, vector control without PG sensor, energy saving model
Compact design, exquisite and practical
Overload capacity: 150% rated output current for 60s. 200% rated output current for 2s
Built-in Modbus communication interface
The panel can be externally connected, easy to use
PCB coating to resist harsh application environments
The side of the plastic shell product has a removable protective plate. which supports side-by-side installation
High-performance vector control using flux and speed estimation technology
Wide voltage range design ensures product adaptability to grid fluctuations
Advanced independent air duct design, adaptable to various complex and harsh on-site environments
Appearance size
Product Parameters
| Basic application functions |
| Low frequency torque boost | The voltage boost and torque boost can increase the low-frequency torque of V/F
control and speed sensorless vector control by about 0.1%~30.0% respectively. |
| V/F Curve | Linear type, multi-point type |
Acceleration
and deceleration curve | Linear or S-shaped acceleration and deceleration; three sets of acceleration and
deceleration time; acceleration and deceleration time range: 0-3200s |
| Automatic Voltage Regulation (AVR) | When the grid voltage changes, it can automatically keep the output voltage constant |
| Built-in PID | Closed-loop control system that can easily realize process control |
| DC braking | DC braking range: 0.0Hz-maximum frequency; braking time: 0.0s-20.0s
Braking action current value: 0%-100% |
| Jog control | The motor can be started and stopped immediately; the inching frequency setting
range is: 0.0-20.0Hz
Inching stop mode: deceleration/free/DC braking |
| Frequency Hopping | You can set 3 frequency hopping points and the corresponding frequency hopping
range to prevent the inverter from running within the frequency band. |
| Multi-speed | Up to 15 operating frequencies can be set via 4 logic input ports |
| Input Sum | The algebraic operation result of 2 analog inputs is used as the frequency setting,
making the frequency setting more flexible |
| 2 sets of motor parameter switching | Two sets of motor parameters can be set and switched freely to match the currently
driven motor |
| Inverter protection | Input/output phase loss protection, underload detection, over-torque protection,
undervoltage protection, overvoltage protection, overcurrent protection, overheating
protection, phase short circuit protection |
| Motor protection | Motor thermal protection, motor current limiting, motor overload, motor short circuit |
| Electrical characteristics |
| Input voltage | Three-phase AC, 380-480V, 50/60Hz or single-phase AC, 200-240V, 50/60Hz |
| Output voltage | 0-100% input voltage, 0.5Hz - 400Hz |
| Control Mode | Constant torque V/F, quadratic load V/F, sensorless vector control, energy-saving mode |
| On-off level | 1.5kHz - 12kHz
The automatic switching frequency adjustment function can be set: when the
temperature rises, the switching frequency is automatically reduced
After the temperature returns to normal, the switching frequency returns to the initial value |
| Overcurrent capability | 150% rated output current for 60s, 200% rated output current for 2s |
| Control signal |
| Frequency setting signal | Integrated operating panel | Membrane switch (button), speed knob (potentiometer) |
| External Signal | UP/DOWN setting, analog input, multi-speed, external panel, serial communication |
Start-stop
control signal | Integrated operating panel | RUN, STOP buttons |
| External Signal | Logic input terminal, external panel, serial communication |
| Protective function |
| Inverter protection | Input phase loss protection, output phase loss protection, underload detection,
over-torque protection, undervoltage protection, overvoltage protection, overcurrent
protection, overheating protection, phase short circuit protection |
| Motor protection | Motor thermal protection, motor current limiting, motor overload, motor short circuit |
| Control circuit characteristics |
Internal power
supply available | 10V
24V | 10VDC ±5%, maximum current 10mA, for reference potentiometer
24VDC ±5%, maximum current 100mA, for logic input port |
| Analog Input | AI1 | Voltage analog input: 0-5VDC, or 0-10VDC, impedance 30k
Current analog input: 0/4-20mADC, impedance 250Ω
Resolution: 10-bit A/D conversion
Factory default setting: 0-5VDC voltage input |
| AI2 | Voltage analog input: 0-10VDC, or PTC probe input
Resolution: 10-bit A/D conversion |
| Logic Input | LI1-LI8 | 0-24VDC power supply
Positive logic (source), negative logic (sink) are optional, the factory default is
negative logic
69 functions are available, including forward, reverse, running, fault reset,
multi-speed, etc.
220V 0.4kw-2.2kw and 380V 0.4kw-0.75kw products only have 6 circuits: LI1-LI6 |
AI1,AI2
Enforce valid input | In inverters below 11kW (inclusive), AI1 and AI2 can be set as logic inputs.
f309 and f310 are mandatory valid inputs, and their configuration functions
are always valid during power-on. |
| Analog Output | AO1,AO2 | Voltage analog output: 0-10VDC, minimum load impedance is 470Ω
Current analog output: 0/4-20mA, maximum load impedance is 700Ω
Resolution: 8 bits
Output frequency, output current, speed setting, serial output data Multiple
functions available
220V 0.4kw-2.2kw and 380V 0.4kw-0.75kw products only have 1 analog
output, namely AO1 |
| Logic Output | LO,CLO | Open collector, maximum current 100mA, maximum voltage 30VDC
Logic output or pulse output is optional, the factory default setting is logic output
Output frequency, output current, speed setting and other output functions are
optional |
| Relay output | T1A,T1B,T1C
T2A,T2B,T2C | T1A is normally open, T1B is normally closed, T1C is a common point
T2A is normally open, T2B is normally closed, T2C is a common point
Contact rating: 5A @ 250VAC, 5A @ 30VDC
Fault, alarm, set frequency arrival and other functions are optional
T1A defaults to failure, T2A defaults to operation
220V 0.4kw-2.2kw and 380V 0.4kw-0.75kw products only have 1 relay output,
namely T1A-T1B-T1C
|
| Serial Communication | MODBUS-RTU, 2-wire RS-485, terminal interface |
| Environmental characteristics |
| Protection level | IP20 | environment humidity | 95% no condensation
or water accumulation |
| Working temperature/storage temperature | "- 10~40ºC /- 20~60ºC | Altitude | Below 1000m |
| cooling method | Forced air cooling | Installation location | Indoor |
Model Selection
Inverter Model
(single-phase S2) | Adaptivemotor
(kW) | Rated input
current (A) | Rated output
current (A) | Overall dimensions(mm) | nstallation Dimensions(mm) |
| H | W | D | H1 | W1 | Aperture |
| RV21-S2-0R4 | 0.4 | 6.3 | 2.5 | 170 | 81 | 142 | 161 | 64.5 | φ5 |
| RV21-S2-0R7 | 0.75 | 11.5 | 5 |
| RV21-S2-1R5 | 1.5 | 15.7 | 7 |
| RV21-S2-2R2 | 2.2 | 27 | 10 |
| | | | | | | | | | |
Inverter Mode
(Three-phase T3) | Adaptive motor
(kW) | Rated input
current (A) | Rated output
current (A) | Overall dimensions (mm) | nstallation Dimensions(mm) |
| H | W | D | H1 | W1 | Aperture |
| RV21-T3-0R4G/0R7P | 0.4 | 2.1 | 1.5 | 170 | 81 | 142 | 161 | 64.5 | φ5 |
| RV21-T3-0R7G/1R5P | 0.75 | 3.6 | 2.6 |
| RV21-T3-1R5G/2R2P | 1.5 | 6.4 | 4.1 |
| RV21-T3-2R2G/3P | 2.2 | 8.7 | 5.5 | 145 | 107 | 160.4 | 135 | 95 | φ5 |
| RV21-T3-3G/4P | 3 | 10.9 | 6.9 |
| RV21-T3-4G/5R5P | 4 | 14 | 9.5 | 200 | 138 | 144.6 | 188 | 124 | φ5 |
| RV21-T3-5R5G/7R5P | 5.5 | 20.7 | 12.6 |
| RV21-T3-7R5G/11P | 7.5 | 26.5 | 18.5 | 232 | 153 | 169.8 | 220 | 139 | φ5 |
| RV21-T3-11G/15P | 11 | 36.6 | 25 |
| Note:If the product is used for permanent magnet synchronous motor,pleaseadd code "E"to the order model. |
Certifications
Company Profile
Packaging & Shipping
FAQ
Q: Are you a trading company or manufacturer?
A: We are a manufacturer of PLC, HMI, and Ubox
Shenzhen headquarters, Wuhan Raynen R&D center, Dongguan production factory
Q: Is customized supported?
A: The PLC supports customized and accepts OEM and the delivery time is about 20 days
Q: Which kinds of the series PLC can be compatible with Siemens
A: Our UN200 /300 /1200 PLC and smart series can compatibility S7-200/ S7-300 / S7-1200 with high quality and nice price
Q: How about the warranty?
A: Unimat provides 36 month's warranty for all the goods, and product lifetime technical support
Q: Do you have any engineers for technical support when buying?
A: Of course. Our support team will help you select products, customize automation solutions, and provide equipment using training and other support you need.
Q: We have not cooperated before, how can we believe you?
A: We sincerely invite you or your domestic agent to visit our company and factory. We have been trustworthy for 20 years.
Q: How about the terms of payment?
A: Generally through T/T, Paypal and Western Union also accept.
Q: What about the shipment?
A: We can arrange shipment by DHL, FedEx, UPS, TNT, and EMS with competitive prices and good service, of course, you can also use your freight forwarders.
Q: What about the delivery time?
A: Normally in 1 Week.
Basic application functions
Address:
1201, Guoxin Investment Building, Hi-tech South No.7 Avenu. Nanshan District, Shenzhen, China
Business Type:
Manufacturer/Factory, Other
Business Range:
Auto, Motorcycle Parts & Accessories, Chemicals, Electrical & Electronics, Industrial Equipment & Components, Instruments & Meters, Manufacturing & Processing Machinery, Metallurgy, Mineral & Energy, Packaging & Printing, Textile
Company Introduction:
History:
UniMAT Automation Technology Co., Ltd established in 2004.
With the philosophy "based on quality, morality, and be surpassing by heart with concentrated attention", we are now in the leading fleet of China Industrial Automation.
Business range:
We focus on the field of core control, create UniMAT brand, self-research and self-production PLC, HMI, servo driver, converter, industry specialized controllers and other automation products.
We also provide systematic comprehensive solutions for equipment production and system integration.
Company profile:
Our enterprise has good relationship with colleges and universities and builds research centers in Shenzhen and Wuhan.
35% of our employees are R&D engineers. All of these help our company win the title of "state-level high-tech enterprise" and "software enterprise".
Application:
Over the past few years, our products are widely used in the field of metallurgy,
Chemical engineering, environmental protection, renewable energy, electric vehicles, logistics etc.
We are dedicated ourselves to develop Chinese high-end equipment manufacturing.
Service:
We pay serious attention to the product quality, providing 3-year free quality warranty for PLC products and 18-month quality warranty for other products.
Sales:
At present, we have set up over 20 branches in Beijing, Shanghai, Guangzhou and other cities to form service site nationwide.
At the same time, our international business has expanded to more than 20 countries and districts,
And won good reputation widely.
Target:
Our mission is using technology to enhance human productivity,
And striving for being a global respected leading enterprise in industry automation field.
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