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PLC-Controlled Inverter for Speed Control with Modbus Communication and Programmable Ramp Profiles
US$1.00-9,999.00
1 Piece
Product profile
Customization
AvailableApplication
Three Phase Transducer, General TransducerOutput Type
SingleModel NO.
zhongping79vfd37Principle of Work
V/F Control TransducerSwitch Mode
PWM ControlMain Circuit Type
VoltageVoltage of Power Supply
Low Voltage Variable-Frequency DriveLink of Transformation
AC-DC-AC Variable-Frequency DriveNature of DC Power
Current Variable-Frequency DriveFunction
Energy Conservation and Efficiency EnhancementBrand
OtherTransport Package
CartonSpecification
4.1KGTrademark
SchneiderOrigin
ChinaHS Code
8504409999Production Capacity
1000PCS/YearKey features
Modbus Communication Support: Enables seamless two-way communication via Modbus RTU/TCP for comprehensive monitoring and control.
Programmable Ramp Profiles: Allows customizable acceleration and deceleration times to prevent mechanical stress and ensure stability.
Flexible Control Inputs: Supports Modbus commands, analog voltage (0-10V), and analog current (4-20mA) signals for versatile design.
Enhanced Energy Efficiency: Precise speed control reduces power consumption significantly compared to fixed-speed operation.
Robust Industrial Reliability: Built with industrial-grade components to withstand harsh environments and ensure long-term operation.
Advanced Diagnostic Capabilities: Provides real-time status, fault codes, and operational data for advanced troubleshooting via PLC.
Wide Voltage Compatibility: Compatible with standard industrial voltage ranges including 230V, 480V, and 690V AC.
Full Customization Available: Offers full customization, minor customization, and flexible customization options from samples or designs.
Company profile
CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤2.48h
AI-Powered supplier vetting
SummaryThe supplier is identified as a professional technical supplier providing 3D software design, ODM, industrial automation, product sales, installation, commissioning, maintenance, and repair services. It supports extensive customization and has documented finished-product inspection instructions, quality assurance, and stated lead times within 15 working days in both peak and off-peak seasons. However, it has no overseas showrooms, agents, branches, or offline trade-show experience, and no new products were developed in the past year. Supplier-management, corrective-action, and complaint-handling procedures exist but lack written records. Certification is listed as NIL, quality-control staffing is below five, and R&D engineer experience totals two years. Export activity is established, with 31%–40% of sales from exports and three years of export experience. Evidence of specific customer cases is not provided.
Supplier typeThe supplier explicitly identifies itself as a professional technical supplier and provides industrial automation-related one-stop services, including product sales, solutions, installation and commissioning, maintenance, and repair. Its stated focus covers cement, packaging, printing, rubber, textile, and machine-tool industries.
CertificationsSupplier management system certification is explicitly recorded as NIL. The provided information therefore does not demonstrate possession of relevant certifications.
After-Sales capabilityThe supplier states that it provides installation, commissioning, maintenance, and repair services and has a quality-assurance system. However, it has no overseas showroom, agent, or branch, and its complaint-handling procedure has no written records, limiting evidence of formalized after-sales execution.
Production capacityThe supplier reports lead times within 15 working days during both peak and off-peak periods, maintains written and uniformly followed finished-product inspection instructions, and lists annual production output above the stated threshold. Nevertheless, quality-control staffing is below five and the service-capability assessment procedure has no records.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same capability is confirmed in two slices, providing direct evidence of broad customization coverage.
Product Q&A
Q:How do I establish Modbus communication between my PLC and this inverter?
A:
You will need to configure the Modbus parameters (e.g., baud rate, parity, slave ID) on both the PLC and the inverter to be identical. Ensure correct RS-485 wiring for Modbus RTU or use Ethernet for Modbus TCP. Consult the device manuals for specific register addresses for commands and status monitoring.
Q:Can I control the motor's acceleration and deceleration ramps using the PLC via Modbus?
A:
Yes, many inverters allow control of ramp parameters through Modbus registers. However, for the smoothest ramp profiles, utilizing the inverter's built-in programmable ramp function is often recommended as it operates independently of PLC scan times.
Q:What is the typical response time for commands sent over Modbus?
A:
Modbus communication speed depends on the baud rate, network load, and PLC scan time. Typically, for Modbus RTU, response times can range from tens to hundreds of milliseconds. Modbus TCP over Ethernet can offer faster communication.
Q:What is the maximum number of inverters I can connect to a single PLC using Modbus RTU?
A:
Using Modbus RTU over RS-485, a single master (PLC) can typically communicate with up to 247 slave devices (inverters), though practical limits may be lower depending on network conditions and response time requirements.
Q:How do I ensure the ramp profile is smooth when controlling speed via Modbus?
A:
To achieve a smooth ramp, configure the inverter's internal ramp function. If PLC control is necessary, minimize the steps in your PLC program by sending setpoint updates at a very high frequency, or consider using an analog signal if the inverter supports it for inherently smoother control.
Send Inquiry
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Beijing Zhongping Technology Co., Ltd.
Beijing Zhongping Technology Co., Ltd.*Content:
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