PLC + VFD Control Panel Manufacturer
Custom Industrial PLC + VFD Control Panels
Built-to-Drawing for EPC Contractors, OEMs & Industrial Automation Projects
✅ Project-Based Manufacturing Only ✅ IEC-Compliant Industrial Control Panels
✅ FAT Tested Before Delivery ✅ Built from Customer Drawings & Specifications
Industrial PLC + VFD Control Panel Manufacturer for EPC Projects
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Weimiao specializes in custom-built industrial control panels
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manufactured according to customer drawings
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for EPC contractors, OEMs, system integrators
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no standard products
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project-based fabrication only
Custom-Built According to Client Drawings and Specifications
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DWG review
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BOM integration
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PLC/VFD brand flexibility
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panel fabrication
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FAT
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site installation support
Who We Serve
PLC + VFD Panels for OEMs, EPC Contractors and Industrial Automation Companies
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water treatment EPC
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pump system integrators
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industrial automation contractors
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OEM machinery builders
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process plant projects
Weimiao’s Expertise
Industrial PLC + VFD Control Panel Design, Assembly and Manufacturing
From design to assembly, we build complete PLC + VFD panels tailored to your project.
Factory Acceptance Testing (FAT) for Industrial PLC + VFD Control Panels
Every panel is fully tested before delivery to ensure reliability on site.
IEC & ISO Certified
All panels are built to IEC standards under ISO9001 quality control.
International Project Experience and Global Delivery
With extensive experience in international projects, Weimiao has successfully delivered PLC + VFD control panels to industrial clients worldwide. From shipping and customs clearance to installation guidance, we provide comprehensive support to ensure smooth implementation of projects across the globe.
Key Features and Technical Highlights
Multi-Motor Control Capability
Control multiple motors with precise VFD integration for complex industrial systems.
PLC Logic and Communication Protocol Support
Every PLC + VFD control panel can be customized with control logic and communication protocols such as Modbus, Profibus, and Ethernet. Weimiao provides full programming, testing, and support to ensure seamless integration with existing systems.
Thermal Management and EMC Design
To guarantee long-term reliable operation, Weimiao designs each control panel with optimal thermal management and electromagnetic compatibility (EMC). Efficient airflow, heat sinks, and shielding measures reduce interference risk and improve system stability.
Organized Wiring, Clear Labeling, and Easy Maintenance
Weimiao meticulously manages wiring for every control panel. All cables, terminals, and connection points are clearly labeled for easy installation, commissioning, and maintenance. Neat internal layouts also enhance space utilization and overall aesthetics.
Customizable Process Workflows and Applications
Weimiao’s PLC + VFD panels can be tailored to specific customer process requirements, including multi-pump control in pump stations, water treatment process automation, and energy-saving HVAC operations. Our flexible solutions help clients achieve high-efficiency and reliable automation systems.
Typical Applications of PLC + VFD Control Panels
Pump Control Systems
Ideal for pump stations and water treatment projects.
Our VFD panels ensure smooth start, energy saving and stable flow control.
HVAC & Fan Systems
In HVAC systems, industrial ventilation, and cooling towers, PLC + VFD panels provide stable motor control with VFD technology.
The PLC coordinates operating logic while VFD drives regulate fan and motor speed, reducing energy consumption, noise, and mechanical stress.
Conveyor & Material Handling
For conveyor systems, production lines, and material handling equipment, PLC + VFD control panels enable multi-motor coordination and flexible speed control.
The system supports synchronized operation, load balancing, and process automation, making it suitable for industrial VFD applications in manufacturing and logistics.
Featured Project References
Multi-Drive PLC + VFD Control Panel for Sewage Treatment Pump Station
Weimiao delivered a custom-built PLC + VFD integrated control panel for a municipal sewage treatment pump station.
The system was designed to manage multiple pump motors via independent VFD channels, enabling precise speed control, optimized pump sequencing, and significant energy savings.
The PLC logic coordinates automatic and manual operation modes, alarm handling, and interlocks to ensure stable and reliable operation under varying load conditions.
Technical Highlights:
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Multi-channel VFD integration for pump motor control
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PLC-based pump sequencing and process automation
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Designed for continuous-duty wastewater treatment operation
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Factory Acceptance Test (FAT) completed before shipment
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IEC-compliant electrical design and wiring standards
GGD PLC Control Panel with Siemens & Schneider Integration
In this project, Weimiao engineered and manufactured a GGD-type PLC control cabinet integrating Siemens PLC systems with Schneider electrical components.
The panel demonstrates Weimiao’s capability in multi-brand integration and complex control architecture for industrial automation projects.
The cabinet supports stable communication between control devices and VFD drives, with a clear and well-organized internal layout that simplifies commissioning and long-term maintenance.
Technical Summary:
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Siemens PLC combined with Schneider protection and control devices
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Multi-brand system integration within a single GGD cabinet
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Support for industrial communication protocols (e.g. Modbus)
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Structured wiring layout with clear terminal and cable labeling
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FAT-tested to verify functionality and signal integrity
Industrial Control Cabinet for Water Treatment Plant Machine Room
Weimiao supplied an industrial PLC control cabinet for a water treatment plant machine room, designed to manage pumps, valves, and auxiliary equipment through integrated PLC control and VFD drives.
The cabinet can be housed in Industrial Enclosures or Corrosion-Resistant Enclosures to ensure durability and compliance with IEC standards.
The cabinet focuses on process automation reliability, ease of operation, and maintenance efficiency, making it suitable for long-term operation in demanding water treatment environments.
Technical Description:
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PLC-controlled motor and process automation
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VFD-based speed control for pumps and rotating equipment
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Clear internal wiring, labeling, and component layout
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Designed in accordance with IEC standards
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Manufactured under ISO 9001 quality management system
Industry Applications
Municipal Sewage Treatment
Weimiao PLC + VFD panels provide precise control over pumps and motors in municipal wastewater facilities, improving operational efficiency and energy management while ensuring reliable process control.
Water Treatment and HVAC Systems
Our panels optimize water treatment operations and HVAC systems by integrating PLC logic with VFD motor drives for efficient load management, soft start, and energy-saving operation.
Industrial Manufacturing and Automation Lines
Weimiao PLC + VFD control panels are ideal for manufacturing automation lines, offering multi-motor coordination, process logic integration, and flexible customization for industrial processes.
Pump Stations, Conveyors, and Fan Systems
From pump stations to conveyor systems and industrial fans, Weimiao panels provide reliable VFD control and PLC automation, improving performance, reducing downtime, and enabling precise process control.
Why Engineers Choose Weimiao
✔ Project-based manufacturing only
✔ Fast quotation from drawings
✔ FAT tested before delivery
✔ Experienced in global EPC projects
Upload Your DWG for a Quick PLC + VFD integrated control panel Quote
Send us your DWG or technical drawings, and our engineers at Weimiao will review them to provide an accurate quotation within 24–48 hours.
Contact Weimiao to request a detailed quote for your PLC + VFD integrated control panel. Our engineers will review your requirements and provide a solution tailored to your project.
All files are treated with strict confidentiality — an NDA can be provided upon request.
Accepted formats: DWG, PDF, XLS, DOC
Response time: 24–48 hours
