Automation bulk handling conveyor systems
- Energy-efficient drive
- Safe STO/SS1 functions
- Robust panel construction
Bulk handling conveyor control
A reliable bulk handling conveyor control with variable speed drives is essential for efficient and safe movement of large quantities of material. Using variable speed drives not only reduces energy consumption, but also extends the life of mechanical components. In sectors such as ports, recycling and food & feed, accurate control is also a prerequisite for continuity and process safety. Gerbin Control supplies control cabinets and control panels that comply with standards such as NEN-EN 60204 and NEN-EN 61439, and integrates safety functions such as STO and SS1.
Paneelbouw Pioniers voor Machinebouw
Met de precisie van een horlogemaker en de souplesse van een acrobaat, zet Gerbin Control zich in voor het creëren van maatwerk elektrotechnische panelen voor de machinebouw. Als veerkrachtige speler in de paneelbouw, schakelen we snel, zonder in te boeten op kwaliteit of duurzaamheid. Stap in onze wereld van innovatie en ontdek hoe we uw machinebouw-projecten naar een hoger niveau kunnen tillen.
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What are bulk handling conveyor control systems?
A bulk handling conveyor controller controls the drive and operation of conveyor systems that move large quantities of materials, such as grain, sand, ores or waste streams. Variable-frequency drives (VFDs) allow the speed to be precisely adjusted, improving flow control and reducing wear and tear on the system. The control panels often consist of rugged stainless steel or steel plate control cabinets that integrate the drive modules, PLCs and safety modules. For environments with dust explosion hazards, this can be combined with solutions conforming to ATEX 114.
Important standards and guidelines
NEN-EN 60204-1
This standard describes safety requirements for the electrical equipment of machinery. For conveyor systems, this means that wiring, protective devices and switches must be correctly designed and tested. Consider cable coding, proper sizing and overload protection.
NEN-EN 61439
This standard deals with low-voltage switchboards and control cabinets in which variable speed drives and protection devices are placed. Type and routine verification ensure that panels meet short-circuit resistance, heat management and isolation distances.
Safety functions (STO/SS1)
In AC drive control, Safe Torque Off (STO) and Safe Stop 1 (SS1) play an important role. These allow motors to be stopped safely without the main switch having to de-energize everything, increasing both safety and productivity.
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Applications in industry
Conveyor controls with variable speed drives are used in a variety of bulk handling processes:
- Ports and terminals.: transshipment of coal, ore, sand or grain.
- Recycling Plants: separation and transportation of waste streams.
- Food & feed: transportation of flour, seeds and grains.
- Chemicals and petrochemicals: processing of powders and granules.
In all these sectors, redundancy plays a crucial role. Panel builders often integrate dual power supplies or parallel controls to ensure process continuity.
Advantages of variable speed drive control in bulk handling
The use of variable speed drives offers distinct advantages:
- Energy efficiency: motors no longer run at full power, but matched to the load.
- Less wear: soft starts and stops reduce mechanical stress on bearings and conveyors.
- Better process control: precise control of belt speed prevents accumulation or blockages.
- Improved safety: integration of STO/SS1 and PLC control increases reliability.
- Flexibility: easy integration with protocols such as Profinet and Modbus.
The process from design to commissioning
At Gerbin Control, every bulk handling project goes through a structured process:
- Design & engineering – panel design in EPLAN, including thermal calculations and short-circuit resistance.
- Panel construction – Construction of robust control cabinets according to NEN-EN 61439 and NEN-EN 60204-1.
- Software development – PLC programming and integration of variable speed drives with functions such as STO/SS1.
- Testing & verification – routine testing, SCCR calculation and FAT (Factory Acceptance Test).
- Installation & commissioning. – field wiring, SAT (Site Acceptance Test) and handover with declaration of conformity.
This approach creates an operating system that is not only reliable and secure, but also future-proof with open communication protocols and extensible functionality.
Years of experience in the field of industrial automation
Efficiency and reliability in industrial automation
With Gerbin Control as your partner, you benefit from several specific advantages. We strive for reduced Total Cost of Ownership (TCO) and offer electrical components that meet the highest standards. In addition, we combine flexibility with competitive pricing, increase the efficiency of your systems and machines, and have an international network and UL/CSA certification.
Gerbin Control as your partner for conveyor control
In bulk handling projects, reliability, safety and flexibility are indispensable. Gerbin Control combines panel construction, inverter integration and advanced PLC programming into one complete system. Thanks to our experience with NEN-EN 60204-1 and NEN-EN 61439, we deliver control panels that comply with all relevant standards and are ready for demanding applications in industry.
Our engineers design and build switchgear that can withstand harsh environments, with features such as Safe Torque Off (STO) and redundant power supply. In addition, we provide a full chain approach: from design in EPLAN, through FAT and SAT, to commissioning and documentation. This ensures that your conveyor installations remain safe, energy-efficient and continuously operational.
Want to know more about how we can help you with conveyor control for bulk handling? Feel free to contact Gerbin Control for a technical consultation or a no-obligation quote.
Frequently asked questions about conveyor control
What advantages does variable speed drive control offer in bulk handling?
An AC drive makes it possible to precisely control the speed of conveyors. This ensures constant product flow, reduced mechanical wear and tear, and lower energy consumption. In addition, functions such as STO (Safe Torque Off) and SS1 (Safe Stop 1) can be easily integrated to ensure safety.
What standards apply to conveyor control panels?
For conveyors in bulk handling, the NEN-EN 60204-1 (electrical equipment of machines) and the NEN-EN 61439 (switching and distribution devices) apply. Depending on the application, ATEX guidelines may also apply if the installation is located in a hazardous area.
How is redundancy applied in conveyor control?
For critical processes, redundancy is built in to prevent downtime. Examples include dual power supplies, parallel-connected frequency converters or failover control. This increases operational reliability and makes the system more resistant to failures.
Can conveyor controls be interfaced with SCADA or MES systems?
Yes, modern control panels are often equipped with communication protocols such as Profinet, Modbus TCP or OPC UA. This allows conveyors to be easily linked to higher levels of automation for monitoring, data analysis and optimization of production processes.
What factors determine the choice of an AC drive for conveyors?
The choice depends on motor power, load, desired control strategies (such as soft start or dynamic braking) and safety requirements. Environmental factors, such as dust, moisture or temperature, also play an important role in determining the right AC drive and associated control cabinet.
