Learn why SPEL+ is the foundation for precise control of Epson robots and supports automation in many industrial sectors.
Programming Industrial Epson Robots in the SPEL+ Language
SPEL+ (Epson SPEL Plus) is a dedicated programming language for industrial robots from Epson, designed for intuitive operation and high flexibility. It allows engineers to create applications for tasks that require both precision and rapid adaptation to changing processes. At NexaRob, we use SPEL+ to its full extent - from simple pick & place operations, through complex assembly and testing tasks, to advanced projects requiring robot collaboration with vision systems.
Why SPEL+?
- User-friendly syntax: The language was designed so that teams with little programming experience can quickly understand and create code to control the robot.
- Rich motion instructions: SPEL+ supports various operating modes.m.in- point, linear, arc - enabling efficient programming of complex movement sequences.
- Easy integration: Robots equipped with SPEL+ can be seamlessly integrated with other automation systems, sensors or vision solutions, guaranteeing a consistent and comprehensive working environment.
How can NexaRob help?
- Requirements analysis: Together with the client, we define the project goal and the specifics of the process in order to select the appropriate hardware and software solutions.
- Code creation and optimization: We design applications in SPEL+, test them in a simulation environment, and then fine-tune them on the actual production line.
- Training and service support: We provide comprehensive training on how to operate Epson robots, as well as service support, so that your team can independently make minor adjustments and quickly respond to changing production line needs.
See what makes SPEL+ unique and in which processes Epson robots perform best.
Key Features and Application Examples in SPEL+
Although every robotic language aims to enable control of robot movement and logic, SPEL+ stands out for its simplicity in writing code, efficiency in performing tasks, and ease of integration with external systems. Below we present the most important elements and examples of industries where Epson robots are particularly appreciated:
Versatile motion instructions
SPEL+ allows you to define point-to-point (PTP) movements as well as linear and arc paths. This variety of commands makes it possible to create smooth and precise trajectories tailored to the requirements of the process.
Application: Assembly and transfer of small components in electronics, precision packaging in the food industry.
Modular code structure
The code can be divided into procedures, blocks, and functions that handle various tasks (e.g., welding, palletizing, quality control). This makes it easy to manage complex applications.
Application: Production lines where the robot performs several stages of the process, e.g., picking up components, assembling them, and placing them in the target location.
Simple integration with vision systems
Epson robots and the SPEL+ language have been designed with easy communication with cameras, force sensors, or PLCs in mind. This allows for dynamic correction of movement depending on the current situation.
Application: Pick & place tasks with random arrangement of parts, visual inspection checking product quality.
Safety and emergency procedures
SPEL+ provides mechanisms for configuring force and speed limits, as well as defining emergency stop conditions, which are important when working near operators.
Application: Sectors where the protection of the operator and equipment is critical (e.g., automotive, pharmaceutical industry).
Variety of applications
Epson robots are valued for their small size and high precision, which opens the way to work in industries with limited workspace and requiring high accuracy.
Application: Assembly of microelectronics, handling delicate medical products, packaging cosmetics under sterile conditions.
SPEL+ is a language that provides Epson robots with flexibility, efficiency and easy integration with other automation systems. NexaRob supports the implementation of this solution - from consulting and writing code to training and long-term servicing. Thanks to this, your production line can operate efficiently, handling many tasks while maintaining high standards of quality and safety.
Discover the various ways to create code for Epson robots and choose the solution that best suits your process.
Main Modes and Programming Methods in SPEL+
Online, Offline, Teach Pendant and More
Epson robots, controlled in the SPEL+ language, can be programmed in several ways - from editing code directly on the operator panel to offline or remote solutions. At NexaRob, we help you choose the most effective methods for your production line so that implementation and application maintenance are quick, safe and tailored to the needs of the team. Here are the key programming modes:
Teach Pendant (Online Programming)
- Direct control: The operator can set motion points directly on the pendant, which is saved in the SPEL+ code.
- Quick fixes on the line: Ideal for minor changes that do not require a full stop or complex offline editing.
- Limitations: More complex operations may require a careful approach when managing a large number of points and advanced logic takes a lot of time.
Offline Programming (Simulation Environment)
- Working on a computer: SPEL+ code can be created and tested in a simulation environment (e.g., Epson RC+) to reduce the risk of errors on the physical line.
- Time saving: Production can continue in parallel while engineers develop and refine the code. After uploading to the robot, only a short correction is needed.
- Application: Large projects where trajectory optimization and minimizing downtime are a priority.
Online Remote Programming (Network Control)
- Remote access: If the infrastructure is properly secured, the NexaRob team or operators can log in to the Epson controller over the network and make changes to the code remotely.
- Expert support: This allows for quick problem solving and optimization without having to send an engineer on site.
Hybrid Approach
- Combining methods: In practice, the Teach Pendant is often used for simple changes and offline programming for deeper optimization.
- Gradual improvement: The code can be developed iteratively - by testing modified versions in a simulator, and making final adjustments directly on the robot.
Thanks to flexible programming modes in SPEL+, you can adapt the way of working with Epson robots to specific requirements and the frequency of changes on the production line. In the following sections, we will see how these robots integrate with vision systems or sensors, increasing intelligence and safety in the production process.
Learn how Epson robots can use cameras and sensors to actively respond to changing conditions on the production line.
Integration with Vision Systems and Sensors in SPEL+
Epson robots, programmed in the SPEL+ language, are not limited to reproducing statically programmed movements. Thanks to cooperation with external devices - such as vision systems or force sensors - they gain the ability to adapt in real time. Below we show how SPEL+ supports such integrations:
Vision Systems
- Protocols and libraries: Epson offers solutions that enable communication with 2D/3D cameras; SPEL+ allows you to receive data on the position and size of parts.
- Trajectory correction: When products are arranged randomly, the robot can continuously calculate the motion offset, significantly reducing the time required for sorting or pick & place.
Force and Moment Sensors
- Precise assembly: In the case of assembling delicate components, the robot can limit the pressing force to avoid damage.
- Collision detection- After exceeding a set load level, the SPEL+ code can immediately stop the movement and launch emergency procedures.
Additional Axes and Peripherals
- Extended functionality: Epson robots can control additional axes (e.g., rotary tables), and SPEL+ ensures their smooth coordination with the movements of the main arm.
- Flexible approach: The ease of programming is useful when modernizing a production line - just add modules that support new devices to integrate them with the existing code.
Application examples
Food industry
Robots sorting products by shape and size recognized by the camera, gently moving them (force control) to a designated location on the conveyor belt.
Electronics
Assembly of integrated circuits with visual verification of pin arrangement and a force sensor to prevent excessive pressing of the component.
Logistics
Scanning barcodes, dynamically calculating the position of a package and placing it in the appropriate zone increases warehouse throughput.
Thanks to integration with vision systems, force sensors and other peripheral devices, robots Epson w SPEL+ environment can adapt to unforeseen changes on the line. NexaRob supports the entire process - from hardware selection and code writing to implementation and training - so that your company can maximize the potential of automation with Epson robots.
See how SPEL+ code has improved key stages of assembling delicate electronic components.
Automation of Precision Assembly in the Electronics Industry with Epson SPEL+
Here is an example of an implementation in the electronics sector, where Epson robots - programmed in SPEL+ - contributed to a significant acceleration and improvement in the assembly process. In the production of precision elements, not only accuracy but also the ability to quickly adapt to changing models and variants are important.
Context and Main Challenges
- Delicate Components: Even a small excess of force or inaccurate placement could lead to deformation and losses in the form of rejected components.
- Variable assortment: The line handled different device models, which required quick switching to new assembly sequences.
- Limited cycle time: Production had to achieve a specific pace while maintaining low error rates.
Solutions in SPEL+ Code
Modular assembly structure
Each key operation (e.g., tightening screws, aligning a connector) had its own procedure in SPEL+, which facilitated code management and adaptation to new product variants. Motion parameters, such as speed and gripping force, were configurable in an external file, allowing operators to quickly change settings.
Visual inspection and force sensors
The camera recognized the correct positioning of the part, and if a deviation was detected, the robot automatically corrected its trajectory based on the calculated offset. A force sensor prevented damage to the components during assembly - once a set pressure level was exceeded, the movement would stop.
Cycle time optimization
Thanks to offline simulations in the Epson RC+ environment, engineers were able to shorten robot paths, avoiding unnecessary movements. Increasing the speed of movement on straight sections and slowing down where precision was required helped to improve the entire process.
Effects and Benefits
- Fewer rejected parts: Precise force control and visual correction reduced the number of incorrectly assembled components by approximately 25%.
- Reduced cycle time: Smooth speed adjustment, optimally designed trajectories, and a modular approach made it possible to achieve up to a 15-20% improvement in assembly speed.
- Ease of code modification: Operators could independently introduce minor changes in settings and sequences, which shortened the adaptation time for new production orders.
Implementation of SPEL+ in this project proved that Epson robots can effectively perform even the most demanding assembly tasks in the electronics industry. NexaRob supported the investor at every stage - from planning and writing code to training and after-sales support. As a result, the company achieved higher assembly quality and faster production speed.
How to maintain high performance and reliability of applications in SPEL+, while also meeting safety and quality requirements?
Optimization of Codes and Safety Procedures in Epson SPEL+
After implementing the application in the SPEL+ language, it is necessary to ensure continuous improvement and work safety. NexaRob recommends a set of practices that allow Epson robots to operate efficiently and reliably:
Cycle time and motion analysis
- Statistics and logs: The robot can record the number of cycles, the time of individual operations or errors, making it easier for engineers to identify areas requiring improvement.
- Trajectory refactoring: Often, a slight shortening of the path or an increase in motion speed (while maintaining safe limits) allows you to speed up the process without compromising quality.
Code structure and readability
- Modularity: Removing repetitive code fragments by creating common functions reduces the risk of errors and improves the introduction of changes.
- Documentation and naming: Consistent, descriptive variable names (e.g., pPickOffset, nForceLimit) speed up debugging and facilitate teamwork.
Safety and emergency systems
- Robot stop conditions: PacScript enables immediate interruption of movement in the event of a collision, exceeding the safety zone, or excessive torque on the axis.
- Regular safety tests: We recommend periodic checks of the proper functioning of light curtains, scanners, or other protection systems, as well as updating the code in accordance with new industry requirements.
Updates and scalability
- New firmware versions: DENSO sometimes releases improvements or additional features for controllers - it is worth assessing whether they will bring real improvements to your application.
- Workstation expansion: If you plan to increase the number of robots or add more devices (e.g., grippers, positioners), PacScript can be easily extended with new support modules.
Regular code optimization and attention to safety in SPEL+ allow Epson robots work with maximum efficiency and reliability. NexaRob helps companies assess performance, review code, and integrate new solutions - so that the entire production process can evolve along with market needs.
Dispel your doubts about creating and maintaining applications in Epson SPEL+, and learn about our support model.
Frequently Asked Questions
Below you will find answers to frequently asked questions about programming Epson robots in the SPEL+ language. If we do not address your issue here, please contact NexaRob - we will be happy to discuss the details of your project and present individual solution proposals.
Not necessarily. SPEL+ is designed so that people with basic knowledge of control logic can quickly learn it. NexaRob also offers training courses that will help your team efficiently master writing and modifying code.
Epson robots are valued in electronics assembly (due to their precision), the food industry (sorting, packaging) and the pharmaceutical and cosmetics industries (handling delicate products). The versatility of SPEL+ also makes them excellent in other sectors requiring compact, efficient solutions.
Yes. Simulation software (e.g., Epson RC+) allows you to create and initially check SPEL+ code outside the production environment. This helps avoid errors and reduce downtime when launching new solutions.
SPEL+ offers functions that allow communication with cameras (2D/3D) and readings from force sensors. The robot can correct its trajectory in real time, which is useful for precision assembly tasks or sorting objects in different positions.
Most standard Epson models are industrial robots that require the use of enclosures and safety systems (light curtains, scanners). However, there are also cobot models available with human collaboration features. In addition, emergency stop procedures or motion force limitation can be implemented in SPEL+.
It depends on how much your production changes. If you frequently change product types, the code may need to be updated regularly, adjusting motion parameters or sequences. If the process is stable, changes may be less frequent. The modular structure of the code makes it easy to quickly adapt to new tasks.
Yes, we cooperate with a global network of suppliers, including Epson. We help in selecting the appropriate model and hardware configuration, write SPEL+ code, and also provide service support and future line development.
Most of the logic (e.g., modules for pick & place) can be transferred, taking into account differences in range or lifting capacity. NexaRob assists with code migration, so you can avoid downtime and compatibility issues.
We invite you to contact us - by email or phone. NexaRob will be happy to analyze your needs, advise on hardware selection, write and optimize the code in SPEL+, and also provide appropriate training so that your production line operates efficiently and safely.
Do you have more questions?
Contact NexaRob - our specialists will be happy to discuss your production process and develop an efficient, scalable and safe application in Epson SPEL+, perfectly tailored to the challenges of your company.
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