Gefran 1250
In the world of industrial automation, precision in thermal control is essential to ensure product quality and process efficiency. The Gefran 1250 stands out as one of the most advanced and versatile solutions among 1/8 DIN PID temperature controllers.
In this article, we explore the technical features, advanced functionalities, and advantages that make this instrument a benchmark for industry professionals.
Operator Interface and Customization
One of the key strengths of the Gefran 1250 is its advanced operator interface. It features a large LCD display with black background, with a viewing area of 37x68 mm, ensuring clear parameter readability.
- Customizable Display: You can personalize the colors associated with PV (process variable), SV (setpoint), and F, and even add your own logo on the front panel.
- Diagnostic Messages: The device communicates through scrolling alphanumeric messages (up to 25 messages of 32 characters), configurable in three different languages for easier operator interaction.
- Visual Feedback: An 11-segment bargraph provides immediate visualization of power, delivered current, or valve position.
Easy Setup: “Easy Configuration”
Gefran designed the 1250 controller for quick commissioning thanks to its Easy Configuration feature. This guided procedure allows programming without constantly referring to the manual, thanks to built-in help messages.
Flexibility is further enhanced by the ability to clone configurations between different controllers, even when not powered, using the portable Zapper mini configurator.
For more complex PC-based management, the GF_eXpress software and Smart Configurator function allow you to create parameter recipes by simply answering guided questions about the application.
Advanced Features for Industry 4.0
The Gefran 1250 is not just a temperature controller, but a true machine control hub:
- Preventive Maintenance: Includes counters for monitoring energy consumption (kWh) and load switching cycles, enabling scheduled maintenance before failures occur.
- Advanced Tuning: Autotuning algorithms ensure stable and accurate PID control even in critical or fast thermal systems.
- Application Blocks: Features 16 functional logic blocks (AND, OR, Timer), allowing custom sequence creation and often eliminating the need for small external PLCs.
- Setpoint Programmer: Ideal for processes requiring ramps and soak phases, with models supporting up to 12 steps grouped into 4 programs.
Technical Specifications and Connectivity
The controller offers a fast sampling time of just 60 ms and a universal input configurable for:
- Thermocouples (J, K, R, S, T, C, D)
- RTDs (PT100, JPT100)
- Linear inputs (0…10V, 0/4…20mA)
Output options are highly modular and include:
- Relay outputs
- Logic outputs
- Isolated analog outputs
- Triac outputs
Communication is handled via RS485 serial Modbus RTU, enabling easy integration into industrial networks.
Choosing the right instrumentation is only half the job. Mit.D. is a leading company in the sector, not just as a distributor but as a true technical partner.
We are manufacturers of high-quality electric heaters and temperature sensors, essential components that work in perfect synergy with controllers like the Gefran 1250. With over 40 years of experience in automation, we provide not only individual devices but also complete consulting and integrated systems tailored to every industrial heating and control need.