The ASCON TECNOLOGIC XP SERIES (MOD. XC-31/JAA) is a high-performance, programmable digital temperature and humidity controller designed for demanding industrial and commercial applications. Housed in a compact 78 x 35 mm panel-mount format, this controller offers advanced features such as programmable working cycles and defrost control, making it the ideal solution for climatic chambers, ripening cells, refrigeration units, and HVAC systems.
Built with a robust IP65 front panel rating, the XP Series device is resistant to dust and water jets, ensuring reliable operation in harsh environments like food processing plants or cold storage facilities.
Key Features & Benefits
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Dual LED Display: Features a clear dual-display setup allowing operators to monitor the actual temperature (Process Value) and the target setpoint (Set Point) simultaneously.
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Advanced Defrost Control: Equipped with dedicated defrost management logic. It supports defrost cycles based on intervals, real-time clock, or evaporator temperature, utilizing electric heating, reverse cycle (hot gas), or simple compressor stop methods.
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High Precision & Flexibility: Compatible with PTC and NTC temperature probes as well as 0/4..20 mA humidity probes. The controller offers a wide temperature measurement range from -50°C to 150°C.
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Versatile Control Logic: Supports ON/OFF and PID control actions (single or dual action) with auto-tuning capabilities to eliminate temperature overshoot and maintain stability.
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Configurable I/O: Features up to 4 relay outputs and 3 configurable inputs (probe/digital), allowing it to manage compressors, fans, defrost heaters, alarms, and auxiliary devices.
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Connectivity (Optional): Available with RS-485 Modbus RTU communication (via external module) for integration into building management systems (BMS) or PLC networks.
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Alarm Management: Built-in buzzer for acoustic alarm signaling, plus configurable digital outputs for remote alarms.
Technical Specifications
| Specification | Details |
|---|---|
| Series | XP Series (Model XC-31) |
| Mounting | Panel mount (78 x 35 mm) |
| Display | Dual 4-digit LED display |
| Front Protection | IP65 (dust-tight & water resistant) |
| Input Types | PTC, NTC, 0/4..20 mA (Humidity), Digital input |
| Outputs | Up to 4 relay outputs (configurable) |
| Temperature Range | -50°C to 150°C (-58°F to 302°F) |
| Control Types | ON/OFF, PID (Heat/Cool), Auto-tuning |
| Special Functions | Defrost control, Programmable cycles, Timer, Alarms |
| Communication | TTL (Standard), RS-485 / Modbus RTU (Optional) |
| Power Supply | 100…240 Vac (Standard) |
| Certifications | CE, cULus |
Applications
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Refrigeration and Freezing Units (Beverage coolers, Walk-in freezers)
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Ripening and Seasoning Cells
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Climatic and Environmental Test Chambers
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HVAC Air Handling Units
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Industrial Packing Machines



















