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PUR-99 Two-step Process Controller with Fuzzy logic and Auto-tune

Experience precise temperature control with PUR-99, an advanced PID controller boasting Auto-Tuning and Fuzzy-Logic Algorithm. Combining the simplicity of a two-step controller with the sophistication of PID, PUR-99 ensures optimal performance for heating and cooling applications through its dual control loops. The user-friendly interface displays both measured and programmed values, while the controller offers flexibility with built-in REL, OC (SSR), or analogue output options and supports various input signals like 0/4-20 mA, 0-10V, 0-150 mV, Pt 100/500/1000, or TC (K, S, J, T, N, R, B, E). Accurate measurements are guaranteed with automatic cold junction compensation and fully linearised characteristics for RTD and TC inputs. Moreover, the PUR-99 controller adapts seamlessly to diverse process control systems, offering a wide range of characteristic curves and an RS-485 port for efficient data transmission. Configuration is effortless through the local keyboard or user-friendly S-Config software via the RS-485 communication port. Unlock precise control with PUR-99, the ultimate solution for temperature control needs.

PUR 99 Process Controller Product Parameters

  • Output Signal: Dual colour LED display; supports current, voltage, thermoresistance, and thermocouple inputs.
  • Accuracy: 0.1% @25°C for most inputs; varies for different thermocouple types.
  • Electrical Connections: Power supply options: 19V-50V DC, 16V-35V AC, 85-260V AC/DC.
  • Process Connections: Multiple input resistance options for different signal types.
  • Special Features: Binary and analogue output options, RS-485 communication interface, operating temperature range of 0°C to +50°C (standard), protection class IP 65 (front) and IP 20 (case), panel mounting design. 

Product Highlights

The PUR99 Process Controller is a versatile device that combines a two-step controller with an advanced PID controller. It features two control loops for heating and cooling, supported by auto-tuning and Fuzzy-Logic algorithm. The controller offers a user-friendly interface with two rows of display, showing real-time measurements and programmed values. It provides flexible output options, including REL, OC (SSR), or analogue output, and supports various input types such as 0/4-20 mA, 0-10V, 0-150 mV, Pt 100/500/1000, or TC (K, S, J, T, N, R, B, E). With linearised characteristics for RTD and TC inputs and a wide range of characteristic curves, the controller can be used in different process control systems. It also includes a 24V DC / 100 mA output for powering measuring transducers and an RS-485 port for data transmission. Configuration can be done through the local keyboard or S-Config software via the RS-485 communication port. The PUR99 Process Controller offers reliable and precise control for various applications.

Features

  • ON-OFF hysteresis, Fuzzy PID, Auto-tuning
  • Dual LED display:
    • PV – measured value
    • SV – setpoint value
  • Universal input: 0/4-20 mA, 0-10V, 0-150 mV, RTD or TC
  • REL 5A / OC (SSR) outputs
  • Analogue output: active or passive, power supply output: 24V DC
  • RS-485 / Modbus RTU in standard
  • Signal peak value detection
  • Free configuration software S-Config

To download the latest datasheet click here: PUR 99

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