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PUR-44 D PID Controller with Dual LED Display

Experience the advanced PUR-44D, a two-step controller with PID features. It includes a dual-row display, various output options (REL, OC, analogue), and universal input compatibility. The controller automatically compensates for cold junctions and offers full linearisation for RTD and TC inputs. It’s adaptable with a wide range of curves for different systems and configurable via keyboard or RS-485 with S-Config software. Elevate your control systems with PUR-44D.

PUR 44 D PID Controller Product Parameters

  • Output Signal: Options include REL, OC (SSR), and analog (active/passive).
  • Accuracy: ±0.1% at 25°C; varies based on input type.
  • Electrical Connections: Supports various inputs like mA, V, mV, RTD, TC.
  • Special Features: Dual display, universal input, automatic compensation, linearized characteristics, RS-485 withModbus RTU, and PID with auto-tuning.


Product Highlights

The PUR44D PID Controller is a dual-function device, acting as a simple two-step controller (ON-OFF or hysteresis controller) and an advanced PID controller. It supports two control loops for heating and cooling and is equipped with auto-tuning and Fuzzy-Logic algorithms. The controller features a dual-row display, presenting measured values in the first row and programmed values in the second. It offers a choice of output options, including built-in REL, OC (SSR), or analogue output, such as active current, passive isolated current, or active voltage output, catering to customer preferences. The PUR44D controller is compatible with a universal input, accommodating various signal types like 0/4-20 mA, 0-10V, 0-150 mV, Pt 100/500/1000, or TC (K, S, J, T, N, R, B, E). It compensates for the cold junction of thermocouple sensors automatically and provides linearised characteristics for RTD and TC inputs. The controller can be easily configured using the local keyboard or the free S-Config software through the RS-485 communication port.


  • 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 44 D

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