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PUR-94 D PID Controller with Dual LED Display

Introducing the PUR-94D Precision Controller, an advanced two-step and PID controller with dual-loop capability for heating/cooling applications. It features intuitive ON-OFF or hysteresis control, auto-tuning, and Fuzzy-Logic for top performance. The dual-row display shows real-time measurements and settings. Versatile output options include REL, OC (SSR), and analogue (active/passive). It supports various inputs like mA, V, Pt, and TC, with compensated cold junctions and linearised inputs. Customisable characteristic curves adapt to different systems. Integrates easily with RS-485 for data transmission and configuration, using either local keyboard or S-Config software. Perfect for precision control in various applications.

PUR 94 D PID Controller Product Parameters

  • Output Signal: Dual LED display, red/green or green/red.
  • Accuracy: 0.1% @25°C ± one digit for multiple inputs.
  • Electrical Connections: RS-485, Modbus RTU, not galvanically isolated.
  • Media Compatibility: Compatible with various thermocouples and thermoresistances.
  • Special Features: IP 65 protection class, optional integrated frame.

Product Highlights

The PUR94D is a versatile and efficient PID controller that combines the simplicity of a two-step controller with the advanced features of a PID controller. It features two control loops for heating and cooling, supported by an auto-tuning function and Fuzzy-Logic algorithm. The controller boasts a dual-row display, with the first row showing the measured values and the second row displaying programmed values. It offers multiple output options, including REL, OC (SSR), or analogue output, based on customer preferences. These outputs can be utilised in the control process, with active current output, passive isolated current output, or active voltage output available. The PUR94D controller comes with a universal input, enabling connection with various types of sensors such as mA, V, mV, Pt, or TC inputs. It automatically compensates for the cold junction of thermocouple sensors and provides fully linearised characteristics for RTD and TC inputs. The wide range of characteristic curves, including user-defined and volume characteristics, makes it suitable for diverse process control systems. Configuration can be done through the local keyboard or the free S-Config software using the RS-485 communication port.

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 94 D

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