Radix Range of PID Controllers

Radix offers a comprehensive range of PID temperature and process controllers designed to suit varying application complexities from basic control to advanced automation.

Our range includes:

Universal input PID controllers supporting a wide range of industrial signals, including: Thermocouples: B, E, J, K, N, R, S, T; RTDs: Pt100 (including variants like Cu53, JPt100); Linear inputs: 0-50 mV, 0-10 V, 4-20 mA. This enables a single controller to handle multiple sensor types without requiring external signal converters
Flexible output configurations including relay, SSR drive, and analog outputs (4-20 mA / 0-10 V) for diverse control applications
Digital inputs enable PID controllers to respond to external signals such as door open detection, remote start/stop, and safety interlocks. They also support functions like alarm acknowledgment, setpoint selection, and run/hold control for enhanced flexibility and safety.
Advanced control versions such as single-loop, dual-loop, heat + cool, and 16-step profile control for complex process requirements
Communication capability via RS485 / Modbus RTU, with Ethernet and Wi-Fi options available in select models for enhanced connectivity and integration.
Radix PID controllers are available in multiple industry-standard DIN panel sizes, as well as in flameproof and weatherproof enclosure options for diverse industrial environments.
Product ranges from economy to full-featured models, enabling selection based on application needs and suitability.

Pricing Range

Radix PID controllers are competitively priced, with models available from economy to full-featured ranges, depending on configuration, input/output requirements, and communication options. For exact pricing and model selection, please contact our sales team.

Key Features of Radix PID Controllers

High Accuracy Control: Ensures precise and stable control with accuracy up to ±0.05% (RTD) and ±0.1% (linear inputs), delivering consistent process performance
Auto-Tuning with Fuzzy Logic: Automatically determines optimal PID parameters, reducing commissioning time and minimising overshoot
Fast Response Time: High-speed sampling rate up to 50 ms (configurable up to 200 ms) enables rapid detection and correction of process disturbances
Dual Display Interface: Simultaneous display of Process Value (PV) and Setpoint (SP) for improved monitoring and operator efficiency
Seamless System Integration: Enables reliable connectivity with PLC, SCADA, and DCS systems for centralised monitoring and control
Compact & Rugged Design: Space-saving panel-mounted design with IP66/NEMA 4X front protection for dependable operation in harsh industrial environments
Versatile Control Configurations: Supports single-loop, dual-loop, and heat + cool control strategies across diverse industrial processes
Engineered for Industrial Reliability: Designed in compliance with relevant IEC standards for safety and EMC, ensuring long-term, stable operation in demanding conditions

Benefits of Using Radix PID Controllers

Improved Process Stability: Minimises fluctuations and oscillations
Higher Product Quality: Ensures consistent output in manufacturing processes
Reduced Energy Consumption: Optimised control reduces waste and inefficiency
Equipment Protection: Prevents overheating, pressure spikes, and system stress
Reduced Manual Intervention: Enables reliable automation and unattended operation
Long-Term Reliability: Designed for continuous industrial use

How Radix PID Controllers Are Used?

Radix’ PID controllers are designed for core industrial process control applications, where precise and stable regulation of critical parameters is essential.

Process Measurement and Control

Temperature control in furnaces, ovens, and heaters
Pressure regulation in process lines and vessels
Flow and level control in industrial systems
Temperature and related process parameter control (where applicable)

Radix PID controllers are engineered to handle temperature, pressure, flow, level, and humidity loops with high accuracy and stability.

Industrial Automation Systems

Integration with PLC/DCS-based control systems via Modbus RTU, BACnet MS/TP, Modbus TCP
Closed-loop control in automated process environments
Multi-loop control for complex industrial processes

These controllers form a critical part of automation architectures, ensuring consistent and repeatable process performance.

OEM Equipment and Control Panels

Machine control panels
Temperature control systems
Custom-built industrial equipment

With support for universal inputs, multiple outputs, and communication protocols, Radix PID controllers are widely used by OEMs for reliable embedded control.

Hazardous and Industrial Environments

Radix PID controllers are designed to operate reliably in demanding industrial conditions, including:

Applications requiring flameproof / explosion-proof solutions
Electrically noisy environments with high interference from industrial equipment
Harsh process conditions involving dust, moisture, and temperature variations

Certain Radix PID controller models are available in flameproof enclosures certified by Petroleum and Explosives Safety Organisation (PESO), making them suitable for hazardous area installations in industries such as oil & gas, chemicals, and pharmaceuticals.

PESO is the Government of India’s regulatory authority responsible for approving equipment used in explosive and hazardous environments, ensuring compliance with strict safety standards for operation in such conditions.

Additionally, Radix PID controllers are designed in line with relevant international standards and are available with CE compliance (model-dependent), supporting safe and reliable deployment in industrial automation systems.

Radix PID controllers are engineered with this philosophy: Deliver predictable, stable, and precise control across real-world operating conditions. Hundreds of thousands of Radix PID controllers also known as Temperature Controllers are in use for over 3 decades, in every possible industry in India. Hundreds of OEMs use these PID Controllers in their equipment. This bears testimony to the reliability of Radix PID Controllers.

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