
TCN4L-24R Autonics Temperature Controller
Autonics TCN4L-24R PID Temperature Controller (48×48 mm, Relay Output)
The Autonics TCN4L-24R is a compact 48×48 mm PID temperature controller with thermocouple/RTD input and relay output.
Designed as an economical, reliable solution for industrial heating and general process temperature control.
The Autonics TCN4L-24R is a 48 × 48 mm DIN-size PID temperature controller from the TCN series, optimized for cost-effective and stable temperature control. It supports thermocouple and RTD inputs and provides a relay control output, making it suitable for heaters, ovens, and general industrial process control.
TCN4L models are widely used in OEM panels where reliable PID control is required with simplified features and compact installation.
Key Features
Standard 48 × 48 mm DIN panel size
Single display for PV/SV indication
Supports thermocouple and RTD sensor inputs
Control modes: ON/OFF, P, PI, PD, PID
Relay control output for heaters/contactors
Auto-tuning for PID parameters
Stable control performance with economical design
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | PID Temperature Controller |
| Model | TCN4L-24R |
| Series | TCN |
| Panel Size | 48 × 48 mm |
| Sensor Input | Thermocouple (K, J, T, E, N) / RTD (Pt100) |
| Control Method | ON/OFF, P, PI, PD, PID |
| Control Output | Relay |
| Relay Rating | 250 VAC, 3 A (resistive) |
| Sampling Rate | Approx. 100 ms |
| Display Accuracy | ±0.5% of FS |
| Power Supply | 24 VAC / 24 VDC |
| Operating Temperature | −10 to +50 °C |
| Mounting | Panel Mount |
Applications
Industrial heaters
Packaging and sealing machines
Plastic processing equipment
Ovens and furnaces
OEM automation panels
General process temperature control
What’s in the Box?
Autonics TCN4L-24R Temperature Controller
Panel mounting brackets
Instruction manual
FAQ
Q1. What does “24R” indicate in the model number?
“24” denotes a 24 VAC/DC power supply, and “R” denotes relay output.
Q2. Which sensors are compatible?
Supports thermocouples (K, J, T, E, N) and Pt100 RTD.
Q3. Is PID control supported?
Yes. ON/OFF, P, PI, PD, and PID modes are available with auto-tuning.
Q4. Is this suitable for heater control?
Yes. Commonly used for industrial heater and oven control.
Q5. What is the panel cut-out size?
Fits 48 × 48 mm DIN panel cut-outs.



