
TK4L-24CN Autonics Temperature Controller
Autonics TK4L-24CN PID Temperature Controller (48×48 mm, Relay Output)
The Autonics TK4L-24CN is a compact 48×48 mm PID temperature controller with thermocouple/RTD input.
It provides reliable relay output control for cost-effective industrial heating and process temperature applications.
The Autonics TK4L-24CN is a 48 × 48 mm DIN-size PID temperature controller designed for economical and dependable temperature control in industrial automation panels. It supports thermocouple and RTD sensor inputs and offers a relay control output, making it suitable for heaters, ovens, and general process control systems.
The TK4L series is widely used by OEMs and panel builders who require basic PID control with proven reliability at an optimized cost.
Key Features
Standard 48 × 48 mm DIN panel size
Supports thermocouple & RTD inputs
Control modes: ON/OFF, P, PI, PD, PID
Relay control output for heaters/contactors
Auto-tuning for PID parameters
Stable temperature control performance
Cost-effective solution for OEM and panel applications
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | PID Temperature Controller |
| Model | TK4L-24CN |
| Series | TK |
| Panel Size | 48 × 48 mm |
| Sensor Input | Thermocouple (K, J, T, E) / RTD (Pt100) |
| Control Method | ON/OFF, P, PI, PD, PID |
| Control Output | Relay |
| Relay Rating | 250 VAC, 3 A (resistive) |
| Alarm Output | Not available |
| 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 TK4L-24CN Temperature Controller
Panel mounting brackets
Instruction manual
FAQ
Q1. What does “24CN” indicate in the model number?
“24” indicates a 24 VAC/DC power supply, and “C” indicates relay control output. This model does not include an alarm output.
Q2. Which sensors can be connected?
Supports thermocouples (K, J, T, E) and Pt100 RTD sensors.
Q3. Does this controller support PID control?
Yes. It supports ON/OFF, P, PI, PD, and PID control with auto-tuning.
Q4. Is this suitable for heater control?
Yes. It is commonly used for industrial heaters, ovens, and basic process control.
Q5. What is the panel cut-out size?
Fits 48 × 48 mm DIN panel cut-outs.



