
TK4S-24CN Autonics Temperature Controller
Autonics TK4S-24CN PID Temperature Controller (48×48 mm, Relay Output)
The Autonics TK4S-24CN is a 48×48 mm PID temperature controller with thermocouple/RTD input.
It provides stable relay output control for industrial heating and general process temperature applications.
The Autonics TK4S-24CN is a 48 × 48 mm DIN-size PID temperature controller designed for reliable and consistent temperature control in industrial automation systems. It supports thermocouple and RTD sensor inputs and provides a relay control output, making it suitable for heaters, ovens, furnaces, and general process control.
The TK4S series offers improved stability and performance over entry-level controllers, making it a preferred choice for standard industrial applications.
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
Improved stability vs economy models
Designed for continuous industrial operation
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | PID Temperature Controller |
| Model | TK4S-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 | ±0.3–0.5% of FS |
| Power Supply | 24 VAC / 24 VDC |
| Operating Temperature | −10 to +50 °C |
| Mounting | Panel Mount |
Applications
Industrial heaters
Ovens and furnaces
Packaging and sealing machines
Plastic processing equipment
OEM automation panels
General temperature control systems
What’s in the Box?
Autonics TK4S-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 are supported?
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 widely 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.



