Autonics TK4S-B4RN PID Temperature Controller (48×48 mm, Heating & Cooling, Relay + Alarm Output)
The Autonics TK4S-B4RN is a 48×48 mm PID temperature controller for heating & cooling control.
It supports thermocouple/RTD inputs with relay control output and relay alarm output for industrial process control.
The Autonics TK4S-B4RN is a 48 × 48 mm DIN-size PID temperature controller engineered for simultaneous heating and cooling control. It supports a wide range of thermocouple and RTD inputs and provides relay control output with a relay alarm output, enabling precise temperature regulation along with alarm signaling for industrial processes.
With fast sampling and stable PID algorithms, the TK4S-B4RN is suitable for OEM machinery and automation panels requiring reliable heating/cooling control with safety alarms.
Standard 48 × 48 mm DIN panel size
Heating & cooling PID control
Supports thermocouple & RTD inputs
Relay control output + relay alarm output
Auto-tuning for PID parameters
High-speed control (fast sampling)
Stable and accurate temperature regulation
Designed for continuous industrial operation
| Parameter | Specification |
|---|---|
| Product Type | PID Temperature Controller |
| Model | TK4S-B4RN |
| Series | TK |
| Panel Size | 48 × 48 mm |
| Sensor Input | Thermocouple / RTD |
| Control Type | Heating & Cooling PID |
| Control Output | Relay |
| Relay Rating | 250 VAC, 3 A (resistive) |
| Alarm Output | 1 Relay Alarm |
| Sampling Rate | ~50 ms |
| Accuracy | ±0.3% of FS |
| Power Supply | 100–240 VAC |
| Operating Temperature | −10 to +50 °C |
| Mounting | Panel Mount |
Plastic processing machines
Temperature-controlled chambers
Industrial ovens & furnaces
Heating & cooling process systems
OEM automation panels
HVAC and thermal equipment
Autonics TK4S-B4RN Temperature Controller
Panel mounting brackets
Instruction manual
Q1. What does “B4RN” indicate in the model number?
“B4” denotes heating & cooling control, “R” denotes relay control output, and “N” denotes relay alarm output.
Q2. Which sensors are compatible?
Supports multiple thermocouple types and RTD (Pt100) sensors.
Q3. Does it support full PID control?
Yes. It supports ON/OFF, P, PI, PD, and PID with auto-tuning.
Q4. Is this suitable for cooling applications?
Yes. The B4 type is specifically designed for heating and cooling control.
Q5. What is the panel cut-out size?
Fits standard 48 × 48 mm DIN panel cut-outs.
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