Autonics TK4L-24RN Temperature Controller
The Autonics TK4L-24RN Temperature Controller offers ON/OFF, P, PI, PD, PID control method, 100-240VAC~ 50/60Hz power supply, 4-digit 7-segment LED, 50ms. Manufactured by Autonics under the Autonics Temperature Controller category, this model belongs to the TK Series.
| Brand | Autonics |
| Product Type | Temperature Controller |
| Model Number | TK4L-24RN |
Autonics TK4L-24RN Temperature Controller – Technical Specifications
| Specification | Value |
|---|---|
| Power supply | 100-240VAC~ 50/60Hz |
| Sampling cycle | 50ms |
| Display method | 4-digit 7-segment LED |
| Control method | ON/OFF, P, PI, PD, PID |
| Proportional band | 0.1 to 999.9℃/℉(0.1 to 999.9%) |
| Integral time | 0 to 9999 sec |
| Derivative time | 0 to 9999 sec |
| Control period | Relay output, SSR drive output: 0.1 to 120.0 sec Current output or SSR drive output selectable: 1.0 to 120.0 sec |
| Manual reset | 0.0 to 100.0% |
| Environment_Ambient temperature | -10 to 50℃, storage: -20 to 60℃ |
| Environment_Ambient humidity | 35 to 85% RH, storage: 35 to 85% RH |
| Insulation type | Double insulation or reinforced insulation(mark: @(INS), dielectric strength between the measuring input part and the power part: 2kV) |
| Option input | CT, Digital(DI-1/2) |
| Protection structure | IP65(front panel) |
| Display accuracy_CT input | ±5% F.S. ±1-digit |
| Input specification | Thermocouple: K(CA), J(IC), E(CR), T(CC), B(PR), R(PR), S(PR), N(NN), C(TT), G(TT), L(IC), U(CC), Platinel IIRTD: DPt100Ω, DPt50Ω, JPt100Ω, Cu100Ω, Cu50Ω, Nikel 120ΩAnalog: 0-100mV, 0-5V, 1-5V, 0-10V0-20mA, 4-20mA |
| Option output | Alarm 1/2 |
| Display accuracy_RTD | •At room temperature(23℃±5℃):(PV ±0.3% or ±1℃, select the higher one) ±1-digit•Out of room temperature:(PV ±0.5% or ±2℃, select the higher one) ±1-digit |
| Display accuracy_Thermocouple | •At room temperature(23℃±5℃):(PV ±0.3% or ±1℃, select the higher one) ±1-digit•Out of room temperature:(PV ±0.5% or ±2℃, select the higher one) ±1-digit |
| Hysteresis(adjustable sensitivity) | RTD/Thermocouples: 1 to 100℃/℉(0.1 to 100.0℃/℉) variable Analog: 1 to 100-digit |
| Control output 1 | Relay(250VAC~ 3A) |
| Display accuracy_Analog | •At room temperature(23℃±5℃): ±0.3% F.S. ±1-digit•Out of range of room temperature: ±0.5℃% F.S. ±1-digit |
| Control output 2 | - |
| Weight | Approx. 294g(approx. 198g) |
The Autonics TK4L-24RN Temperature Controller is engineered with a 50ms sampling cycle for rapid response, ensuring stability in fast-changing thermal processes. Operating on a 100–240VAC power supply, it accommodates thermocouples, RTDs, and analog signals, making it versatile for integration into both modern and legacy systems. With multiple control methods including ON/OFF, P, PI, PD, and PID, this controller provides engineers the flexibility to fine-tune heat cycles with precision. Its 4-digit 7-segment LED display ensures clarity, while dual alarm outputs and optional CT/digital inputs enhance safety and process monitoring.
Built with IP65-rated front protection and reinforced insulation of 2kV dielectric strength, the TK4L-24RN offers long-term reliability even in humid, dusty, or vibration-prone environments. Output options such as relay (250VAC~ 3A) and SSR drive allow seamless connection to heaters, actuators, and alarms. Adjustable parameters including proportional band, integral, and derivative time ranges empower engineers to configure control strategies effectively. Lightweight at just 294g, this compact design integrates easily into control cabinets without compromising performance.
In practical use, the TK4L-24RN is widely adopted in ovens, sterilizers, dryers, and HVAC systems where thermal consistency is critical. Industries such as food processing, pharmaceuticals, plastics, and semiconductors rely on its accuracy to maintain product quality and reduce downtime. Junior technicians value its straightforward interface, while senior engineers depend on its robust build for continuous operation. Recognized as part of the High Performance PID Temp Controllers range, this model is a trusted solution for manufacturers seeking precision, safety, and cost-efficiency. For full specifications, visit the official Autonics Temperature Controller page.
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