Autonics TCN4S-24R ON/Off Temperature Controller
TCN4S-24R is Autonics on/off temperature controller supporting 100–240VAC power supply, 100ms sampling cycle, and relay or SSR output operation. Manufactured by Autonics, this controller belongs to Autonics Temperature Controllers within the TC Series, offering ON/OFF, P, PI, PD, PID control methods, a 4-digit 7-segment LED display, 0–9999 sec integral time, and defined performance for industrial automation, clearly establishing TCN4S-24R with Autonics On/Off Temperature Controllers.

| Brand | Autonics |
| Product Type | Temperature Controller |
| Model Number | TCN4S-24R |
Autonics TCN4S-24R ON/Off Temperature Controller – Technical Specifications
| Specification | Value |
|---|---|
| Power supply | 100-240VAC~ 50/60Hz |
| Sampling cycle | 100ms |
| Control output | Relay(250VAC~ 3A) or SSR drive(12VDC) [ON/OFF] |
| Display method | 4-digit 7-segment LED |
| Control method | ON/OFF, P, PI, PD, PID |
| Proportional band | 0.1 to 999.9℃/℉ |
| Integral time | 0 to 9999 sec |
| Derivative time | 0 to 9999 sec |
| Control period | 0.5 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: AC power 2kV, AC/DC Power 1kV) |
| Input specification | Thermocouple: K(CA), J(IC), T(CC), R(PR), S(PR), L(IC)RTD: DPt100Ω, Cu50Ω |
| Option output | Alarm 1/2 |
| Display accuracy_RTD | •At room temperature(23ºC ± 5ºC):(PV ± 0.5% or ±1ºC, select the higher one) ± 1-digit•Out of room temperature range:(PV± 0.5% or ±2ºC, select the higher one)± 1-digit |
| Display accuracy_Thermocouple | •At room temperature(23ºC ± 5ºC):(PV ± 0.5% or ±1ºC, select the higher one) ± 1-digit•Out of room temperature range:(PV± 0.5% or ±2ºC, select the higher one)± 1-digit |
| Hysteresis(adjustable sensitivity) | 1 to 100℃/℉(0.1 to 50.0℃/℉) variable |
| Weight | Approx. 147g(approx. 100g) |
TCN4S-24R Autonics On/Off Temperature Controllers are designed for consistent temperature regulation in industrial automation systems. The TCN4S-24R operates on 100–240VAC supply with a 100ms sampling cycle, supporting relay or SSR drive output and ON/OFF control through a 4-digit LED display. This model is part of the TC Series and is used in control panels where stable temperature control is required.
In industrial applications, TCN4S-24R Autonics On/Off Temperature Controllers are commonly used in conveyors, packaging equipment, heating units, ovens, and automated assembly lines. The controller helps maintain predictable thermal control by switching outputs accurately based on process conditions. Its defined response behavior supports continuous operation and reduces temperature fluctuation in production environments.
The TCN4S-24R temperature controller reflects Autonics reliability for industrial automation use. With selectable control methods, clear LED indication, and compatible relay or SSR outputs, it supports dependable long-term operation. As part of the TC Series, this model is suitable for industrial systems where stable on/off temperature control and consistent performance are required.




