Autonics TC4S-22R 24 VAC Temperature Controller
TC4S-22R 24 VAC temperature controller supports 100ms sampling relay or SSR output for industrial automation applications India control systems. This Autonics 24 VAC Temperature Controller from Autonics, listed under Autonics Temperature Controllers, operates on 24VAC 50/60Hz or 24–48VDC and supports ON/OFF, P, PI, PD, PID control methods. As part of the TC Series, it provides relay or SSR drive output, a 4-digit 7-segment LED display, DIN 48×48 mm size, and approximately 141 g weight.

| Brand | Autonics |
| Product Type | Temperature Controller |
| Model Number | TC4S-22R |
Autonics TC4S-22R 24 VAC Temperature Controller – Technical Specifications
| Specification | Value |
|---|---|
| Power supply | 24VAC~ 50/60Hz, 24-48VDC |
| Sampling cycle | 100ms |
| Control output | Relay (250VAC~ 3A) or SSR drive (12VDC) [ON/OFF, phase, cycle] |
| 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) |
| Display accuracy | - |
| Input specification | Thermocouple: K(CA), J(IC), 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 |
| Size | DIN W48×H48mm |
| Weight | Approx. 141g(approx. 94g) |
The Autonics TC4S-22R 24 VAC Temperature Controller is designed for stable thermal regulation in industrial automation systems. This Autonics TC4S model operates with a 100ms sampling cycle, supports PID-based control modes, and delivers relay or SSR output for flexible panel integration. It belongs to the TC Series and is widely referenced as a tc4s temperature controller in industrial control architectures.
In industrial environments, the tc4s-22r is applied across conveyors, packaging machinery, automated assembly lines, and temperature-regulated process equipment. Engineers commonly configure the tc4s 22r temperature controller for low-voltage control panels where fast response and stable output are required. These use cases highlight why Autonics tc4s-22r is adopted in continuous industrial automation operations.
The Autonics TC4S-22R temperature controller combines low-voltage power compatibility with dependable control performance. Operating on 24VAC or 24–48VDC power supply and using relay or SSR drive output, it integrates smoothly into industrial panels. Known across automation projects as Autonics tc4s and Autonics tc4s-22r, this model remains a reliable solution for 24 VAC temperature control in industrial automation systems.




