Omron E5CSL-RTC Temperature Controller
Omron E5CSL-RTC Temperature Controller is a compact controller designed for stable and precise industrial temperature regulation. Its 1/16 DIN 48 × 48 × 60 structure supports accurate sensing and fast-response temperature control across automation systems. The controller operates on 100 to 240 VAC at 50/60 Hz and provides ON/OFF or 2-PID control with auto-tuning for consistent thermal stability. Featuring relay output, front key digital setting, and a 7-segment display, it supports reliable process monitoring in industrial environments. Manufactured by Omron automation, it belongs to the temperature control systems category and the E5CSL controller series. This platform is also associated with Omron E5CSL temperature controller applications used in process automation.

| Brand | Omron |
| Product | Temperature Controllers |
| Model Number | E5CSL-RTC |
Omron E5CSL-RTC Temperature Controller - Technical Specifications
| Specification | Value |
|---|---|
| Shape | 1/16 DIN 48 × 48 × 60 |
| Power supply voltage | 100 to 240 VAC, 50/60 Hz |
| Operating voltage range/ Allowable voltage variable range | 85% to 110% of rated supply voltage |
| Power consumption | 3.5 VA |
| Control method | ON/OFF or 2-PID control with auto-tuning |
| Number of input points | 1 point |
| Input Type/Temperature input | Thermocouple: K, J, T, E, L, U, N, R, S, B, C/W, PLII Platinum resistance thermometer: Pt100, JPt100 Infrared Thermosensor: 10 to 70 ℃, 60 to 120 ℃, 115 to 165 ℃, 140 to 260 ℃ |
| Control output 1 | Relay output |
| Setting method | Digital setting using front panel keys |
| Indication method | 7-segment digital display and individual indicators; Character height: E5CSL: 21.7 mm, E5CWL: 16.2 mm (PV), E5EWL: 20 mm (PV) |
| Insulation resistance | 20 MΩ min. (at 500 VDC) |
| Dielectric strength | 2,300 VAC, 50 or 60 Hz for 1 min (between terminals with different charge) |
| Vibration resistance | Malfunction: 10 to 55 Hz, 20 m/s2 for 10 min each in X, Y, and Z directions Destruction: 10 to 55 Hz, 20 m/s2 for 2 hrs each in X, Y, and Z directions |
| Shock resistance | Malfunction: 100 m/s2 min., 3 times each in X, Y, and Z directions Destruction: 300 m/s2 min., 3 times each in X, Y, and Z directions |
| Ambient temperature (Operating) | −10 to 55°C (with no icing or condensation) |
| Ambient temperature (Storage) | −25 to 65°C (with no icing or condensation) |
| Ambient humidity (Operating) | 25% to 85% |
| Degree of protection | Front panel: IP50 Rear case: IP20, Terminals: IP00 |
| Weight | Controller: Approx. 210 g, Adapter: Approx. 4 g × 2 |
The Omron E5CSL-RTC is widely used in industrial systems that require stable thermal regulation and consistent process control. Its compact structure and relay output configuration support integration into control panels used for heaters, ovens, packaging systems, and process machinery. Engineers selecting temperature control systems typically consider this controller for its reliable response behavior and simplified parameter adjustment.
This controller supports accurate sensing and stable output handling across continuous operating conditions. The auto-tuning function helps maintain balanced temperature regulation while reducing fluctuations during process operation. Its digital display and front-panel configuration structure simplify monitoring and setup inside compact industrial panels where space efficiency is important.
Within the E5CSL platform, the E5CSL-RTC configuration supports long-term industrial operation with dependable control characteristics and electrical stability. Applications associated with Omron E5CSL temperature controller systems often rely on similar compact control behavior for stable thermal management. This relationship between model, control structure, and application makes the Omron E5CSL-RTC a practical solution for industrial temperature automation environments.




