The OMRON E5CX-RTC-F is a digital temperature controller engineered for precision thermal regulation in industrial processes. It delivers advanced PID control with auto-tuning capability, dual-range 4-digit LED display, and flexible input configuration supporting multiple thermocouple types (K, J, T, E, R, S, B, N, L, U) and Pt100/JPt100 resistance sensors.
Technical Specifications
Input & Sensing
• Thermocouple input range: –999 to 9,999 °C/°F
• Pt100/JPt100 input range: –99.9 to 450.0 °C / –99.9 to 800.0 °F
• Input configuration selectable via DIP switches
• Sampling period: 500 ms
• Display refresh: 500 ms
Control Performance
• Control algorithm: Advanced PID with auto-tuning
• Control period (pulse output): 1 to 99 seconds
• Output refresh: 500 ms
• Proportional band: 0.0° to 999.9 °C/°F (0.1° resolution)
• Integral time: 0 to 3,999 seconds
• Derivative time: 0 to 3,999 seconds
• Hysteresis: 0.0° to 999.9 °C/°F (0.1° increments)
• Input shift: Thermocouple ±999 to 9,999 °C/°F; Pt100/JPt100 ±99.9 to 999 °C/°F
Display & Accuracy
• 4-digit LED display with simultaneous process temperature (10.5 mm) and set value (7.5 mm)
• Setting accuracy: ±0.3% of set value or ±1 °C, whichever is greater (max ±1 digit)
• Indication accuracy (Thermocouple U): ±2 °C (±3.6 °F) ±1 digit from –150 °C to 400 °C
• Indication accuracy (Thermocouples R, S): ±3 °C (±5.4 °F) ±1 digit from 0 °C to 200 °C
Output & Power
• Relay output: SPST-NO, 3 A at 250 VAC
• Power supply: 100–240 VAC, 50/60 Hz
• Power consumption: 6 VA (at 100 VAC) to 10 VA (at 240 VAC)
• Operating voltage range: 85% to 110% of rated supply voltage
Electrical Characteristics
• Dielectric strength: 2,000 VAC 50/60 Hz for 1 minute
• Insulation resistance: 20 MΩ minimum
– Key Features
• Auto-tuning PID eliminates manual calibration
• Supports eight common thermocouple types plus resistance sensors
• Dual-display format shows process and setpoint simultaneously
• Selectable input via DIP switch configuration
• Wide operating voltage acceptance (85–110% tolerance)
– Compatibility & Integration
The E5CX-RTC-F integrates into legacy and retrofit installations where thermocouple or Pt100 sensor feedback is available. Current transformer input is not included with this model; separate ordering required if heater current monitoring is needed (maximum 50 A heater current rating). This model does not include heater burnout alarm functionality.

















