Description
The Omron E5CC-RX3D5M-006 is a compact, 1/16 DIN (48 x 48 mm) high-performance digital temperature controller. Part of the E5CC series, this specific model is designed for 24 V AC/DC operation and features a relay output for the primary control loop. It is widely used in packaging machinery, plastic extrusion, and thermal processing due to its fast 50 ms sampling rate and high-contrast white PV display, which remains legible even in high-glare environments.
Commercial Context & Lifecycle Status
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Product Condition: New Original (Factory Sealed)
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Warranty: 12-Month Manufacturer/Supplier Warranty
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Availability: Generally a high-volume stock item; ships within 24 hours
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Pricing Note: Price fluctuates based on regional distribution and bulk volume discounts. Contact us for a specific quote based on your required quantity.
Core Technical Specifications
The E5CC-RX3D5M-006 utilizes a universal input, meaning a single unit can be configured for various thermocouple, PT100, or analog signals via the front panel menu.
| Parameter | Technical Value / Specification |
| Manufacturer | Omron |
| Model | E5CC-RX3D5M-006 |
| Dimensions | 48 x 48 x 60 mm (1/16 DIN) |
| Supply Voltage | 24 V AC (50/60 Hz) or 24 V DC |
| Control Output 1 | Relay Contact: SPST-NO, 250 V AC, 3 A (resistive load) |
| Auxiliary Outputs | 3 Relay outputs (commonly used for alarms or events) |
| Event Inputs | 2 inputs (for bank switching or run/stop functions) |
| Sensor Input | Universal (Thermocouple: K, J, T, E, L, U, N, R, S, B, W, or PL II; Platinum resistance thermometer: Pt100 or JPt100) |
| Sampling Period | 50 ms |
| Control Method | ON/OFF or 2-PID (with auto-tuning) |
| Terminal Type | Screw terminals (with terminal cover) |
Engineering & Integration Notes
1. PID Tuning and Response
The E5CC series employs Omron’s 2-PID control algorithm. In my experience with thermal lag in injection molding applications, the “Tune” function is highly effective at preventing overshoot during initial heat-up. For systems with rapid temperature fluctuations, the 50 ms sampling speed provides a distinct advantage over standard 250 ms controllers in maintaining steady-state accuracy.
2. Wiring for 24 V Models
As this is the “D5M” variant, it operates on 24 V. Attempting to connect 110/220 V AC to terminals 1 and 2 will result in immediate failure of the internal power supply circuitry. Always verify the voltage rating on the side-label before energizing the panel.
3. Relay Longevity
The primary control output is a mechanical relay. If your application requires high-frequency switching (short cycle times $< 10$ seconds), the relay will reach its mechanical life limit (typically 100,000 operations) relatively quickly. For high-speed PWM control, an SSR (Solid State Relay) output model (e.g., E5CC-QX series) is recommended to avoid premature failure.
Frequently Asked Questions
Q: What does the “-006” suffix represent in this model?
A: In the Omron E5CC nomenclature, the “-006” suffix indicates that the unit is equipped with Event Inputs (2 points). These allow you to trigger internal functions, such as switching between different setpoint “banks” or remotely starting/stopping the controller via an external dry contact or PLC output.
Q: Can I use this controller for a 4-20 mA sensor?
A: Yes, the input is universal. However, you must navigate to the “Input Type” parameter (IN-T) in the initial setting level and select the appropriate code for current or voltage. Note that for 4-20 mA, you may need to install a 250 $\Omega$ precision resistor across the input terminals if the specific sub-model does not support direct current input natively. Verify with the Omron E5CC datasheet for current-input specific wiring.
Q: Is the display readable in low-light conditions?
A: The “White PV” display technology used in the E5CC is arguably the best in the industry for visibility. The large white numerals (15.2 mm high) provide high contrast against the black background, making it significantly easier to read from a distance compared to older red or green LED displays.
