Industrial Process Control Solution – OMRON E5AK-AA2 | E5AK Series
The OMRON E5AK-AA2 is a high-performance DIN 96×96mm PID process controller engineered for demanding industrial environments. Featuring universal multi-input capability, advanced PID auto-tuning, and RS-485 serial communication, the E5AK-AA2 delivers precise, repeatable control across temperature, pressure, flow, and level applications. Trusted by process engineers worldwide, this controller is a cornerstone of the OMRON E5AK Series.
Where This Product Is Used
- Plastic Injection Molding & Extrusion: Maintains barrel and mold temperature within ±0.1°C to ensure consistent part quality and reduce scrap rates.
- Food & Beverage Processing: Controls pasteurization, sterilization, and cooking tunnel temperatures in compliance with HACCP and food safety standards.
- Chemical & Pharmaceutical Reactors: Regulates reaction vessel temperature and process variables with high accuracy for batch and continuous processes.
- HVAC & Building Automation: Manages chiller, boiler, and air-handling unit setpoints in commercial and industrial facilities.
- Heat Treatment Furnaces: Provides ramp-and-soak profile control for annealing, tempering, and hardening operations in metallurgical plants.
- Semiconductor & Electronics Manufacturing: Controls reflow oven zones and environmental test chambers requiring tight thermal stability.
- Water & Wastewater Treatment: Monitors and controls pH, dissolved oxygen, and temperature in treatment plant processes.
Technical Specifications
- Model: E5AK-AA2
- Brand / Manufacturer: OMRON Corporation
- Series: E5AK
- Panel Cutout: 92×92mm (DIN 96×96mm front face)
- Control Action: PID / ON-OFF / P / PI / PD selectable
- Input Types: Thermocouple (K, J, T, E, L, U, N, R, S, B, W), RTD (Pt100, JPt100), Analog (4–20 mA, 0–10 V, 0–5 V)
- Output 1: Relay output (SPST-NO, 250 VAC, 3 A)
- Auxiliary Output: Relay or voltage pulse (selectable)
- Communication: RS-485 (CompoWay/F protocol)
- Display: 4-digit PV / SV dual LED display
- Power Supply: 100–240 VAC, 50/60 Hz
- Power Consumption: Max 10 VA
- Ambient Temperature: 0–50°C (operating), −25–65°C (storage)
- Ambient Humidity: 35–85% RH (non-condensing)
- Protection Rating: IP66 (front panel)
- Weight: Approx. 560 g
- Approvals: CE, UL, cUL
Why Engineers Specify This Model
- Universal Input Flexibility: Accepts thermocouples, RTDs, and analog signals without hardware changes — one SKU covers multiple sensor types.
- Advanced Auto-Tuning PID: OMRON’s AT algorithm minimizes overshoot and settling time, reducing commissioning effort on first installation.
- RS-485 Network Ready: Native CompoWay/F support enables integration with OMRON PLCs (CP1H, CJ2M, NX series) and SCADA systems without additional gateways.
- IP66 Front Panel: Sealed against dust and water jets — suitable for wash-down environments in food processing and chemical plants.
- Proven Reliability: OMRON E5AK series has an established track record in global OEM and end-user installations since its introduction, with long-term parts availability.
- Compact DIN Format: 96×96mm panel mount fits standard enclosure cutouts, simplifying panel design and replacement of legacy controllers.
Complete System Bill of Materials
- E5AK-AA2 — Process Controller (this unit)
- E5AK-AA2-500 — Controller with 100–240 VAC supply (alternative suffix)
- E53-AKB — RS-485 Communication Unit (plug-in option)
- E53-AKF — Heater Burnout Detection Unit
- Y92S-E5AK — Panel Mounting Adapter / Gasket Kit
- K8AK-TS2 — Compatible OMRON Temperature Alarm Unit
- CJ2M-CPU31 — Recommended OMRON PLC for RS-485 network integration
- Thermocouple / RTD Sensor — Application-specific (K-type recommended for general industrial use)
Compliance & Industry Standards
- CE Marking: Complies with EU Low Voltage Directive (LVD) and EMC Directive
- UL / cUL Listed: Recognized under UL 508 (Industrial Control Equipment)
- RoHS Compliant: Restriction of Hazardous Substances Directive (EU 2011/65/EU)
- IP66: IEC 60529 ingress protection (front panel)
- IEC 61010-1: Safety requirements for electrical equipment for measurement, control, and laboratory use
Quality Assurance & Sourcing
All OMRON E5AK-AA2 units supplied by Konmask.com are sourced through verified industrial distribution channels. Each unit undergoes incoming inspection including visual examination, label verification, and functional power-on checks prior to dispatch. We provide original manufacturer packaging and documentation. Traceability records are maintained for B2B customers requiring audit compliance.
How to Source This Part
- In-Stock Orders: Add to cart and complete checkout — standard lead time 1–3 business days for dispatch.
- Bulk / OEM Inquiries: Contact support@konmask.com for volume pricing, blanket orders, and consignment arrangements.
- Expedite Requests: Call or WhatsApp +0086 19859288691 for urgent project requirements.
- Cross-Reference / Substitution: Our engineers can confirm compatibility with your existing panel wiring and sensor types before purchase.
Application-Specific FAQ
Q: Can the E5AK-AA2 accept a 4–20 mA pressure transmitter input?
A: Yes. The E5AK-AA2 supports analog current input (4–20 mA) in addition to thermocouple and RTD inputs. Configure the input type via the front-panel parameter menu.
Q: Is RS-485 communication built in or optional?
A: The E5AK-AA2 base unit includes RS-485 terminals. The E53-AKB plug-in communication unit may be required depending on the specific suffix variant — confirm with your order documentation.
Q: What is the difference between E5AK-AA2 and E5AK-PRR2?
A: The AA2 suffix denotes analog/universal input with relay output. The PRR2 suffix indicates a different output configuration. Consult the OMRON E5AK datasheet for full suffix matrix.
Q: Can this controller be used in a food-grade wash-down environment?
A: Yes. The IP66-rated front panel is suitable for wash-down areas. Ensure the rear terminals and enclosure are also appropriately sealed per your installation requirements.
Q: Does Konmask.com provide a warranty on this product?
A: Yes. We offer a 12-month warranty against manufacturing defects. Contact support@konmask.com for warranty claims and RMA processing.
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Contact: support@konmask.com | +0086 19859288691
