Omron E5AC Series Temperature Controller
The E5AC is a high-performance temperature controller from Omron’s popular E5_C series, designed for applications that demand accuracy, fast response, and a large display. With its 96 x 96 mm (1/4 DIN) housing, the E5AC is perfect for panel-mounted applications requiring clear visibility and robust performance.
Categories:
Panel ComponentsKey Features
-
Large White LCD Display (White PV, Green SV)
- Outstanding visibility from any angle, even in dark environments
- 3-color status display improves operational awareness
- Fast 50 ms Sampling Period – High-speed, high-accuracy feedback for fast processes
- 2-PID Control Algorithm with Auto-Tuning – Stable and responsive temperature control
- Wide Range of Inputs – Supports thermocouples, RTDs, voltage, and current
- Multiple Output Options – Relay, voltage pulse for SSR, current (4–20 mA)
- Built-in RS-485 Communication (Modbus) – Easy integration into automation networks
- USB Port for Easy Parameter Setup – Configure via CX-Thermo software without power-on
- Global Standards Compliance – CE, UL, CSA, and RoHS certified
| Specifications | Details | |
|---|---|---|
| Power supply voltage | A in model number: 100 to 240 VAC, 50/60 Hz D in model number: 24 VAC, 50/60 Hz; 24 VDC | |
| Operating voltage range | 85 to 110% of rated supply voltage | |
| Power consumption | Models with option selection of 000:7.0 VA max. at 100 to 240 VAC, and 4.2 VA max. at 24 VAC or 2.4 W max. at 24 VDC All other models: 9.0 VA max. at 100 to 240 VAC, and 5.6 VA max. at 24 VAC or 3.4 W max. at 24 VDC | |
| Sensor input | Temperature input Thermocouple: K, J, T, E, L, U, N, R, S, B, C/W, or PL II Platinum resistance thermometer: Pt100 or JPt100 Infrared temperature sensor (ES1B): 10 to 70°C, 60 to 120°C, 115 to 165°C, or 140 to 260°C Analog input Current input: 4 to 20 mA or 0 to 20 mA Voltage input: 1 to 5 V, 0 to 5 V, or 0 to 10 V | |
| Input impedance | Current input: 150 Ω max., Voltage input: 1 MΩ min. (Use a 1:1 connection when connecting the ES2-HB-N/THB-N.) | |
| Control method | ON/OFF or 2-PID control (with auto-tuning) | |
| Control output | Relay output | SPST-NO, 250 VAC, 5 A (resistive load), electrical life: 100,000 operations, minimum applicable load: 5 V, 10 mA (reference value) |
| Voltage output (for driving SSR) | Output voltage: 12 VDC ± 20% (PNP), max. load current: 40 mA, with short-circuit protection circuit (The maximum load current is 21 mA for models with two control outputs.) | |
| Linear current output | 4 to 20 mA DC/0 to 20 mA DC, load: 500 Ω max., resolution: approx. 10,000 | |
| Auxiliary output | Number of outputs | 4 |
| Output specifications | SPST-NO. relay outputs, 250 VAC, Models with 2 outputs: 3 A (resistive load), Electrical life: 100,000 operations, Minimum applicable load: 10 mA at 5 V (reference value) | |
| Event input | Number of inputs | 2, 4 or 6 (depends on model) |
| External contact input specifications | Contact input: ON: 1 kΩ max., OFF: 100 kΩ min. | |
| Non-contact input: ON: Residual voltage: 1.5 V max., OFF: Leakage current: 0.1 mA max. | ||
| Current flow: Approx. 7 mA per contact | ||
| Transfer output | Number of outputs | 1 (only on models with a transfer output) |
| Output specifications | Current output: 4 to 20 mA DC, Load: 500 Ω max., Resolution: Approx. 10,000 Linear voltage output: 1 to 5 VDC, load: 1 kΩ min., Resolution: Approx. 10,000 | |
| Remote SP input | Current input: 4 to 20 mA DC or 0 to 20 mA DC (input impedance: 150 Ω max.) Voltage input: 1 to 5 V, 0 to 5 V, or 0 to 10 V (input impedance: 1 MΩ min.) | |
| Potentiometer input | 100 Ω to 10 kΩ | |
| Setting method | Digital setting using front panel keys | |
| Indication method | 11-segment digital display and individual indicators Character height: PV: 25.0 mm, SV: 15.0 mm, MV: 9.5 mm Three displays Contents: PV/SV/MV, PV/SV/Multi-SP, or PV/SV/Remaining soak time, etc Numbers of digits: 4 digits each for PM, SV, and MV displays | |
| Multi SP | Up to eight set points (SP0 to SP7) can be saved and selected using the event inputs, key operations, or serial communications. | |
| Bank switching | None | |
| Other functions | Manual output, heating/cooling control, loop burnout alarm, SP ramp, other alarm functions, heater burnout (HB) alarm (including SSR failure (HS) alarm), 40% AT, 100% AT, MV limiter, input digital filter, self tuning, robust tuning, PV input shift, run/stop, protection functions, extraction of square root, MV change rate limit, logic operations, temperature status display, simple programming, moving average of input value, and display brightness setting | |
| Ambient operating temperature | -10 to 55°C (with no condensation or icing), For 3-year warranty: -10 to 50°C with standard mounting (with no condensation or icing) | |
| Ambient operating humidity | 25 to 85% | |
| Storage temperature | -25 to 65°C (with no condensation or icing) | |
| Altitude | 2,000 m max. | |
| Recommended fuse | T2A, 250 VAC, time-lag, low-breaking capacity | |
| Installation environment | Overvoltage category II, Pollution Degree 2 (EN/IEC/UL 61010-1) | |
| Specifications | Details | |
|---|---|---|
| Indication accuracy (at the ambient temperature of 23°C) | Thermocouple: (±0.3% of indication value or ±1°C, whichever is greater) ±1 digit max. *1 Platinum resistance thermometer: (±0.2% of indication value or ±0.8°C, whichever is greater) ±1 digit Analog input: ±0.2% FS ±1 digit max. CT input: ±5% FS ±1 digit max. Potentiometer input: ±5% FS ±1 digit max. | |
| Transfer output accuracy | ± 0.3% FS max. | |
| Remote SP Input Type | ± 0.2% FS ± 1 digit max. | |
| Influence of temperature *2 | Thermocouple input (R, S, B, C/W, PL II): (±1% of indication value or ±10°C, whichever is greater) ±1 digit max. Other thermocouple input: (±1% of indication value or ±4°C, whichever is greater) ±1 digit max. *3 Platinum resistance thermometer: (±1% of indication value or ±2°C, whichever is greater) ±1 digit max. Analog input: ±1%FS ±1 digit max. CT input: ±5% FS ±1 digit max. Remote SP input: ±1% FS ±1 digit max. | |
| Influence of voltage *2 | ||
| Influence of EMS. (at EN 61326-1) | ||
| Input sampling period | 50ms | |
| Hysteresis | Temperature input: 0.1 to 999.9°C or °F (in units of 0.1°C or°F) Analog input: 0.01% to 99.99% FS (in units of 0.01% FS) | |
| Proportional band (P) | Temperature input: 0.1 to 999.9°C or °F (in units of 0.1°C or °F) Analog input: 0.1 to 999.9% FS (in units of 0.1% FS) | |
| Integral time (I) | Standard, heating/cooling, or Position-proportional (Close): 0 to 9999 s (in units of 1 s), 0.0 to 999.9 s (in units of 0.1 s) Position-proportional (Floating): 1 to 9999 s (in units of 1 s), 0.1 to 999.9 s (in units of 0.1 s) *4 | |
| Derivative time (D) | 0 to 9999 s (in units of 1 s), 0.0 to 999.9 s (in units of 0.1 s) *4 | |
| Proportional band (P) for cooling | Temperature input: 0.1 to 999.9°C or °F (in units of 0.1°C or °F) Analog input: 0.1 to 999.9% FS (in units of 0.1% FS) | |
| Integral time (I) for cooling | 0 to 9999 s (in units of 1 s), 0.0 to 999.9 s (in units of 0.1 s) *4 | |
| Derivative time (D) for cooling | 0 to 9999 s (in units of 1 s), 0.0 to 999.9 s (in units of 0.1 s) *4 | |
| Control period | 0.1, 0.2, 0.5, 1 to 99 s (in units of 1 s) | |
| Manual reset value | 0.0 to 100.0% (in units of 0.1%) | |
| Alarm setting range | -1999 to 9999 (decimal point position depends on input type) | |
| Influence of signal source resistance | Thermocouple: 0.1°C/Ω max. (100 Ω max.) Platinum resistance thermometer: 0.1°C/Ω max. (10 Ω max.) | |
| Insulation resistance | 20 MΩ min. (at 500 VDC) | |
| Dielectric strength | 3,000 VAC, 50/60 Hz for 1 min between terminals of different charge | |
| Vibration | Malfunction | 10 to 55 Hz, 20 m/s² for 10 min each in X, Y, and Z directions |
| Resistance | 10 to 55 Hz, 20 m/s² for 2 hrs each in X, Y, and Z directions | |
| Shock | Malfunction | 100 m/s², 3 times each in X, Y, and Z directions |
| Resistance | 300 m/s², 3 times each in X, Y, and Z directions | |
| Weight | Controller: Approx. 250 g, Mounting Adapter: Approx. 4 g × 2 | |
| Degree of protection | Front panel: IP66, Rear case: IP20, Terminals: IP00 | |
| Memory protection | Non-volatile memory (number of writes: 1,000,000 times) | |
| Setup Tool | CX-Thermo version 4.5 or higher | |
| Setup Tool port | E5AC top panel: An E58-CIFQ2 USB-Serial Conversion Cable is used to connect to a USB port on the computer. *5 E5AC front panel: An E58-CIFQ2 USB-Serial Conversion Cable and E58-CIFQ2-E Conversion Cable are used together to connect to a USB port on the computer. *5 | |
| Standards | Approved standards | cULus: UL 61010-1/CSA C22.2 No.61010-1, Korean wireless regulations (Radio law: KC Mark) (Some models only.) *6, Lloyd's standards *7 |
| Conformed standards | EN 61010-1 (IEC 61010-1), RCM | |
| EMC | EMI EN 61326-1 *8 Radiated Interference Electromagnetic Field Strength: EN 55011 Group 1, class A Noise Terminal Voltage: EN 55011 Group 1, class A EMS: EN 61326-1 *8 ESD Immunity: EN 61000-4-2 Electromagnetic Field Immunity: EN 61000-4-3 Burst Noise Immunity: EN 61000-4-4 Conducted Disturbance Immunity: EN 61000-4-6 Surge Immunity: EN 61000-4-5 Voltage Dip/Interrupting Immunity: EN 61000-4-11 | |
| Model | Control outputs 1 and 2 | No. of auxiliary outputs | Power supply voltage | Terminal type | Input type | Options | Meaning | |
|---|---|---|---|---|---|---|---|---|
| Output 1 | Output 2 | |||||||
| E5EC | 48 x 96 mm | |||||||
| E5AC | 96 x 96 mm | |||||||
| RX | Relay output | None | ||||||
| QX | Voltage output (for driving SSR) | None | ||||||
| CX | Linear current output | None | *2 | |||||
| Voltage output (for driving SSR) | Voltage output (for driving SSR) | |||||||
| QR | Voltage output (for driving SSR) | Relay output | ||||||
| RR | Relay output | Relay output | ||||||
| CC | Linear current output | Linear current output | *2 | |||||
| CQ | Linear current output | Voltage output | *2 | |||||
| PR | Position-proportional relay output | |||||||
| 4 (auxiliary outputs 1 and 2 with same common and auxiliary outputs 3 and 4 with same common) | *3 | |||||||
| 100 to 240 VAC | A | |||||||
| 24 VAC/DC | D | |||||||
| Screw terminal blocks (with cover) | 5 | |||||||
| Universal input | M | |||||||
|
Catalog Name
|
Catalog Number[size]
|
Last Update
|
|---|---|---|
| E5C, E5C-T Data Sheet | H177-E1-16 [40802KB] |
Dec 01, 2023 |
| E5C Brochure | H220-E1-04 [4605KB] |
Oct 02, 2023 |
Applications
- Packaging machines
- Plastic processing
- Food & beverage production
- Ovens and dryers
- HVAC and thermal chambers
- Scientific and lab instruments
Why Choose
- Ideal for general-purpose and high-demand control applications
- High clarity display reduces operator error
- Quick setup with USB and parameter backup functions
- Industry-leading reliability and long-term support
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