Omron Proximity E2K-C Sensor Programmable Logic Controller
The Omron E2K-C Series offers reliable capacitive sensing for detecting not only metals but also non-metallic materials such as plastics, glass, wood, powders, liquids, and granules. Designed for versatility and precision, these sensors are perfect for applications where inductive sensors are not sufficient.
Categories:
Omron Inductive Proximity Sensor- Capacitive Sensing Technology: Detects a wide range of materials, including non-conductive objects.
- Adjustable Sensitivity: Built-in sensitivity trimmer allows fine-tuning for target material and distance.
- Compact Cylindrical Design: Available in M18 housing for easy panel or bracket mounting.
- DC Operation: Operates on 12 to 24 VDC, suitable for integration with most PLCs and control systems.
- Output Types: NPN or PNP, Normally Open (NO) configurations for flexible integration.
- IP66 Protection: Resistant to dust, moisture, and light splashes.
| Specification | Description | ||||
|---|---|---|---|---|---|
| Model | E2K-C25M[]1 | E2K-C25M[]2 | E2K-C25MY1 | E2K-C25MY2 | |
| Sensing distance * | 25 mm | ||||
| Sensing distance adjustable range | 3 to 25 mm | ||||
| Detectable object | Conductors and dielectrics | ||||
| Standard sensing object | Grounded metal plate: 50 × 50 × 1 mm | ||||
| Differential travel | 15% max. of sensing distance (at 25 mm ±10%) | ||||
| Response frequency | 70 Hz | 10 Hz | |||
| Power supply voltage | 12–24 VDC (10–30 VDC), ripple 10% max. | 100–220 VAC (90–250 VAC), 50/60 Hz | |||
| Current consumption | 10 mA max at 12 VDC, 16 mA max at 24 VDC | ||||
| Leakage current | 1–2 mA max depending on voltage (Y Models) | ||||
| Control output | Load current | 200 mA max. | 5–200 mA (resistive load) | ||
| Residual voltage | 2 V max. at 200 mA, 2 m cable | Refer to datasheet | |||
| Indicators | Detection indicator (red) | Operation indicator (red) | |||
| Operation mode (with object approaching) | E1/F1/Y1: NO E2/F2/Y2: NC See timing charts |
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| Protection circuits | Reverse polarity, Surge suppressor | Surge suppressor | |||
| Ambient temperature | -25 to 70°C (no icing/condensation) | ||||
| Ambient humidity | 35% to 95% RH (no condensation) | ||||
| Temperature influence | ±15% (-10 to 55°C), ±25% (-25 to 70°C) | ||||
| Voltage influence | ±2% max at rated voltage ±15% | ±2% at 100 VAC (±20%) or 200 VAC (±20%) | |||
| Insulation resistance | ≥50 MΩ at 500 VDC | ||||
| Dielectric strength | 1,000 VAC, 50/60 Hz, 1 min | 1,500 VAC, 50/60 Hz, 1 min | |||
| Vibration | 10–55 Hz, 1.5 mm amplitude, 2 hrs X/Y/Z | ||||
| Shock resistance | 500 m/s², 10 times in X/Y/Z | ||||
| Degree of protection | IEC 60529 IP66 | ||||
| Connection method | Pre-wired (2 m cable) | ||||
| Weight | Approx. 200 g | ||||
| Materials | Case | Heat-resistant ABS | |||
| Sensing surface | Heat-resistant ABS | ||||
| Accessories | Mounting bracket, driver, screws, manual | ||||
| Function | Specification | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Model | E2K-C20MC1 | E2K-C20MC2 | E2K-C20MT1 | E2K-C20MT2 | |||||||||||||
| Sensing distance * | 20 mm | ||||||||||||||||
| Sensing distance adjustable range | 3 to 20 mm | ||||||||||||||||
| Detectable object | Conductors and dielectrics | ||||||||||||||||
| Standard sensing object | Grounded metal plate: 50 × 50 × 1 mm | ||||||||||||||||
| Differential travel | 15% max. of sensing distance (when adjusted to 20 mm ±10% with standard sensing object) | ||||||||||||||||
| Response frequency * | 40 Hz | AC power: 25 Hz, DC power: 40 Hz | |||||||||||||||
| Power supply voltage (operating voltage range) | 12 to 24 VDC (10 to 30 VDC), ripple (p-p): 10% max. | 24 to 240 VAC (20 to 250 VAC), 50/60 Hz; 24 to 240 VDC (20 to 250 VDC) | |||||||||||||||
| Current consumption | 13 mA max. at 24 VDC | --- | |||||||||||||||
| Leakage current | --- | 1.5 mA max. at 24 VDC, 1.7 mA max. at 110 VAC, 2.5 mA max. at 250 VAC | |||||||||||||||
| Control output | Load current | 250 mA max. | 5 to 200 mA (resistive load) | ||||||||||||||
| Residual voltage | 2.5 V max. (Load current: 250 mA, Cable length: 2 m) | AC: 10 V max., DC: 8 V max. | |||||||||||||||
| Indicators | Operation indicator (yellow) | ||||||||||||||||
| Operation mode (with sensing object approaching) |
C1/T1 Models: NO C2/T2 Models: NC |
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| Protection circuits | Reverse polarity, Load short-circuit protection | --- | |||||||||||||||
| Ambient temperature range | -25 to 70°C (no icing/condensation) | ||||||||||||||||
| Ambient humidity range | 35% to 95% RH (no condensation) | ||||||||||||||||
| Temperature influence | ±15% (–10 to 55°C), ±25% (–25 to 70°C) | ||||||||||||||||
| Voltage influence | ±2% max. at rated voltage ±15% | ||||||||||||||||
| Insulation resistance | 50 MΩ min. (500 VDC between live parts and case) | ||||||||||||||||
| Dielectric strength | 1,000 VAC, 50/60 Hz for 1 min | 1,500 VAC, 50/60 Hz for 1 min | |||||||||||||||
| Vibration resistance | 10–55 Hz, 1.5 mm amplitude, 2 hrs each in X/Y/Z | ||||||||||||||||
| Shock resistance | 500 m/s², 10 times each in X/Y/Z directions | ||||||||||||||||
| Degree of protection | IEC 60529 IP65 | ||||||||||||||||
| Connection method * | Pre-wired (2 m cable) | ||||||||||||||||
| Weight (packed) | Approx. 240 g | ||||||||||||||||
| Materials | Case | PBT | |||||||||||||||
| Sensing surface | PBT | ||||||||||||||||
| Accessories | Mounting Bracket, M4 screws, Instruction manual | ||||||||||||||||
| Appearance | Sensing distance (Adjustable range) |
Output configuration |
Model | ||
|---|---|---|---|---|---|
| Operation mode | |||||
| NO | NC | ||||
| Standard Models | Unshielded | 25 mm (3 to 25 mm) |
DC 3-wire, NPN | E2K-C25ME1 2M | E2K-C25ME2 2M |
| DC 3-wire, PNP | E2K-C25MF1 2M | E2K-C25MF2 2M | |||
| AC 2-wire | E2K-C25MY1 2M *1 | E2K-C25MY2 2M | |||
| Noise-resistant Models |
20 mm (3 to 20 mm) |
DC 3-wire, NPN | E2K-C20MC1 2M | E2K-C20MC2 2M | |
| AC/DC 2-wire | E2K-C20MT1 2M | E2K-C20MT2 2M | |||
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Catalog Name
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Catalog Number[size]
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Last Update
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|---|---|---|---|
| E2K-C Data Sheet | -- [991KB] |
Nov 11, 2024 | E2K-C Data Sheet |
Applications
- Level detection in plastic tanks (water, oil, chemicals)
- Object detection in packaging, paper, or glass industries
- Powder flow or hopper monitoring
- Non-metal conveyor object detection
- Detection of bottles, caps, or containers in filling lines
Why Choose
- Detects non-metallic materials that standard inductive sensors can't
- Ideal for level sensing in tanks, bins, and silos
- Adjustable range reduces false triggers and improves reliability
- Trusted Omron quality and compact form factor
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