E3NX-CA
High-performance color mark sensor
E3NX-CA provides reliable color mark detection for standard as well as challenging applications. The separate sensing head setup allows the easy adaption to the mounting requirements even when space is crucial.
- Capability to distinguish slight color differences
- Response speed of 50 μs using contrast mode
- Bank switching up to 8 memories
- RGB data transmission function
- Easy teaching by Smart Tuning within a few seconds
- EtherCAT communication unit for high-speed fieldbus connectivity
Specifications & ordering info
Ordering information
Model for Sensor Communications Unit 1 |
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- 2 |
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1 input3 |
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Supplied from the connector through the Sensor Communications Unit. |
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Power consumption4 |
At Power Supply Voltage of 24 VDC Normal mode: 960 mW max. (Current consumption: 65 mA max.) Eco function ON: 720 mW max. (Current consumption: 30 mA max.) Eco function LO: 800 mW max. (Current consumption: 33 mA max.) |
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Power supply reverse polarity protection, output short-circuit protection, and output reverse polarity protection |
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Contrast Mode: Light intensity discrimination for RGB (initial state/after 2-point tuning) (R+G+B light intensity discrimination for 1-point tuning) |
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Super-high-speed Mode (SHS)5 |
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Smart Tuning (2-point tuning, full autotuning, or 1-point tuning (1% to 99%)) or manual adjustment |
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Contrast Mode: NO (Light-ON) or NC (Dark-ON) Color Mode: NO (ON for match: ON for same color as registered color) or NC (ON for mismatch: ON for different color from registered color) |
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Select from timer disabled, OFF-delay, ON-delay, one-shot, or ON-delay + OFF-delay timer (Counted by 0.1 s in a range of 0.1 to 0.5 ms, by 0.5 ms for 0.5 to 5 ms, and by 1 ms for 5 to 9999 ms. Default: 10 ms, Error: 0.1 ms) |
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Negative values can be displayed. (Threshold level is shifted.) |
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Resetting settings6 |
Select from initial reset (factory defaults), user reset (saved settings), or bank reset. |
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Select from OFF (digital display lit), Eco ON (digital display not lit), and Eco LO (digital display dimmed). |
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Set from 100 to 9,999. (The RGB maximum incident level at Smart Tuning is adjusted to the power tuning level.) |
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Select from input OFF, tuning, full-auto tuning, emission OFF, bank 1 and 2 switching, bank 1 through 8 switching, or zero reset. |
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Threshold level and incident level, channel number and incident level, RGB display and incident level, or bank display and incident level |
*1 The E3NW-ECT Sensor Communications Unit can be used, but the E3NW-CRT/CCL, E3X-DRT21-S, and E3X-CRT/ECT Sensor Communications Units cannot be used.
*2 Two sensor outputs are allocated in the programmable logic controller (PLC) I/O table. PLC operation via Communications Unit enables reading detected values and changing settings.
*3 The following details apply to the input.
*4 Power consumption
At Power Supply Voltage of 10 to 30 VDC
Normal mode: 1,080 mW max. (Current consumption: 36 mA max. at 30 VDC, 74 mA max. at 10 VDC)
Eco function ON: 840 mW max. (Current consumption: 28 mA max. at 30 VDC, 50mA max. at 10 VDC)
Eco function LO: 930 mW max. (Current consumption: 31 mA max. at 30 VDC, 55 mA max. at 10 VDC)
*5 The mutual interference prevention function is disabled if the detection mode is set to Super-high-speed Mode.
*6 The bank is not reset by the user reset function or saved by the user save function.
Recommended fiber heads
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Fiber amplifier connectors
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*1 The E3NW-ECT Sensor Communications Unit can be used, but the E3NW-CRT/CCL, E3X-DRT21-S, and E3X-CRT/ECT Sensor Communications Units cannot be used.
*2 Two sensor outputs are allocated in the programmable logic controller (PLC) I/O table. PLC operation via Communications Unit enables reading detected values and changing settings.
*4 Power consumption
At Power Supply Voltage of 10 to 30 VDC
Normal mode: 1,080 mW max. (Current consumption: 36 mA max. at 30 VDC, 74 mA max. at 10 VDC)
Eco function ON: 840 mW max. (Current consumption: 28 mA max. at 30 VDC, 50mA max. at 10 VDC)
Eco function LO: 930 mW max. (Current consumption: 31 mA max. at 30 VDC, 55 mA max. at 10 VDC)
How can we help you?
If you have a question or would like to ask for a quote, please contact us or send a request.
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DownloadPerformance comparison
Registration mark detection
The packaging material used in many packaging machines is very often delivered in rolls and has to be cut and positioned accurately. In order to avoid waste and errors and to compensate for environmental influences, a registration mark (usually black or in a colour that provides maximum contrast to the background) is added to the packaging material.
The goal of any mark sensor development is to reliably detect these registration marks even in changing environmental conditions. A particular challenge is the frequent exchange of packaging materials and the continuously changing packaging designs.
At Omron we closely work together with leading packaging machine makers to evaluate the requirements for sensors from commonly used packaging material as well as most critical designs or materials. In addition the performance requirements vary according to the overall machine value concept.
Solution portfolio
Complex shape and position detection and synchronized quality inspection.
For positioning and machine synchronisation tasks e.g. requiring the recognition of words or symbols, the shape, position detection functionalities of the vision sensors and systems can be set up to provide solutions for the most complex and challenging tasks. The vision systems can also detect the registration mark and perform position and quality inspections at the same time.
- FQ2 - Simply guided and crystal clear
- Xpectia-Lite - Performance in touch with simplicity
Challenging designs or colour marks
Objects with complex designs or where the contrast between print mark and background is low, require sensors that allow an easy adaption to the specific requirements of the particular task.
- Amplifiers with digital value displays and advanced signal evaluation functions for application optimised settings
- Wide range of sensing heads fitting the application and distance requirements
- White LED, RGB ratio comparison and extended functionality
Standard print mark detection
For print marks most commonly used in the packaging and printing industry, the contrast sensors with white LED have an optimised light intensity and RGB ratio evaluation algorithm ensuring a stable and fast detection.
- Compact housing concept for high flexibility in machine design
- Fast response time of 50 μs
- Autoteach and white LED