E32 Special application

Special application fiber sensor heads

For a wide range of special applications, the task optimised fiber heads provide best fitting sensing performance and adaption to environmental requirements.

Detection of special objects (liquids, transparent foils, etc.)
Fiber heads ideal for colour mark detection
Fiber heads optimised for special tasks (wafer mapping, hot reflective surface detection, etc.)

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Specifications & ordering info

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Common features

Free cut TRUE
Material core Plastic

Sensing method (4)

Diffuse reflective ()
Limited reflective ()
Not Applicable ()
Through-beam ()

Application (6)

Area detection ()
Field assembly ()
Liquid level detection ()
Object detection ()
Transparent object detection ()
Wafer mapping ()

Degree of protection (IP) (3)

IP50 ()
IP67 ()
IP68 ()

Sensing surface orientation (3)

Right-angle ()
Side-view ()
Top-view ()

Material sheath (3)

Fluororesin ()
PVC ()
Polyethylene ()

Product	Sensing method	Shape	Size	Application	Features	Temperature range	Sensing distance	Cable length	Bending radius	Free cut	Material core	Degree of protection (IP)	Sensing surface orientation	Material sheath	Description
E32-A01 5M	Through-beam	Square		Liquid level detection	Bend resistant	-40-70 °C		5 m	4 mm	Yes	Plastic	IP50		Fluororesin	Fiber optic sensor head, liquid level detection, tube mounting 3.2; 6.4 and 9.5mm diameter, R4 bend resistant fiber, 5 m cable
E32-C91N 2M	Diffuse reflective	Threaded	M6	Object detection	90° cable exit, Flexible fiber, Hexagonal back, Small spot with lens	-40-70 °C	1170 mm	2 m	4 mm	Yes	Plastic	IP67	Right-angle	Polyethylene	Fiber optic sensor head, diffuse, M6 hexagonal back, right-angled head, coaxial, R4 fiber, 2 m cable
E32-D36T 2M	Diffuse reflective	Square		Liquid level detection		-40-70 °C	0 mm	2 m	4 mm	Yes	Plastic	IP67	Side-view	Polyethylene	Fiber optic sensor head, diffuse, liquid level detection, tube mounting without diameter restrictions, R4 fiber, 2 m cable
E32-D82F1 4M	Diffuse reflective	Cylindrical axial	dia 6 mm	Liquid level detection	Heat-resistant	-40-200 °C	0 mm	4 m	25 mm	Yes	Plastic	IP68	Top-view	Fluororesin	Fiber optic sensor head, diffuse, cylindrical axial, diameter 6 mm, liquid level detection by contact, R25 heat resistant fiber, up to 200ºC, 4 m cable
E32-E01 100M	Not Applicable	Fiber on roll	dia 2.2 mm	Field assembly		-40-70 °C		100 m	10 mm	Yes	Plastic				Optical fiber roll, 100 m, 2.2 mm diameter, R10 fiber
E32-E01 10M	Not Applicable	Fiber on roll	dia 2.2 mm	Field assembly		-40-70 °C		10 m	10 mm	Yes	Plastic				Optical fiber roll, 10 m, 2.2 mm diameter, R10 fiber
E32-E01R 100M	Not Applicable	Fiber on roll	dia 2.2 mm	Field assembly	Flexible fiber	-40-70 °C		100 m	2 mm	Yes	Plastic				Optical fiber roll, 100 m, 2.2 mm diameter, R2 flexible fiber
E32-E01R 10M	Not Applicable	Fiber on roll	dia 2.2 mm	Field assembly	Flexible fiber	-40-70 °C		10 m	2 mm	Yes	Plastic				Optical fiber roll, 10 m, 2.2 mm diameter, R2 flexible fiber
E32-E02 100M	Not Applicable	Fiber on roll	dia 1 mm	Field assembly		-40-60 °C		100 m	15 mm	Yes	Plastic			Polyethylene	Optical fiber roll, 100 m, 1 mm diameter, R15 fiber
E32-E02 10M	Not Applicable	Fiber on roll	dia 1 mm	Field assembly		-40-60 °C		10 m	15 mm	Yes	Plastic			Polyethylene	Optical fiber roll, 10 m, 1 mm diameter, R15 fiber
E32-E02R 100M	Not Applicable	Fiber on roll	dia 1 mm	Field assembly	Flexible fiber	-40-70 °C		100 m	1 mm	Yes	Plastic			Polyethylene	Optical fiber roll, 100 m, 1 mm diameter, R1 flexible fiber
E32-E02R 10M	Not Applicable	Fiber on roll	dia 1 mm	Field assembly	Flexible fiber	-40-70 °C		10 m	1 mm	Yes	Plastic			Polyethylene	Optical fiber roll, 10 m, 1 mm diameter, R1 flexible fiber
E32-E05 100M	Not Applicable	Fiber on roll	dia 2.2 mm	Field assembly		-40-150 °C		100 m	20 mm	Yes	Plastic				Optical fiber roll, 100 m, 2.2 mm diameter, R20 heat resistant fiber, up to 150ºC
E32-E05 10M	Not Applicable	Fiber on roll	dia 2.2 mm	Field assembly		-40-150 °C		10 m	20 mm	Yes	Plastic				Optical fiber roll, 10 m, 2.2 mm diameter, R20 heat resistant fiber, up to 150ºC
E32-ET34 2M	Through-beam	Cylindrical radial	dia 6 mm	Object detection		-40-70 °C	150 mm	2 m	5 mm	Yes	Plastic		Side-view		Fiber optic sensor head, through-beam, cylindrical radial, diameter 6 mm, R5 fiber, 2 m cable
E32-G14	Through-beam	Square		Object detection		-40-70 °C	10 mm	2 m	25 mm	Yes	Plastic	IP67	Top-view	Polyethylene	Fiber optic sensor head, through-beam, slot type, 10 mm, R25 fiber, 2 m cable
E32-G16 2M	Through-beam	Square		Area detection		-40-70 °C	10 mm	2 m	5 mm	Yes	Plastic	IP50	Top-view	Polyethylene	Fiber optic sensor head, through-beam, 10mm slot type, 10 mm area detection, R5 fiber, 2 m cable
E32-L11FP 2M	Limited reflective	Square		Transparent object detection	Chemical-resistant	-10-60 °C	20 mm	2 m	40 mm	Yes	Plastic	IP67	Top-view	Fluororesin	Fiber optic sensor head, limited reflective, transparent object detection, square, top-view, R40 chemical resistant fiber, 2 m cable
E32-L25T 2M	Limited reflective	Square		Liquid level detection		-40-70 °C		2 m	10 mm	Yes	Plastic	IP50		Polyethylene	Fiber optic sensor head, limited reflective, liquid level detection, tube mounting 8 to 10 mm diameter, R10 fiber, 2 m cable
E32-T24S 2M	Through-beam	Cylindrical radial	dia 3.5 mm	Object detection, Wafer mapping		-40-70 °C	4000 mm	2 m	10 mm	Yes	Plastic	IP50	Side-view	PVC	Fiber optic sensor head, through-beam, cylindrical radial, diameter 3.5 mm, R10 fiber, 2 m cable

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Accessories

Type	Comment	Order code
Focal lens	- Extends sensing distance by more than 500% - For M4 Through beam fibers E32-TC200, E32-ET11R, E32-T11 (fits M2.6 thread) - 2 pcs per set	E39-F1


Focal lens (side view)	- For M4 through beam fibers E32-TC200, E32-ET11R, E32-T11, E32-T61-S, E32-T81R-S (fits M2.6 thread) - Temperature range -40 to 200°C - 2 pcs per set	E39-F2


Focal lens (variable)	- For precision detection with E32-D32	E39-F3A
Focal lens	- For precision detection with E32-EC41	E39-F3A-5
	- For precision detection with E32-EC41	E39-F3B
	- For precision detection with M6 coaxial diffuse reflective fibers (e.g. E32-CC200)	E39-F18
Focal lens (side view, variable)	- For precision detection with E32-EC31	E39-EF51
Focal lens (heat resistant)	- Extends sensing distance by more than 500% - For M4 through beam fibers E32-ET51, E32-T61, E32-T61-S, E32-T81R, E32-T81R-S (fits M4 thread) - Temperature range -60 to 350°C - 2 pcs per set	E39-EF1-37-2



		E39-F16
Focal lens (vacuum resistant, heat resistant)	- Fits E32-T51V and E32-T54V (fits M2.6 thread) - 2 units per set - Heat resistant up to 120°C	E39-F1V


Fiber cutter	- Included in applicable fiber	E39-F4
Thin fiber attachment	- Amplifier adapter for thin fibers - Included in applicable fiber (2 sets)	E39-F9
Thin fiber attachment		E39-F9
Sleeve bender	- For E32-TC200B(4) - For E32-TC200F(4) - For E32-DC200F(4)	E39-F11


Single fiber extension connector	- Fiber extension connector for 2.2 mm dia standard fibers - One unit	E39-F10
Single fiber extension connector		E39-F10
Dual fiber extension connector	- For fibers with dia 2.2	E39-F13
	- For fiber with dia 1.0	E39-F14
	- For fibers with dia between 1.0 and 2.2	E39-F15

Protective spiral tube 1	- For M3 diffuse type sensors - Length 1 m	E39-F32A
	- For M3 diffuse type sensors - Length 1 m	E39-F32A
	- For M3 through beam type sensors - Length 1 m	E39-F32B
	- For M3 through beam type sensors - Length 1 m	E39-F32B
	- For M4 through beam type sensors - Length 1 m	E39-F32C
	- For M4 through beam type sensors - Length 1 m	E39-F32C
	- For M6 diffuse type sensors - Length 1 m	E39-F32D
	- For M6 diffuse type sensors - Length 1 m	E39-F32D

Fiber on roll 2	- Dia 2.2 mm - Standard monocore, 10 mm bending radius - -40 to 80°C	E32-E01 100M


	- Dia 1.1 mm - Standard monocore, 15 mm bending radius - -40 to 80°C	E32-E02 100M


	- Dia 2.2 mm - High flex multicore, 1 mm bending radius - -40 to 80°C	E32-E01R 100M


	- Dia 1.1 mm - High flex multicore, 1 mm bending radius - -40 to 80°C	E32-E02R 100M


	- Dia 2.2 mm - High temperature monocore, 20 mm bending radius - -60 to 150°C	E32-E05 100M

1. Protective spiral tubes with 0.5 m length are available. Add '5' to order code ... e.g. E39-F32A5

2. Fiber length 100 m on a roll - cut to length

1. Protective spiral tubes with 0.5 m length are available. Add '5' to order code ... e.g. E39-F32A5

2. Fiber length 100 m on a roll - cut to length

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Features

Challenging print marks

In combination with the colour/mark detection amplifier E3NX-CA, the recommended fibers for colour/mark detection allow the detection of standard and challenging marks even for complex designs or with small contrast.

Flat glass in all environments

The limited reflective fiber heads for glass detection provide a stable detection of flat glass in standard, hot or wet environment. The shapes and materials are optimized to provide the best value - performance ratio depending on the requirements.

Very small height differences

For the detection of very small height differences like labels on foils in applications where space is crucial, the small sized limited reflective sensors provide accurate detection up to 100μm resolution.

Performance comparison

Usable signal and noise

Issue 1: Increasing the difference between usable signal and noise

The goal of any transparent sensor development is to increase the difference between usable signal and noise.

And the operational stability of the sensor depends on how well the following factors are achieved:

Compensating for dirt and water on the lens
Temperature compensation
Changing ambient light immunity
Electromagnetic noise immunity

Our solution:

At Omron we take several steps to increase the operational stability by maximising the difference between signal and noise:

In design: circuit layouts, shielding, filtering technologies and material selection ensure a minimal background noise and highest environmental influence compensation.
In technologies: in addition to using the retro reflective technology with standard polarisation technology, some materials e.g. PET have characteristics that additionally polarize light. This effect can be utilized further to enhance the difference between usable signal and noise.
In production: production technologies that allow a minimal deviation from the desired target specification values ensure that the performance of a sensor evaluated at the design-in phase does not vary during mass machine production.
In application: the selection of the fitting sensor in combination with choosing an appropriate mounting and parameter setting can further enhance the operational stability and/or detection accuracy.

Compensating for optical effects

Issue 2: Compensating for optical effects

As light travels through differing transparent materials (glass/PET) the following detection errors can occur:

Lens-effect: transparent objects with convex shapes (e.g. shower gel bottles) can perform like a lens and allow too much light to be received by the sensor. This can result in a false reading that no object is present or it can cause a so-called double-triggering (2 signals for only one object).
Total reflection: if the emitted light meets the surface of a transparent object at a certain angle, the light can be totally reflected instead of going through the transparent object. If the totally reflected beam hits the receiver, it can falsely result in a "no object" reading.

Our solution:

At Omron we use special coaxial optics for our higher value and application specific sensors. These special coaxial optical sensors reduce or completely eliminate the above described optical effects. Cylindrical sensors utilise the coaxial optics to prevent false signals caused by incorrect installation or turning sensors using conventional separate sender and receiver optics.

Process related requirements

Issue 3: Process related requirements

In order to select the correct transparent detection sensor taking also machine and process related issues into consideration is very important:

Minimal space between bottles
Conveying speed of the bottles/containers
Object size or shape (miniature objects, flat glass, etc)
Limited mounting space or long distances
Hot, wet or hygienic environments
Detection of container and content at the same time (e.g. vial and plug, vial and lyo cake, glass syringe with or without protective cover,…)

Application examples detection of 2 states with one sensor:

State 1: Transparent container + object present e.g. plug, lyo cake or syringe cover (OK state)
State 2: Transparent container WITHOUT object (not OK state)

Our solution:

At Omron we have a global network of application engineers. Their technical knowledge and experience will assist you and your company in making the correct product selection to fit your organisation industrial automation requirements and needs. What can we do for you?