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E3Z-R81 Compact Photoelectric Sensor with a Secure Track Record of One, OMRON E3Z-R81
Brand: OMRON
Name: Compact Photoelectric Sensor
Model: E3Z-R81
Sensing method: Retro-reflective with MSR function.
Connection method: Pre-wired (2 m).
Sensing distance: 4 m(100 mm).
Model: PNP output .
The Standard for Photoelectric Sensors,
with a Secure Track Record of One,
Million Sold Yearly.
Long sensing distance of 30 m for Through-beam Models, 4 m for,
Retro-reflective Models, and 1 m for Diffuse-reflective Models.
Mechanical axis and optical axis offset of less than ±2.5° simplifies,
optical axis adjustment.
High stability with unique algorithm that prevents interference of,
external light.

Sensing method: Diffuse-reflective Sensors.
Appearance: Horizontal.
Connection method: Pre-wired.
Sensing distance: 700 mm.
Functions: --.
Model: PNP output.
Ordering Information.
Built-in Amplifier Photoelectric Sensors. Slit width: Width 0.5, 1, 2, 4 × 11 mm.
Installation procedure: Plug-in type OMRON E3Z-R81.
Applicable type: E3S-CT@1. Simple and perfect optical fiber amplifier products,
High anti interference with optoelectronic IC Technology
Long sensing distance E3Z-R81
New photoelectric IC, enhanced anti interference.
Power supply reverse protection, output short circuit protection and output reverse connection protection. Optical system: diffuse type.
Detection distance: 80 positive and negative 15mm OMRON E3Z-R81.
Beam shape: linear beam.
Beam diameter: 900mm * 60 M.
Resolution: 2 m.
Cable length: 2m. Size: M8(Stainless steel)(See note 2.); Double; Unshielded.
Sensing distance: 4 mm.
Connecting method (See note 1.): Pre-wired.
Body length: Short.
Output configuration: PNP.
Operation mode NC.
A new generation in global applications. E32-T21L type: special beam type; long range / high function,
Specialty: M3 screws (small),
Shape / detection distance (mm): 540; 440; 250 (100),
Bending radius (mm): R10 OMRON E3Z-R81.
Standard test object (minimum test object) (mm) 1: 0.9 (0.005),
Fiber element for meeting diversified needsAppearance: Close mounting.
Sensing method: Throughbeam type(with slot) OMRON Compact Photoelectric Sensor.
Connecting method: Connector(4 poles).
Sensing distance: 5 mm (slot width).
Output configuration: Dark-ON/Light-ON (selectable) OMRON Compact Photoelectric Sensor.
Indicator mode: Incident light.
Model: NPN output.
Global Standard Slot-type.
photomicrosensors with 50- to,
100-mA direct switching capacity.
Series includes models that enable switching between,
dark-ON and light-ON operation.
Response frequency as high as 1 kHz.
Easy operation monitoring with bright light indicator OMRON Compact Photoelectric Sensor.
Wide operating voltage range: 5 to 24 VDC.
Models in which the light indicator turns ON for dark-ON,
operation are also available.
A wide range of variations in eight different shapes.
Flexible robot cable is provided as a standard feature. Item: Advanced models; Twin-output models.
Functions: Area output, self-diagnosis, differential operation.
Model: PNP output.
Advanced Fiber Amplifier Units.
Features a Power Tuning function that optimizes light,
reception at the press of a button E3Z-R81.
APC circuits to suppress LED aging degradation used with,
4-element LEDs.
2-channel models achieve the thinnest* profile in the industry,
at only 5 mm per channel.
2-channel models alsoo offer AND/OR control output OMRON E3Z-R81.
The E3X-MDA0 with two channels supports an EtherCAT Sensor.
Communications Unit or CompoNet Sensor Communications Unit.


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