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Omron E3X-NA11 User Manual

Omron E3X-NA11
44 pages
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E3X-NAUser-Friendly Fiber-Optic Amplifier
Solve Your Basic Sensing Challenges
Easily with the E3X-NA Series
Streamlined features provide basic sensing
immediately after plug-in
Wire-saving
amplifiers reduce installation
time and minimize space requirements
Master/slave connector design affords
connectivity for up to 16 wire-saving
amplifiers
Use the LED bar display to quickly confirm
sensor performance
Optical communication design prevents
mutual interference for up to 5 amplifiers
Green LED models address
mark-detecting
applications
High-speed models have a response time
of 50 µs
Select a
water-resistant
model (IP66 rating)
using an M8 connector
Prewired water-resistant models are available
Ordering Information:
Amplifier Units, Connectors, Accessories and Fiber-Optics
Amplifier Units with Cables
Ty pe Part number Control output Appearance
NPN output PNP output
Standard E3X-NA11 E3X-NA41 ON/OFF
High-speed E3X-NA11F E3X-NA41F
Mark-detection E3X-NAG11 E3X-NAG41
Water-resistant E3X-NA11V E3X-NA41V
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Omron E3X-NA11 Specifications

General IconGeneral
ModelE3X-NA11
CategoryAmplifier
Output TypeNPN
IP RatingIP67
Housing MaterialABS
Supply Voltage12 to 24 VDC ±10%, ripple (p-p): 10% max.
Response Time1 ms
Operating Temperature-25 to 55°C (with no icing or condensation)
Light SourceRed LED
Protection CircuitReverse polarity protection, short-circuit protection
Ambient Humidity35 to 85% RH (with no condensation)
Output ConfigurationNPN
Connection MethodPre-wired (2 m)

Summary

User-Friendly Fiber-Optic Amplifier

Ordering Information

Amplifier Units with Cables

Details amplifier units with attached cables, covering type, part numbers, control output, and appearance.

Connector-Ready Amplifiers

Lists connector-ready amplifier units with part numbers, applicable connectors, control output, and appearance.

Amplifier Unit Connectors

Details amplifier unit connectors, including appearance, cable length, number of conductors, and part numbers.

Combining Amplifier Units and Connectors

Guidance on combining amplifier units and connectors, with examples for ordering.

Sensor I/O Connectors

Details sensor I/O connectors, including size, cable specifications, appearance, cable type, and part numbers.

Accessories

Lists separate accessories such as mounting brackets, end plates, and fiber-optic cables.

Specifications

Amplifier Units

Comprehensive specifications for amplifier units, including output type, light source, supply voltage, and response time.

Amplifier Unit Connectors

Specifications for amplifier unit connectors, detailing rated current, voltage, contact resistance, and material.

Nomenclature

Amplifier Units

Illustrates and labels the components and indicators of the amplifier units.

LED Bar Display

Explains the function of the LED bar display for incident level indicators and operation status.

Operation

Output Circuits

Diagrams and explanations of NPN and PNP output circuits, including timing charts and transistor states.

Connectors (Sensor I/O Connectors)

Details the terminal numbers, conductor colors, and applications for sensor I/O connectors.

Engineering Data (Typical)

Parallel Operating Range

Graphical representation of parallel operating ranges for various fiber units at max sensitivity.

Operating Range

Graphical data showing operating ranges for different fiber units with standard sensing targets.

Dimensions

Amplifier Units with Cables (with Mounting Bracket Attached)

Dimensional drawings for amplifier units with cables and mounting brackets.

Water-Resistant Amplifier Units with Cables (with Mounting Bracket Attached)

Dimensional drawings for water-resistant amplifier units with cables and mounting brackets.

Wire-Saving Amplifiers

Dimensions with Master Connector Connected

Dimensional views of wire-saving amplifiers connected to master connectors.

Dimensions with Slave Connector Connected

Dimensional views of wire-saving amplifiers connected to slave connectors.

M8 Connector-Ready, Water-Resistant Amplifier Units

Amplifier Unit Connectors (Order Separately)

Master Connectors

Dimensional details and notes for master connectors (E3X-CN11).

Slave Connectors

Dimensional details and notes for slave connectors (E3X-CN12).

Sensor I/O Connectors (Order Separately)

Straight Connector (at One End of Cable)

Dimensional drawings and specifications for straight sensor I/O connectors.

L-shaped Connector (at One End of Cable)

Dimensional drawings and specifications for L-shaped sensor I/O connectors.

Accessories (Order Separately)

Mounting Bracket for E3X-NA, E3X-NAF, and E3X-NAG Models

Dimensional details for mounting brackets E39-L143.

Mounting Bracket for E3X-NAV Models

Dimensional details for mounting brackets E39-L148.

End Plate

Dimensional details for the end plate (PFP-M).

Precautions

Wiring Precautions

Safety precautions related to power supply voltage, load short-circuits, polarity, and no-load operation.

Power

Precautions for turning power ON/OFF, power supply type, and communications hole usage.

Wiring the Amplifier Unit

Guidelines for wiring amplifier units, including cable extension, separation from power lines, and power supply types.

Mounting the Amplifier Unit

Joining Amplifier Units

Procedure for joining multiple amplifier units together for mounting.

Separating Amplifier Units

Procedure for separating amplifier units that have been joined together.

Mounting

Instructions for mounting amplifier units onto brackets or DIN rails.

Removal

Steps for removing amplifier units from their mounting.

Operating Environment

Considerations for operating environment, like dust accumulation on optical holes.

Ratings and Specifications

Note on how ratings and specifications are derived from random samples.

Protective Cover

Instruction to ensure the protective cover is mounted before use.

Mounting the Fiber Unit

Tightening Force

Specifies the recommended tightening force for fiber unit screws.

Cutting Fiber

Instructions and procedures for cutting fiber optic cables using a fiber cutter.

Fiber Connection and Disconnection

Step-by-step guide for connecting and disconnecting fiber units to the amplifier.

Connection

Mounting Amplifier Units with Connectors

Procedure for mounting amplifier units with master or slave connectors attached.

Bending Radius

E39-F11 Sleeve Bender

Guidance on using the sleeve bender to maintain optimal bending radius for fiber tubes.

REFLECTOR

Precautions when Using the Reflector (E39-R3)

Precautions for using E39-R3 reflectors, including surface cleaning and environmental limitations.

Mounting End Plate (PFP-M)

Reflector

Use of E39-R3 Reflector

Instructions for using the E39-R3 reflector, focusing on surface cleaning and handling.

E39-F32 Protective Spiral Tubes

Procedure for inserting fiber into protective spiral tubes and securing them.

E39-F10 Fiber Connector

Sensing Distance with Fiber Optic Cables

Through-beam Fiber Units

Table detailing sensing distances and specifications for through-beam fiber units.

Fiber Units with Reflective Sensors

Long distance

Sensing distances and specifications for reflective sensors for long-distance applications.

3-mm dia.; small diameter

Specifications for reflective sensors with 3-mm diameter, small diameter, and various applications.

General-purpose

Specifications for general-purpose reflective sensors with M3 and M6 screw types.

M3; small diameter

Specifications for reflective sensors with M3 screw, small diameter, and specific applications.

Thin fiber

Specifications for thin fiber reflective sensors, including sleeve and diameter options.

2.5-mm dia.; with sleeve

Details on reflective sensors with 2.5-mm dia. fiber and sleeve, for various applications.

1.2-mm dia.; with sleeve

Specifications for reflective sensors with 1.2-mm dia. fiber and sleeve, including application details.

0.8-mm dia.; for detecting minute sensing targets

Specifications for reflective sensors with 0.8-mm dia. fiber for detecting minute targets.

0.5-mm dia.; for detecting minute sensing targets

Specifications for reflective sensors with 0.5-mm dia. fiber for detecting minute targets.

High-Precision Fiber-optic Amplifier

Ordering Information

AMPLIFIER UNITS

Details on amplifier units, including output types, part numbers, light source, and voltage specifications.

Specifications

Nomenclature

Amplifier Units

Identification and labeling of amplifier unit components and indicators.

OUTPUT CIRCUITS

Diagrams illustrating NPN and PNP output circuits for the amplifier.

OPERATION MODE

Explanation of the Light-ON and Dark-ON operation modes.

SENSITIVITY SETTING AND ADJUSTMENT

Sensitivity Setting

Overview of sensitivity setting methods: maximum, slight differences, and without objects.

Sensitivity Adjustment (Fine-tuning)

Methods for fine-tuning sensitivity on production lines and ideal operation in changing environments.

Manual-tuning (Fine Sensitivity Adjustment)

Detailed procedure for manual fine sensitivity adjustment.

Auto-tuning (Automatic Sensitivity Compensation)

Explanation of the auto-tuning function for automatic sensitivity compensation.

SENSITIVITY SETTING (TEACHING)

Maximum Sensitivity Setting

Procedure for setting the amplifier to maximum sensitivity.

Two-point Teach Mode

Step-by-step guide for performing two-point sensitivity teaching.

One-point Teach Mode

Diffuse (Light-ON) Fiber Unit

Procedure for one-point teach mode for diffuse (Light-ON) fiber units.

Through-beam (Dark-ON) Fiber Unit

Procedure for one-point teach mode for through-beam (Dark-ON) fiber units.

SENSITIVITY ADJUSTMENT (TUNING)

Manual-tuning (Fine Sensitivity Adjustment)

Detailed steps for manual tuning, adjusting sensitivity via UP/DOWN selector.

Auto-tuning (Automatic Sensitivity Compensation)

Procedure for initiating auto-tuning for automatic sensitivity compensation.

SENSITIVITY SETTING-THRESHOLD SETTING AND INDICATORS

Maximum Sensitivity Setting

Guidelines for maximum sensitivity setting with through-beam and diffuse fiber units.

2-Point Teach Mode

Procedure for 2-point teach mode for detecting surface irregularities or irregular reflections.

RUN/ADJ Mode

Explanation of incident level indicators in RUN/ADJ mode and manual-tuning levels.

One-point Teach Mode

Diffuse (Light-ON) Fiber Unit

Procedure for one-point teach mode for diffuse (Light-ON) units.

Through-beam (Dark-ON) Fiber Unit

Procedure for one-point teach mode for through-beam (Dark-ON) units.

THRESHOLD LEVEL AND INDICATOR LEVELS

Setting the Initial Threshold

Procedure for setting the initial threshold using one-point teaching and auto-tuning.

Threshold Compensation

Explanation of automatic threshold compensation and its timing.

Dimensions

AMPLIFIER

Dimensional drawings and specifications for the E3X-NH amplifier unit.

Installation

CUTTING FIBER

Instructions for cutting fiber optic cables and marking for insertion.

FIBER CONNECTION OR DISCONNECTION PROCEDURES

Steps for connecting and disconnecting fiber units using the lock button.

Connection

Guidelines for connecting fiber units, including force limits and bending radius.

BENDING RADIUS

E39-F11 Sleeve Bender

Guidance on using the sleeve bender for optimal fiber bending radius.

REFLECTOR

Precautions when Using the Reflector (E39-R3)

Precautions for using E39-R3 reflectors, including cleaning and environmental restrictions.

ATTACHMENT UNITS

E39-F10 Fiber Connector

Procedure for connecting fibers using the E39-F10 Fiber Connector.

Protective Spiral Tube

Instructions for inserting fiber into protective spiral tubes and securing them.

AMPLIFIER UNITS

Mounting

Instructions for mounting amplifier units onto brackets or DIN rails.

Removal

Steps for removing amplifier units from their mounting.

When Side-Mounting

Connection

Turning the Power ON

Precautions

WARNING

General safety warning regarding the E3X-NH as a non-safety component.

AVOID DAMAGE TO THE E3X-NH SENSOR

Precautions to prevent damage to the sensor, covering voltage, polarity, and load.

REFLECTOR

Precautions for using E39-R3 reflectors regarding surface cleaning and exposure.

Precautions for Using the E39-R3 Reflector

Specific precautions for E39-R3 reflector use, including cleaning and chemical exposure.

MUTUAL INTERFERENCE PROTECTION

Guidance on performing two-point teaching to prevent mutual interference.

EEPROM WRITING ERROR

Note on potential EEPROM writing errors and the need to re-teach.

SENSING A MINUTE OBJECT

Disclaimer that typical examples for minute object detection are for reference only.

WHEN THE POWER IS OFF

Warning about potential pulse signals when power is turned off.

POWER SUPPLY

Precautions for power supply grounding and voltage requirements.

WIRING

Instructions to avoid wiring amplifier and power lines in the same conduit.

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