Omron F400 User guide

Cat.No. Z130–E1–1
F400
Color Vision Sensor
SETUP MANUAL

F400 Color Vision Sensor
Setup Manual
Produced May 1999

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Notice:
OMRON products are manufactured for use according to proper procedures by a qualified
operator and only for the purposes described in this manual.
The following conventions are used to indicate and classify precautions in this manual.
Always heed the information provided with them. Failure to heed precautions can result in
injury to people or damage to property.
DANGER Indicates an imminently hazardous situation which, if not avoided, will result in
death or serious injury.
WARNING Indicates a potentially hazardous situation which, if not avoided, could result in death
or serious injury.
Caution Indicates a potentially hazardous situation which, if not avoided, may result in minor
or moderate injury, or property damage.
Electric Shock
Indicates particular circumstances which, if not avoided, could result in
electric shock.
High Temperatures
Indicates particular circumstances which, if not avoided, could result in heat
burns.
Visual Aids
The following headings will help you locate different types of information.
Note Indicates information of particular interest for efficient and convenient operation of the
product.
→Indicates pages where additional information can be found.
1, 2, 3... 1. Indicates a procedure. The step numbers in the procedure correspond to the
numbers in any related illustrations.
Trademark
The F400 was developed in cooperation with KURABO INDUSTRIES LTD. is a
registered trademark of KURABO INDUSTRIES LTD.
OMRON, 1999
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form, or by
any means, mechanical, electronic, photocopying, recording, or otherwise, without the prior written permission of OMRON.
No patent liability is assumed with respect to the use of the information contained herein. Moreover, because OMRON is
constantly striving to improve its high-quality products, the information contained in this manual is subject to change without
notice. Every precaution has been taken in the preparation of this manual. Nevertheless, OMRON assumes no responsibility for
errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained in this
publication.

TABLE OF CONTENTS
vii
PRECAUTIONS xi. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 Safety Precautions xii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 General Precautions xii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 Export Precautions xiii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 1
Before Installing 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1 InstallationPrecautions 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2 Confirming Package Contents 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-3 Product Availability 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 2
Product Introduction 5. . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1 Component Names and Functions 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2 Connections 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3 Power Supply and Ground 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-4 Camera 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-5 CCTV Lens 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-6 Lighting 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-7 Mounting the Controller 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 3
Terminal Blocks 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-1 Crimp Terminals and Cables 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-2 Specifications 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-3 Terminals 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 4
RS-232C Connection 19. . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1 Connector 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-2 Wiring 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-3 Connection 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 5
Troubleshooting 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-1 Connection Errors 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-2 Errors during Menu Operation 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-3 Terminal Block Errors 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-4 RS-232C Communications Errors 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 6
Inspection 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-1 Regular Inspections 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 7
Specifications 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-1 F400 Vision Mate Controller 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-2 K150-KP Console 29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-3 Camera 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-4 Cables 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Revision History 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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About this Manual:
This manual describes the hardware for the F400 Color Vision Sensor and how to install the components,
and it includes the sections described below. This is one of three manuals used to operate the F400. Refer
to the following table for the contents of each manual.
Manual Contents Cat. No.
1:Introduction Manual Describes F400 capabilities and basic operating
procedures for beginners by using typical applications. Z131-E1-1
2:Setup Manual Provides information on system hardware and installation. Z130-E1-1
3:Operation Manual Describes operation of the F400, including setting of
criteria, communication with external devices, etc. Z135-E1-1
Please read the above manuals carefully and be sure you understand the information provided before
attempting to install or operate the F400.
Section 1 Before Installing describes the precautions that must be taken when installing and
operating the F400 Color Vision Sensor.
Section 2 Product Introduction describes the wiring, Camera, optical lenses, lighting modes,
and light guides used in the F400 System. It also describes how to mount the Vision Mate Con-
troller to DIN Track or to a flat surface.
Section 3 Terminal Blocks describes how to connect the terminal blocks.
Section 4 RS-232C Connection describes how to connect the RS-232C port.
Section 5 Troubleshooting lists the errors that may occur, along with their probable causes
and remedies.
Section 6 Inspection provides information on inspection.
Section 7 Specifications provides the specifications of the F400 components.
WARNING Failure to read and understand the information provided in this manual may
result in personal injury or death, damage to the product, or product failure.
Please read each section in its entirety and be sure you understand the
information provided in the section and related sections before attempting
any of the procedures or operations given.
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PRECAUTIONS
This section provides general precautions for using the F400 Color Vision Sensor.
The information contained in this section is important for the safe and reliable application of the F400 Color
Vision Sensor. You must read this section and understand the information contained before attempting to
set up or operate a F400 Color Vision Sensor.
1 Safety Precautions xii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 General Precautions xii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 Export Precautions xiii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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2General Precautions
xii
1 Safety Precautions
WARNING Cover the terminal blocks with the Terminal Block Protection Covers.
Uncovered terminal blocks can result in electric shock.
WARNING Use DC power supplies with safe extra low-voltage circuits on the
secondary side for the main F400 power supply and power supplies for
the terminal blocks. Excessively high voltages can result in electric
shock.
Caution Do not touch fluorescent or halogen lights while the power is ON or
immediately after the power is turned OFF. These lights generate heat
and can cause burns.
Caution Do not use the F400 in environments with flammable or explosive gases.
Caution Install the F400 away from high-voltage equipment or motors to ensure safety during
operation and maintenance.
Caution Use the power supply cables and crimp terminals of specified sizes.
Caution Turn ON the power supply after confirming the wiring.
Caution Use at the power supply voltages specified in this manual.
Caution Be sure to securely tighten the screws when mounting F400 components.
Caution Do not dismantle, repair or modify any F400 components.
Caution Dispose of F400 components as industrial waste.
Caution To prevent damage from static electricity, use a wrist strap or another device for pre-
venting electrostatic charges when touching terminals or connector signal lines.
Caution Do not turn OFF the power while a message is being displayed indicating that proces-
sing is being performed. Data in memory will be destroyed, and the F400 may not
operate correctly the next time it is started.
2 General Precautions
The user must operate the product according to the performance specifications de-
scribed in the operation manuals.
Before using the product under conditions which are not described in the manual or
applying the product to nuclear control systems, railroad systems, aviation systems,
vehicles, combustion systems, medical equipment, amusement machines, safety
equipment, and other systems, machines, and equipment that may have a serious
influence on lives and property if used improperly, consult your OMRON representa-
tive.
Make sure that the ratings and performance characteristics of the product are suffi-
cient for the systems, machines, and equipment, and be sure to provide the systems,
machines, and equipment with double safety mechanisms.

3Export Precautions
xiii
3 Export Precautions
These products are Controlled Products subject to Japanese Law.
They should not be sold, transferred, re-exported or otherwise used, disposed, and
other than original usage declared to the exporter without prior notification and ap-
proval to the exporter.

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SECTION 1
Before Installing
This section describes the precautions that must be taken when installing and operating the F400 Color Vision
Sensor.
1-1 Installation Precautions 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1-1 F400 Components 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1-2 Installation Site 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1-3 Installation 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1-4 Cables 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1-5 Camera 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2 Confirming Package Contents 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-3 Product Availability 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-1SectionInstallation Precautions
2
1-1 Installation Precautions
The F400 is highly reliable and resistant to most environmental factors. The following
guidelines, however, must be followed to ensure reliability and optimum use of the
F400.
1-1-1 F400 Components
Be sure to use the Camera, Camera Cable, and Console designed for the F400.
1, 2, 3... 1. F400-S1 Camera
2. F150-VS Camera Cable
3. F150-KP Console
1-1-2 Installation Site
Do not install the F400 in locations subject to the following conditions:
1, 2, 3... 1. Ambient temperatures outside of 0 to 50°C for all other F400 components
2. Condensation due to rapid temperature fluctuations
3. Relative humidities outside 35% to 85%
4. Corrosive or flammable gases
5. Dust, salt, or iron particles
6. Direct vibration or shock
7. Direct sunlight
8. Water, oil, or chemical fumes or spray
1-1-3 Installation
Orientation of Controller
To improve heat dissipation, install the Controller in the following orientation only:
CORRECT
Do not install the Controller in the orientations shown in the following diagram.
INCORRECT INCORRECT

1-2SectionConfirming Package Contents
3
Ambient Temperature
1, 2, 3... 1. Maintain a minimum clearance of 50 mm above and below F400 components to
improve air circulation.
2. Do not install F400 components immediately above strong heat sources, such as
heaters, transformers, or large-capacity resistors.
3. Do not let the ambient operating temperature exceed 50°C.
4. Provide a forced-air fan or air conditioning if the ambient temperature might
exceed 50°C.
Control box
Louver
F400
Noise Resistance
Use the following measures to help increase noise resistance.
1, 2, 3... 1. Do not install F400 components in a cabinet containing high-voltage equipment.
2. Do not install the F400 components within 200 mm of power cables.
200 mm min.
200 mm min.
Power cable
F400
1-1-4 Cables
Always turn OFF the power before connecting or disconnecting cables.
1-1-5 Camera
The Camera’s case is connected to the 0V line in the internal circuits. Heed the follow-
ing precautions to prevent noise interference.
1, 2, 3... 1. Do not ground the Camera.
2. Do not remove the base attached to the Camera.
3. Do not remove the core attached to the F150-VS Camera Cable.
1-2 Confirming Package Contents
Check the contents of the package as soon as you receive the F400. Contact the
nearest OMRON representative if any of the following items are missing.
1, 2, 3... 1. F400 Vision Mate Controller 1
2. Setup Manual (this manual) 1
3. Operation Manual 1
4. Introduction Manual 1

1-3SectionInstallation Precautions
4
1-3 Product Availability
Some of the products listed may not be available in some countries. Please contact
your nearest OMRON sales office by referring to the addresses provided at the back
of this manual.

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SECTION 2
Product Introduction
This section describes the wiring, Camera, optical lenses, lighting modes, and light guides used in the F400. It also
describes how to mount the Vision Mate Controller to DIN Track or to a flat surface.
2-1 Component Names and Functions 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2 Connections 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3 Power Supply and Ground 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3-1 Crimp Terminals and Cables 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3-2 Protective Conductor (Earth) Wiring 8. . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3-3 Wiring the Power Supply 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-4 Camera 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-5 CCTV Lens 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-5-1 Optical Chart 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-5-2 Lens 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-5-3 Extension Tubes 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-6 Lighting 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-6-1 Lighting Methods 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-6-2 Light Source 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-7 Mounting the Controller 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-7-1 Mounting to DIN Track 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-7-2 Mounting on a Flat Surface 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-1SectionComponent Names and Functions
6
2-1 Component Names and Functions
The following diagram shows the terminals, connectors, and indicators on the F400
Vision Mate Controller.
1. POWER
indicator
3. Power
supply
terminals
4. Output
terminals5. Input
terminals
6. Monitor
connector
7. Console
connector
8. Camera
connector
9. ERROR
indicator
10. RUN
indicator
11. RS-232C
connector
4. Output ter-
minals
Do not open.
2. Ground
terminal
1. POWER Indicator
Lit while power is ON.
2. Ground Terminal
Wired to the ground.
3. Power Supply Terminals
Wired to the power supply.
4. Output Terminals
Wired to external devices, such as
synchronous sensors or outputs to
a PLC.
5. Input Terminals
Wired to external devices, such as
synchronous sensors or inputs
from a PLC.
6. Monitor Connector
Connects to the video monitor.
7. Console Connector
Connects to the Console.
8. Camera Connector
Connects to the Camera.
9. ERROR Indicator
Lit when an error occurs.
10. RUN Indicator
Lit in RUN mode.
11. RS-232C Connector
Connects the F400 to a computer,
PLC or other external device.

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2-3SectionMounting the Controller
7
2-2 Connections
Connect the basic components as shown in the following diagram. Details are pro-
vided later in this section.
Caution Turn OFF the power to the Controller before connecting or disconnecting cables.
Connecting or disconnecting cables with power turned ON can damage peripheral
devices.
Power Supply →p. 8
(OMRON’s S82K-01524 recommended.)
F150-KP Console
(cable length: 2 m)
F150-VS Camera
Cable (3m) F150-VM Monitor
Cable (2 m)
BNC Jack
(accessory)
Video Monitor
F400-S1 Camera →p. 9
Note Use an NTSC monitor with an external video input terminal.
2-3 Power Supply and Ground
Wire the power supply and the ground to the top terminal block, and tighten the
screws to a torque of between 0.5 and 0.6 N⋅m.
After wiring, check to make sure that the wiring is correct.
WARNING Cover the terminal blocks with the Terminal Block Protection
Covers. Uncovered terminal blocks can result in electric shock.
2-3-1 Crimp Terminals and Cables
The terminal block uses M3 terminal screws. Use appropriate crimp terminals for M3
screws, as shown below.
Forked Round
6.2 mm max. 6.2 mm max.
Applicable wire size: Insulated wire of 1.31 to 1.65 mm2(AWG16 to AWG15)

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2-3SectionComponent Names and Functions
8
2-3-2 Protective Conductor (Earth) Wiring
Wire the ground as shown in the following diagram.
Caution Use an appropriate ground. An insufficient ground can affect F400 operation or result
in damage to F400 components.
•To avoid damage to the equipment, do not share the protective conductor wiring
with any other devices nor wire the protective conductor terminal to the girder. Be
sure to wire the protective conductor of the equipment independently.
•Keep the ground line as short as possible.
Ground of
100 Ωor less.
2-3-3 Wiring the Power Supply
WARNING Use a DC power supply with safe extra low-voltage circuits on the
secondary side. Excessively high voltages can result in electric
shock.
Use a power supply with the following specifications. We recommend using
OMRON’s S82K-01524 Power Supply.
Item Specification
Output current 0.6 A min.
Power supply voltage 24 VDC +10%/-15%
24 VDC
+–
Note 1. Wire the Power Supply Unit independently of other devices. In particular, keep
the power supply wired separately from inductive loads.
2. Keep the power supply cable as short as possible.

2-5SectionMounting the Controller
9
2-4 Camera
The Camera is designed for the F400.
Mounting the Camera
The specified camera distance is only an approximation. Mount the Camera so that it
can be adjusted to either side of the specified distance from the measurement object.
F400-S1 Camera
Two M4 holes with a
depth of 8 mm
1/4-20UNC with a
depth of 8 mm
Unit: mm
2-5 CCTV Lens
Refer to the following graph to select the appropriate Lens and Extension Tube. The
lens will differ depending on the size of the measurement object and the distance from
the Camera.
2-5-1 Optical Chart
The values in the following chart are approximations, and the Camera must be
adjusted after it is mounted.
t: Extension Tube length
Field of vision L (mm)
Camera distance A (mm)
Lens model: 3Z4S-LE

2-5SectionComponent Names and Functions
10
The X axis of the graph shows field of vision L (mm), and the Y axis shows the camera
distance A (mm). The curves on the graph indicate different lenses, and the “t”values
indicates the lengths of the Extension Tubes.
Camera
Extension Tube tj(mm)
Lens
Camera distance A (mm)
Field of vision L (mm)
2-5-2 Lens
Lens Focal length Bright-
ness Maximum outer diameter Total length Filter size
3Z4S-LE C418DX 4.8 mm F1.8 40.5-mm dia. 35.5 mm ---
3Z4S-LE B618CX-2 6.5 mm F1.8 48-mm dia. 42 mm
3Z4S-LE C815B 8.5 mm F1.5 42-mm dia. 40 mm M40.5 ×P0.5
3Z4S-LE B1214D-2 12.5 mm F1.4 42-mm dia. 50 mm
3Z4S-LE C1614A 16.0 mm F1.4 30-mm dia. 33 mm M27 ×P0.5
3Z4S-LE B2514D 25.0 mm F1.4 30-mm dia. 37.3 mm
3Z4S-LE B5014A 50.0 mm F1.4 48-mm dia. 48 mm M46 ×P0.75
3Z4S-LE B7514C 75.0 mm F1.4 62-mm dia. 79 mm M58 ×P0.75
30 dia.
Max. outer dia.
Total length
Unit: mm
2-5-3 Extension Tubes
One or more Extension Tubes are inserted between the lens and the Camera to focus
the Camera image. Use a combination of one or more of the six sizes of tube to
achieve the required length.
Note 1. Do not use the 0.5-mm and 1.0-mm Extension Tubes attached to each other.
Since these Extension Tubes are placed over the threaded section of the Lens or
other Extension Tube, the connection may loosen when more than one 0.5-mm
or 1.0-mm Extension Tube are used together.

2-6SectionMounting the Controller
11
2. Reinforcement may be required for combinations of Extension Tubes exceeding
30 mm if the Camera is subject to vibration.
Extension Tube
Model Maximum outer diameter Length
3Z4S-LE EX-C6 31 dia. Set of 6 tubes
0.5 mm, 1 mm, 5 mm, 10 mm, 20
mm, and 40 mm
Length: 40 mm 20 mm 10 mm 5 mm 1.0 mm 0.5 mm
2-6 Lighting
A stable image must be obtained to ensure accurate inspection. Use appropriate
lighting for the application and the measurement object.
2-6-1 Lighting Methods
Back Lighting A stable, high-contrast image can be obtained using back lighting.
Applications: Inspection of exterior shape or positioning inspection
Camera
Measurement object
Light source

2-6SectionComponent Names and Functions
12
Reflected Lighting
Ring Lights
Light is shone uniformly on the measurement object.
Applications: Surface inspections
Camera
Light source
Measurement object
Oblique Lighting
Detection can be made utilizing the difference in regular and diffuse reflected light.
Applications: Inspections for surface gloss
Camera
Light source
Measurement object
Coaxial Lighting
A stable image can be obtained with few shadows from uneven surfaces on the mea-
surement object.
Applications: Surface inspections, positioning, and hole inspections of compara-
tively small objects
Camera
Light source
Measurement object
Half mirror