Mitsubishi Electric MELSENSOR Vision Sensor VS20 Series User manual

Vision Sensor VS20
User's Manual
-VS20M-11F310
-VS20M-12F410
-VS20M-13F410
-VS20C-12F410
-VS20C-13F410
This product is designed and manufactured by Cognex Corporation.
*Note that the warranty and general specifications of this product
differ from that of programmable controller products.

1
PRECAUTIONS REGARDING WARRANTY AND
SPECIFICATIONS
This product is designed and manufactured by Cognex Corporation. Note that the warranty and general specifications of this
product differ from that of programmable controller products.
•Warranty
• General specifications
CE
This section describes a summary of precautions when bringing into CE conformance the machinery formed by using the
vision sensor.
Note that the descriptive content is material created based on regulation requirements and standards obtained by Mitsubishi
Electric Corporation. However, machinery manufactured in accordance with this content is not necessarily guaranteed to
conform with the above commands.
Final judgment regarding CE conformance or the method of conformance must be the judgment of the machinery
manufacturer itself.
To meet the CE compliant conditions, implement the following items.
• Significant amount of noise on the power source may cause malfunction. Use a regulated DC power supply with an
isolating transformer for the power supply. Additionally, install a noise filter (SNR-10-223 by COSEL or an equivalent
product) between the vision sensor and the regulated DC power supply.
Item Vision sensor Programmable controller product (Example: MELSEC iQ-R
series)
Free warranty period 18 months after delivery or 24 months
after manufacture
36 months after delivery or 42 months after manufacture
Repair period after discontinuation of
manufacture
7 years 7 years
Item Specifications Programmable controller product (Example: MELSEC iQ-R series)
Ambient operating
temperature
0 to 400 to 55(when a base unit other than an extended temperature range base unit is used)
0 to 60(when an extended temperature range base unit is used)
Ambient storage
temperature
-10 to 60-25 to 75
Maximum humidity Less than 95% RH, non-condensing 5 to 95% RH, non-condensing
Vibration resistance IEC 60068-2-6: A vibration of 10 G
(10 to 500 Hz at 100 m/with 15 mm
width) was applied to each X, Y, and
Z direction for 2 hours.
Compliant
with JIS B
3502 and IEC
61131-2
Frequency Constant
acceleration
Half
amplitude
Sweep count
Under
intermittent
vibration
5 to 8.4 Hz 3.5 mm 10 times each
in X, Y, and Z
directions
8.4 to 150
Hz
9.8 m/
Under
continuous
vibration
5 to 8.4 Hz 1.75 mm 
8.4 to 150
Hz
4.9 m/
Shock resistance IEC 60068-2-27: 1000 half
sinusoidal shocks with 11 G in 10 ms
were applied.
Compliant with JIS B 3502 and IEC 61131-2 (147m/, 3 times each in X, Y, and Z bidirections)
Operating
atmosphere
There is no danger of corrosive
gases, flammable gases, and strong
alkaline substances to adhere.
No corrosive gases, flammable gases, less conductive dust
Protective structure IP65 (when all connectors are
attached to cables or shielded by a
sealing cap)

Installation location Outside a control panel Inside a control panel

2
Precautions
Ground the FG terminal with the ground cable as short as possible (with the length of 30 cm or shorter).
• EMC application
• UL/cUL application
Item Vision sensor Programmable controller product (Example: MELSEC iQ-R
series)
EMC applicable standard EN61131-2 EN61131-2
Item Vision sensor Programmable controller product (Example: MELSEC iQ-R
series)
UL/cUL applicable standard UL60950-1
CSA22.2
UL508
CSA22.2

3
SAFETY PRECAUTIONS
(Read these precautions before using this product.)
Before using this product, please read this manual and the relevant manuals carefully and pay full attention to safety to handle
the product correctly.
The precautions given in this manual are concerned with this product only. For the safety precautions of the programmable
controller system, refer to the user's manual for the CPU module used.
In this manual, the safety precautions are classified into two levels: " WARNING" and " CAUTION".
Under some circumstances, failure to observe the precautions given under " CAUTION" may lead to serious
consequences.
Observe the precautions of both levels because they are important for personal and system safety.
Make sure that the end users read this manual and then keep the manual in a safe place for future reference.
[Installation Precautions]
[Installation Precautions]
[Wiring Precautions]
WARNING
●Before touching the vision sensor, be sure to touch an electric conductor such as grounded metal to
discharge the static electricity from your body. Otherwise, damage or faulty operation of the vision
sensor may occur.
●Be sure to install an I/O connector module to the main module. If not installed, dust or water-proof
performance may not be obtained.
CAUTION
●IP protection rating is guaranteed only when all the connectors are connected with cables or sealed
with sealing caps.
●The cable is designed to connect with its key aligned with the keyway of the connector on the Vision
Sensor. Do not force the connections or damage may occur.
CAUTION
●Use only 24 V DC and observe the indicated polarity. Otherwise, fire or damage may result.
●The frame ground terminal of the I/O module and the shield ground of each connector (RS232 OUT
port and SENSOR port) are internally conducting. The system ground is designed on the condition
that a ground connection is provided. The ground potential may affect the vision sensor and
peripheral devices such as programmable controllers via cables. For safe operation, it is
recommended to connect all the ground connections securely.
WARNING Indicates that incorrect handling may cause hazardous conditions, resulting in
death or severe injury.
CAUTION Indicates that incorrect handling may cause hazardous conditions, resulting in
minor or moderate injury or property damage.

4
[Startup and Maintenance Precautions]
PRECAUTIONS FOR USE
Observe the following precautions when installing and operating the vision sensor, to reduce the risk of injury or equipment
damage:
• This device requires the use of an LPS or NEC class 2 power supply.
• To reduce the risk of damage or malfunction due to over-voltage, line noise, electrostatic discharge (ESD), power surges, or
other irregularities in the power supply, route all cables away from high-voltage power sources.
• A vision sensor does not contain user-serviceable parts. Do not make electrical or mechanical modifications to a vision
sensor.
Any modification may void your warranty.
• Changes or modifications not expressly approved by the party responsible for regulatory compliance could void the user’s
authority to operate the equipment.
• If the bend radius or service loop is smaller than 10 times of the cable diameter, the cable may cause cable shielding
degradation, cable damage, or wear out in a short period. The bend radius must begin at least 152.4 mm from the
connector.
• This equipment is a Class A device. Using this equipment in a domestic environment may cause radio disturbance. In this
case, the user may be required to take appropriate measures.
• If there is concern about noise, set a noise filter (SNR-10-223, COSEL or an equivalent) between the vision sensor and the
stabilized DC power supply.
• To maintain the safety of the system against unauthorized access from external devices via the network, take appropriate
measures.
To maintain the safety of the system against unauthorized access from external devices via the Internet, take measures
such as installing a firewall.
CAUTION
●Do not clean the vision sensor with highly irritating or corrosive solvent such as caustic alkali solution,
methyl ethyl ketone (MEK), and gasoline. Doing so may cause a fault.

5
CONDITIONS OF USE FOR THE PRODUCT
(1) This vision sensor shall be used in conditions;
i) where any problem, fault or failure occurring in the vision sensor, if any, shall not lead to any major or serious
accident; and
ii) where the backup and fail-safe function are systematically or automatically provided outside of the vision sensor for
the case of any problem, fault or failure occurring in the vision sensor.
(2) This vision sensor has been designed and manufactured for the purpose of being used in general industries.
MITSUBISHI SHALL HAVE NO RESPONSIBILITY OR LIABILITY (INCLUDING, BUT NOT LIMITED TO ANY AND ALL
RESPONSIBILITY OR LIABILITY BASED ON CONTRACT, WARRANTY, TORT, PRODUCT LIABILITY) FOR ANY
INJURY OR DEATH TO PERSONS OR LOSS OR DAMAGE TO PROPERTY CAUSED BY THIS VISION SENSOR
THAT ARE OPERATED OR USED IN APPLICATION NOT INTENDED OR EXCLUDED BY INSTRUCTIONS,
PRECAUTIONS, OR WARNING CONTAINED IN MITSUBISHI'S USER, INSTRUCTION AND/OR SAFETY MANUALS,
TECHNICAL BULLETINS AND GUIDELINES FOR the VISION SENSOR.
("Prohibited Application")
Prohibited Applications include, but not limited to, the use of the vision sensor in;
• Nuclear Power Plants and any other power plants operated by Power companies, and/or any other cases in which the
public could be affected if any problem or fault occurs in the vision sensor.
• Railway companies or Public service purposes, and/or any other cases in which establishment of a special quality
assurance system is required by the Purchaser or End User.
• Aircraft or Aerospace, Medical applications, Train equipment, transport equipment such as Elevator and Escalator,
Incineration and Fuel devices, Vehicles, Manned transportation, Equipment for Recreation and Amusement, and
Safety devices, handling of Nuclear or Hazardous Materials or Chemicals, Mining and Drilling, and/or other
applications where there is a significant risk of injury to the public or property.
Notwithstanding the above, restrictions Mitsubishi may in its sole discretion, authorize use of the vision sensor in one or
more of the Prohibited Applications, provided that the usage of the vision sensor is limited only for the specific
applications agreed to by Mitsubishi and provided further that no special quality assurance or fail-safe, redundant or
other safety features which exceed the general specifications of the vision sensors are required. For details, please
contact the Mitsubishi representative in your region.

6
INTRODUCTION
Thank you for purchasing the Mitsubishi Electric FA sensor, MELSENSOR.
This manual describes the specifications, functions, system configuration, system construction, installation, maintenance and
inspection, and troubleshooting to use the vision sensors listed below.
Before using the product, please read this manual and relevant manuals carefully, and develop familiarity with the functions
and performance of the MELSENSOR vision sensor to handle the product correctly.
Please make sure that the end users read this manual.
Available vision sensors
Product name Model
VS20 VS20M-11F310, VS20M-12F410, VS20M-13F410, VS20C-12F410, VS20C-13F410

7
CONTENTS
CONTENTS
PRECAUTIONS REGARDING WARRANTY AND SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
PRECAUTIONS FOR USE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
CONDITIONS OF USE FOR THE PRODUCT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
RELEVANT MANUALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
TERMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
CHAPTER 1 PRODUCT OVERVIEW 11
CHAPTER 2 PART NAMES 13
CHAPTER 3 SPECIFICATIONS 15
3.1 General Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.2 Performance Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Working distance and field of view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.3 I/O Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Image acquisition trigger input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
High-speed outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
High-speed output wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Ethernet cable specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Breakout cable specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
I/O module cable specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
CHAPTER 4 FUNCTION LIST 24
CHAPTER 5 SYSTEM CONFIGURATION 26
5.1 Ethernet Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
5.2 I/O Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5.3 I/O Connection Using an I/O Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
5.4 Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
5.5 Applicable System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
When using CC-Link IE Field Network Basic or iQ Sensor Solution functions . . . . . . . . . . . . . . . . . . . . . . . . . . 30
When not using CC-Link IE Field Network Basic or iQ Sensor Solution functions . . . . . . . . . . . . . . . . . . . . . . . 30
5.6 Hardware Components and Optional Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Items to prepare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Items to prepare as needed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
CHAPTER 6 SYSTEM CONSTRUCTION 33
6.1 Installation Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
6.2 Change in Sensor Configuration (Straight to Right Angle) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
6.3 Installation of a Vision Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Installation in straight configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Installation in right-angle configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6.4 Connection of an Ethernet Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.5 Connection of a Breakout Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Connection example of a breakout cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
6.6 Focus Position Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

8
6.7 Lens Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.8 Installation of a Lens Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
6.9 Replacement of an LED Ring Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
6.10 Connection of an I/O Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Specifications of CIO-1400 I/O modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Connection procedure of a CIO-1400 I/O module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Connection example of a CIO-1400 I/O module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
CHAPTER 7 INSTALLATION 51
7.1 Software Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
7.2 Registration of a Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
CHAPTER 8 MAINTENANCE AND INSPECTION 53
8.1 Cleaning a Vision Sensor Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
8.2 Cleaning an Image Sensor Window. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
8.3 Cleaning a Lens Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
CHAPTER 9 TROUBLESHOOTING 55
APPENDIX 57
Appendix 1 External Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
REVISIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
TRADEMARKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

9
RELEVANT MANUALS
e-Manual refers to the Mitsubishi Electric FA electronic book manuals that can be browsed using a dedicated
tool.
e-Manual has the following features:
• Required information can be cross-searched in multiple manuals.
• Other manuals can be accessed from the links in the manual.
• Hardware specifications of each part can be found from the product figures.
• Pages that users often browse can be bookmarked.
• Sample programs can be copied to an engineering tool.
Manual name [manual number] Description Available form
Vision Sensor VS20 User's Manual
[SH-081769ENG] (this manual)
Describes the functions, installation methods, system configuration, required
hardware components, etc. of the vision sensor VS20.
Print book
e-Manual
PDF
Vision Sensor Connection Guide
[BCN-P5999-0861]
Describes the procedures for connecting a vision sensor to a MELSEC
programmable controller to control a vision system through a CC-Link IE Field
Network Basic connection, an SLMP connection, or an I/O connection.
e-Manual
PDF

10
TERMS
Unless otherwise specified, this manual uses the following terms.
Term Description
Built-in Ethernet port LCPU A generic term for L02CPU, L02CPU-P, L06CPU, L06CPU-P, L26CPU, L26CPU-P, L26CPU-BT, and
L26CPU-PBT.
Engineering tool Tool for setting, programming, debugging, and maintenance of programmable controller.
A generic term for GX Works2, GX Works3, and MELSOFT Navigator.
Exposure time In photographing by a camera, the time that imager type being exposed to the light through the lens
after the shutter is opened
Feature (target object) A target object in an image.
FTP An abbreviation of File Transfer Protocol.
The communication protocol to transfer files on the network.
FX3UCPU A generic term for FX3UCPU and FX3UCCPU.
FX5CPU A generic term for MELSEC iQ-F series CPU modules.
GX Works2 A generic product name for SWnDND-GXW2 and SWnDNC-GXW2. ('n' indicates its version.)
GX Works2 corresponding to MELSOFT Navigator is the product later than GX Works2 Version 1.11M.
GX Works3 The product name of the software package, SWnDND-GXW3, for the MELSEC programmable
controllers. ('n' indicates its version.)
High-speed Universal model QCPU A generic term for Q03UDVCPU, Q04UDVCPU, Q06UDVCPU, Q13UDVCPU, and Q26UDVCPU.
In-Sight Explorer Setup tool for a vision sensor manufactured by Cognex Corporation.
Job The vision controlling program created with the setup tool for the vision sensor.
Machine vision A system that recognizes images instead of human eye, and performs locationing, classification,
measuring, and inspection.
MELSOFT Navigator The product name of the IDE (integrated development environment) in SWnDND-IQWK model
(MELSOFT iQ Works) (The 'n' represents a version.)
QnUDE(H)CPU A generic term for Q03UDECPU, Q04UDEHCPU, Q06UDEHCPU, Q10UDEHCPU, Q13UDEHCPU,
Q20UDEHCPU, Q26UDEHCPU, Q50UDEHCPU, and Q100UDEHCPU.
RnCPU A generic term for R04CPU, R04ENCPU, R08CPU, R08ENCPU, R16CPU, R16ENCPU, R32CPU,
R32ENCPU, R120CPU, and R120ENCPU.
RnENCPU A generic term for R04ENCPU, R08ENCPU, R16ENCPU, R32ENCPU, and R120ENCPU.
SLMP An abbreviation of SeamLess Message Protocol.
The protocol to access the programmable controller connected from the external device to the SLMP
corresponding device, or connected to the SLMP corresponding device.
Universal model process CPU A generic term for Q04UDPVCPU, Q06UDPVCPU, Q13UDPVCPU, and Q26UDPVCPU.
Vision sensor VS20 A generic term for VS20M-11F310, VS20M-12F410, VS20M-13F410, VS20C-12F410, and VS20C-
13F410.

1 PRODUCT OVERVIEW
11
1
1PRODUCT OVERVIEW
Vision sensor VS20s are developed for automated inspection, measurement, and identification applications on the factory
floor, and can be used in network connections as well as for standalone applications.
Vision sensor VS20 can be configured remotely over a network.
Ethernet cable
Programmable controller
Ethernet cable
Switching
hub
Vision sensor
Ethernet cable
(COGNEX product)
Breakout cable
24 VDC
power supply 100 V power supply
Engineering tool, Profile
Vision sensor setup tool

12 1 PRODUCT OVERVIEW
MEMO

2 PART NAMES
13
2
2PART NAMES
Standard components
The three main parts of a vision sensor VS20 are shown below.
Connectors and indicators
The built-in lighting system and other features of a vision sensor VS20 are shown below.
Item Part name
(1) Optics module, featuring high brightness white LED ring light and 8 mm lens
(2) Main module, including image sensor and CPU
(3) I/O connector module
Item Name
(1) Illumination LEDs
(2) Mounting hole (M3×3.5 mm)
(3) Mounting hole (M3×3.5 mm)
(4) TRIG button
(5) Power indicator
(6) Trigger status indicator (LED5 (Yellow))
(7) Pass/Fail indicator (LED4 (Green)/LED4 (Red))
(8) Network status indicator
(9) Error indicator
(10) TUNE button (unsupported)
(11) Power, I/O and RS-232 connector
(12) Ethernet connector
(1)
(2)
(3)
(1)
(2) (3)
(2) (3)
(4)
(5) (6)
(7) (8)
(9)
(10)
(11)
(12)

14 2 PART NAMES
Indicator display specifications
The display specifications for each indicator are as follows.
*1 The status can be changed by setting "Inputs/Outputs" in In-Sight Explorer. (Page 24 FUNCTION LIST)
TRIG button
An image capture can be started manually by pressing the TRIG button.
Item Color Meaning
Power indicator Green Power ON
Status indicator Yellow Active*1
Pass/Fail indicator Green Pass (default*1)
Red Fail (default*1)
Network status indicator Yellow Link up
Orange (blink) Data transfer
Error indicator Red Error
TRIG button

3 SPECIFICATIONS
3.1 General Specifications 15
3
3SPECIFICATIONS
This chapter shows the specifications of vision sensor VS20s.
3.1 General Specifications
The following shows the general specifications of vision sensor VS20s.
*1 Do not install it in the following places:
⋅Where the ambient temperature or humidity exceed the applicable ranges
⋅Where condensation occurs due to sudden temperature changes
⋅Where there is corrosive or flammable gas
⋅Where there are a lot of conductible dust, iron filings, or salt
⋅Where in danger of organic solvents, such as benzene, thinner, and alcohol or strong alkaline substances such as caustic soda to
adhere
⋅Where subject to much vibration or shock
⋅Where in danger of liquid such as water, oil, or chemicals to adhere
Item Specifications
Ambient operating temperature 0 to 40
Ambient storage temperature -10 to 60
Maximum humidity Less than 95% RH, non-condensing
Vibration resistance IEC 60068-2-6: A vibration of 10 G (10 to 500 Hz at 100 m/with 15 mm width) was applied to each X, Y, and Z
direction for 2 hours.
Shock resistance IEC 60068-2-27: 1000 half sinusoidal shocks with 11 G in 10 ms were applied.
Operating atmosphere There is no danger of corrosive gases, flammable gases, and strong alkaline substances to adhere.
Protective structure IP65 (when all connectors are attached to cables or shielded by a sealing cap)
Installation location*1 Outside a control panel

16 3 SPECIFICATIONS
3.2 Performance Specifications
3.2 Performance Specifications
The following shows the performance specifications of vision sensor VS20s.
*1 The resolutions of VS20M-13F410 and VS20C-13F410 are 640×480 pixels. The resolutions can be set as 800×600 pixels in In-Sight
Explorer.
For details, refer to the help of In-Sight Explorer.
*2 The maximum frame rate when all of the following conditions are applied.
⋅Minimum exposure
⋅No connection with In-Sight Explorer
⋅Image resolution: 640×480 (2×image magnification mode for VS20M-12F410 and VS20M-13F410 models).
*3 For details on an I/O module, refer to the following section.
Page 32 I/O module
*4 When an I/O module is connected, the high speed output is only sink type up to 50 mA, and the general-purpose output is sink type or
source type up to 100 mA which can be set by users.
Specifications VS20M-11F310 VS20M-12F410 VS20C-12F410 VS20M-13F410 VS20C-13F410
Memory 32 MB flash memory
Unlimited storage when storing in the remote network device
Image processing: 128 MB SDRAM
Imager type 1/3-inch CMOS, 4.80 mm×3.60 mm (W×H), 3.75 μm sq. pixels
Lens S-mount/M12, 8 mm (standard), Options: 3.6 mm, 6 mm, 12 mm, 16 mm, 25 mm
Image resolution (pixels) 640×480 (standard) 640×480 (standard) 640×480 (standard)
640×480 (2×image magnification mode) 640×480 (2×image magnification mode)
800×600 (2×image magnification mode)*1
Bit depth 256 gray levels (8 bits/pixel). 24-bit color 256 gray levels (8 bits/
pixel).
24-bit color
Electronic shutter speed 1 μs to 1000 ms
Maximum image acquisition
speed*2
40 full frames per
second
75 full frames per
second
55 full frames per
second
75 full frames per
second
55 full frames per
second
Power consumption 24 V DC ±10%, 48 W (2.0 A) maximum when the illumination is ON.
Trigger • Opto-isolated image acquisition trigger input ×1
• Remote software commands via Ethernet
Voltag
e
• ON: 15 to 24 V DC (standard 24 V DC)
• OFF: 0 to 5 V DC (standard 0 V DC)
Curren
t
• 3.6 mA/12 V DC
• 7.5 mA/24 V DC
• Resistance: Max. 5.48 kΩ
Discrete inputs • Opto-isolated general-purpose input ×1
• General-purpose input ×7: Available when connecting a CIO-1400 I/O module*3
Voltag
e
• ON: 15 to 24 V DC (standard 24 V DC)
• OFF: 0 to 5 V DC (standard 0 V DC)
Curren
t
• 3.6 mA/12 V DC
• 7.5 mA/24 V DC
• Resistance: Max. 5.48 kΩ
Discrete outputs • Opto-isolated high-speed output ×4
• High-speed output ×2, general-purpose output ×6: Available when connecting a CIO-1400 I/O module*3
Voltag
e
28 VDC maximum through external load
Curren
t*4
• ON status: Max. 50 mA (sink or source)
• Leakage current in OFF status: Max. 100 μA
• External load resistance: 240 Ωto 10 kΩ
Each line is rated at a maximum 50 mA and protected against over-current, short circuits, and transients from switching
inductive loads.
A protection diode is required for a high inductive load.
Network communication CC-Link IE Field Network Basic, SLMP scanners, SLMP, MODBUS/TCP, TCP/IP, UDP, FTP, Telnet (native mode), DHCP
(default at shipment from the factory), fixed and link local IP address setting
Other communications RS-232 (RxD, TxD (TIA/EIA-232-F reference))
Material Aluminum housing
Mounting M3 screw holes ×4
Dimensions Straight configuration: 92 mm×60 mm×52 mm
Weight 200g

3 SPECIFICATIONS
3.2 Performance Specifications 17
3
Working distance and field of view
The distance from a lens to an inspection target is referred to as 'working distance', and an area where a vision sensor can
see at that distance is referred to as 'field of view.'
As the working distance increases, so does the field of view.
• VS20M-11F310, VS20M-12F410, VS20C-12F410, VS20M-13F410, VS20C-13F410
• VS20M-12F410, VS20C-12F410, VS20M-13F410, VS20C-13F410
• VS20M-13F410, VS20C-13F410
0
0
100
200
300
400
500
600
700
100 200 300 400 500 600 700 800
3.6mm
6mm
8mm
12mm
16mm
25mm
Field of View Width (mm)
Horizontal Field of View (640 × 480)(default)
Working distance (mm)
100
3.6mm
6mm
8mm
12mm
16mm
25mm
0
0
100
200
300
400
500
600
700
100 200 300 400 500 600 700 800
Field of View Width (mm)
Horizontal Field of View (640 × 480)
(2 × image magnification mode)
Working distance (mm)
3.6mm
6mm
8mm
12mm
16mm
25mm
0
0
100
200
300
400
500
600
700
100 200 300 400 500 600 700 800
Field of View Width (mm)
Horizontal Field of View (800 × 600)
(2 × image magnification mode)
Working distance (mm)

18 3 SPECIFICATIONS
3.3 I/O Specifications
3.3 I/O Specifications
This section shows the connection example of the image acquisition trigger input and high-speed outputs, and specifications
for cables and connectors.
For details of breakout cables, refer to the following section.
Page 22 Breakout cable specifications
Image acquisition trigger input
An opto-isolated image acquisition trigger input (×1) is integrated into a vision sensor.
Image acquisition can be started using a sink type device or source type device.
To start the image acquisition with these devices, "Camera" needs to be selected from the pull-down list of "Trigger" under
"Edit Acquisition Settings" in In-Sight Explorer.
To trigger from the output of a sink type photodetector or programmable controller, connect 'Trigger' of a breakout cable to the
output of a photoelectric sensor or an output module, and connect 'Input common' to 24 V DC.
When the output is turned ON, 'Trigger' is pulled down to 0 V DC and the opto-coupler of the sensor is turned ON.
To trigger from the output of a source type photodetector or programmable controller, connect 'Trigger' of a breakout cable to
the output of a detector or an output module, and connect 'Input common' to 0 V DC.
When the output is turned ON, 'Trigger' is pulled up to 24 VDC and the opto-coupler of the sensor is turned ON.
Specifications Description
Voltage • ON: 15 to 24 VDC (standard: 24 VDC)
• OFF: 0 to 5 VDC (standard 0 VDC)
Current • 3.6 mA/12 V DC
• 7.5 mA/24 V DC
• Resistance: Max. 5.48 kΩ
Delay Maximum 1.45 ms delay from when a vision sensor receives a trigger to when an image acquisition starts
Minimum 1ms wide for an input pulse
Maximum voltage between input pins: 28 VDC, minimum voltage transition: 12 VDC
2.74K
2.74K
1.0K
+3.3V
10K
Trigger
Input common