Omron V460-H User Manual page 411

8 Troubleshooting
8-3 Q & A
Question
PPE stands for Pixels Per Element.
For 2D symbols, an element is one cell in a captured image.
What is PPE? For 1D symbols (barcodes), an element is the minimum bar width in a captured image.
Example: When [PPE=4.0] is displayed in WebLink
cell size is four pixels of the captured image.
In WebLink
Why do images
Since such images have lower resolution than full-resolution images, they might be blurred when magnified.
sometimes blur when
Important: The image will not blur if magnified at 1-to-1.
magnified in
When magnifying a full-resolution image with an actual resolution, use saved images.
WebLink ?
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For the image saving method, refer to
• Turn off the VPN function. When the VPN function is turned back on, local LAN connections other than the
VPN are disabled.
• Check the IP address using DDU.
What should I do if I
DDU (Discovery Device Utility) is a tool to search a reader whose IP address is lost. When the search was
can't connect to
succeeded, its IP address also can be changed.
WebLink ?
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Download the DDU from your regional Omron website.
• Initialize V460-H if the above measures does not help.
Related Q&A: How to initialize the settings?
The merits of WebLink
browser.
Use WebLink
What are the WebLink
advantages of using • No installation software (Web browser)
WebLink ? • Multiple languages supported: English, Japanese, German, Chinese (Simplified and Traditional), Spanish,
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Korean, French, Portuguese, Italian.
• Visually easy to understand UI
• No need to check that you have the same version of setup software as the firmware installed on the reader.
Enable Advanced - I/O - Output Object Info - Output Coordinates. Following the captured string, every four
Can the position of a
vertexes of the code are output.
code be included in
• Output example: When a code of 123456 was captured
output data?
123456,(0032,0040)(0287,0056)(0287,0279)(0048,0271)
It is possible to adjust with a serial command <@CAL> executing the calibration.
When executing the <@CAL> command, V460-H outputs numeric values indicating trial results in some
rows and then Calibration PASSED. When failed, Calibration FAILED is output.
Can serial commands
Example of a response when <@CAL> was succeeded.:
calibrate brightness or
Prog| Exposure Gain Brightness
focus?
2 | 5764 33 24
100 | 6011 33 37
Calibration PASSED.
The following describes a serial command to input a trigger in default.
• Serial Trigger command
ASCII character notation< >
Hex notation3C 20 3E
How do I input a Although space is a default in the center (Hex notation: 20), it can be changed to any ASCII character from
trigger in serial the menu below.
communications? WebLink
Additionally, from the menu below, any ASCII character can be set up to two characters for Start Trigger
Character/Stop Trigger Character that do not need < >.
WebLink
Trigger Character (Non-Delimted)
A PC can access a RAM drive using the FTP client tool.
The initial values of V460-H are as follows.
IP address
Path
How do I access a
Account
RAM drive from a PC?
Password
Example: When using your preferred web browser to access.
1. If the IP address is the default, enter ftp://192.168.188.2/sd0:0/User/Images in the address bar to connect.
2. Enter your account and password.
3. Download the file saved in the RAM drive to your PC.
8-4
, compressed images are displayed.
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are that does not require the installation and is easily operated to set with a Web
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. All functions are available and configurable.
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Advantages:
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- Gear icon - Advanced - Read Cycle - Serial Trigger - Serial Trigger Character (Delimited)
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- Gear icon - Advanced - Read Cycle - Serial Trigger - Start Trigger Character (Non-Delimited)/Stop
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Settings Value
192.168.188.2
imagesd0/images/
target
password
Answer
after decoding a Data Matrix symbol, the Data Matrix
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How do I save captured images?
V460-H Industrial Handheld DPM Reader User Manual