kENDALL Electric Cognex DataMan 260 Manuale utente
Kendall Technology Summit
2017
DataMan ID Basic and Advanced Labs
Featuring the DataMan 260
i
Table of Contents
Lab 1: Connecting to the DataMan reader . . . . . . . . . . . . . . . . . . . . . . 1
Lab 2: Tuning the reader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Lab 3: Symbology Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Lab 4: Read Setups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Lab 5: Data Validation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Lab 6: Buffering and Transferring Images . . . . . . . . . . . . . . . . . . . . . . 36
Lab 7: Trigger Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
1
Connecting to the DataMan Reader
Introduction:
This lab will show you how to start with a DataMan 260 reader that is at factory defaults, assign it an
IP address that matches your computer’s address and connect to the reader.
Start:
Your computer has a static IP address already assigned to it. One easy method for determining the
IP address of your computer is to use the Command Prompt and the command line ipconfig. This
will return the IP address and subnet mask (along with other related information) for all of the
Network Interface Cards (NIC) on your computer.
To determine the IP address of the wired NIC on your computer click on the Start menu and type
cmd in the search box at the bottom of the menu (Fig. 1).
As you type this, the pane above it will begin to populate with matches; at the top you should see a
selection for the Command Line terminal (Fig. 2); click it to open the Command Line terminal.
When it opens you should see something like the image on the next page (Fig. 3).
Fig. 1 - Find Command Line
Fig. 2 - Launch Command Line
2
At the cursor type the command ipconfig and press enter. You should see the window populate with
information about the available NIC’s, both wired and wireless (see Fig. 4).
The above terminal window shows this computer has two NIC’s on different subnets, one of which
uses DNS and the other does not. Your computer may also have two, a wired and a wireless. Find
the IP Address and the subnet mask of the wired NIC and write them down.
Fig. 3 - Command Line Terminal
Fig. 4 - IP Address Information
3
The next step in the lab is to reset the reader to factory defaults; this will be accomplished with a
control code. Control codes are special codes that create a desired known state in a Cognex
reader. Regardless of whether a reader is configured to read Data Matrix codes or is natively
capable of reading Data Matrix codes, a control code will always be read. The code below (Fig. 5)
resets a DataMan 260/262 to factory defaults and can be found on the inside back cover of the
DataMan 260 Reference Manual. With the reader powered up, place this page beneath the
reader and align the code using the aimer LED’s. Press and hold the trigger button on the reader for
several seconds. As soon as you press it, the illumination LED’s will flash once and a couple of
seconds later they will flash multiple times; once you see this you can release the trigger button.
The reader will then reset and proceed to boot up.
At this point you can open the DataMan Setup Tool software by double clicking the icon on the desk
top. When it finishes opening you will see something like the image below (Fig. 6). This shows the
available devices that are connected via a serial connection and via an Ethernet connection. As the
factory default state for a Cognex reader is for DHCP to be enabled, the reader is stuck at a link
local address and does not appear in the list.
Fig. 5 - Reset to Factory Defaults
Fig. 6 - DataMan Setup Tool Connect Tab
4
In order to assign the reader a static IP address, first click on Repair & Support under Maintenance
and if the reader is not immediately visible click the Refresh button (Fig. 7). By doing this the
network will be scanned for all devices and the reader should appear (Fig. 8).
When a device is set for DHCP (Dynamic Host Configuration Protocol) and nothing serves it an
address it defaults to what is know as a link local address; this IP address takes the form of
169.254.X.X with a subnet mask of 255.255.0.0. as is seen here. Click on this device to highlight it
and in the pane on the right a dialog will appear where the address of the device can be changed
(Fig. 9 on next page).
Fig. 7 - Repair & Support Tab
Fig. 8 - Found Misconfigured Device
5
Select the Use Static IP Address radio button and enter an IP Address and Subnet Mask consistent
with your computers IP Address configuration (Fig. 10). You could create a username and
password if you desire; the default is as shown here. Click Apply.
When you click Apply the command will be sent to the reader and after several seconds the reader
will disappear from the list. At this point the reader is restarting so that the new IP address can be
retained. After a couple of minutes it will finish the reboot and reappear with the new IP address set
(Fig. 11 on next page).
Fig. 9 - Current Device Settings
Fig. 10 - New Device Settings
6
You can now click on the Connect tab where the reader should also appear; click on it to select it
and click the Connect button in the lower right corner of the window. The software will then connect
to the reader. You should see a message box appear (Fig. 12) showing the connection status for
the reader and when it has finished connecting to the reader it will disappear and the software will be
ready to use to configure the reader.
Conclusion:
You have learned how to reset a reader to factory defaults, learned about control codes, learned
how to take a brand new reader and assign it an IP Address and connect to it.
Fig. 11 - Properly Configured Device
Fig. 12 - Connection Status
7
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