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Writing Information to Your Dura-label
Read/write tags can be written to using the scanner. Each bit of memory
is write once, read many (WORM). Meaning after you have written to a
specific bit, it is permanent and cannot be overwritten or erased. To add
more data to the tag you must write to a different bit. Another feature
included with each user-writable word of memory is a Write-Protect bit.
This bit allows you to protect an entire word (16 bits) after any or all of
the bits have been written.
1. Start the Series 5 Demo application as described in the previous
section.
2. Position an object with a tag in the field and double click on its ID to
bring up the tag dialog.
3. In the Write Protect frame, hit “Query All”. Any writeable memory
location will become editable (white), while write protected memory
locations will stay gray.
4. Move the mouse cursor over a memory location and click within that
location to edit it. Enter a new value and then hit “refresh” or move
the cursor to a different memory location and click. The application
will attempt to write the value you specified to the tag.
5. The status of the tag will be displayed in the status box at the lower
part of the screen. If the write was unsuccessful, the value in the
memory location will change back to reflect the value actually stored
there.
6. To write protect a memory location, move the cursor to a memory
location and click the “Set” button in the Write Protect section. The
memory location will change from a white background to a gray
background to show that it is now write protected.
556-EP Manual.P65
2/27/2001, 3:21 PM
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