RFID Demo Application 4 - 15
Tag Locking
Tag locking is a two step process:
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Write the tag access password (see Figure on page 4-12)
•
Lock the tag (see Figure on page 4-14)
To write the access password first enter the access password of the tag:
1. Read the tag.
2. Click on the tag, it appear in the EPC Mask field.The tag is now selected for operations.
3. Write the access password for the tag:
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Select the Reserved memory bank as the target memory bank.
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In the Data field write 32 bits of access password (e.g.: 22222222 in the Data field.)
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Select User Offset as 2 (this is in words) of access password.
4. The following entries should be on the screen:
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Reserved memory bank should be selected
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User Offset field
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Data field, this is the access password
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EPC Mask field, the tag to write to
5. Click on Write.
6. Once the user has been successfully able write Access password on the tag, the tag can be locked.
To Lock the tag
1. Read the tag.
2. Click on the tag, it appear in the EPC Mask field.The tag is now selected for operations
3. Enter the access password values as programmed (in the case of this example 22222222) in the field next to
Lock.
4. Select the EPC memory bank as the target memory bank to lock the EPC ID field.
5. Select the Lock options, e.g.: EPC bank and Lock or permanently lock.
6. The following entries should be on the screen:
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EPC memory bank should be selected
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EPC Mask field, has the tag to write to
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Lock, this has the Lock password
•
Lock Options have been configured
7. Click on Lock
8. Tag is now locked.
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