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Siemens SIMATIC RF680M Operating Instructions Manual
Also see for SIMATIC RF680M: Function manual
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The software "RF-MANAGER"8.3 Application mode "Mobile"SIMATIC RF680M Mobile ReaderOperating Instructions, 06/2011, J31069-D0241-U001-A2-7618 47The tag has the status "Open" when it has been identified (access without password) and"Secured" when its access password has been evaluated.w p Description0 0 The associated memory area can be written in both the "Open" and "Secured" states.0 1 The associated memory area can be permanently written in both the "Open" and "Secured"states and can no longer be locked.1 0 The associated memory area can only be written in the "Secured" state, but not in the"Open" state.1 1 The associated memory area cannot be written, regardless of the state of the tag.r/w p Description0 0 The associated password area can be read and written in both the "Open" and "Secured"states.0 1 The associated password area can be permanently read and written in both the "Open"and "Secured" states and can no longer be locked.1 0 The associated password area can be read and written in the "Secured" state, but not inthe "Open" state.1 1 The associated memory area cannot be read or written, regardless of the state of the tag.This state can be used to protect the passwords on the tag from being read out andoverwritten.ExampleKill PWD Access PWD EPC memory TID memory User memoryMask 1 1 1 1 1 1 0 0 0 0Action 1 0 1 0 1 0 0 0 0 0In the above example, the mask bits only enable the actions for the memory areas "Killpassword", "Access password" and "EPC memory"; no change is made to the accessmechanisms in the TID memory and user memory areas.The bits assigned to the mask in this example mean:● "Kill password":The kill password can be read and written by the "Secured" state, but not by the "Open"state.You must know the access password of the tag to read or write the kill password.● "Access password":The access password can be read and written from the "Secured" state, but not from the"Open" state.You must know the access password of the tag to read or write the access password.● "EPC memory":This memory area can be written from the "Secured" state, but not from the "Open" state.You must know the access password of the tag to write a new ID to the tag. |
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