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HF RWM and TAG Commands

HF RWM and TAG Commands. J.-D. Chatelain. HF RWM Commands. HF TAG Commands. Allows to activate or to deactivate the magnetic field of the RWM. Returns the status of the magnetic field of the RWM. Stores two bytes at a specified address of the memory of the RWM.

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HF RWM and TAG Commands

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  1. HF RWM and TAG Commands J.-D. Chatelain HF RWM Commands HF TAG Commands

  2. Allows to activate or to deactivate the magnetic field of the RWM

  3. Returns the status of the magnetic field of the RWM

  4. Stores two bytes at a specified address of the memory of the RWM

  5. Reads the block (two bytes) at the specified address of the memory

  6. Returns information on the firmware and the type of the RWM

  7. Each RWM stops to scan the transponders in front of it. RWMs come out from this mode as soon as a command is sent on the fieldbus.

  8. Restarts the RWM

  9. Defines the logical address of the RWM.

  10. Returns the address of the RWM in decimal.

  11. Defines the mode (physical or logical) of addressing the RWM.

  12. Returns the addressing mode of the RWM

  13. Activates or deactivates the protection mode of the RWM.

  14. Returns the status of the protection mode of the RWM

  15. HF RWM and TAG Commands J.-D. Chatelain HF RWM Commands HF TAG Commands Exit

  16. Reads the specified number of blocks (and protection code of each block if option flag = 1) starting from the specified address

  17. Writes the specified number of blocks of data starting from the specified address in the transponder(s) concerned.

  18. Protects definitively against writing the selected blocks

  19. Set the concerned transponder in the "Quiet state".

  20. Set the concerned transponder in the “Selected state".

  21. Set the concerned transponder(s) in the "Ready" state.

  22. Writes AFI (Application Family Identifier) code in the transponder(s) concerned.

  23. Protect definitively against writing the AFI code in the concerned transponder(s).

  24. Writes DSFID (Data Storage Format IDentifier) code in the transponder(s) concerned.

  25. Protect definitively against writing the DSFID code in the concerned transponder(s).

  26. Returns the specific characteristics of the transponder

  27. Commands to the transponder to return a random number

  28. Sends the encrypted password to the transponder in order to unlock it.

  29. Modification of the password A login (“Get Random Number” followed by “Set Password”) is mandatory before this command

  30. Locks, in an irreversible way, the specified password A login (“Get Random Number” followed by “Set Password”) is mandatory before this command

  31. Activates definitively a password of 64 bits made up of the read and write passwords A login (“Get Random Number” followed by “Set Password”) is mandatory before this command

  32. Protects the specified pages in accordance with the desired protection status A login (“Get Random Number” followed by “Set Password”) is mandatory before this command

  33. Locks, in an irreversible way, the protection conditions of the page concerned A login (“Get Random Number” followed by “Set Password”) is mandatory before this command

  34. Returns the protection state of the specified blocks

  35. Deactivates, in an irreversible way, the transponder which will not answer any command any more A login (“Get Random Number” followed by “Set Password”) is mandatory before this command

  36. HF RWM and TAG Commands End of this chapter J.-D. Chatelain

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