HF RWM and TAG
Commands
J.-D. Chatelain
HF RWM Commands
HF TAG Commands
©Contrinex 2013 - JDC
PPT_HF_RWMTAGCommands
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
Reads the block (two
bytes) at the specified
address of the memory
Returns information on
the firmware and the
type of the RWM
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.
Restarts the RWM
Defines the logical
address of the RWM.
Returns the address of
the RWM in decimal.
Defines the mode
(physical or logical) of
addressing the RWM.
Returns the addressing
mode of the RWM
Activates or deactivates
the protection mode of
the RWM.
Returns the status of
the protection mode of
the RWM
HF RWM and TAG
Commands
J.-D. Chatelain
HF RWM Commands
HF TAG Commands
Exit
Reads the specified
number of blocks (and
protection code of each
block if option flag = 1)
starting from the
specified address
Writes the specified
number of blocks of
data starting from the
specified address in the
transponder(s)
concerned.
Protects definitively
against writing the
selected blocks
Set the concerned
transponder in the
"Quiet state".
Set the concerned
transponder in the
“Selected state".
Set the concerned
transponder(s) in the
"Ready" state.
Writes AFI (Application
Family Identifier) code
in the transponder(s)
concerned.
Protect definitively
against writing the AFI
code in the concerned
transponder(s).
Writes DSFID (Data
Storage Format
IDentifier) code in the
transponder(s)
concerned.
Protect definitively
against writing the
DSFID code in the
concerned
transponder(s).
Returns the specific
characteristics of the
transponder
Commands to the
transponder to return a
random number
Sends the encrypted
password to the
transponder in order to
unlock it.
Modification of the
password
A login (“Get Random Number”
followed by “Set Password”) is
mandatory before this command
Locks, in an irreversible
way, the specified
password
A login (“Get Random Number”
followed by “Set Password”) is
mandatory before this command
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
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
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
Returns the protection
state of the specified
blocks
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
End
HF of
RWM
thisand
chapter
TAG
Commands
J.-D. Chatelain
©Contrinex 2013 - JDC
PPT_HF_RWMTAGCommands