Password Mode With Ipc03 - Pepperl+Fuchs IDENT-I system P IPT FP Series Manual

IPT*-FP WITH U-P6-B5-V
Operation on the INTERBUS
7.7.2

Password mode with IPC03

Note!
The password is a 32-bit word that is set to "0" before a new IPC03 data carrier leaves the
factory. The password cannot be read. In order to write the passwords for the "Control Word"
and the "Protection Word", the processing must always be in password mode.
Password Mode
Byte
Byte 0
Byte 1
Byte 2
Byte 3
.
.
.
Byte 9
Response:
Byte
Byte 0
Byte 1
Byte 2
Byte 3
.
.
.
Byte 9
Activates (Mode <F> = "1") and deactivates (Mode <F> = "0") the password mode of the read
head. In the password mode, the password is transferred to the data carrier before each
read/write access. If a data carrier is addressed with the wrong password, then even the data
range, for which no password protection is set, cannot be accessed.
48
Content
Command code
Reserved/Toggle bit
Mode (on:<F>=1, off:<F>=0)
not relevant
.
.
.
not relevant
Content
Command code
Reserved/Toggle bit
Status
not relevant
.
.
.
not relevant
B7 B6 B5 B4 B3
0 0 0 1 1
- - - - -
0 0 0 0 0
- - - - -
- - - - -
- - - - -
B7 B6 B5 B4 B3
0 0 0 1 1
- - - - -
<Status>
- - - - -
- - - - -
- - - - -
B2 B1 B0
0 0 0
- - T
0 0 <F>
- - -
- - -
- - -
B2 B1 B0
0 0 0
- - T
- - -
- - -
- - -