Pepperl+Fuchs IDENTControl IC-KP2-2HB18-2V1 Manual page 64

IC-KP2-2HB18-2V1
Commands
You can also limit access to the data carriers by defining the start and end of a
read-protected and a write-protected range in the Protection Word.
Setting the password
1. Enter the correct password once with the command PS (set password).
2. Activate the password mode with the command PM (set password mode).
Changing the password
To change the password in the R/W head and on the read/write tag, use the
command PC.
Set password mode (PM --> 18h)
Master -> Slave
Address
CH1
RWw n
RWw n+1
Slave -> Master
Address
CH1
RWr n
RWr n+1
n:
*:
The command PM activates and deactivates the password mode of the
corresponding channel. In password mode, the password is transferred to the
read/write tag before each read/write access. If a read/write tag is addressed with
a wrong password, the other data ranges of the read/write tag can no longer be
accessed.
<Mode>
<Mode>
64
Bit no.
CH2* 15
RWw n+8
RWw n+9
Bit no.
CH2* 15
RWr n+8
RWr n+9 <ReplyCounter>
Address in master module, specified by the assignment of the stations
2 channel mode
= 0 (00000000b) Password mode switched off (deactivated)
= 1 (00000001b) Password mode switched on (activated)
8 7
0 0 0 1 1 0
<Mode>
8 7
0 0 0 1 1 0
<Status>
0
0 0
0
0 0