2014-
02
94
Commands
write param (WP)
Command:
Response:
Byte
Contents
Bit no.
7
6
5
4
3
2
1
0
Byte 0
1)
Telegram length, high byte
0
0
0
0
0
0
0
0
Byte 1
1)
Telegram length, low byte
0
0
0
0
0
1
0
0
Byte 2
Command code (BFh)
1
0
1
1
1
1
1
1
Byte 3
Reserved/Ident channel/Toggle bit
-
<Channel>
<T>
Byte 4
Reserved
0
Byte 5
System code
<SystemCode>
Byte 6
Parameter type
<ParamTyp> (high byte)
Byte 7
Parameter type
<ParamTyp> (low byte)
Byte 8
Length 00
…
FFh
<DataLength> (high byte)
Byte 9
Length 00
…
FFh
<DataLength> (low byte)
Byte 10
Data 00 ... FFh
<Data>
...
Data 00 ... FFh
<Data>
Byte N
2)
Data 00 ... FFh
<Data>
1)
This byte is only used with the TCP/IP and MODBUS TCP/IP protocol.
2)
N = <DataLength> + 6
Byte
Contents
Bit no.
7
6
5
4
3
2
1
0
Byte 0
1)
Telegram length, high byte
0
0
0
0
0
0
0
0
Byte 1
1)
Telegram length, low byte
0
0
0
0
1
0
1
1
Byte 2
Command code (BFh)
1
0
1
1
1
1
1
1
Byte 3
Reserved/Ident channel/Toggle bit
0
<Channel>
<T>
Byte 4
Status
<Status>
Byte 5
Reply counter
<ReplyCounter>
1)
This byte is only used with the TCP/IP and MODBUS TCP/IP protocol.
IQH2-...:
<SystemCode> = 'Q' ASCII (51
h
)
<ParamTyp>
= 'K1' ASCII (4B
h
31
h
)
RP
: reads the key (12 characters ASCII from 0 ... F) from the
transponder and the read head
WP
: writes the key (12 characters ASCII from 0 ... F) into the
read head
Default key = 'FF FF FF FF FF FF' ASCII
(46
h
46
h
46
h
46
h
46
h
46
h
46
h
46
h
46
h
46
h
46
h
46
h
)
IUH-...:
See handbook of the read / write head
