Communication with ID 200/C-PDP 51/84
3 842 540 399/2016-11, MIT: ID 200,
Bosch Rexroth AG
enhanced read words (ER)
The command
ER
(enhanced read words) only works with the mobile data carrier
MDT-H
.
Not
with the fixed code data carrier
MDT-L
!
Command:
Byte
Table of contents
Bit no.
7
6
5
4
3
2
1
0
Byte 0
Command code (19h)
0
0
0
1
1
0
0
1
Byte 1
Number of words/RFID channel/
toggle bit
<WordNum>
<RFIDChannel>
<T>
Byte 2
Word address
<WordAddr> (High Byte)
Byte 3
Word address
<WordAddr> (Low Byte)
Byte 4
unused
–
–
–
–
–
–
–
–
Byte 5
unused
–
–
–
–
–
–
–
–
Byte 6
unused
–
–
–
–
–
–
–
–
Byte 7
unused
–
–
–
–
–
–
–
–
Reply:
Byte
Table of contents
Bit no.
7
6
5
4
3
2
1
0
Byte 0
Command code (19h)
0
0
0
1
1
0
0
1
Byte 1
Number of words/RFID channel/
toggle bit
<WordNum>
<RFIDChannel>
<T>
Byte 2
Status
<Status>
Byte 3
Reply counter
<ReplyCounter>
Byte 4
Data 00h…FFh
<Data>
Byte 5
Data 00h…FFh
<Data>
Byte 6
Data 00h…FFh
<Data>
Byte 7
Data 00h…FFh
<Data>
…
Data 00h…FFh
<Data>
Byte N
1)
Data 00h…FFh
<Data>
1) N = 4 x <WordNum> + 3
The antenna constantly attempts to read
<WordNum> 32 bit words from address
<WordAddr>. Data that changes is transmitted via the interface.
If a data carrier leaves the detection area, the status ‘05h’ (read command) is
output.
EN
GLISH
