DTM434 DTM435
26
Bit
15
14
13
12
11
10
9
8
Status
read_err
Default val-
ue
0
0
0
0
0
0
0
0
Bit
7
6
5
4
3
2
1
0
Status
r
r
buf_ovfl
fr_err
busy
present
ant
pow
Default val-
ue
0
0
0
0
0
0
1
1
Status
Value
Description
EMCY message
pow
1
Power enabled (always 1)
ant
0
Antenna deactivated
1
Antenna activated
present
0
No ID tag present
1
ID tag present
busy
0
Idle
1
Read or write access active
fr_err
0
Front end OK
1
Front end error detected
(hardware problem)
yes
buf_ovfl
0
Buffer ok
1
Buffer overflow detected
yes
read_err
Error during the last read op-
eration
yes
write_err
Error during the last write op-
eration
yes
tag_err
Error message from ID tag for
last operation
yes
Read error codes (updated after each read access of the ID tag)
0x00
ISO_COMMAND_ERROR_NO_ERROR
No error, command successfully execut-
ed.
0x01
SO_COMMAND_ERROR_NO_RE-
SPONSE
ID tag did not answer, maybe ID tag is
no longer in the field.
0x02
ISO_COMMAND_ERROR_RX_ERROR
Error while receiving the answer from
the ID tag (CRC error, framing error, col-
lision, etc.).
Write error codes (updated after each write access of the ID tag)
0x00
ISO_COMMAND_ERROR_NO_ERROR
No error, command successfully execut-
ed.
0x01
SO_COMMAND_ERROR_NO_RE-
SPONSE
ID tag did not answer, maybe ID tag is
no longer in the field?
0x02
ISO_COMMAND_ERROR_RX_ERROR
Error while receiving the answer from
the ID tag (CRC error, framing error, col-
lision, etc.).
