Siemens VDO DTCO 1381 Technical Description page 301

Digital tachograph
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Appendix
Overview of the data record
purpose
Number of similar events
Coding for more detailed
description
3
Edition 07/2007
14.5 Memory behaviour during events or faults
0
=
One of the 10 most recent events or faults
1
=
The longest event from one of the last 10 days during which an
event appeared
2
=
One of the 5 longest events of the last 365 days
3
=
The most recent event from one of the last 10 days during
which an event appeared
4
=
The most serious event from one of the last 10 days during
which an event appeared
5
=
The 5 most serious events of the last 365 days
6
=
The first event or first fault after the most recent calibration
7
=
An active event or a continuing fault
0
=
For this event, it is not necessary to save "number of similar
events".
1
=
One event of this type appeared on this day.
2
=
Two events of this type appeared on this day, but only one was
saved.
n
=
"n" events of this type appeared on this day, but only one was
saved.
Events subject to security breach "
tional coding (3):
Attempts that breach security on the DTCO 1381
16
=
No additional information
17
=
Failed authentication of the sensor
18
=
Authentication errors of the driver card
19
=
Unauthorized changes to the sensor
20
=
Integrity error; the authenticity of the data on the driver card is
not assured
21
=
Integrity error, the authenticity of the saved user data is not
assured
22
=
Internal data transmission error
23
=
Unauthorized opening of the housing
24
=
Manipulation of the hardware
Security breaching attempts on the KITAS 2171 impulse sensor
32
=
No additional information
33
=
Failed authentication
34
=
Integrity error, the authenticity of the memory data is not
assured
35
=
Internal data transmission error
36
=
Unauthorized opening of the housing
37
=
Manipulation of the hardware
Technical Description DTCO 1381
" are broken down with an addi-
14 - 31

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