Connection Plug B (Kitas 2171, Data Signals) - Siemens VDO DTCO 1381 Technical Description

Digital tachograph
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Technical data

Connection plug B (KITAS 2171, data signals)

Pin
Function
B1
v-sensor
2)
supply (+)
B2
v-sensor
supply (–)
B3
v-signal
2)
(real time)
2)
B4
I/O data signal
1) 3)
B6
v-pulse output
3) 4)
B7
v-pulse output
B8
4 pulses/m signal
output
1)
Option
2)
Specification according to ISO 16844-3 (4)
3)
Specification according to ISO 16844-2 (3)
4)
Signal monitoring (configurable)
Edition 07/2007
Parameter
12 V version
min.
Voltage [V]
6,5
U
[V]
Low
U
[V]
3,8
High
Frequency [kHz]
Pulse duration
200
[µs]
Input U
[V]
Low
Input U
[V]
5,2
High
Output U
[V]
Low
Output U
[V]
5,4
High
Baud rate [Bd]
1164 1200 1236 1164 1200 1236
U
[V]
Low
U
[V]
5,5
High
Frequency [kHz]
Pulse duration
0,64
[ms]
U
[V]
Low
U
[V]
5,5
High
Frequency [kHz]
Pulse duration
0,64
[ms]
U
[V]
Low
U
[V]
5,5
High
Frequency [Hz]
Pulse duration
1,6
[ms]
The symbol with current data in the "Comments" column indicates
the direction of current.
Technical Description DTCO 1381
1)
24 V version
typ.
max.
min.
typ.
6,5
9
1
3,8
1,5
200
1,2
5,2
1
5,4
1,5
5,5
1.6
2
4
0,64
2
1,5
5,5
1,6
2
4
0,64
2
1,5
5,5
244
1,6
2.1 DTCO 1381
Comments
max.
at I = 15 mA
9
at I = 0 mA
connected to A5
1
at I = -250 µA
at I = 150 µA
1,5
Square wave signal
1,2
at I = -1 mA
at I = 0,5 mA
1
at I = 1 mA
at I = -20µA
1,5
at I = 1 mA / 1,5 mA
at I = -1 mA
1.6
Square wave signal
4
Reference potential A6
1,5
at I = 1 mA
at I = -1 mA
1,6
Square wave signal
4
Reference potential A6
1,5
at I = 1 mA
at I = -1 mA
244 at v = 220 km/h
1)
2 - 7

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