Siemens VDO DTCO 1381, Technical Description

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Service only
1.1 System overview Product and system overview
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© Siemens VDO Automotive AG Edition 07/2007
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1.1.2 Characteristics of the DTCO 1381
General features • Recording unit in the DIN ISO 7736 radio format
• Manipulation-secure unit in conjunction with the KITAS 2171
• Microcontroller-monitored signal inputs and outputs
• Automatic registration and saving of all legally stipulated data,
such as
– Driver activities
– Driving status
– Detailed speed over 24 hours
– Distance
– Events, faults, and security breaches
– etc.
• Multifunctional LCD, illuminated
• Digital speedometer in display
• Buttons for
– Ejecting driver 1 and driver 2 cards
– Setting the desired time groups for driver 1 and driver 2
– Menu control
• Two card slots with automatic chip card pull-in and chip card
interface for driver 1 and driver 2
• Download and calibration interface
• Integrated printer
• Internal memory for recording all activities
• Internal diagnosis function (self-test)
• Speed impulse outputs (B6, B7)
• Distance impulse output 4 Imp/m (B8)
• Data bus-capable CAN interface SAE J1939, CAN 2.0B for
attachment to the vehicle power supply or a display unit
• CAN with diagnosis functionality
• Info interface (SV protocol)
Special equipment /
options / variations • K-Line diagnosis interface
• Two supplemental recorder inputs for recording various supple-
mental information, like for recording blue light, sirens, fuel
consumption, secondary drive, etc.
• Rotational speed input, recording of the motor’s speed
• Speed impulse output (D6)
• Customer-specific variations with respect to the front cover,
display, etc.
• ADR variant