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2017-06-26
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Robert Bosch GmbH
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4.11 Additional MTS 6520 VCI Features
4.11.2 Power Source
The MTS 6520 VCI is intended to be powered from the
vehicle battery via the DLC Cable. The VCI may also be
powered using the AC/DC 12-volt power supply with
an extension cord or when located near a suitable wall
socket. Typically you use the AC/DC 12-volt power sup-
ply when you are first configuring the VCI, updating
software, and during testing of the VCI.
4.11.3 Battery Backed Operation
Four AAA Batteries are provided to power the
MTS 6520 VCI during a brief power interruption. The
device will not operate solely on batteries. It must be
connected to the vehicle's 12-volt power supply during
testing or the AC/DC 12-volt adapter during bench op-
erations such as setting the VCI configuration options or
updating software.
4.11.4 LED Indicators
Five Light Emitting Diodes (LEDs), one red and four
green, are located on the front of the MTS 6520 VCI.
The LED indicators provide the following status infor-
mation.
LED Symbol LED Function
Boot Initialization
Vehicle Communication
Error Indicator
PC Host Communication
Power On
4.11.1 Data Link Connector and Cable
Communication between the MTS 6520 VCI and the
vehicle's electronic systems is through the 16-pin to 26-
pin Data Link Connector (DLC) cable that is connected
to the bottom center of the MTS 6520 VCI. A 9-pin
Deutsche cable is also available.
4.12 Supported Vehicle Interfaces
The following sections list the vehicle communication
interfaces supported by the MTS 6520 VCI.
4.12.1 Serial Data Interfaces
The MTS 6520 VCI supports the following Serial Data
Interfaces.
R
Three Independent CAN Controllers (ISO 11898-1)
R
Three Two-Wire (High-Speed) CAN Transceivers (ISO
11898-2)
R
Low-Speed, Fault-Tolerant CAN transceiver (ISO 11
898-3)
R
Single-Wire CAN Transceiver (J2411)
R
Two Independent K-Line Interfaces (software select-
able pins)
R
L-Line Interface
R
GM 5V UART (J2740)
R
J1708
R
SAE J1850 VPW
R
SAE J1850 PWM
R
Ford UBP
R
Chrysler SCI (5V)
R
Chrysler CCD
R
Nissan DDL1
4.12.2 Non-Serial Data Interfaces
The MTS 6520 VCI supports the following Non-Serial
Data Interfaces.
R
14 Analog Input Signals (all 13 DLC signal pins plus
battery pin)
R
13 Discrete Output Signals (Open Drain, Vbat, or
5V)
R
13 Discrete Input Signals (software controlled
threshold)
R
Programming Voltage Output (5V to 20V switchable
to 6 pins)
R
Crank Detect Circuit
Summary of Contents for MTS 6520 VCI
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