2.21 Connecting a Cable to the CAN & LIN Bus
Monitor Module
To monitor CAN or LIN bus signals, connect a cable to the CAN & LIN bus monitor module’s D-sub
connector.
Connector Pinout
The pinout of the D-sub connector (9 pin, male) is shown below.
Pinout
1
5
CAN bus signal input terminal
LIN bus signal input terminal
CAN bus signal input terminal LIN bus signal input terminal
Pin No. Signal Function Signal Function
1 (NC) Not used (cannot be connected to) LIN LIN signal
2 CAN_L CAN low signal (NC) Not used (cannot be connected to)
3 CAN_GND Ground LIN_GND Ground
4 (NC) Not used (cannot be connected to) VBAT Battery supply voltage
5 (NC) Not used (cannot be connected to) (NC) Not used (cannot be connected to)
6 CAN_GND Ground LIN_GND Ground
7 CAN_H CAN high signal (NC) Not used (cannot be connected to)
8 (NC) Not used (cannot be connected to) (NC) Not used (cannot be connected to)
9 (NC) Not used (cannot be connected to) (NC) Not used (cannot be connected to)
* One-inch screws (number 4-40 UNC) are used.
Note
The shell of the CAN bus signal input connector is connected to CAN_GND. The shell of the LIN bus signal
input connector is connected to LIN_GND. Additionally, CAN_GND and its connector shell and LIN_GND and
its connector shell are isolated from the electric potential of the instrument case (earth).
CAUTION
Applying a voltage greater than the maximum input voltage may damage the input section.
French
ATTENTION
Le fait d’appliquer une tension dépassant la tension d’entrée maximale risque d’endommager
la section d’entrée.
Connecting the Cable (Signal wires)
When you connect a cable to the D-sub connector, be sure to tighten the screws to ensure that the
cable is connected securely.
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