USB-CANmodul
18
SYS TEC electronic GmbH 2001 L-487e_6
It is also possible to supply the CAN transceiver and the opto-coupler
on the USB-CAN module with the USB bus. In this case, no
additional power supply via the CAN bus is required. This simplifies
the structure of the CAN bus cable, as only two wires for CAN_L and
CAN_H are necessary.
To change between CAN power supply via USB or via the CAN bus,
two insertable jumpers are available on the USB-CANmodul.
Remove the four screws on the bottom of the module and remove the
upper part of the case carefully to configure the required jumpers.
Figure 7 shows the position and the numbering of both jumpers .
Table 3 describes the two configuration options.
Note: Only open the device when the USB-CANmodul is
powered down and both the USB and CAN cables are
disconnected.
USBCAN
JP1
JP2
1 2 3
1 2 3
Figure 7: Location and Numbering of the Jumpers
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