National Instruments PXI-8462 用户手册
Appendix C
Cabling Requirements for PXI-8461 High-Speed CAN
© National Instruments Corporation
C-3
Figure C-3. PXI-8461 Part Locator Diagram
Connecting pins 1 and 2 of a jumper configures the CAN physical layer to
be powered externally (from the bus cable power). In this configuration, the
power must be supplied on the V+ and V– pins on the port connector.
be powered externally (from the bus cable power). In this configuration, the
power must be supplied on the V+ and V– pins on the port connector.
Connecting pins 2 and 3 of a jumper configures the CAN physical layer to
be powered internally (from the board). In this configuration, the V– signal
serves as the reference ground for the isolated signals.
be powered internally (from the board). In this configuration, the V– signal
serves as the reference ground for the isolated signals.
1
Power Supply Jumper J6
2
Power Supply Jumper J5
3
Assembly Number
4
Product Name
5
Serial Number
2
1
3
4
5