Pinouts

NI-XNET 20.5 Help

Edition Date: August 2020

Part Number: 372841AD-01

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PCI and PXI CAN Interface

The following table describes the CAN DB-9 pinout on PCI and PXI CAN interfaces, such as PCI-8511/8512 and PXI-8511/8512.

D-SUB PinSignalDescription
1NCNo connection
2CAN_LCAN_L bus line
3COMCAN reference ground
4NCNo connection
5(SHLD)Optional CAN shield
6(COM)Optional CAN reference ground
7CAN_HCAN_H bus line
8NCNo connection
9(Ext_Vbat)Optional CAN power supply if bus power/external VBAT is required (single-wire CAN on XS hardware only)

External CAN Transceiver

The following table describes the CAN DB-9 pinout on PCI and PXI CAN interfaces that provide external CAN transceivers, such as PCI-8513 and PXI-8513.

D-SUB PinSignalDescription
1Output1Generic output used to configure the transceiver mode
2Ext_RXData received from the CAN Bus
3COMCAN reference ground
4Output0Generic output used to configure the transceiver mode
5(SHLD)Optional CAN shield
6COMCAN reference ground
7Ext_TXData to transmit on the CAN Bus
8NERRInput to connect to the nERR pin of your transceiver to route status back from the transceiver to the hardware
9NCNo connection

C Series CAN Interface

The following table describes the CAN DB-9 pinout on C Series CAN interfaces, such as NI 9861 and NI 9862.

D-SUB PinSignalDescription
1NCNo connection
2CAN_LCAN_L bus line
3COMCAN reference ground
4NCNo connection
5(SHLD)Optional CAN shield
6(COM)Optional CAN reference ground
7CAN_HCAN_H bus line
8NCNo connection
9VSUPExternal power supply (+9 V to +30 V) required

CAN HS/FD Transceiver Cable

The following table describes the CAN DB-9 pinout on the TRC-8542 CAN HS/FD Transceiver Cable.

D-SUB PinSignalDescription
1NCNo connection
2CAN_LCAN_L bus line
3COMCAN reference ground
4NCNo connection
5NCNo connection
6COMCAN reference ground
7CAN_HCAN_H bus line
8NCNo connection
9NCNo connection

CAN HS/FD or LS/FT Transceiver Cable

The following table describes the CAN DB-9 pinout on the TRC-8543 CAN HS/FD Transceiver Cable.

D-SUB PinSignalDescription
1NCNo connection
2CAN_LCAN_L bus line
3COMCAN reference ground
4NCNo connection
5NCNo connection
6COMCAN reference ground
7CAN_HCAN_H bus line
8NCNo connection
9VSUPExternal power supply (+9 V to +30 V) required

USB CAN Interface Devices

The following table describes the CAN DB-9 pinout on USB CAN interfaces, such as USB-8501 and USB-8502.

D-SUB PinSignalDescription
1NCNo connection
2CAN_LCAN_L bus line
3COMCAN reference ground
4NCNo connection
5NCNo connection
6COMCAN reference ground
7CAN_HCAN_H bus line
8NCNo connection
9NCNo connection

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