National Instruments PXI-8460, PXI-8461, PXI-8462, PXI-846x, PXI-846x Series Cabling Example

AppendixC CablingRequirements for PXI-8461 High-Speed CAN

©NationalInstruments Corporation C-7 PXI-846xand NI-CAN for Windows NT

Cabling Example

Figure C-6 showsan example of a cable to connect two CAN devices. For

the internalpower configuration, no V+ connection is required.

FigureC-6. CablingExample

9-Pin

D-Sub

9-Pin

D-Sub

CAN_H

CAN_L

Shield

V+

V–

5-Pin

Combicon

5-Pin

Combicon

Pin7Pin4 Pin7 Pin4

Pin2 Pin2

Pin5 Pin3

Pin9 Pin5

Pin3 Pin1

Pin2Pin2

Pin5Pin3

Pin9Pin5

Pin3Pin1

120Ω120 Ω

Power

Connector

Contents

Main CAN Page Important Information Warranty Copyright Trademarks WARNINGREGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS Compliance FCC/Canada Radio Frequency Interference Compliance* Determining FCC Class FCC/DOC Warnings Class A European Union - Compliance to EEC Directives Contents Page Page Tables About This Manual How To Use the Manual Set Conventions Related Documentation Introduction What You Need to Get Started Hardware Overview NI-CAN Software Overview Optional Programming Tools Page Installation and Configuration Install the NI-CAN Software Installation for Windows NT 3.51 Installing for Windows NT 4.0 Page Install the Hardware Check the Configuration of YourPXI-8460, PXI-8461 or PXI-8462 Install Your PXI-8460, PXI-8461 or PXI-8462 Connect the Cables Configure the NI-CAN Software Page Verify the Installation Page BegintoUsethe NI-CAN Software Using the NI-CAN Software General Programming Considerations A Uninstalling the Hardware and Software Uninstalling the Hardware from Windows NT Uninstalling the NI-CAN Software from Windows NT Page B PXI-8460 Low-Speed CAN Connector Pinouts Power Supply Information for the Low-Speed CAN Ports Bus Power Supply Requirements Cable Specifications Number of Devices Low-Speed Termination Determining the Necessary TerminationR esistance for YourBoard Page Replacing the TerminationResistors Cabling Example C PXI-8461 High-Speed CAN Connector Pinouts Power Supply Information for the High-Speed CAN Ports Page Bus Power Supply Requirements Cable Specifications Cable Lengths Number of Devices Cable Termination Cabling Example FigureC-6. CablingExample D PXI-8462 Dual-Speed CAN Port Identification E RTSI Bus RTSI, PXI and CompactPCI Page F Troubleshooting and Common Questions Missing Board in the NI-CAN Configuration Utility Diagnostic Utility Failures Resource Errors NI-CAN Software Problem Encountered Common Questions Page G Specifications PXI-8460 One Port and TwoPort PXI-8461 One Port and TwoPort PXI-8462 TwoPort High-Speed CAN Port Characteristics Low-Speed CAN Port Characteristics H Technical Support Resources Web Support NI Developer Zone Customer Education System Integration Worldwide Support Glossary Page Index Numerics B C D H I L M N O P R S T U W

National Instruments Cabling Example

Models: PXI-8460 PXI-8461 PXI-8462 PXI-846x PXI-846x Series

Figure C-6 showsan example of a cable to connect two CAN devices. For

the internalpower configuration, no V+ connection is required.

FigureC-6. CablingExample