National Instruments 321372C-01 用户手册
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B-1
Getting Started with CAN for Windows NT
B
Cabling Requirements
This appendix describes the cabling requirements for CAN interfaces.
Cables should be constructed to meet these requirements, as well as the
requirements of the other CAN or DeviceNet devices in the network.
requirements of the other CAN or DeviceNet devices in the network.
Connector Pinouts
Depending on the type of CAN interface you are installing, the CAN
hardware either has DB-9 D-Sub connectors(s), or Combicon-style
pluggable screw terminal connector(s).
hardware either has DB-9 D-Sub connectors(s), or Combicon-style
pluggable screw terminal connector(s).
The 9-pin D-Sub follows the pinout recommended by CiA DS 102.
Figure B-1 shows the pinout for this connector.
Figure B-1 shows the pinout for this connector.
Figure B-1. Pinout for 9-Pin D-Sub Connector
1
234
5
6
789
No Connection
CAN_L
V-
No Connection
Optional Ground (V-)
CAN_H
No Connection
V+
Shield