Controller Area Network
CANopen Pinout
[CAN Bus 9-Pin D] [CAN Bus 10-Pin
Header] [CAN Bus RJ-Style]
[CAN Bus 5-Pin Circular] [CAN Bus
7-Pin Open Style] [CAN Bus Round Style]
[CAN Bus Round Flange Style]
[Other Interface Buses]
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The Controller Area Network (CAN) specification defines the Data Link Layer, ISO 11898 defines the Physical Layer.
The CAN bus is a Balanced (differential) 2-wire interface running over
either a Shielded Twisted Pair (STP), Un-shielded Twisted Pair (UTP), or
Ribbon cable. The pinouts on this page are associated with the CANopen
protocol for round connector. Use the links above for other types of connector styles. For additional information refer to the main CAN Bus page.
CANbus is used as a vehicle bus, for other vehicle Buses see the Automotive Bus page {This Site}.
CANbus is also used as an Industrial Field bus, for other Field Buses see
the Field Buses page {This Site}
Listing of 'D' Connectors Manufactures ........ Listing of Cable Manufactures ........ Types of Connector Manufactures
| Pin # | Signal Names | Signal Description |
| 1 | CAN_SHLD | Shield, Optional |
| 2 | CAN_V+ | Power, Optional |
| 3 | CAN_GND | Ground |
| 4 | CAN_H | Dominant High |
| 5 | CAN_L | Dominant Low |
| 9-Pin # | 8-Pin # | 7-Pin # | Signal Names | Signal Description |
| 1 | 3 | 3 | CAN_H | Dominant High |
| 2 | 4 | 4 | CAN_L | Dominant Low |
| 3 | 5 | 2 | CAN_GND | Ground |
| 4 | 6 | - | - | Reserved |
| 5 | 7 | - | - | Reserved |
| 6 | 8 | - | - | Reserved |
| 7 | 1 | 1 | CAN_V+ | Power, Optional |
| 8 | 2 | - | GND | Ground |
| 9 | - | - | - | Reserved |
| - | - | 5 | DIL-1 | DIP Switch 1 connected to CAN_V+ |
| - | - | 6 | DIL-2 | DIP Switch 2 connected to CAN_V+ |
| - | - | 7 | DIL-3 | DIP Switch 3 connected to CAN_V+ |
4-pin Open Style Connectors either use pins 1-4 (Version A) or pins 2-5 (Version B). 3-pin Open Style Connectors use pins 2-4. The bus node provides the male pins of the connector.
{Back to Industrial CANbus Index}
| 12-Pin # | 9-Pin # | Signal Names | Signal Description |
| 1 | - | - | Reserved |
| 2 | 7 | CAN_L | Dominant Low |
| 3 | 8 | CAN_GND | Ground |
| 4 | 9 | - | Reserved |
| 5 | - | - | Reserved |
| 6 | - | - | Reserved |
| 7 | 2 | CAN_H | Dominant High |
| 8 | - | - | Not Used |
| 9 | - | - | Reserved |
| 10 | - | GND | Ground, Optional |
| 11 | - | - | Reserved |
| 12 | 1 | CAN_V+ | Power, Optional |
| - | 3 | DIL-1 | DIP Switch 1 connected to CAN_V+ |
| - | 4 | DIL-2 | DIP Switch 2 connected to CAN_V+ |
| - | 5 | DIL-3 | DIP Switch 3 connected to CAN_V+ |
| - | 6 | DIL-4 | DIP Switch 4 connected to CAN_V+ |
{Back to Industrial CANbus Index}
Design Key words: CANbus Data Interface, Controller Area Network, Local Area Network, LAN, Pinout, Pin out, Connector pin out, Round Connector, Shielded twisted-pair Digital Data Interface, Physical, Mechanical, Size, Description, Industrial Bus, CanOpen, CANKingdom, SDS, Automation, 11898, Pin out, Series, Interface,Design, Controller, Area, Network, Automotive, Auto, Car, Motor vehicle, CAN Bus.
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