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The CAN-11 is a cost-effective industrial-strength CAN Bus isolated repeater, widely used in automotive electronics, industrial automation equipment, security systems, intelligent instrumentation, and other applications. The module provides 1.5KV electrical isolation, bidirectional bus arbitration, baud rate adaptive design, protocol transparency, and plug and play. The product comes with a modular design, small in size and light in weight. The repeater is suitable for standard 35mm DIN rail mounting. The terminals are detachable, saving space and time for easy construction of a durable and protected CAN Bus network.

Features

• Industrial grade CAN bus isolated repeater, 100Mbps high speed isolation
• Standard 35mm DIN rail mounting, 9-28VDC wide voltage supply
• Supports CAN2.0A/B Standard (optional support for the latest CAN-FD standard)
• Slim modular design with detachable terminals
• Magnetic coupling isolation technology, 1.5KV electrical isolation, interface surge protection
• Power supply, CAN Bus pre-stage and rear-end three-terminal isolation
• Built-in bus arbitration logic, bus data LED indication;
• 10K-1Mbps baud rate adaptive, loopback time as low as 110nS
• 110 node bus load capacity

Failure isolation function:
CAN-11 provides fail-isolation. When one end of the bus data continues to be "dominant", the other side of the transceiver will trigger the dominant timeout (DTO) function, thereby isolating the failed side bus, ensuring that the typical side bus node remains in Normal communication.

Technical Characteristics

Item                          Min           Typical          Max
Input Voltage                 9 VDC         24 VDC           28 VDC
Input Current @24VDC                        20 mA
Operating Temperature         -25C          +25C             +70C
Storage Temperature           -25C          +25C             +85C
Humidity                                    95% (non-condensing)
CAN Bus Isolation Voltage                   1500 VDC
Surge TVS                                   600 W/line
Protection Voltage                          30 V
Overcurrent Protection                      200 mA
Loopback Time                               110 nsec
Baud Rate                     10 Kbps                        1 Mbps (CAN-FD 5 Mbps)
Dominant Timeout (T_DTO)      1.2 msec                       3.8 msec
Dimensions                                  118 x 100 x 17.5 mm
                                            4.6" x 3.94" x 0.7"
Installation                                35 mm DIN Rail

Galvanic Isolation

High noise levels on a CAN bus network have the potential to destroy CAN bus transceivers. This noise originates mainly from two sources, ground loops and electrical line surges. Protecting a network against this destructive energy requires the galvanic isolation of the CAN bus system from other local node circuitry.

For more information, see: Galvanically Isolated CAN Bus Transceivers Protect Networks Against Destructive Energy...

Dimensions

Connections

 PIN          Connection       Description

1            V0               Power Supply -
2            V+               Power Supply +
3            -                NC
4            C1L              CAN_L 1
5            R1               Termination Resistor (Connect to C1L to activate)
6            C1H              CAN_H 1
7            C2L              CAN_L 2
8            R2               Termination Resistor (Connect to C2L to activate)
9            C2H              CAN_H 2

LED Indicators

Name         Status           Description
Power        Green            Power On
D1           Green            CAN1 Data Traffic
D2           Green            CAN2 Data Traffic

Supported Network Architectures

Branch Extension

Linear Topology

Star Topology

Tree Topology

CAN Bus Termination Resistor

Activate termination resistors on both physical ends of the CAN Bus networks:

For more information, see: Controller Area Network (CAN Bus) - Physical Layer And Bus Topology...

Usage of the built-in termination resistor:

Block Diagram