CAN Bus Isolator / Repeater

The Diagonal Systems “CAN Bus Isolator / Repeater” provides electrical isolation protection for CAN Bus interfaces. The device has also got the ability to repeat the CAN Bus signals, making it ideal for applications with long cable networks.

The device has been designed around an ARM CPU connected to the CAN Bus interfaces. Thanks to this, both CAN Bus ports can be configured at different speeds and also in normal or silent mode.

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Applications

Passenger cars.
Building automation.
Truck and buses.
Industrial machinery control.
Lifts and escalators.
Trains.
Maritime electronics systems.
Aircraft and aerospace electronics.
Energy storage systems.

Specifications

General specifications

Standard DIN Rail enclosure (102 x 22.5 x 82 mm).
4 LEDs:
- Power Supply.
- Isolated Power Supply.
- CAN Bus 1 Activity.
- CAN Bus 2 Activity.
Standard USB mini B port for configuration.
CAN Bus connectors: 4 x 2 ways pluggable terminal block connectors (included with the device).
Configurable via USB with a Windows application.
High performance 32 bits automotive microcontroller.
Firmware update over USB.

CAN Bus

ISO 11898-2:2016 and SAE J2284-1 to SAE J2284-5 compliant
Supports Standard CAN 2.0A (11 bits ID) and Extended CAN 2.0B (29 bit ID).
Configurable CAN Bus speed (20, 33.333, 45, 50, 80, 90, 100, 250, 500, 800, 1000 kbps).
Configurable 120 Ohms internal termination resistor.
High Electrostatic Discharge (ESD) handling capability on the Bus pins.

Software

Device configuration:
- CAN Bus speed.
- Filter for transmitting the desirable CAN Bus messages based on the message ID.
- 120 Ohms termination resistor.
- Normal or Silent modes.

Electrical characteristics

Isolation barrier: 1kV.
Wilde range voltage supply input: from 9 to 28 Vdc.
Low power consumption:
- 46mA @ 12V (0.55W).
- 23mA. @ 24V (0.55W).
CAN Bus lines protection: 350 W Peak Power Dissipation per Line (8/20 sec Waveform).
Low Capacitance High−Speed CAN Data Rates.