USB2-F-7x01 Full-Speed USB to 1-Port CANBus Adapter Datasheet

Version 1.4

Document Reference No.: CP_000050 Clearance No.: CP#040

Copyright © Connective Peripherals Pte Ltd

5

1.2

LED Description

The USB2-F-7x01 uses three LEDs to indicate a valid link as well as CANbus status. The table below uses

the following LED definitions.



ON = LED constantly lit



OFF = LED is constantly not lit



Blinking = 2.5Hz, alternating ON and OFF



Flicker = 10Hz, alternating ON and OFF



Single Flash = Short flash ON (200msec), followed by long off phase (1000msec)



Double Flash = Two short flashes on (200msec) separated by short off phases (200msec),

followed by long off phase (1000msec)



Triple Flash = Three short flashes on (200msec) separated by short off phases (200msec),

followed by long off phase (1000msec)

LED Colour

Function

Description

Yellow

USB

Enumerated

Active LED

State

Description

Off

Inactive

The USB2-F-7x01 has not been

enumerated by the host system.

On

Active

The USB2-F-7x01 has been

enumerated and is ready

Green

RUN

CAN Run LED

State

Description

Blinking

PREOPERATIONAL The device initialized

Single flash

STOPPED

The device is in state STOPPED

(Channel is Closed)

On

OPERATIONAL

The device is in state

OPERATIONAL (Channel is Open)

Flicker

LISTEN

The device is in state

OPERATIONAL (Channel is Open)

No frames will be transmitted

Note: 3 device minimum

requirement

Red

ERR

ERR LED

State

Description

Category

Off

No error

The device is in working condition

Blinking

Invalid

Configuration

General configuration error

Single flash

Warning limit

reached

At least one of the error counters

of the CAN controller has reached

or exceeded the warning level (too

many error frames)

On

Bus off

The CAN controller is bus off, and

not involved in CANbus activities

Table 1.1 – LED Description

Upon initial power up, system reboot or executing the (R)eset command, the LEDs will be in the following

state: Yellow LED = ON, Green LED = Single Flash, Red LED = Off.