GCAN USBCAN-II Pro User manual

USBCAN-II Pro

USB to CAN adapter

User Manual

Ver.：V3.01 （2015/04/22）

SHENYANG GUANGCHENG TECHNOLOGY CO.,LTD. USBCAN-II Pro

User Manual Shenyang Guangcheng Technology CO.LTD.

Revision History:

Ver. Date Reason

V1.00 2013/6/16 Create document

V2.01 2013/12/20 Fixed working parameters

V3.01 2015/04/22 Add some parameters

SHENYANG GUANGCHENG TECHNOLOGY CO.,LTD. USBCAN-II Pro

User Manual Shenyang Guangcheng Technology CO.LTD.

Contents

1. Introduction................................................................................................................4

1.1 Functional Overview........................................................................................4

1.2 Properties at a Glance ......................................................................................4

1.3 Typical application...........................................................................................4

2. Installation..................................................................................................................5

2.1 Driver and software installation.......................................................................5

2.2 Connect to PC..................................................................................................5

2.3 Connect to CAN-Bus.......................................................................................5

3. Adapter in use ............................................................................................................7

3.1 Connect to USB ...............................................................................................7

3.2 Connect to CAN...............................................................................................7

3.3 CAN-Bus terminal resistance ..........................................................................7

3.4 System LED.....................................................................................................8

4. ECAN Tools introduction..........................................................................................9

4.1 Start..................................................................................................................9

4.2 Transmit/Receive data......................................................................................9

4.3 CAN-Bus diagnosis function.........................................................................10

4.4 Relay & Offline..............................................................................................10

4.5 Other functions...............................................................................................11

5. Secondary development...........................................................................................12

6. Technical Specifications..........................................................................................13

Appendix: CAN2.0B frame format..............................................................................14

Sales.............................................................................................................................16

SHENYANG GUANGCHENG TECHNOLOGY CO.,LTD. USBCAN-II Pro

User Manual Shenyang Guangcheng Technology CO.LTD.

1. Introduction

1.1 Functional Overview

USBCAN-II Pro adapter is a debug or analysis tool with two CAN-Bus channel.

Using this adapter, PC can quickly connect to CAN-Bus network through USB

interface, and become a intelligent node of CAN-Bus to transmit/receive CAN-Bus

data.Adapter comes with isolation, and can be used in different Windows systems.

Device driver, software and programming interfaces(VC, VB, Net, Delphi, Labview,

C++Builder) exist for different operating systems, so programs can easily access a

connected CAN bus.

1.2 Properties at a Glance

Adapter for USB connection (USB 1.1, compatible with USB 2.0);

USB voltage supply;

Bit rates up to 1 Mbit/s Time stamp resolution 1μs;

Compliant with CAN specifications 2.0A (11-Bit ID) and 2.0B (29-Bit ID);

CAN-Bus connection via OPEH6, PHOENIX;

NXP SJA1000 CAN controller;

NXP PCA82C251 CAN transceiver;

Support ECAN Tools software;

Galvanic isolation on the CAN connection up to 1500 V;

Extended operating temperature range from -40 to 85 °C;

Device driver and software support Windows 2000/2003/XP/7/8/10;

Dimensions：(L)95mm * (W)65mm * (H)26mm.

1.3 Typical application

Test CAN-Bus network or device;

Automotive electronics development;

Electrical system communication test.

industrial control network.

Listen all CAN-Bus communication.

SHENYANG GUANGCHENG TECHNOLOGY CO.,LTD. USBCAN-II Pro

User Manual Shenyang Guangcheng Technology CO.LTD.

2. Installation

This chapter describes how to connect the USB-CAN adapter to the computer

and the precautions when connecting the USB-CAN adapter to the computer for the

first time.

2.1 Driver and software installation

Note: Before install the driver or software, please ensure that the user login

windows account is administrator, or the user account has to install the driver and

software related permissions, otherwise it may lead to the installation failed.

2.1.1 Install driver and software

ECAN Tools has been integrated hardware driver installation program, users can

directly install ECAN Tools.

If you only need to install the driver, please enter the “driver” folder, select the

installation file that corresponds to the system type. (“DriverSetup.exe” for 32-bit.

“DriverSetup64.exe” for 64-bit)

2.1.2 Uninstall driver and software

Users can run the DriverSetup.exe/ DriverSetup64.exe and click "Uninstall"

button to uninstall the installed device driver.

2.2 Connect to PC

The adapter can be connected directly to a PC using a USB cable, if the USB

power supply is insufficient, you need to use external power supply.

2.2.1 USB power supply mode

USB power supply mode is suitable for the most applications, such as: when

USBCAN-II Pro is the only device in USB port.

2.2.2 External power supply mode

External power supply mode is suitable for the USB port using an USB HUB and

have already connect multiple USB device, this will lead to the adapter lack

of electricity supply.

2.3 Connect to CAN-Bus

USBCAN-II Pro has two CAN-Bus by a 6 Pin plug type terminal leads, these

CAN-Bus channels can connect two CAN-Bus network or devices. Terminal pin

definition as Table 2.1 below.

Pin Prot Name Function

1 CAN1 L CAN_L signal line

2 G CAN_GND

3 H CAN_H signal line

4 CAN2 L CAN_L signal line

5 G CAN_GND

SHENYANG GUANGCHENG TECHNOLOGY CO.,LTD. USBCAN-II Pro

User Manual Shenyang Guangcheng Technology CO.LTD.

6 H CAN_H signal line

Table 2.1 USBCAN-II Pro adapter pin definition

Note: In practical use, most of the time just connected the CAN_H to CAN_H

and CAN_L connected to CAN_L then communication can be realized

SHENYANG GUANGCHENG TECHNOLOGY CO.,LTD. USBCAN-II Pro

User Manual Shenyang Guangcheng Technology CO.LTD.

3. Adapter in use

3.1 Connect to USB

USBCAN-II Pro adapter can conTable to the USB2.0 full speed protocol

specification, compatible USB1.1.

When driver and software have been installed, connect the adapter to the USB

interface, a new USBCAN device named "GC - Tech USBCAN Device" can be found

in the PC Device manager. If there is no “!”or ”?”mark that the device run fine.

3.2 Connect to CAN

USBCAN-II Pro adapter connect to CAN-Bus as chapter 2.3, CAN_H to

CAN_H,CAN_L to CAN_L.

The CAN bus network adopts topological structure, only the two furthest

terminal need to connect 120Ωterminal resistance between CAN_H and CAN_L. For

branch connection, its length should not be more than 3m. CAN-bus nodes connection

as shown in figure 3.1

Figure 3.1 CAN-bus network

Note: the CAN-bus cable can use ordinary twisted-pair cable, shielded

twisted-pair cable. Theory of the maximum communication distance depends on

the bus baud rate, Their relationship as shown in the Table 3.1.

Baud rate Distance

1 Mbit/s 40m

500 kbit/s 110m

250 kbit/s 240m

125 kbit/s 500m

50 kbit/s 1.3km

20 kbit/s 3.3km

10 kbit/s 6.6km

5 kbit/s 13km

Table 3.1 relationship of baud rate and distance

3.3 CAN-Bus terminal resistance

In order to improving the communication reliability and eliminating CAN-bus

SHENYANG GUANGCHENG TECHNOLOGY CO.,LTD. USBCAN-II Pro

User Manual Shenyang Guangcheng Technology CO.LTD.

terminal reflection, the two furthest terminal need to connect terminal resistance

between CAN_H and CAN_L as shown in figure 3.2. Terminal resistance values

determined by the characteristic impedance of the cables. Such as, the characteristic

impedance is 120Ω.

Figure 3.2 USBCAN-II Pro connect to other CAN devices

Note: USBCAN-II Pro adapter has integrated 120Ω terminal resistance, users

can choose whether enable, R1 for CAN1 and R2 for CAN2, press it to ON to

enabled.

3.4 System LED

USBCAN-II Pro adapter with one PWR indicator, one SYS indicator, two CAN

indicator to indicate the adapter status. More functions are shown in table 3.2 and 3.3.

Indicator Colour State

PWR Green Power indicator

SYS Green System indicator

CAN1 Green CAN1 singnal

CAN2 Green CAN2 singnal

Table 3.2 USBCAN-II Pro adapter indicator LED

When USBCAN-II Pro adapter power on, PWR and SYS light, indicates the

adapter has power supply, the system is initialized; Otherwise, a system power failure

or system errors has exist.

When USB-Bus data transfer, SYS indicator will blinking.

When CAN-Bus1 or CAN-Bus2 data transceiver, the corresponding CAN1,

CAN2 will blinking.

Indicator State Meaning

PWR ON Power supply normal

OFF Power supply error

SYS ON Standby mode

OFF Initialization error

Blinking USB data transmission

CAN1、CAN2 OFF CAN-Bus no data

Blinking CAN-Bus data transmission

Table 3.3 USBCAN-II Pro adapter LED state

SHENYANG GUANGCHENG TECHNOLOGY CO.,LTD. USBCAN-II Pro

User Manual Shenyang Guangcheng Technology CO.LTD.

4. ECAN Tools introduction

Users can use ECAN Tools software to receive and transmit CAN data. Flexible

use of functions can help to more with less.

4.1 Start

1. If ECAN Tools has been installed, users can directly run it on the desktop.

2. Choose the device type and click "open device", one adapter will shown in the

below.

3. Choose work mode. Software provides three kinds of work mode: normal,

listen, selftest.

Normal: use this mode to transmit or receive data.

Listen: use this mode to receive data only, and don’t send response or clock.

Selftest: use this mode to test if the adapter is working well.

4. Choose baud rate according to the CAN-bus, don’t match will lead to

communication failed.

If you don’t know the baud rate, you can use “automatic identification of baud rate”

function to adapt.

4.2 Transmit/Receive data

Transmitting and receiving is the basic function of ECAN Tools, in this interface,

users can directly see the received CAN data, and sent the data to CAN-bus.

SHENYANG GUANGCHENG TECHNOLOGY CO.,LTD. USBCAN-II Pro

User Manual Shenyang Guangcheng Technology CO.LTD.

4.3 CAN-Bus diagnosis function

CAN-Bus diagnosis function can detect the bus error frames and bus arbitration

lost.

CAN bus status display: indicate the CAN bus status include: bus normal,

passive error, active error、bus hung.

The CAN controller FIFO overflow: message within a certain period of time is

too dense, lead to data loss.

The CAN controller error alarm: when many of errors on the bus, error

counter exceeds the alarm threshold, and display the error count.

The CAN controller negative error: when many of send or receive errors, lead

to the CAN controller into the negative state, and display the error count.

CAN bus controller error: when nodes send or receive errors, error counter

value will be accumulate, and can catch the wrong information, such as ACK, CRC

error and so on.

4.4 Relay & Offline

4.4.1 Relay mode

CAN relay function can connect two CAN-Bus together whether they have the

same baud rate, the data flow can be seen in computer. This function can be used to

see the two nodes of data flow, which data is from which node, it can be used to crack

Table of contents

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