ICP DAS USA GW-7228 Manuel utilisateur

GW-7228 Quick Start v1.2 2011/05

Quick Start

May 2011 Version 1.2

Package checklist

The package includes the following items:



One GW-7228 hardware module



One Quick Start



One software utility CD



One screw driver



One RS-232 cable (CA-0910)

Note:

If any of these items are missed or damaged, contact the

local distributors for more information. Save the shipping

materials and cartons in case you want to ship in the future.

Appearance and pin assignments

CAN DB9 Male Connector

Pin Description

1 Not Connect

2 CAN Low

3 CAN Ground

4 Not Connect

6 CAN Ground

7 CAN High

9 Not Connect

14-pin screw terminal connecter

Pin Description

1 RS-485 DATA+

2 RS-485 DATA-

3 Not Connect

4 RS-422 Tx+

5 RS-422 Tx-

6 RS-422 Rx+

7 RS-422 Rx-

8 Not Connect

9 RS-232 RXD

10 RS-232 TXD

11 RS-232 GND

12 Not Connect

13 +Vs(+10 ~ +30 VDC)

14 GND

GW-7228 Quick Start v1.2 2011/05

Figure 1:Appearance of the GW-7228

LED Indication

LED indication of the GW-7228

LED Name GW-7228 Status LED Status

Firmware Updating Mode All LED always turned on

Hardware WDT Fail All LED blink per 1

second

ALL LEDs

Contact to ICP DAS All LED blink per 100 ms

No Error Always turned on

CAN Bus Transmission Fail Blink per 100 ms

CAN Bus-Off Blink per 500 ms

Can’t Claim Address in J1939 Network Blink per 1000 ms

PWR LED

Power Failure Off

Transmission Blink

J1939 LED Bus Idle Off

Transmission BlinkMODBUS

LED Bus Idle Off

Installation

If users want to start the GW-7228 normally, it needs to follow these steps to

install the GW-7228 below:

Step1: Check GW-7228 Firmware Mode

Users need to set the dip-switch to the “Normal” position as Figure 2 and reset

GW-7228 Quick Start v1.2 2011/05

the power, and then the GW-7228 would run in the operation mode.

Figure 2:Operation mode Position of Dip-Switch

Step2: J1939 network - CAN bus connection

Connect the CAN ports with the GW-7228 modules and ECU (e.g. engine) in

J1939 network using the following structure as Figure 3.

Figure 3:CAN bus Wire Connection

Step3: Modbus network - Serial port connection

It is recommended to use only one serial port (RS232, RS422 or RS485) of

the gateway at the same time. The following figure describes the three COM port

types to a serial device via serial network.

Figure 4:Serial port wire connection

GW-7228 Quick Start v1.2 2011/05

Step4: Power wire connection

Connect the power supply to the GW-7228 module’s power terminal connecter,

please see the following connection as Figure 5.

Figure 5:Power Wire Connection

GW-7228 Utility Configuration

Modbus Network Configuration

The GW-7228 and the controller must be set the same serial communication

parameters of the Modbus network configuration. The Modbus network

configuration screen from GW-7228 is shown as Figure 6.

Figure 6:Modbus configuration screen

J1939 Network Configuration

The device NAME should be set according to the application and the vendor

where the module is being used based on the J1939 network specification.

The J1939 network configuration screen from the GW-7228 is shown as

Figure 7.

Figure 7:Modbus configuration screen

GW-7228 Quick Start v1.2 2011/05

J1939 I/O Configuration

The following figure is a PGN definition about Electronic Transmission

Controller, we want to receive the Transmission Output Shaft Speed from the

transmission and send the Transmission Input Shaft Speed to the transmission via

the GW-7228. The following table shows the current planning.

Figure 8:Example of a parameter group definition of SAE J1939/71

Table 1:Configuration data of J1939 and Modbus

Parameters PGN Data

Length

(bytes)

Byte Order

In J1939

Data Field

Byte Order

MODBUS

Address

Send

Input Shaft

Speed

61442(Dec)

F002(Hex) 2 5 0 40001

Receive

Output Shaft

Speed

61442(Dec)

F002(Hex) 2 1 0 30001

Note:PGN/Data Length(Bytes)/Byte Oder in J1939 Data Field

=> Transmission manufacturers provide the information required

Byte Order in MODBUS

=> User-defined Modbus address

GW-7228 Quick Start v1.2 2011/05

Figure 9:J1939 configuration screen

Upload Parameter to the GW-7228

After the previous parameter settings, users need to upload the parameters to

the GW-7228.

Figure 10:Parameter upload screen

Modbus Communication

Set J1939 output data

Using the Modbus command as below:

FC16 Write multiple registers (4xxxx) for AO

Example:

In the address 40001, write the value in 0x1234.

[Request Command] (Byte0, Byte1... Byten) (Hex)

01 10 00 00 00 01 02 12 34 AB 27(CRC)

Byte

Order In

Modbus

Data

Length PGN

(DEC)

Priority

ECU’s

J1939

Address

ECU’s

J1939

Address

Transm-

ission

Repetiti-

Byte Order

In J1939

Data Field

GW-7228 Quick Start v1.2 2011/05

Get J1939 input data

Using the Modbus command as below:

FC4 Read multiple input registers (3xxxx) for AI

Example:

Read a value of one word in the address 30001.

[Request] (Byte0, Byte1... Byten) (Hex)

01 04 00 00 00 01 31 CA(CRC)

GW-7228 responds a value of one word in the address 30001.

[Response](Byte0, Byte1... Byten) (Hex)

01 04 02 12 34 B4 47(CRC)

Start or Stop sending J1939 output message

1、Using the Modbus command as below:

FC6 Write single register (4xxxx) for AO

Example: Start sending J1939 output message

In the address 42009, write the value in 0x00.

[Request Command] (Byte0, Byte1... Byten) (Hex)

01 06 07 D8 00 00 08 85(CRC)

Example: Stop sending J1939 output message

In the address 42009, write the value in 0x01.

[Request Command] (Byte0, Byte1... Byten) (Hex)

01 06 07 D8 00 01 C9 45(CRC)

2、Enable / Disable the Auto Transmission function as below, and upload to

GW-7228:

Figure 11:J1939 Auto Transmission function screen

GW-7228 Quick Start v1.2 2011/05

Troubleshooting

Item

Trouble state Solution

1 CAN Bus Transmission Fail

(Power LED Blink per 100 ms)

Make sure the CAN bus wiring is connected, and

connected to the correct pin.

2 CAN Bus-Off

(Power LED Blink per 500 ms)

Make sure the CAN bus wiring does not short-circuit

Can not Claim Address in J1939

Network

(Power LED Blink per 1000 ms)

Please configure another J1939 network address in GW-

7228 Utility.

Can not transmit the output J1939

message

1. Make sure the Start/Stop sending J1939 output

message register (42009) is 0x00.

2. Make sure the Update Rate of J1939 output message

table is not zero.

How to restore factory default

1. Power on the GW-7228

2. Change the Dip-Switch position of the GW-7228

and to complete the following steps in 5 seconds.

Step1. From “Normal” to “Init” position.

Step2. From “Init” to “Normal” position.

Step3. From “Normal” to “Init” position.

Step4. From “Init” to “Normal” position.

3. When the correct implementation of the above

steps, the J1939/Modbus LEDs of the GW-7228

should be turn on, and that should be turn off

after 500 ms later.

4. Reset the power of the GW-7228, and the GW-

7228 would back to factory defaults.

5. Reconnect the GW-7228 by using the network

setting as 115200 baud with none parity, 1 stop

bit and 1 Net ID.

Technical Support

If you have problems about using the GW-7228, please contact

ICP DAS Product Support.

Email: Serv[email protected]om

Step1

Step2

Step3

Step4

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