ICP DAS USA GW-7238D Quick Start Manual Download Page 2 | Manualshive

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GW-7238D Quick Start v1.0 Nov. 2011

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Figure 1: Appearance of the GW-7238D

LED Indication

Table 3: LED indication of the GW-7238D

LED Name

GW-7238D Status

LED Status

Firmware is running

On

PWR LED

Power Failure

Off

No Error

Off

ERR LED

Error

Blink

Transmission

Blink

J1939 LED

Bus Idle

Off

Transmission

Blink

MODBUS

LED

Bus Idle

On or Off

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Summary of Contents for GW-7238D

Page 1: ...you want to ship in the future Appearance and pin assignments Table 1 COM Connector Pin Assignment Pin No Name Description 1 CTS1 CTS pin of COM1 RS 232 2 RTS1 RTS pin of COM1 RS 232 3 RXD1 RXD pin of...

Page 2: ...the GW 7238D LED Indication Table 3 LED indication of the GW 7238D LED Name GW 7238D Status LED Status Firmware is running On PWR LED Power Failure Off No Error Off ERR LED Error Blink Transmission B...

Page 3: ...ation If users want to start the GW 7238D normally it needs to follow these steps to install the GW 7238D below Step1 Check GW 7238D Firmware Mode Users need to set the dip switch to the Normal positi...

Page 4: ...t port connection The GW 7238D can communicate both Modbus TCP and Modbus RTU to J1939 at the same time In Modbus RTU communication it is recommended to use only one serial port RS 232 or RS 485 of th...

Page 5: ...to connect via IP address 192 168 255 1 shown as below figure Figure 6 Connection Interface of GW 7238D Utility GW 7238D Utility Configuration Modbus Network Configuration The GW 7238D and the contro...

Page 6: ...etwork configuration screen from the GW 7238D is shown as Figure 8 Figure 8 Modbus configuration screen J1939 I O Configuration The following figure is a PGN definition about Electronic Transmission C...

Page 7: ...N Data Length Byte Oder in J1939 Data Field Transmission manufacturers provide the information required Byte Order in MODBUS User defined Modbus address Figure 10 J1939 configuration screen Upload Par...

Page 8: ...ess 40001 write the value in 0x1234 Request Command Byte0 Byte1 Byten Hex 01 10 00 00 00 01 02 12 34 AB 27 CRC Get J1939 input data Using the Modbus command as below FC4 Read multiple input registers...

Page 9: ...dress 42009 write the value in 0x01 Request Command Byte0 Byte1 Byten Hex 01 06 07 D8 00 01 C9 45 CRC Or 2 Without have to control the Modbus register 42009 Dec just enable Auto Transmission function...

Page 10: ...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...

Page 11: ...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 5 How to restore factory default 1 P...

Page 12: ...by using the serial network setting as 115200 baud with none parity 1 stop bit and 1 Net ID or run the Ethernet network and set on the same subnet to connect via IP address 192 168 255 1 Technical Sup...

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