Application; Hardware Installation - ICP DAS USA GW-7238D User Manual

5. Application

Control systems such as PAC, PLC and PC on Modbus network
require some data that is collected by an ECU such as engine on J1939
network. There is also a part of data that is determined by the system
controller and transmitted through the Modbus network for the ECU to the
J1939 network.
Figure 5-1: Network application structure

5.1 Hardware Installation

Users may need to make some hardware settings before the
application. The detailed illustration is as below:
Step1: Check GW-7238D Firmware Mode
In operation mode, users can use the Modbus Master command to
send and receive J1939 messages via the GW-7238D
Users need to set the dip-switch to the "Normal" position as Figure 5-2
and reset the power, and that the GW-7238D can run in the operation
mode.
GW-7238D J1939 to MBTCP Server / MBRTU Slave Gateway User's Manual (Ver.1.1, May. 2013) ---
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