ICPDAS I-7242D Quick Start User Manual

I-724D DNS/Modbus RTU Quick Start User Guide, July 2006, Version 1.1 ------ 1

The I-7242D DNS/Modbus RTU Gateway

Quick Start User Guide

1. Introduction

This user guide introduces the user how to implement the I-7242D
module into their applications in a quick and easy way. Therefore, it only
provides the basic instructions. For more detailed information, please refer
to the I-7242D user manual located on the ICPDAS CD-ROM or download
it from the ICPDAS web site:

ftp://ftp.icpdas.com.tw/pub/cd/can_cd/devicenet/gateway/i-7242d/manual/

The sake of this manual is focused on helping users to quickly
familiarize themselves with the I-7242D module. Users can apply the
I-7242D module as follows.

I-724D DNS/Modbus RTU Quick Start User Guide, July 2006, Version 1.1 ------ 2

2. Hardware Structure

Bypass CAN

Bus Connecto

CAN Bus

Connector

r

DeviceNet

S

tatus LED

7-segment

LED dis

3. 5-digital 7-segment LED Displays

For more information, please refer to section 2.5 of the I-7242D User’s Manual.

play

s

RS-232 Port

RS-485 Port

(

Connect to Modbus devices

)

RS-485 Port

(Reserved for

Power Input

Init * pin

A

larm Output

Step1. Display the string “-DEV-”

Step2. It means that the I-7242D is in the
normal operation mode. Its MAC ID is 0x03.
CAN baud rate is 125 Kbps and RS-485 baud
rate is 115.2 Kbps.

Step3. It means that there is one message lost
from I-7242D to Modbus device which device
address is 0x01. The number format is hex.

I-724D DNS/Modbus RTU Quick Start User Guide, July 2006, Version 1.1 ------ 3

4. Configuration Flowchart

Select the necessary Modbus RTU devices
in the DeviceNet network.

1. Connect the COM2 port from the I-

7242D to these Modbus RTU devices.

2. Connect the COM1 port from the I-

7242D to the PC’s COM port with the
download cable, CA0910F.

2. Power on the I-7242D and execute the
DNS_MRU Utility in order to
configure the I-7242D. Then it will
establish the EDS file automatically.

After configuring the I-7242D and creating
the specific EDS files, apply the EDS file
in your DeviceNet application.

1. Initial the I-7242D by connecting the
Init * pin with the GND pin.