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ICP DAS USA I-7530 Quick Start User Manual

Rs-232/can
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See also: User Manual
The I-7530 RS-232/CAN Converter

1. Introduction

This manual introduces the user to the methods used to implement
the I-7530 module into their applications in a quick and easy way. This will
only provide with the basic instructions. For more detailed information,
please refer to the I-7530 user manual located on the ICPDAS CD-ROM
or download it from the ICPDAS web site:
http://www.icpdas.com/products/Remote_IO/can_bus/i-7530.htm
The goal of this manual is focused on helping users to quickly
familiarize themselves with the I-7530 module and the RS-232/CAN
communication converter. Here, we use two I-7530 modules (called the I-
7530 A and the I-7530 B) as the example will demonstrate how to use the
I-7530 modules. The architecture of this example is depicted below.
When the I-7530 receives a valid RS-232 message with the ASCII
strings format, it converts this RS-232 message into a CAN message and
transmits it into the CAN network. Based on the same reasoning, when a
CAN message is received via the I-7530, the message will be transferred
to a RS-232 message by using the ASCII strings format through the RS-
232 port.
I-7530 RS-232/CAN Converter Quick Start User Guide (Version 2.0, Sep/2007, I-7530) ------ 1
Quick Start User Guide

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Summary of Contents for ICP DAS USA I-7530

  • Page 1 I-7530 module and the RS-232/CAN communication converter. Here, we use two I-7530 modules (called the I- 7530 A and the I-7530 B) as the example will demonstrate how to use the I-7530 modules. The architecture of this example is depicted below.

  • Page 2: Hardware Installation

    Step1: Set-up the 120Ω terminator resistor of module A and B. Before you continue, if you have changed the settings from default then it is necessary to open the cover for each I-7530 and re-configure their JP3 jumpers to enable them again, as shown in below figure.
  • Page 3 Step3: RS-232 connection Connect the RS-232 ports of the I-7530 A and I-7530 B to the RS-232 COM1 and COM2 on the PC respectively. Step4: CAN bus connection Connect the CAN ports of these two I-7530 modules using the following structure.
  • Page 4 Step4: Click the “Connect” icon to select the PC COM port and Baud rate, which are used to connect with the I-7530 A. The default setting of the PC COM port is configured at 115200bps, 8 Data Bits, 1 Stop bit, no parity and no Checksum automatically.
  • Page 5 : None Checksum : No Step7: Set the CAN baud rate of the I-7530 A. Here, use 125K bps for CAN baud, and uncheck the pair connection (For more information about pair connection, please refer to user manual section 3.4).
  • Page 6 Step2: Set the Init/Normal switches on the back of the I-7530 A and I- 7530 B to the “Normal” position. Then, turn on the DC power. The ON LED of the I-7530 A and B will always be turned on. It means these two I-7530 converters are working in the operation mode.
  • Page 7 RS-232 message and send it out to the COM2 port on the PC. Detailed steps of this are shown in the following figure. ② ① ③ Utility A ④ Utility B I-7530 RS-232/CAN Converter Quick Start User Guide (Version 2.0, Sep/2007, I-7530) ------ 7...

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