ICP DAS USA I-7530 User Manual page 24

Rs-232/can converter

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Application 3:

This application may be used to construct a RS-232 device network

via CAN bus. The architecture is shown below.

Configurations:

In order to apply this application, user need to configure the I-7530#1,

I-7530#2, and I-7530#3 as follows. The RS-232 configurations of these

three I-7530s are decided by the RS-232 device they connect with.

I-7530#1 Configuration

Communication Descriptions:

When Device1 want to transmit RS-232 commands "1234567" to

Device2, the commands written to I-7530#1 by Device1 need to be

"0021234567" because the Device1 is set to dynamic Tx CAN ID (Fixed

Tx CAN ID is not checked). The first three bytes of "0021234567" is "002",

it means that the CAN ID is 0x002 when the I-7530#1 receives the RS-

I-7530 RS-232/CAN Converter User's Manual (Version 2.0, Sep/2007) ------------- 24

I-7530#2 Configuration

I-7530#3 Configuration

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