ICP DAS USA I-7530A-MR User Manual page 94

Modbus rtu to can converter

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Therefore, before using this configuration, you must know what is the

Modbus Read Coil/Registers format that the Modbus slave devices

supported.

 Slave Node ID:

Set the slave Node ID which you want to access.

 Function Code:

In this setting interface, it supports the Modbus function code 0x01,

0x02, 0x03, and 0x04.

 Start Address (High):

This field indicates the high byte of Modbus reference IO data

address.

 Start Address (Low):

This field indicates the low byte of Modbus reference IO data address.

 Bit Count(High):

This filed indicates high byte of the number of bits which you want to

read.

Note: When using function code 0x03 or 0x04, this field will be the

number of words (high byte).

I-7530A-MR Modbus RTU to CAN Converter User's Manual (Version 1.07, 06/2016) ------------- 94

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