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3 modbus request settings, Modbus request settings – B&B Electronics GW-7472 - Manual User Manual

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GW-7472 User Manual, Version 1.0, Dec 2010

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4.2.3

Modbus Request Settings

The settings for the Modbus commands are provided as the following list:

Item Descriptions:

Item

Description

Function Code

Supported Modbus Function codes are
01

hex

, 02

hex

, 03

hex

, 04

hex

, 0F

hex

and 10

hex

ID

The Modbus slave device ID specifies the address of the device
on the RS-485/422 network.
This ID can be 1 ~ 247.

Start Address

The start address of the input/output registers stored in the
Modbus slaves.

This address can be 0 ~ 65535.

Count Bits/Words

Number of register data to be accessed from the Modbus slave

Total Input

Show how many bytes have been mapped in of the EtherNet/IP
input registers

Total Output

Show how many bytes have been mapped in of the EtherNet/IP
output registers

EIP Input Address (Bytes)

The mapping address in the EtherNet/IP input register.

EIP Output Address (Bytes)

The mapping address in the EtherNet/IP output register.

Command Interval

(milliseconds)

Interval value of the Modbus RTU commands. If the
command is replied by the Modbus slave immediately, the
GW-7472 still waits until the time interval passes.

Set range value: 10 ~ 30000 (milliseconds); Default: 200 ms

Step1: Enter the Modbus Request commands.

Step2: Click the

Add”, “Delete” buttons to add and remove the Modbus commands.

Step2: Click the

Update Settings” button to finish the configuration