DAUDIN KV-7500 Series Modbus RTU Connection Instruction Manual
- October 30, 2023
- DAUDIN
Table of Contents
KV-7500 Series Modbus RTU Connection
Instruction Manual
2302EN
V2.0.0
and
KV-7500 Series
Modbus RTU Connection
Operating Manual
Remote I/O Module System Configuration List
| Part No. | Specification | Description |
|---|---|---|
| GFMS-RM01S | Master Modbus RTU, 1 Port | Main Controller |
| GFDI-RM01N | Digital Input 16 Channel | Digital Input |
| GFDO-RM01N | Digital Output 16 Channel / 0.5A | Digital Output |
| GFPS-0202 | Power 24V / 48W | Power Supply |
| GFPS-0303 | Power 5V / 20W | Power Supply |
| 0170-0101 | 8 pin RJ45 female connector/RS-485 Interface | Interface Module |
1.1 Product Description
I. The interface module is used externally to convert KV-XL402’s communication
module (Modbus RTU) to a RJ45 connector
II. The main controller is in charge of the management and dynamic
configuration of I/O parameters and so on.
III. The power module and interface module are standard for remote I/Os and
users can choose the model or brand they prefer.
KV-7500 Connection Setup
This section details how to use the KV STUDIO software to connect KV-7500 and
.
For more details, please refer to the KV-XL202/XL402 User Manual
2.1 KV-7500 Hardware Connection
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The connector is on the top of the KV-XL402 module and uses RS485 connections
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Connect KV-XL402’s SR- to the interface module’s pin 2 and SR+ to pin 1 to convert them to RJ45 connectors before connecting them to the main controller
2.2 KV-7500 Connection Setup
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Launch KV STUDIO, click on “Unit Configuration” on the left and select “KV-7500”
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Within the Unit Editor, add “KV-XL402”
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Click on “KV-XL402” and in this demonstration, we will use Port 1
Operation Mode: Select “Protocol Studio”
Interface: RS-485 (2-wire)
Baud: Select 115200bps
Stop Bit: 1
Parity Bit: None
Notes:
The communication format setting must be consistent with -
Click on “Unit Configuration” on the left, select “KV-XL402” and then “PROTOCOL STUDIO”
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Select “Universal Protocol” and “Modbus RTU”
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Add the desired communication commands and select “Auto” under “Type” (the image is a demonstration of 17 hours of continuous reading/writing)
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Enter the values for register components (register settings should be based on the set communication commands)
To use POTOCOL STUDIO’s communication functions, we must initiate the bit for PS The address of the Port 1 in this demonstration is R34200.