0-10V Dimming Module Product Manual

Product Overview

The MD03 0-10V dimming module is an intelligent control device that outputs 0-10V pure voltage analog signals. It can accurately control 5 channels of 0-10V output signals through Modbus RTU protocol, achieving high-quality dimming atmosphere lighting. This product is widely used in various places that require intelligent lighting control, such as homes, office buildings, hotels, hospitals, schools, etc.

Product Specifications

Basic Parameters

• Model: MD03
• Output channels: 5 channels with 0-10V dimming output
• Product weight: 0.35kg
• Appearance size: 69 × 57 × 87mm
• Shell material: metal
• Installation method: Distributed placement installation or DN35 guide rail installation

Technical Specifications

• Communication protocol: Modbus RTU
• Baud rate: default 9600 (modifiable), 8 data bits, no checksum, 1 stop bit (8N1)
• Operating temperature: -10 ℃~50 ℃
• Power supply voltage: DC 12-60V
• Driving capability: ≤ 50mA/channel
• Output voltage range: 0-10V
• Dimming accuracy: 255 level digital infinite dimming

Product features

1. Multi device driver: Multiple 0-10V dimming drivers can be connected within the current range
2. Smooth dimming3] Group control
3. group control Support branch group control, quickly achieve personalized scenario control
4. Dimming curveSupports 25 dimming curves and adapts to various lighting characteristics
5. industrial standardSupports Modbus RTU industrial control protocol for easy system integration

Detailed explanation of Modbus communication protocol

1. Basic communication parameters

• Protocol type: Modbus RTU
• Default slave address: 103 (modifiable)
• Default baud rate: 9600bps (can be modified to 4800/9600/19200/38400/57600/115200)
• Data format: 8-bit data bits, no checksum, 1-bit stop bit (8N1)

2. Register Mapping Table

3. Function Code Description

Function Code 03H: Read and Hold Register

• Request Format:

  从站地址 | 功能码(0x03) | 起始地址高字节 | 起始地址低字节 | 寄存器数量高字节 | 寄存器数量低字节 | CRC16低字节 | CRC16高字节

• Response Format:

  从站地址 | 功能码(0x03) | 字节数 | 数据1高字节 | 数据1低字节 | ... | CRC16低字节 | CRC16高字节

Function Code 06H: Write to Single Register

• Request Format:

  从站地址 | 功能码(0x06) | 寄存器地址高字节 | 寄存器地址低字节 | 数据高字节 | 数据低字节 | CRC16低字节 | CRC16高字节

• Response Format: Same as Request

Function code 10H: Write multiple registers

• Request format:

  从站地址 | 功能码(0x10) | 起始地址高字节 | 起始地址低字节 | 寄存器数量高字节 | 寄存器数量低字节 | 字节数 | 数据1高字节 | 数据1低字节 | ... | CRC16低字节 | CRC16高字节

• Response format:

  从站地址 | 功能码(0x10) | 起始地址高字节 | 起始地址低字节 | 寄存器数量高字节 | 寄存器数量低字节 | CRC16低字节 | CRC16高字节

4. Communication example

Example 1: Read brightness values of channels 1-5

• Request:

  67 03 00 08 00 05 1D C9

• Slave address: 0x67 (103)
• Function code: 0x03 (Read hold register)
• Start address: 0x0008
• Number of registers: 0x0005
• CRC16:0xC91D
• Response:

  67 03 0A FF 00 FF 00 FF 00 FF 00 00 00 XX XX

• Slave Address: 0x67
• Function Code: 0x03
• Byte Count: 0x0A (10 bytes)
• Data: Channel 1=255 (0x00FF), Channel 2=0 (0x0000), Channel 3=255, Channel 4=0, Channel 5=0
• CRC16: XX XX

Example 2: Set Channel 1 Brightness to 128

• Request:

  67 06 00 08 00 80 1C 3A

• Slave Address: 0x67
• Function Code: 0x06 (Write Single Register)
• Register Address: 0x0008
• Data: 0x0088 0 (128)
• CRC16:0x3A1C
• Response: Same as Request

Wiring Instructions

1. Power Wiring:

• Power Supply: DC 12-60V
• Connected to Module Power Input Terminal

1. 0-10V Output Wiring:

• 5-way 0-10V Output Terminals Connected to Dimming Drive Control Input Terminal
• Maximum Drive Capacity of 50mA per Channel

1. Communication Wiring:

• RS485 Interface: A (+), B (-)
• It is recommended to use twisted pair shielded wire, with 120 Ω terminal resistance at both ends of the bus

1. Typical Wiring Diagram:

   [VGA]---[调光驱动1]---[灯具1]
   [B]-----[调光驱动2]---[灯具2]
   [IR]----[调光驱动3]---[灯具3]
   [2G]----[调光驱动4]---[灯具4]
   [3B]----[调光驱动5]---[灯具5]

Application Scenarios

1. Smart Home: Implementing whole house lighting scene control
2. Commercial lighting: Intelligent dimming for shopping malls, hotels, office buildings, and other places
3. Industrial lighting: Large area lighting control for factories, warehouses, and other places
4. Professional places: Museums, galleries, theaters, and other places that require precise light control

Product link:https://item.taobao.com/item.htm?ft=t&id=903183289960