Product Overview
MODBUS PD102is a dimming and speed regulation module with two channels of 0-10V analog voltage output. It is used in conjunction with 0-10V LED dimming driver or 0-10V fan speed regulator to achieve stepless dimming of lights or stepless speed regulation of fans. The module supports three control methods: RS485 bus control, WiFi wireless control, and Apple HomeKit control. It can be flexibly deployed in distributed dimming systems or centralized dimming systems.RS485 bus control, WiFi wireless control Apple HomeKitThree control methods that can be flexibly deployed in distributed dimming systems or centralized dimming systems.
Three Control Modes
| Control Modes | Communication Protocol | Applicable Scenarios |
|---|---|---|
| RS485 Bus | Modbus RTU | Connected to Modbas Central Control or Third Party Bus System |
| WiFi Control | TCP/HTTP | Directly controlled through mobile app or HA |
| Apple HomeKit | HAP protocol | Apple home app, supports Siri voice |
Core parameters
- Output channel: 2-channel independent 0-10V analog
- Output voltage accuracy: ± 1%
- Power supply: DC 12-24V
- Installation method: DIN rail installation (back card optional)
- Protection function: overcurrent/overvoltage/anti reverse connection/anti lightning surge
Modbus control instruction
Use function code 03/06/10 to read and write registers. Typical operations include reading the current brightness value (03 00 00 00 02 CRCH/CRCL) and setting channel 1 brightness to 50% (06 00 00 00 7F CRCH/CRCL). Provide a complete Modbus protocol table document.
Application Scenarios
- 0-10V LED dimmingCombined with 0-10V LED driver power supply, achieve smooth dimming
- Fan speed regulationControl the speed of EC fan
- Electric valve controlOutput 0-10V signal to control proportional integral valve
🛒 Purchase and Consultation
The MODBUS products introduced in this article can be purchased through official channels.
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