Modbus RTU
Electric curtain drive A-OK RS-485
A-OK
Controls A-OK RS-485 electric curtain drives with open, close, and stop commands.
Overview
Template for A-OK RS-485 electric curtain and shutter drives. Sends raw serial commands over RS-485 to open, close, and stop motors. Supports individual motor addressing by ID and channel bitmask with XOR checksum validation.
Available commands
- Open (Up)
- Close (Down)
- Stop
Use cases
- Send open, close, and stop commands to A-OK curtain drives remotely from the ModbusCloud dashboard.
- Schedule automated curtain or shutter movements based on time of day or external triggers.
- Control multiple A-OK drives on different channels using individual motor IDs from a single gateway.
- Use group addressing (ID 0x00) to open or close all curtain drives on a channel simultaneously.




