User Manual

16
RS485 OPERATION
The Qmotion Qconnect RS485 interface uses the following settings:
9600 BAUD, 8 Data Bits, 1 Stop Bit, No Parity
A communication packet consists of the following data:
15 channel ID’s.
15 interface ID’s
Button code 0-F
LRC checksum
The baud rate for RS232 and RS485 operation will be, 4800 baud, 8 data bits, 1
stop bit, No parity
Each packet command to the bridge should include
a) SOF
b) Length
c) Type
d) Command ID
e) Interface ID
f) Channel ID
g) Button Code
h) Checksum
Field Description
SOF Start Of Frame. Used for synchronization and is equal to 0x01
Length Number of bytes in the frame, exclusive SOF and Checksum. The
host application is responsible for entering the correct length field.
Type Used to distinguish between unsolicited calls and immediate
responses (not callback). The request (REQ) is equal to 0x00 and
response (RES) is equal to 0x01.
Command ID
0x01: Request product info;
0x02: Factory Reset sets the channel address values back to factory values;
0x03: Request Address Information, returns the value of the requested
channel;
0x04: Assign Address Information, assigns a value to selected channel address;
0x05: Emit Button Code, sends a command to the shades