Samsung MD40B

42
Preparations
1
1 Preparations
 To control all devices connected by a serial cable simultaneously irrespective of IDs, set the ID as
"0xFE" and transmit commands. Commands will be executed by each device but ACK will not
respond.
Power control
 Function
A product can be powered on and off using a PC.
 Viewing power state (Get Power ON / OFF Status)
 Setting power ON/Off (Set Power ON / OFF)
"Power": Power code to be set on a product.
1 : Power ON
0 : Power OFF
 Ack
"Power": Power code to be set on a product.
 Nak
"ERR" : A code showing what error has occurred.
Header Command
ID
Data length
Checksum
0xAA 0x11 0
Header Command
ID
Data length Data
Checksum
0xAA 0x11 1 "Power"
Header
Comma
nd
ID
Data length Ack/Nak r-CMD Val1
Checksum
0xAA 0xFF 3 ‘A’ 0x11 "Power"
Header
Comma
nd
ID
Data length Ack/Nak r-CMD Val1
Checksum
0xAA 0xFF 3 ‘N’ 0x11 "ERR"