Samsung PE40C Manual page 47

1
Preparations
E.g. Power On & ID=0
Header
0xAA
Header
0xAA
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)

Header
0xAA
Setting power ON/Off (Set Power ON / OFF)

Header
0xAA
"Power": Power code to be set on a product
1: Power ON
0: Power OFF
Ack

Header
0xAA
"Power": Power code to be set on a product
Nak

Header
0xAA
"ERR": A code showing what error has occurred
Command
ID
0x11
Command
ID
0x11
Command
ID
0x11
Command
ID
0x11
Command Data length
ID
0xFF
Command Data length
ID
0xFF
Data length Data 1
1 "Power"
Data length Data 1
1
Data length
Checksum
0
Data length
1 "Power"
Ack/Nak r-CMD
3 'A'
Ack/Nak r-CMD
3 'N'
Checksum
12
1
Data
Checksum
Val1
Checksum
0x11 "Power"
Val1
Checksum
0x11 "ERR"
1 Preparations
47