Samsung DE40A User Manual download pdf (Page 40)

40

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

Checksu

m

0xAA 0xFF 3 ‘A’ 0x11 "Power"

Header

Comma

nd

ID

Data length Ack/Nak r-CMD Val1

Checksu

m

0xAA 0xFF 3 ‘N’ 0x11 "ERR"

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