NEC MultiSync LCD3210 LCD3210 LCD3210 Owner's Manual page 32

12. Serial No. & Model Name Read
12.1 Serial No. Read
This command is used in order to read a serial No.
1) The controller requests the monitor to read a serial No.
Header
SOH-'0'-'A'-'0'-'A'-'0'-'6'
Header
SOH (01h): Start Of Header
'0' (30h): Reserved
'A' (41h): Monitor ID
LCD3210 must be ASCII 'A' (41h).
'0' (30h): Message sender is the controller
'A' (41h): Message type is "Command"
'0'-'6'(30h, 36h): Message length.
Message
STX (02h): Start of Message
'C'-'2'-'1'-'6' (43h, 32h, 31h, 36h): Serial No. command
ETX (03h): End of Message
Check code
BCC: Block Check Code
Refer to the section 4.5 "Check code" for a BCC calculation.
Delimiter
CR (0Dh): End of packet
2) The monitor replies a data for confirmation.
Header
SOH-'0'-'0'-'A'-'B'-N-N
Header
SOH (01h): Start Of Header
'0' (30h): Reserved
'0' (30h): Message receiver is the controller
'A' (41h): Monitor ID
LCD3210 must be ASCII 'A' (41h).
'B' (42h): Message type is "Command reply "
N-N: Message length.
Note.) The maximum data length that can be written to the monitor at a time is 32bytes.
Ex.) The byte data 20h is encoded as ASCII characters '2' and '0' (32h and 30h).
Message
STX (02h): Start of Message
'C'-'3'-'1'-'6' (41h, 33h, 31h, 36h): Serial No. reply command
Data(0)-Data(1)----Data(n):Serial Number
The data must be ASCII characters strings.
ETX (03h): End of Message
Check code
BCC: Block Check Code
Refer to the section 4.5 "Check code" for a BCC calculation.
Delimiter
CR (0Dh): End of packet
12.2 Model Name Read
This command is used in order to read the Model Name.
1) The controller requests the monitor to read Model Name.
Header
SOH-'0'-'A'-'0'-'A'-'0'-'6'
Message
STX-'C'-'2'-'1'-'6'-ETX
Message
STX-'C'-'3'-'1'-'6'-
Data(0)-Data(1)---Data(n)-ETX
Message
STX-'C'-'2'-'1'-'7'-ETX
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Check code Delimiter
BCC CR
Check code Delimiter
BCC CR
Check code Delimiter
BCC CR