NEC MultiSync LCD3210 LCD3210 LCD3210 Owner's Manual page 14

Delimiter
CR (0Dh): End of packet
Step 3. The controller requests the monitor to send the temperature from the selected sensor.
Header
SOH-'0'-'A'-'0'-'C'-'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
'C' (43h): Message Type is "Get parameter "
'0'-'6' (30h, 36h): Message length is 6 bytes
Message
STX (02h): Start of Message
'0'-'2' (30h, 32h): Operation code page number is 02h.
'7'-'9' (37h, 39h): Operation code is 79h (in the page 2)
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
Step 4. The monitor replies a temperature of selected sensor.
Header
SOH-'0'-'0'-'A'-'D'-'1'-'2'
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).
'D' (44h): Message Type is "Get parameter reply"
'1'-'2' (31h, 32h): Message length is 18 bytes
Message
STX (02h): Start of Message
'0'-'0' (30h, 30h): Result code. No error
'0'-'2' (30h, 32h): Operation code page number is 2
'7'-'9' (37h, 39h): Operation code is 79h (in the page 2)
'0'-'0' (30h, 30h): This operation is "Set parameter" type
'0'-'0'-'F'-'F' (30h, 30h, 46h, 46h): Maximum value.
'0'-'0'-'3'-'2' (30h, 30h, 33h, 32h): The temperature is 25 degrees Celsius.
Temperature [Celsius]
+125.0
+ 25.0
+ 0.5
0
- 0.5
- 25.0
- 55.0
STX-'0'-'2'-'7'-'9'-ETX
STX-'0'-'0'-'0'-'2'-'7'-'9'-'0'-'0'
-'0'-'0'-'F'-'F'-'0'-'0'-'3'-'2'-ETX
Readout value is 2's complement.
Readout value
Binary
0000 0000 1111 1010
0000 0000 0011 0010
0000 0000 0000 0001
0000 0000 0000 0000
1111 1111 1111 1111
1111 1111 1100 1110
1111 1111 1001 0010
(14/38)
Message Check code
Message
Hexadecimal
00FAh
0032h
0001h
0000h
FFFFh
FFCEh
FF92h
Delimiter
BCC CR
Check code Delimiter
BCC CR