User`s manual

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'7'-'8' (37h, 38h): Operation code is 78h (on page 2)
'0'-'0'-'0'-'1' (30h, 30h, 30h, 31h): Select the temperature sensor #1 (01h).
00h: No meaning
01h: Sensor #1
02h: Sensor #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 2. The monitor replies for confirmation.
Header
SOH (01h): Start of Header
'0' (30h): Reserved
'0' (30h): Message receiver is the controller
'A' (41h): Monitor ID
This portion should depend on the monitor ID of Monitor.( ’A’(41h)-‘Z’(5Ah))
'F' (46h): Message Type is "Set parameter reply"
'1'-'2' (30h, 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 0
02h
'7'-'8' (37h, 38h): Operation code is 78h (in the page 2)
'0'-'0' (30h, 30h): This operation is "Set parameter" type
'0'-'0'-'0'-'2' (30h, 30h, 30h, 32h): Number of temperature sensors 2 (0002h).
'0'-'0'-'0'-'1' (30h, 30h, 30h, 31h): temperature sensor is #1.
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 3 The controller requests the monitor to send the temperature from the selected sensor.
Header Message Check code Delimiter
SOH-'0'-'A'-'0'-'C'-'0'-'6' STX-'0'-'2'-'7'-'9'-ETX BCC CR
Header
SOH (01h): Start of Header
'0' (30h): Reserved
'A' (41h): Monitor ID
If the command should be sent to certain monitor only, the either of character ‘A’(41h) to ‘Z’(5Ah)
which is corresponding to monitor ID from No1 to No.26 should be set to this portion.
'0' (30h): Message sender is the controller
'C' (43h): Message Type is "Get parameter”
'0'-'6' (30h, 36h): Message length is 6 bytes
Header Message Check code Delimiter
SOH-'0'-'0'-'A'-'F'-'1'-'2' STX-'0'-'0'-'0'-'2'-'7'-'8'-'0'-'0'-'0'-'0'
-'0'-'2'-'0'-'0'-'0'-'1'-ETX
BCC CR