User`s manual

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14.2 Automatic ID Assignment
This command executes the Automatic ID assignment operation by Monitor itself. Only start
ID should be suggested by Host to 1
st
connected Monitor and daisy chained monitor can assign
own Monitor ID one by one sequentially.
NOTE: This function is only applicable for RS232C based daisy chained connection, but not
applicable CAT5(RS485) based daisy chained connection. If you send this command to Monitor
with RS485 connection, communication control problem will be occurred.
1) Write Parameters from PC to Monitors.
Header Message Check code Delimiter
SOH-'0'-'*'-'0'-'A'-'0'-'8' STX-'C'-'2'-'2'-'0'-[VAL]-[VAL]
–ETX
BCC CR
Header
SOH (01h): Start Of Header
'0' (30h): Reserved
'*' (2Ah): Monitor ID
(Use ‘*’ as “ALL” for Broadcasting of parameter)
'0' (30h): Message sender is the controller
'A' (41h): Message type is "Command"
'0'-'8'(30h, 38h): Message length is 8 bytes.
Message
STX (02h): Start of Message
'C'-'2'-'2'-'0' (41h, 32h, 32h,30h):"Exec ID Assignment"
VAL:Value(Start Monitor ID No. (1-26))
(Ex.)
1 --- '0'(30h),'1'(31h)
26 --- '1'(31h),'A'(41h)
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) Reply from Monitor to PC.
Basically, No need reply because it is broadcasting request.
[This is only for reference if the write command is done with certain destination ID]
Header Message Check code Delimiter
SOH-'0'-'0'-SRC-'B'-'0' -'A' STX-[RES]-[RES] -'C'-'2'-'2'-'0'-
[
VAL]
-[VAL]–ETX
BCC CR
Header
SOH (01h): Start Of Header
'0' (30h): Reserved
'0' (30h): Message receiver is the controller
SRC: Monitor ID
This portion depends on the monitor ID of Monitor.( ’A’(41h)-‘Z’(5Ah))
'B' (42h): Message type is "Command reply "
'0' -'A' (30h, 41h): Message length.
Message
STX (02h): Start of Message
RES: Result code('0'(30h)-'0'(30h):Normal,
、 '0'(30h)-'1'(31h):Abnormal)
'C'-'2'-'2' -'0' (41h, 32h, 32h,30h): Exec ID Assignment reply command
VAL: ID No. suggested from Host
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