Schedule Read And Write; Schedule Read - NEC MultiSync C431 User Manual

10. Schedule read and write

10.1 Schedule Read

This command is used in order to read the setting of the Schedule.
1) The controller requests the monitor to read Schedule.
Header
SOH-'0'-Monitor ID-
'0'-'A'-'0'-'8'
Header
SOH (01h): Start of Header
'0' (30h): Reserved
Monitor ID: Specify the Monitor ID of which you want to get status.
Ex.) If Monitor ID is '1', specify 'A'.
'0' (30h): Message sender is the controller.
'A' (41h): Message type is "Command".
'0'-'8'(30h, 38h): Message length
Message
STX (02h): Start of Message
'C'-'2'-'3'-'D' (43h, 32h, 33h, 44h): Schedule read request command.
PG: Program No.

The data must be ASCII characters strings.
ETX (03h): End of Message
Check code
BCC: Block Check Code
Refer to the section 4.3 "Check code" for a BCC calculation.
Delimiter
CR (0Dh): End of packet
2) The monitor replies Schedule to the controller.
Header
SOH-'0'-'0'-Monitor ID-
'B'-'2'-'4'
Header
SOH (01h): Start of Header
'0' (30h): Reserved
'0' (30h): Message receiver is the controller.
Monitor ID: Indicate a replying Monitor ID.
Ex.) When this byte is set to 'A', the replying Monitor ID is '1'.
'B' (42h): Message type is "Command reply".
'2'-'4'(32h, 34h): Message length
Message
STX (02h): Start of Message
'C'-'3'-'3'-'D' (43h, 33h, 33h, 44h): Schedule read reply command
PG: Program No.
'0'-'0'(30h, 30h): Program No.1
|
'1'-'D'(31h, 44h): Program No.30
EVENT: Schedule event
'0'-'1'(30h, 31h): Power ON
'0'-'2'(30h, 32h): Power OFF
HOUR: Time (hour)
'0'-'0'(30h, 30h): 00
|
Message
STX-'C'-'2'-'3'-'D'-PG-ETX
Message
STX-'C'-'3'-'3'-'D'-PG-EVENT-HOUR-MIN-
INPUT-WEEK-TYPE-PMODE-YEAR-MONTH-DAY-
ORDER-EXT1-EXT2-EXT3-ETX
(49/104)
Check Delimiter
code
BCC CR
Check
code
BCC
Delimiter
CR