NEC LCD Monitor Manual 

Also see for LCD Monitor: Control guide

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NEC LCD Monitor Manual  Manual pdf 55 page image

(55/137)10. Schedule read and write10.1 Schedule ReadThis command is used in order to read the setting of the Schedule.1) The controller requests the monitor to read Schedule.Header Message Check code DelimiterSOH-'0'-Monitor ID-'0'-'A'-'0'-'8'STX-'C'-'2'-'2'-'1'-PG-ETX BCC CRHeaderSOH (01h): Start of Header'0' (30h): ReservedMonitor 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 lengthMessageSTX (02h): Start of Message'C'-'2'-'2'-'1' (43h, 32h, 32h, 31h): Schedule read request command.PG: Program No. The data must be ASCII characters strings.ETX (03h): End of MessageCheck codeBCC: Block Check CodeRefer to the section 4.5 “Check code” for a BCC calculation.DelimiterCR (0Dh): End of packet2) The monitor replies Schedule to the controller.Header Message CheckcodeDelimiterSOH-'0'-'0'-Monitor ID-'B'-'2'-'6'STX-'C'-'3'-'2'-'1'-PG-ON HOUR-ON MIN-OFF HOUR-OFF MIN-INPUT-WD-FL-P MODE-EXT1-EXT2-EXT3-EXT4-EXT5-EXT6-EXT7-ETXBCC CRHeaderSOH (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'-'6'(32h, 36h): Message lengthMessageSTX (02h): Start of Message'C'-'3'-'2'-'1' (43h, 33h, 32h, 31h): Schedule read reply commandPG-ON HOURS-ON MIN-OFF HOURS-OFF MIN-INPUT-WD-FL-P MODE-EXT1-EXT2-EXT3-EXT4-EXT5-EXT6-EXT7: Schedule dataPG: Program No.'0'-'0'(30h, 30h): Program No.1|'0'-'6'(30h, 36h): Program No.7ON_HOUR: Turn on time (hour)'0'-'0'(30h, 30h): 00|'1'-'7'(31h, 37h): 23 (=17h)'1'-'8'(31h, 38h): ON timer isn't set.