NEC UN552S External Controls - Page 77

'0'-'1'(30h,31h): 1st | '1'-'F'(31h,46h): 31th EMON: End month '0'-'0'(30h,30h): No mean '0'-'1'(30h,31h): Janualy | '0'-'C'(31h,43h): December EDAY: End day '0'-'0'(30h,30h): No mean '0'-'1'(30h,31h): 1st | '1'-'F'(31h,46h): 31th 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 a data for confirmation. Header Message SOH-'0'-'0'-Monitor ID- STX-'C'-'B'-'1'-'9'-'0'-'1'-ST- 'B'-'1'-'C' PG-TP-YEAR-MONTH-DAY-WEEK NO- WEEK-EMON-EDAY-ETX Check code Delimiter BCC CR 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". '1'-'8'(31h, 38h): Message length Message STX (02h): Start of Message 'C'-'B'-'1'-'9' (43h, 33h, 31h, 39h): Holiday reply command '0'-'1' (30h, 30h): write request ST: Status command '0'-'0'(30h, 30h): No error '0'-'1'(30h, 31h): Error PG: Program No. '0'-'0'(30h, 30h): Program No.1 | '3'-'1'(33h, 31h): Program No.50 TP: Type bit 0: End day bit 1: Day bit 2: Week bit 3: Reserved bit 4: Reserved bit 5: Reserved bit 6: Reserved bit 7: Reserved YEAR: Year '0'-'0'(30h,30h): No mean '0'-'F'(30h,46h): 2015 (77/145)