NEC C651Q External Controls - Page 125

23.3 Setting Copy Start This command is used in order to start Setting Copy. 1) The controller requests the monitor to write Setting Copy Start. Header SOH-'0'-Monitor ID- '0'-'A'-'0'-'8' Message Check code STX-'C'-'A'-'0'-'9'-'0'-'2'-ETX BCC Delimiter CR Header SOH (01h): Start of Header '0' (30h): Reserved Monitor ID: Specify the Monitor ID of which you want to change a setting. 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 (8byte) Message STX (02h): Start of Message 'C'-'A'-'0'-'9' (43h,41h,30h,39h): Setting Copy command '0'-'2' (30h,32h): Start 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 to the controller. Header SOH-'0'-'0'-Monitor ID- 'B'-'0'-'A' Message STX-'C'-'B'-'0'-'9'-'0'-'2'-ST-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', replying monitor's ID is '1'. 'B' (42h): Message type is "Command reply". '0'-'A'(30h,41h): Message length (10byte) Message STX (02h): Start of Message 'C'-'B'-'0'-'9' (43h, 42h, 30h, 39h): Setting Copy Reply '0'-'2' (30h, 30h): Start ST: Status No Error : 00h (30h, 30h) Error : 01h (30h, 31h) 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 (125/145)