NEC C651Q External Controls - Page 120
Auto Standby Time Write
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22.6 Auto Standby Time Write This command is used in order to write the setting of Auto Standby Time. 1) The controller requests the monitor to write Time. Header SOH-'0'-Monitor ID-'0'- 'A'-'0'-'A' Message Check code STX-'C'-'A'-'0'-'B'-'0'-'5'-TIME-ETX BCC 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'-'A'(30h,41h): Message length (10byte) Delimiter CR Message STX (02h): Start of Message 'C'-'A'-'0'-'B' (43h, 41h, 30h, 42h): Power Save Mode command '0'-'5' (30h, 35h): Auto Standby Time Write TIME: AUTO STANDBY TIME (sec.) 00h (30h, 30h) - 78h (37h, 38h): 1 (5dec.) - 120 (600sec.) 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 written in result. Header Message SOH-'0'-'0'-Monitor ID- STX-'C'-'B'-'0'-'B'-'0'-'5'-ST-ETX 'B'-'0'-'A' Check code BCC 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) Delimiter CR Message STX (02h): Start of Message 'C'-'B'-'0'-'B' (43h, 42h, 30h, 42h): Power Save Mode Reply '0'-'5' (30h, 35h): Auto Standby Time Write ST: Error 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 (120/145)