NEC LCD Monitor Manual 

Also see for LCD Monitor: Control guide

Contents

NEC LCD Monitor Manual  Manual pdf 82 page image

(82/137)16. Firmware Version16.1 Firmware Version ReadThis command is used in order to read a firmware version.1) The controller requests the monitor to reply a firmware version.Header Message Check code DelimiterSOH-'0'-Monitor ID-'0'-'A'-'0'-'8'STX-'C'-'A'-'0'-'2'-TY-ETX BCC CRHeaderSOH (01h): Start of Header'0' (30h): ReservedMonitor 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 (8bytes)MessageSTX (02h): Start of Message'C'-'A'-'0'-'2' (43h, 41h, 30h, 32h): Firmware Version CommandTY: Firmware TypeFirmware1 : 00h (30h, 30h)Firmware2 : 01h (30h, 31h)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 a firmware version to the controller.Header Message Check code DelimiterSOH-'0'-Monitor ID-'0'-'B'-'1'-'8'STX-'C'-B'-'0'-'2'-ST-TY-MV-PP-BV1-BV2-BV3-BR1-BR2-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’, replying monitor’s ID is ‘1’.'B' (42h): Message type is "Command reply".'1'-'8'(31h, 38h): Message length (24bytes)MessageSTX (02h): Start of Message'C'-'B'-'0'-'2' (43h, 42h, 30h, 32h): Firmware Version Read replyST: Error StatusNo Error : 00h (30h, 30h)Error : 01h (30h, 31h)TY: Firmware TypeFirmware1 : 00h (30h, 30h)Firmware2 : 01h (30h, 31h)MV: Major Version:00h (30h, 30h) – 09h (30h, 39h)PP: Period: