NEC MultiSync V422 Control Manual

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NEC MultiSync V422 Control Manual Manual pdf 63 page image

(63/71)11. Self diagnosis11.1 Self-diagnosis status readThis command is used in order to read the Self-diagnosis status.1) The controller requests the monitor to read Self-diagnosis status.Header Message Check code DelimiterSOH-'0'-Monitor ID-'0'-'A'-'0'-'4' STX-'B'-'1'-ETX BCC CRHeaderSOH (01h): Start of Header'0' (30h): ReservedMonitor ID: Specify the Monitor ID 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'-'4'(30h, 34h): Message lengthMessageSTX (02h): Start of Message'B'-'1' (42h, 31h): Self-diagnosis commandETX (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 result of the self-diagnosis.Header Message Check code DelimiterSOH-'0'-'0'-Monitor ID-'B'-N-N STX-'A'-'1'-ST(0)-ST(1) --------ST(n)-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".N-N: Message lengthNote.) The maximum data length that can be written to the monitor at a time is 32bytes.Ex.) The byte data 20h is encoded as ASCII characters '2' and '0' (34h and 30h).MessageSTX (02h): Start of Message'A'-'1' (41h, 31h): Application Test Report reply commandST: Result of self-tests'0'-'0'(30h, 30h):00: Normal'7'-'0'(37h, 30h):70: Standby-power +3.3V abnormality'7'-'1'(37h, 31h):71: Standby-power +5V abnormality'7'-'2'(37h, 32h):72: Panel-power +12V abnormality'7'-'8'(37h, 38h):78: Inverter power/Option slot2 power +24V Abnormality'8'-'0'(38h, 30h):80: Cooling fan-1 abnormality'8'-'1'(38h, 31h):81: Cooling fan-2 abnormality('8'-'2'(38h, 32h):82: Cooling fan-3 abnormality)'9'-'0'(39h, 30h):90: Inverter abnormality'9'-'1'(39h, 31h):91: LED Backlight abnormality'A'-'0'(41h, 30h):A0: Temperature abnormality – shutdown'A'-'1'(41h, 31h):A1: Temperature abnormality – half brightness'A'-'2'(41h, 32h):A2: SENSOR reached at the temperature that the user had specified.'B'-'0'(42h, 30h):B0: No signal'C'-'0'(43h, 30h):C0: Option board abnormality