NEC RS-232C user manual Date & Time read and write, Date & Time Read, Bcc Ds-Etx

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Note.) 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).

Message

STX (02h): Start of Message

'0'-'0': Result code. No error.

'C'-'0'-'0'-'E' (43h, 30h, 30h, 45h): Asset Data write command

'0'-'0'(30h, 30h): Offset address from top of Asset data. 00h : Write data into from top of the Asset data area.

Data(0) –- Data(N): Asset data. The data must be ASCII characters strings.

ETX (03h): End of Message

Check code

BCC: Block Check Code

Refer to the section 4.5 “Check code” for a BCC calculation.

Delimiter

CR (0Dh): End of packet

9. Date & Time read and write

9.1 Date & Time Read

This command is used in order to read the setting of Date & Time.

1) The controller requests the monitor to reply with the Date & Time.

Header

Message

Check code

Delimiter

SOH-'0'-Monitor

STX-'C'-'2'-'1'-'1'-ETX

BCC

CR

ID-'0'-'A'-'0'-'6'

Header

SOH (01h): Start Of Header

'0' (30h): Reserved

Monitor ID: Specify the Monitor ID of 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'-'6'(30h, 36h): Message length

Message

STX (02h): Start of Message

'C'-'2'-'1'-'1' (43h, 32h, 31h, 31h): Date & time read request command.

ETX (03h): End of Message

Check code

BCC: Block Check Code

Refer to the section 4.5 “Check code” for a BCC calculation.

Delimiter

CR (0Dh): End of packet

2) The monitor replies Date & Time to the controller.

Header

Message

Check code

Delimiter

SOH-'0'-'0'-Monitor ID-'B'-'1'-'4'

STX-'C'-'3'-'1'-'1'-YY-MM-DD-WW-HH-MN

BCC

CR

-DS-ETX

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'-'4'(31h, 34h): Message length

Message

STX (02h): Start of Message

(20/50)

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Contents Communication Parameter Connectors and wiringApplication Communication Format Header block format fixed lengthALL Message block format STXETX STX ETX MSB LSBSOH Check codeMSB LSB Delimiter Following is an example of a Check code BCC calculationMessage type Get current Parameter from a monitorSet parameter Set parameter reply Current conditionCommands Save Current SettingsGet Timing Report and Timing reply MSB LSB ETXTypical procedure example How to change the Brightness settingNull Message BCCHeader Message Check code Delimiter Message Check code Delimiter Code STX-0-0-0-2-7-9-0-0 Power control procedure Power status readPower control Controller requests the monitor to control monitor powerAsset Data read and write Asset Data Read Request and replyAsset Data write BCC DS-ETX Date & Time read and writeDate & Time Read Date & Time Write Check code Delimiter Schedule read and write Schedule ReadSTX-C-3-2-1-PG-ON HOUR-ON MIN Page BCC OFF HOUR-OFF MIN-INPUT-WD-FL-ETX B33h, 42h 59 =3Bh C33h, 43h Off timer isn’t set Schedule WritePG-ON HOURS-ON MIN-OFF HOURS-OFF MIN-INPUT-WD-FL-P Mode Page BCC OFF HOUR-OFF MIN-INPUT-WD-FL-P Mode Header 31/50 SOH-0-0-Monitor ID-B-0-C STX-C-3-1-5-ST-PG-EN-ETX STX-C-2-1-4-PG-ON HOUR-ON MIN 34/50 BCC Self diagnosis Self-diagnosis status readST Result of self-tests 0-030h, 30h00 Normal Model Name Read Serial No. & Model Name ReadSerial No. Read Security Lock Security Lock Control930h, 39h Page Dicom SIM ISFAdjust Surround HdmiPIP POPRGB/HV OSD Option Sync DVI-PC DVI-HDNtsc SecamPIP ON/OFF All data are subject to change without notice
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