NEC RS-232C user manual Asset Data write

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'B' (42h): Message type is "Command reply"

N-N: Message length

Ex.) The byte data 20h is encoded to ASCII characters '2' and '0' (32h and 30h). Note.) This length includes STX and ETX.

Message

STX (02h): Start of Message

'C'-'1'-'0'-'B' (43h, 31h, 30h, 42h): Asset read reply command

Data(0) – Data(N): Retuned Asset data

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

8.2 Asset Data write

This command is used in order to write Asset Data.

1) The controller requests the monitor to write Asset data.

Header

Message

Check code

Delimiter

SOH-'0'-Monitor ID-'0'-'A'-N-N

STX-'C'-'0'-'0'-'E'-'0'-'0'-

BCC

CR

 

Data(0)-Data(1)---Data(N)-ETX

 

 

Header

SOH (01h): Start Of Header

'0' (30h): Reserved

Monitor ID: Specify the Monitor ID in which you want to write data. Ex.) If Monitor ID is '1', specify 'A'.

'0' (30h): Message sender is the controller.

'A' (41h): Message type is "Command".

N-N: Message length

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' (32h and 30h).

Message

STX (02h): Start of Message

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

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

2) The monitor replies a data for confirmation.

Header

Message

Check code

Delimiter

SOH-'0'-'0'-Monitor ID-'B'-N-N

STX-'0'-'0'-'C'-'0'-'0'-'E'-'0'-'0'-

BCC

CR

Data(0)-Data(1)---Data(N)-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".

N-N: Message length

(19/50)

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Contents Application Connectors and wiringCommunication Parameter Header block format fixed length Communication FormatALL STX ETX MSB LSB Message block formatSTX ETXMSB LSB Check codeSOH Following is an example of a Check code BCC calculation DelimiterGet current Parameter from a monitor Message typeSet parameter Current condition Set parameter replyMSB LSB ETX CommandsSave Current Settings Get Timing Report and Timing replyBCC Typical procedure exampleHow to change the Brightness setting Null MessageHeader Message Check code Delimiter Message Check code Delimiter Code STX-0-0-0-2-7-9-0-0 Power status read Power control procedureController requests the monitor to control monitor power Power controlAsset Data Read Request and reply Asset Data read and writeAsset Data write Date & Time Read Date & Time read and writeBCC DS-ETX Date & Time Write Check code Delimiter Schedule Read Schedule read and writeSTX-C-3-2-1-PG-ON HOUR-ON MIN Page BCC OFF HOUR-OFF MIN-INPUT-WD-FL-ETX Schedule Write B33h, 42h 59 =3Bh C33h, 43h Off timer isn’t setPG-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 status read Self diagnosisST Result of self-tests 0-030h, 30h00 Normal Serial No. Read Serial No. & Model Name ReadModel Name Read Security Lock Control Security Lock930h, 39h Page ISF Dicom SIMAdjust Hdmi SurroundRGB/HV POPPIP OSD Option Secam SyncDVI-PC DVI-HD NtscPIP ON/OFF All data are subject to change without notice
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