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NEC RS-232C user manual SOH 01h Start of Header 0 30h Reserved

Models: RS-232C

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SOH (01h): Start of Header

SOH (01h): Start of Header

'0' (30h): Reserved

Monitor 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 length

Message

STX (02h): Start of Message

'B'-'1' (42h, 31h): Self-diagnosis 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 a result of the self-diagnosis.

Header	Message	Check code	Delimiter
SOH-'0'-'0'-Monitor ID-'B'-N-N	STX-'A'-'1'-	BCC	CR

ST(0)-ST(1) --------ST(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

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

'A'-'1' (41h, 31h): Application Test Report reply command

ST: 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'-'3'(37h, 33h):73: Main-power +2.5V abnormality

'7'-'4'(37h, 34h):74: Main-power +1.8V abnormality

'7'-'5'(37h, 35h):75: Main-power +5V abnormality

'7'-'6'(37h, 36h):76: Sub-power +3.3V abnormality

'7'-'7'(37h, 37h):77: Main-power +3.3V 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 'A'-'0'(41h, 30h):A0: Temperature abnormality – shutdown

'A'-'1'(41h, 31h):A1: Temperature abnormality – half brightness 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

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NEC RS-232C user manual SOH 01h Start of Header 0 30h Reserved

Contents

2.1 RS-232C Remote control 2. Connectors and wiring3.1 RS-232C Remote control 1. Application4.1 Header block format fixed length 4. Communication Format3rdbyte Destination Destination equipment ID. Receiver Header 4.2 Message block formatCheck code Delimiter MessageHeader Message 4.5 Check codeCheck code DelimiterHeader 4.6 DelimiterMessage Check code5.1 Get current Parameter from a monitor 5. Message type5.2 Get parameter reply 5.3 Set parameter 5.4 Set parameter reply 5.5.1 Save Current Settings 5.5 Commands5.5.2 Get Timing Report and Timing reply 6.1. How to change the “Brightness” setting 6. Typical procedure example5.5.3 NULL Message SOH-0-0-Monitor ID-D-1-2 Page Step 1. Select a temperature sensor which you want to read Delimiter CR 0Dh End of packet 7.1 Power status read 7. Power control procedure1 The controller requests the monitor to control monitor power 7.2 Power control8.1 Asset Data Read Request and reply 8. Asset Data read and write8.2 Asset Data write 9.1 Date & Time Read 9. Date & Time read and write9.2 Date & Time Write This command is used in order to write the setting of the Date & Time1 The controller requests the monitor to write Date & Time Message STX 02h Start of Message 10. Schedule read and write This command is used in order to read the setting of the Schedule10.1 Schedule Read 0-830h, 38h Message length Message STX 02h Start of Message 0-130h,31h VGA 0-230h,32h RGB/HV 0-330h,33h DVI 0-530h,35h Video1 Page 10.2 Schedule Write 1 The controller requests the monitor to write Schedule This command is used in order to write the setting of the ScheduleEX 0-130h, 31h Monday 0-430h, 34h Wednesday 2 The monitor replies a data for confirmation Page STX-C-3-1-5-ST-PG-EN-ETX SOH-0-0-Monitor ID-B-0-C1 The controller requests the monitor to write Schedule bit 4 Friday bit 5 Saturday bit 6 Sunday EX 0-130h, 31h Monday 1-731h, 37h 23 =17h 1-831h, 38h Off timer isnt set 11. Self diagnosis This command is used in order to read the Self-diagnosis status11.1 Self-diagnosis status read SOH 01h Start of Header 0 30h Reserved This command is used in order to read the Model Name This command is used in order to read a serial number12. Serial No. & Model Name Read 12.1 Serial No. Read13.1 Security Lock Control 13. Security LockSTX-C-2-1-D-EN-P1-P2-P3-P4-ETX SOH-0-MonitorID-0-A-1-0P1 Security Pass code 1st 0-030h, 30h P2 Security Pass code 2nd 0-030h, 30hST-EN Lock condition result data ST Status 0-030h, 30h No error C-3-1-D 43h, 33h, 31h, 44h Security Lock Control reply command0-130h, 31h Error ETX 03h End of Message Check code BCC Block Check CodeA. Operation Code OP code Table AppendixADJUST SCHDULE AUDIOPage Menu tree reset OSD timer secondsInformation OSD OSD TransparencyAdvanced Option7 Autooffset Terminate Carbon footprint Temperature sensorRevised at Mar.25/2010 All data are subject to change without notice50/50