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NEC RS-232C user manual Message type, Get current Parameter from a monitor, Get parameter reply

Models: RS-232C

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5. Message type

5.1 Get current Parameter from a monitor.

STX

OP code page

OP code

ETX

Hi

Lo

Hi

Lo

1st

2nd

-3rd

4th

–5th

6th

Send this message when you want to get the status of a monitor.

For the status that you want to get, specify the “OP code page” the “OP code”, refer to

“Appendix

A. Operation code table”.

1stbyte) STX: Start of Message

ASCII STX (02h)

2nd-3rdbytes) OP code page: Operation code page.

Specify the “OP code page” for the control which you want to get the status.

Refer to “Appendix A Operation code table” for each item.

OP code page data must be encoded to ASCII characters.

Ex.) The byte data 02h must be encoded to ASCII characters '0' and '2' (30h and 32h).

OP code page 02h -> OP code page (Hi) = ASCII '0' (30h)

OP code page (Lo) = ASCII '2' (32h)

Refer to Operation code table. (Appendix A)

4th–5thbytes) OP code: Operation code

Refer to “Appendix A Operation code table” for each item.

OP code data must be encoded to ASCII characters.

Ex.) The byte data 3Ah must be encoded to ASCII characters '3' and 'A' (33h and 41h).

OP code 3Ah ->

OP code (Hi) = ASCII '3' (33h)

OP code (Lo) = ASCII 'A' (41h)

Refer to Operation code table.

6thbyte) ETX: End of Message

ASCII ETX (03h)

5.2 "Get parameter" reply

STX

Result

OP code page

OP code

Type

Max value

Current Value

ETX

Hi

Lo

Hi

Lo

Hi

Lo

Hi

Lo

MSB

LSB

MSB

LSB

1st

2nd-3rd

4th–5th

6th

–7th

8th

-9th

10th -13th

14th -17th

18th

The monitor replies with a current value and the status of the requested item (operation code).

1stbyte) STX: Start of Message

ASCII STX (02h)

2nd-3rdbytes) Result code.

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NEC RS-232C user manual Message type, Get current Parameter from a monitor, Get parameter reply

Contents

1. Application 2. Connectors and wiring2.1 RS-232C Remote control 3.1 RS-232C Remote control4.1 Header block format fixed length 4. Communication Format3rdbyte Destination Destination equipment ID. Receiver Message 4.2 Message block formatHeader Check code DelimiterDelimiter 4.5 Check codeHeader Message Check codeCheck code 4.6 DelimiterHeader Message5.1 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 12.1 Serial No. Read This command is used in order to read a serial numberThis command is used in order to read the Model Name 12. Serial No. & Model Name Read13.1 Security Lock Control 13. Security LockP2 Security Pass code 2nd 0-030h, 30h SOH-0-MonitorID-0-A-1-0STX-C-2-1-D-EN-P1-P2-P3-P4-ETX P1 Security Pass code 1st 0-030h, 30hETX 03h End of Message Check code BCC Block Check Code C-3-1-D 43h, 33h, 31h, 44h Security Lock Control reply commandST-EN Lock condition result data ST Status 0-030h, 30h No error 0-130h, 31h ErrorA. Operation Code OP code Table AppendixADJUST SCHDULE AUDIOPage OSD Transparency OSD timer secondsMenu tree reset Information OSDAdvanced Option7 Autooffset Terminate Carbon footprint Temperature sensorRevised at Mar.25/2010 All data are subject to change without notice50/50