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

Models: RS-232C

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9. Date & Time read and write

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

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

Contents

2. Connectors and wiring 2.1 RS-232C Remote control3.1 RS-232C Remote control 1. Application4. Communication Format 4.1 Header block format fixed length3rdbyte Destination Destination equipment ID. Receiver 4.2 Message block format HeaderCheck code Delimiter Message4.5 Check code Header MessageCheck code Delimiter4.6 Delimiter HeaderMessage Check code5.2 Get parameter reply 5. Message type5.1 Get current Parameter from a monitor 5.3 Set parameter 5.4 Set parameter reply 5.5.2 Get Timing Report and Timing reply 5.5 Commands5.5.1 Save Current Settings 5.5.3 NULL Message 6. Typical procedure example6.1. How to change the “Brightness” setting 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. Power control procedure 7.1 Power status read7.2 Power control 1 The controller requests the monitor to control monitor power8. Asset Data read and write 8.1 Asset Data Read Request and reply8.2 Asset Data write 9. Date & Time read and write 9.1 Date & Time Read1 The controller requests the monitor to write Date & Time This command is used in order to write the setting of the Date & Time9.2 Date & Time Write Message STX 02h Start of Message 10.1 Schedule Read This command is used in order to read the setting of the Schedule10. Schedule read and write 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 This command is used in order to write the setting of the Schedule 1 The controller requests the monitor to write ScheduleEX 0-130h, 31h Monday 0-430h, 34h Wednesday 2 The monitor replies a data for confirmation Page SOH-0-0-Monitor ID-B-0-C STX-C-3-1-5-ST-PG-EN-ETX1 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 11.1 Self-diagnosis status read This command is used in order to read the Self-diagnosis status11. Self diagnosis SOH 01h Start of Header 0 30h Reserved This command is used in order to read a serial number This command is used in order to read the Model Name12. Serial No. & Model Name Read 12.1 Serial No. Read13. Security Lock 13.1 Security Lock ControlSOH-0-MonitorID-0-A-1-0 STX-C-2-1-D-EN-P1-P2-P3-P4-ETXP1 Security Pass code 1st 0-030h, 30h P2 Security Pass code 2nd 0-030h, 30hC-3-1-D 43h, 33h, 31h, 44h Security Lock Control reply command ST-EN Lock condition result data ST Status 0-030h, 30h No error0-130h, 31h Error ETX 03h End of Message Check code BCC Block Check CodeAppendix A. Operation Code OP code TableADJUST AUDIO SCHDULEPage OSD timer seconds Menu tree resetInformation OSD OSD Transparency7 Autooffset OptionAdvanced Terminate Temperature sensor Carbon footprint50/50 All data are subject to change without noticeRevised at Mar.25/2010