MDT551S - Mitsubishi Electric
Contents
1. 41h to z 5Ah which iS corresponding to monitor ID from Nol to No 26 should be set to this portion O 30h Message sender is the controller A 41h Message type is Command O 8 30h 38h Message length Message STX 02h Start of Message C 2 1 3 43h 32h 31h 33h Schedule read request command PG Program No 3 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 ODh End of packet 2 The monitor replies Schedule to the controller Check code SI Ke Ci et ote tate P G ON HOURS ON MIN 0F F HOURG 0FF Min INPUT WD FL ETX Start of Header Q 30h Reserved Message receiver is the controller Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2 5Ah B 42h Message type is Command reply 1 6 31h 36h Message length Message STX 02h Start of Message C 3 1 3 43h 33h 31h 33h Schedule read reply command PG ON HOURS ON MIN OFF HOURS OFF MIN INPUT WD FL Schedule data PG Program No 0 0 30h 30h Program No 1 0 6 30h 36h Program No 7 ON_HOUR Turn on time hour 0 0 30h 30h 00 1 7 31h 37h 23 17h 1 8 31h 38h ON timer isn t set ON_MIN Turn on time minute OTT U 30h 30n 0 32 58 M34 Dt OFF_HOUR Turn off time2. Stepl Change the communication mode to ID assignment mode by Mode change command Step2 Apply Monitor ID by Automatic ID assignment Command 14 1 Mode Change Command Change the RS 232C communication mode to ID assignment Mode NOTE This command is only applicable for RS 232C based daisy chained connection but not applicable CATS RS485 based daisy chained connection If you send this command to Monitor with RS485 connection communication control problem will be occurred 1 Write Parameters from PC to Monitors Check code SOH 0 0 A 0 4 STX 0 E ETX BCC CR Header SOH Olh Start Of Header OT E 30h Reserved oe 2Ah Monitor ID Use as ALL for Broadcasting of parameter YUT 30h Message sender is the controller AT mee Message type is Command O 4 30h 34h Message length is 4 bytes Message STX 02h Start of Message O E 30h 45h Command code is OEh as Force Mode Change 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 ODh End of packet 2 Reply from Monitor to Host Basically No need reply because it is broadcasting request only for reference if the write command is done with certain destination ID Check code POt 0 SRC STX RES RES 0 Header SOH Olh Start Of Header Q 30h Reserved O 30h Message recei
3. 0 0 30h 30h 00 1 7 31h 37h 23 17h 1 8 31h 38h Off timer isn t set OFF_MIN Turn off time minute 0 0 30h 30h 0min YS BY 33h 42h 59 3Bh 3 C 33h 43h Off timer isn t set INPUT ae input 0 0 30h 30h RGB1 HDMI A 31h RGB2 DVI D OPI h 30n 34n r RGB D SUB O 3 30h 33h RGB4 BNC YOT TAT 30h 34h DVD HDD Plato 1 SUny ooh VIDEO Pat Gt ASO he 1 lt T 1 2 VIDEOS O 7 30h 37h It is operates by last memory input O 6 30h 38h RGBS OPTION CATS Digital O 9 30h 39h RGBG DisplayPort WD Week setting 34 58 oe aE Changes fer the Better bit 0 Monday bit 1 Tuesday bit 2 Wednesday bit 3 Thursday bit 4 Friday bit 5 Saturday bit 6 Sunday EX POt 1 30h 31h Monday 0 4 30h 34h Wednesday O F 30h 46h Monday Tuesday Wednesday and Thursday 7 F 37h 46h Monday to Sunday Pig Option bit U Everyday bit 1 Every week bit 2 Schedule Disable Enable When bitO and bitl are 1 it behaves as Everyday EX CEEE o Schedule Disable SOS o faveryday oooO O o Eero O oooO 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 ODh End of packet 2 The monitor replies a data for confirmation If command is sent as Broadcast then no reply should be sent back Header Check
4. 30h 30h Operation code page number is 0 r1 0 31h 308 Operation code is 10h in the page 0 O 0 5 0 30h 30h 35h 30h Set Brightness setting 80 0050h as 80 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 ODh End of packet Step 4 The monitor replies with a message for confirmation If command is sent as Broadcast then no reply should be sent back Header Message Check code Delimiter HE U L ak Oa Oat Oe Oa l R ee al Ese et ee tee i TOE Header SOH Olh Start Of Header O 30h Reserved ie 0O 300 Message receiver is the controller A 41h Monitor ID This portion should depend on the monitor ID of Monitor A 41h Z2 5Ah F 46h Message Type is Set parameter reply 2T 2 31h 32h Message length is 18 bytes 20 58 Changes fer the Better Message STX 02h Start of Message O Q 30h 30h Result code No error O 0 30h 30h Operation code page number is 0 2T 0 31h 30h Operation code is 10h in the page U O O 30h 30h This operation is Set parameter type O 0 6 4 30h 30h 36h 34h Brightness max value is 100 0064h O O0 5 0 30h 30h 35h 30h Received a Brightness setting was 80 0050h as 80 ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code
5. 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion O 30h Message sender is the controller A 41h Message Type is Command O 6 30h 36h Message length is 6 bytes Message STX 02h Start of Message O 1 D o Get power status 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 ODh s End of packet 2 The monitor returns with the current power status STX 0 ae t0 ORD ee LH TnT 0 0 4 0 0 0 1 ETX Header SOH Olh Start Of Header O 30h Reserved O 30h Message receiver is the controller A 41h Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2 5Ah B 42h Message Type is Command reply 2T 2 31h 32h Message length is 18 bytes Message STX 02h Start of Message O 2 30h 32h Reserved data 0 0 30h 30h Result code 00 No Error 01 Unsupported D 6 44h 36h Display power mode code O O 30h 30h Parameter type code is Set parameter O O 0 4 30h 30h 30h 34h Power mode is 4 types 0 0 0 1 30h 30h 30h 31h Current power mode lt Status gt 0001 ON S LG _tpewer save 0004 Stand by power save OFF same as IR power off ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a
6. Message STX 02h Start of Message Chet 2r 2 I0 41h 32h 32h 30n Exec ID Assignment VAL Value Start Monitor ID No 1 26 RS 1 SSeS 0 30h 1 31h 26 1 31h A 41h 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 ODh End of packet 2 Reply from Monitor to PC Basically No need reply because it is broadcasting request This is only for reference if the write command is done with certain destination ID Check code Uen Ee STX RES RES VAL ETX Header SOH Olh Start Of Header Q 30h Reserved O 30h Message receiver is the controller SRC Monitor ID This portion depends on the monitor ID of Monitor A 41h Z 5Ah B 42h Message type is Command reply HUT A 30h 41h Message length Message STX 02h Start of Message RES Result code 0 30h 0 30h Normal 0 30h 1 31h Abnormal C 2 2 0 41h 32h 32h 30h Exec ID Assignment reply command VAL ID No suggested from Host 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 ODh End of packet 50 58 oe aE Changes fer the Beater Appendix A Operation Code OP code Table Item OP code OP code Parameter Remarks page Brightness Pp E o am o EE i o a a o
7. for a BCC calculation Delimiter CR ODh End of packet i Repeat Step 1 and Step 2 if you need to check the Brightness setting Recommended Step 5 Request the monitor to store the Brightness setting Save Current Settings Command Check code Tc ee ae PR Header SOH Olh Start Of Header O 30h Reserved AY 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to Z which is corresponding to monitor ID from Nol to No 26 should be set to this portion a broad cast command only set command is available then the O 30h Message sender is the controller A 41h Message type is Command O 4 30h 34h Message length is 4 bytes 5Ah If it is TXT 2Ah should be applied Message STX 02h Start of Message O C 30h 43h Command code is UCh as Save current settings 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 ODh End of packet 6 2 How to read the measurement value of the built in temperature sensors MDT551S has two built in temperature sensors The controller can monitor inside temperatures by using those sensors through RS 232C The following shows the procedure for reading the temperatures from the sensors Step 1 Select a temperature sensor which you want to read Header Message Check code Delimiter H
8. HOT HT HT OFF_MIN cee m3 m3 B 3sh Me L oly PO 1 SON SOR aln IMs Ero Aay Sen Turn off time O 30n 30H Bany 22h Ct oon 43h INPUT Timer input HOT HOT HOT HOT HOT HOT HOT HOT HOT HOT Ur TOOL 30N 30h 30N J0 30h ie 71 aq 4 ota Ony G A EAA 8 a 3 a 1 1 1 1 1 1 33h 34h 1 1 1 SUD SU Dy Suny UR 36h 37h 1 1 1 1 1 1 39h 42h 43h 32n 35h 38h LH Changes fer the Bester 59 On timer isn t set hour 00 23 17h Off timer isn t set minute 0 59 3Bh Off timer isn t set RGB1 HDMI RGB2 DVI D RGB3 D SUB RGB4 BNC DVD HD VIDEO VIDEO S It is operates by last memory input RGB5 OPTION CAT5 Digital RGB6 DisplayPort WD Week setting bit 0 Monday bit 1 Tuesday bit 2 Wednesday pit 3 Thursday bit 4 Friday Die 52 Sacurday bit 6 Sunday EX VU TT RAU 31h Monday O 4 30h 34h Wednesday O F 30h 46h Monday Tuesday Wednesday and Thursday 7 F 37h 46h Monday to Sunday FL Option bit 0 Everyday bit 1 Every week bit 2 Schedule Disable Enable When bitO and bitl are 1 it behaves as Everyday EX Do 30h 30h fo schedule Disable SOS Po Schedule Disable SOS Once Follow WD Week setting Po Everyday Everyweek Follow WD Week setting o o T SSS ETX 03h End of M
9. for a BCC calculation Delimiter CR ODh End of packet 2 The monitor replies a data for confirmation If command is sent as Broadcast then no reply Should be sent back Check code SOH 0 0 A B N N STX C 3 1 7 Data 0 Data 1 Data n ETX Header SOH Olh Start Of Header O 30h Reserved O 30h Message receiver is the controller TAY 41h Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2 5Ah 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 32h and 30h Message STX 02h Start of Message C 3 1 7 41h 33h 31h 37h Model Name reply Command Data 0 Data 1 Data n Mode name 5 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 ODh End of packet 40 58 oe aE Changes fer the Beater 13 Control Commands for Auto Brightness function MDT551S supports the Auto Brightness function via RS 232C control in order to share a sensor detected result in a monitor with multiple monitors We have 2 modes of control Stand alone mode A monitor can control the others as Master Primary Remote control mode All of
10. to ZT 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion If it is a broad cast command only set command is available then the 2Ah should be applied 4 byte Source Source equipment ID Sender Specify a sender address The controller must be 0 30h 5 byte Message Type Case sensitive Refer to section 4 2 Message block format for more details ASCII A 41h Command ASCII B 42h Command reply ASCII C 43h Get current parameter from a monitor ASCII D 44h Get parameter reply ASCII E 45h Set parameter ASCII F 46h Set parameter reply 6 7 bytes Message Length Specify the length of the message that follows the header from STX to ETX This length includes STX and ETX The byte data must be encoded to ASCII characters Ex The byte data 3Ah must be encoded to ASCII characters 3 and A 33h and 41h The byte data OBh must be encoded to ASCII characters 0 and B 30h and 42h 10 58 Changes fer the Bester 4 2 Message block format Delimiter Message block format is allied to the Message Type in the Header Refer to the section 6 Message format for more detail 1 Get current parameter The controller sends this message when you want to get the status of the monitor For the status that you want to get specify the OP code page and OP code refer to Appendix A Ope
11. 63h MM Month 0 1 30h 31h January 0 C 30h 43h December DD Day Ure A U a h 5 ol Pi E 3ih 45h 2 30 1eh t to lh 46h 2 21 1Fh WW weekdays O 0 30h 30h Sunday FU X lt 1 30h 31h Monday MOT 2 30h 32h Tuesday O 3 30h 33h Wednesday 0 14 30h 34h Thursday VS M 30h Son Friday 0 6 30h 36h Saturday HH Hours YUT ED C 30h 30n z 0 rae TT ESL Sips 23 7h MN Minutes 0 0 30h 30h 0 3 B 33h 42h 59 3Bh DS Daylight saving Summer time 0 0 30h 30h NO 0 1 30hm 31h YES 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 ODh End of packet 9 2 Date amp Time Write This command is used in order to write the setting of the Date amp Time 1 The controller requests the monitor to write Date amp Time 29 98 Check code SOH 0 T 1A Tt ASSL ata pike C A 1 2 MM DD WW HH MN DS E TX BCC CR Header SOH Olh Start Of Header 0 30h Reserved AY 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to Z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion If it is a broad cast command only set command is available then the X 2Ah should be applied O 30h Message sender is the cont
12. Auto Brightness setting parameter BEUZ LIGHT FROM BACK 1 Yes 0 No bitl BACK WALL 1 Near 0 Far biz FRONT SENSOR L SOn US OT E Divs BACK SENSOR 1420n U OER bit4 Saturation 1 0On 0 0ff bit5 Video Detect 1 0n 0 0ff 41 58 bit6 7 Not used VAL_H ASCII code of bit4 VJVof data VAL_L ASCII code of bit0 3 of data Example If BitO and 1 1 and the other bits 0 00000011 VAL_H 0 0x30 VAL_L 3 0x33 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 ODh End of packet 42 58 oe Se Changes fer the Better oe aE Changes fer the Beater 13 2 Auto Brightness Parameter Write Send AutoBrightness Parameters from Host PC or Primary Monitor to Slave Secondary Monitors 1 Write Parameters from PC to Monitor check code STX Tcl VO OV OV _H VAL_L ETX Header SOH Olh Start Of Header O 30h Reserved x 2Ah Monitor ID Use as ALL for Broadcasting of parameter O 30h Message sender is the controller A 41h Message type is Command O 8 30h 38h Message length Message STX 02h Start of Message PCP hah 2 43h 32h 32h 32h Auto Brightness Parameter Write command VAL AutoBrightness setting parameter bit0O LIGHT FROM BACK 1 Yes 0 No bitl BACK WALL 1 Near 0 Far bit2 FRONT SENSOR 1 0n 0 0ff bit3 BACK SENSOR 1 0n 0 0ff bit4 Saturation 1
13. BCC calculation 24 58 Changes fer the Better Delimiter CR ODh End of packet 7 2 Power control 1 The controller requests the monitor to control monitor power check code STX OTs 121 HOT M3 TO O Q ETX Header SOH Olh Start Of Header O 30h Reserved AY 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to Z which 1s corresponding to monitor ID from Nol to No 26 should be a broad cast command only set command is available then the 5Ah set to this portion If it is TXT 2Ah should be applied O 30h Message sender is the controller A 41h Message type is Command O C 30h 43h Message length is 12 bytes Message STX 02h Start of Message C 2 0 3 D 6 43h 32h 30h 33h 44h 36h 0 0 0 1 30h 30h 30h 31h Power mode 0001 ON 0002 0003 Do not set 0004 OFF same as the power off by IR QUUE Z FORCE power OFF with OPS PC power control 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 ODh End of packet 2 The monitor replies a data for confirmation If command is sent as Broadcast then no reply Should be sent back check code BTN HDD DTD LID TET 0 0 0 1 ETX Header SOH Olh Start Of Header 0 30h Reserved O 30h Messag
14. Changes fer the Better 6 Command reply The monitor replies to a query from the controller Command reply message format depends on each command Refer to section 5 5 Commands message for more details 12 58 are HE ELECTRIC Changes fer the Besser 4 5 Check code Check code is the Block Check Code BCC between the Header and the End of Message except SOH 2 2 2 2 2 2 2 2 SOH Do Reserved D Destination D gt Source D3 Type D4 Length Ds STX De Data D ETX Da Check code Dayi Dagr D XOR Ds XOR Dy XOR syr Da XOR Exclusive OR Following is an example of a Check code BCC calculation Header Check Destination Source Message OP code code Delimiter 01 30 41 Check code BCC Du D xor D xor D3 xor xor Dy xor Dis xor Dig 30h xor 41h xor 30h xor 45h xor 30h xor 41ih xor 02h xor 30h xor 30h xor 31h xor 30h xor 30h xor 30h xor 36h xor 34h xor 03h 77h 4 6 Delimiter Packet delimiter code ASCII CR O0ODh 13 58 Changes fer the Beater 5 Message type 5 1 Get current Parameter from a monitor wy Lob code page E Hi Lo Hi Lo qe ia zaa EL apt GX 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 1 byte STX Start of Message ASCII STX 02h 27 3 bytes OP code page Operation code page Specif
15. EO Sette Ba a6 e Ika at Oe he aC ab TX Chk CR 5 5 1a Save Current Settings Quick The controller requests for the monitor to store the adjusted value This command supports only following items in order to shorten execute time in monitor inside CONTRAST BRIGHT Color Temperature IRControl Inoformation OSD H Position V Position Sharpness Black Level Tint Color OSD Turn Off Off Timer OSD H Position OSD V Position Power On Delay Gamma Selection Tiling Monitor ID Clock Clock Phase Zoom H Resolution V Resolution STX Command code arty 17 58 Changes fer the Bester gt Send OD 30h 44h gt as Save current settings quick command Complete Save Current setting command packet as follows ASCII Olh 30h 41h 30h 41h 30h 34h 02h 30h 44h 03h CHK 0Dh BOR L DSI As at Oa AN Oo ata AST Ka 0 f xX CuRK CR The monitor replies the packet for confirmation as follows SOR A Oe Ot Ea Ba RG YS TAA 5 ALAT Y aa D ETACIE CR 5 5 2 Get Timing Report and Timing reply The controller reguests the monitor to report the displayed image timing gt Send 07 30h 37h as Get Timing Report command Complete Get Timing Report command packet as follows The destination A monitor ID of 1 is only an example It should be changed according to the target monitor ID ASCII Ola s0h 41h 3s0n 41n 30h 34n U2h 30h 37 h 03n Cak ODh SUH OS BAe het eee eo ke Oe TACE CR The monitor replies s
16. Un U OLE T bits Video Detect 1 Qn U OTT bit6 7 Not used VAL_H ASCII code of bit4 7of data VAL_L ASCII code of bit0 3 of data Example If BitO and 1 1 and the other bits 0 00000011 VAL_H 0 0x30 VAL_L 3 0x33 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 ODh End of packet 2 Reply from Monitor to PC Basically No need reply because it is broadcasting request only for reference if the write command is done with certain destination ID Header Check code A STX ath Ge rte Re Be i VA oh Se ere SOH Olh Start Of Header O 30h Reserved O 30h Message receiver is the controller A 41h Monitor ID B 42h Message type is Command reply O A 30h 41h Message length Message STX 02h Start of Message MClatBta 2 2 41h 33h S2h 32h Auto Brightness Parameter Write reply Command RES Result code 0 30h 0 30h Normal 07 30h 1 31h sAbnormal VAL_H VAL_L AutoBrightness setting parameter ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation 43 58 oe aE Changes fer the Better Delimiter CR ODh End of packet 44 58 Changes fer the Berjer 13 3 Auto Brightness Sensor Read Read light sensor detected data from Monitor to Host PC 1 Read Reques
17. the monitor ID of Monitor A 41h 2 5Ah D 44h Message Type is Get parameter reply 1 2 31h 32h Message length is 18 bytes 19 58 Changes fer the Bester Message STX 02h Start of Message 0 0 30h 30h Result code No error O 0 30h 30h Operation code page number is 0 2 0 31h 30h Operation code is 10h in the page 0 O 0 30h 30h This operation is Set parameter type O 0 6 4 30h 30h 36h 34h Brightness max value is 100 0064h FU Tee KU Ree Thee h Z 30h 30n 33h 32h Current Brightness setting 1s 50 0032h as 503 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 ODh End of packet Step 3 The controller request the monitor to change the Brightness setting Header Message Check code Delimiter Header SOH Olh Start Of Header O 30h Reserved AY 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to Z 5Ah which 1s corresponding to monitor ID from Nol to No 26 should be set to this portion If it is a broad cast command only set command is available then the Y 2Ah should be applied O 30h Message sender is the controller E 45h Message Type is Set parameter command O A 30h 41h Message length is 10 bytes Message STX 02h Start of Message O 0
18. 0 is encoded as ASCII characters 7 and 0 37h and 30h 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 ODh End of packet 38 58 Changes fer the Beater 12 Serial No amp Model Name Read 12 1 Serial No Read This command is used in order to read a serial No 1 The controller requests the monitor to read a serial No Check code Sl eS ES Header SOH Olh Start Of Header Q 30h Reserved A 41h Monitor or ID If the command should be sent to certain monitor only the either of character A 41h to Z which is corresponding to monitor ID from Nol to No 26 should be set to this portion SAh O 30h Message sender is the controller A 41h Message type is Command O 6 30h 36h Message length Message STX 02h Start of Message C 2 1 6 43h 32h 31h 36h Serial No 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 ODh End of packet 2 The monitor replies a data for confirmation If command is sent as Broadcast then no reply Should be sent back Check code SOH 0 0 A B N N GTR Oa ae t T t Data 0 Data 1 Data n Header SOH Start Of Header O 30h Reserved QS Message receiver is the controller A Monitor ID Th
19. ART interface POWER CONTROL function POWER ON OFF commands OSD settings for Serial Communication Please confirm following OSD settings prior to use the serial interface SERIAL COMMUNICATION Set appropriate type of connection RS232 Select if you use RS232C RS485 Select if you use CATS LAN Select if you use LAN OPS Select if you use OPS PC RS485 Termination If you use the RS485 with CATS option with multiple displays connected as a daisy chain tern on only 1 unit in the chain If you use only one display then turn on it LAN SETTING If you use LAN control set appropriate parameters for DHCP CLIENT IP ADDRESS SUBNET MASK and DEFAULT GATEWAY MONITOR ID Set appropriate number of Monitor ID 1 26 This ID is used for Extended Command Basic command is independent from this setting CONTROL TIME OUT If you use the HYPER TERMINAL with manual typing operation of ASCII characters then change the setting from default 10msec to 2sec or 30sec 3 58 Changes fer the Beater 3 Communication Parameter Set each communication parameters to the PC connected with each kind of cable A RS 232C connection 1 RS 232C direct connection between PC and Display RS 282C asynchronous Full duplex 9600DpS Data length B CAT5 OPTION RS 485 connection 1 USB connection between PC and CAT5 Tx BOX Control switch is Legacy mode or Auto conversion mode RS 232C Asynchronous Half duple
20. Abnormal FVAL_HH Front Sensor Detected Data High High byte Maximum F 0x46 FVAL_HL Front Sensor Detected Data High Low byte Maximum F 0x46 FVAL_LH Front Sensor Detected Data Low High byte Maximum F 0x46 FVAL_LL Front Sensor Detected Data Low Low byte Maximum F 0x46 BVAL_HH Back Sensor Detected Data High High byte Maximum F 0x46 BVAL_HL Back Sensor Detected Data High Low byte Maximum F 0x46 BVAL_LH Back Sensor Detected Data Low High byte Maximum F 0x46 BVAL_LL Back Sensor Detected Data Low Low byte Maximum F 0x46 APL_HH APL data High High byte Maximum F 0x46 APL_HL APL data High Low byte Maximum F 0x46 APL_LH APL data LowHigh byte Maximum F 0x46 APL_LL APL data Low Low byte Maximum F 0x46 ETX 03h End of Message Check code 45 58 oe Se Changes fer the Besser BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation 46 58 oe aE Changes fer the Beater 13 4 Auto Brightness Sensor Write Broadcast light sensor data from Host PC or Primary Monitor to Secondary Monitors 1 Write Parameters from PC to Monitors check code Se TA a a a A A DE FVAL_HL FVAL_LH FVAL_LL BVAL_HH BVAL_HL BVAL_LH BVAL_LL APL_HH APL_H1L APL_ LH APL_LL ETX Header SOH Olh Start Of Header Q 30h Reserved 2Ah Monitor ID Use as ALL for Broadca
21. Brightness setting Step 1 The controller requests the Monitor to reply with the current brightness setting and capability to support this operation Get parameter Header Message Check code Delimiter Sia 1 F 0 St 1 OB TX Header SOH Olh Start Of Header O 30h Reserved AY 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion If it is a broad cast command only set command is available then the X 2Ah should be applied O 30h Message sender is the controller C 43h Message is Get parameter command O 6 30h 36h Message length is 6 bytes Message STX 02h Start of Message O 0 30h 30h Operation code page number is 0 2 0 31h 30h Operation code is 10h in the OP code page D 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 ODh End of packet Step 2 The monitor replies with current Brightness setting and capability to support this operation If command is sent as Broadcast then no reply should be sent back Check code Ca Oe tee hae et Ora Or ETE ae eee ne ee ee ee SOH Olh Start Of Header O 30h Reserved O 30h Message receiver is the controller A 41h Monitor ID This portion should depend on
22. LAN command protocol has no NETWORK CERTIFICATION feature When you don t use in private network you may change the IP address sometimes for low level security 57 58 Changes fer the Besser All data are subject to change without notice Copyright 2008 2009 Mitsubishi ElectricCorporation All Right Reserved This document provides the technical information for users Mitsubishi ElectricCorporation reserves the right to change or modify the information contained herein without notice Mitsubishi ElectricCorporation makes no warranty for the use of its products and bears no responsibility for any errors or omissions which may appear in this document 58 58
23. Noise Reduction MAX Color control Red 16h Green 18h Blue 1Ah Color Temperature 2 0 2600K 100K step 74 10000K H Position 00h 20h Left side Depends on a display timing ax Right side V Position Down side Depends on a display timing Up side PICTURE Chock 00h Clock phase U Uh H Resolution 02h z E E aa S V Resolution 02h Zoom Mode 02h custom Dynamic 6 Normal FULL Zoom H Expansion 02h 100 100 300 Zoom V Expansion 02h 100 300 51 58 Item OP code OP code Parameter Remarks page Zoom H Position 02h CCh 0 Left side Max Right side Zoom V Position 02h CDh 0 Down side lt t Up side Balance 00h O Left 50 Center de oo 100 Right a 100 Max Th 1 Small 2 Middle 3 Large TER Momentary E oOo o o O OFF ON English OSD Language German French Spanish Japanese Italian Swedish O Min PIP Audio PIP Reset 50 Center Auto Setup Auto 100 Max 2 Min 50 Center Ear fa Language Chinese Screen Gamma normal Saver screen saving gamma Brightness 02h DCh 1 normal 2 decrease brightness 1 Auto 2 Forced ON p _ Color System NTSC PAL gt SECAM Auto 4 43NTSC PAL 60 Side Border Color J LO LA LA D e NM FIO ATID OFF WN FEF Configuration 1 52 58 oe Se Changes fer the Beater Item OP co
24. Time check code SUR Of A tat Reta Cle Cla Se LAO S E 5 BCC CR Header SOH Olh Start Of Header O 30h Reserved A 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to Z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion O 30h Message sender is the controller A 41h Message type is Command Ot 6 0h som t Length Message STX 02h Start of Message C 2 1 1 43h 32h 31h 31h Date amp 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 ODh End of packet 2 The monitor replies Date amp Time to the controller check code STX 1 Cet Sha aH 1 YY MM DD WW HH MM D3 ETX Header 28 58 SOH Olh Start of Header O 30h Reserved O 30h Message receiver is the controller A 41h Monitor ID oe SE Changes fer the Better This portion should depend on the monitor ID of Monitor A 4lh 2Z 5Ah B 42h Message type is Command reply 1 4 31h 34h Message length Message STX 02h Start of Message C 37 1 1 43h 33h 31h 31h Date amp Time read reply command YY MM DD wWwW HH MN DS Date amp Time data YY Year offset 2000 0 0 30h 30h 2000 6 3 36h 33h 2099 99
25. USB Standard USB cable A B we eee GAT5 TX BOX 9 4 from 0 terminal OUT terminal ae terminal oe terminal peace gH toaca f torts caie f L Note USB control is converted to RS 232C in before conversion to CAT5 RS 485 control in CAT5 Tx BOX The CAT5 Tx BOX has the following two mode of RS 232C to RS 485 conversion 1 Auto conversion mode Using simple RS 232C 3 wired control and full wired control 2 Legacy mode Using full wired RS 232C control for half duplex signal control for RS 485 Since the CAT5 serial communication function requires half duplex communication control by DTR and RTS control the Legacy mode can t control with simple RS 232C cable Please check Appendix B for more details l N C LAN connection Connector Modular 8pin RJ45 Cable Modular 8pin RJ45 Strait CAT5 6 7 LAN cable If you connect one PC and one display without LAN HUB you use Cross LAN cable LAN HUB Display 1 Display 2 LAN cable LAN cables Bp ne EE CEP Den ES pl E Note LAN control is converted to RS 232C control in the display 2 58 oe SE Changes fer the Berjer D OPS connection Connector OPS slot Cable No need You can control Monitor by using UART COM port of OPS PC As for the available OPS PC module please contact sales representative from MITSUBISHI in your area Option slot OPS PC Module Note 1 Following functions are disabled if you control display from OPS PC via U
26. al 9 DisplayPort sRGB Hi Bright Standard SRGB PC mode only Cinema A V mode only S PIP ON OFF NZD Tau Still ON OFF This operation has limitation of selection Please refertothemonitor instruction manual PIP Input RGB 3 D SUB RGB 4 BNC RGB 1 HDMI RGB 2 DVI D DVD HD VIDEO Composite S VIDEO OPTION CAT5 Digita S Still Capture uP os o T Ai 3 4 9 DisplayPort T Mute 0 2 UNMUTE I ee Volume UP Down oo PIP V Position 02h 75h side Down Select Temperature 02h 78h Sensor 1 sensor Sensor 2 K O UD S Q UT Returned value is 2 s complement Refer to section 6 2 Readout a temperature Read only Temperature 54 58 Xe O O I om O D HH Z O O Item CONTROL LOCK of Front button and IR control ON OFF OP code page OP code 55 58 Parameter 0 UN LOCK Off 1 LOCK ON Remarks This LOCK is unlocked inthe same manner as LOCK status of IR CONTROL oe SE Changes fer the Besser B Application Note for RS485 based communication using CATS Tx BOX Legacy mode only 5 RS 485 is half duplex communication So data flow control in HOST side is required 6 Data flow control is done by following procedure HOST send data to Monitor while both of RTS and DTR signal is LOW Clear status HOST receive data from Monitor while RTS signal is HIGH Set status 7 Following ch
27. ands correctly during the mode So do NOT send any command at least 7 sec after monitor power on If you make the code which send any command after Power ON command please put a wait at least 7 sec after sending the command Available Command list at DC power off status MDT551S can t accept and reply any command except for the following commands when it is in DC power off or power saving Power status Read Read Model name Read Serial number Read Power on Power off Example of communication timing Command 1 Command 2 PC Display Characters of Command 1 HED Command interval from PC Wait sending next command for processing in display a gt 7sec When Command 1 is power command POWER ON POWER OFF a gt 5sec When Command 1 is video input command INPUT D SUB INPUT VIDEO etc a gt 600msec When Command 1 is the others Minimum reply time from display Additional time depends on command processing in display b 10msec Typ On RS 232C connection The time depends on models as 10 to 20msec b 140msec Typ On RS 485 connection The time depends on models as 90 to 140msec Command internal gap Don t make a longer interval gap between characters Following 3steps of time out periodis selectable by OSD menu CONTROL TIMEOUT in CONFIGURATION2 menu C lt 10msec Normal communication mode for time out error of each character gap C lt 2sec Hand ty
28. art shows more detailed timing of data flow control by RTS l RTS amp DTR a K l TxD Host gt Monitor Request D tM __ _ RxD Monitor gt Host ew d 1 i Ep a setup time of TxD by HOST up to programming b Data transmission time of TxD by HOST up to data length c Margin time of TxD period by HOST up to programming d Reply preparation time by Monitor approx 140msec min HOST PC should keep RTS signal LOW while above b period at least a and c is required in order to make reliable communication between HOST and Monitor 8 Example of programming System Casel OS Windows XP Professional SP2 CPU Centrino Duo 1 66GHz Case2 OS Windows XP Home SP1 CPU Pentium4 2 8GHz Case3 OS Windows XP Professional SP2 CPU Pentium3 933MHz Procedure Send Data EscapeCommFunction hFile CLRRTS CLEAR RTS amp DTR SLEEP 20 put 20msec delay for above a setup time of TxD by HOST WriteFile Data transmission of TxD SLEEP 70 put 70msec delay for above c Margin time of TxD period by HOST EscapeCommFunction hFile SETRTS SET RTS amp DTR Receive Data Ex by Polling timer at 100msec interval ReadFile Data Receive of RxD 56 58 oe aE Changes fer the Better C Application Note for LAN based communication The RS 232C command code is been able to execute on LAN When you make your application program you use socket po
29. cket consists of four parts Header Message Check code and Delimiter Sequence of a typical procedure to control a monitor is as follows A controller and a monitor two way communication composition figure Get Parameter gt gt The controller sends a command to you want to change lt Get Parameter Repl E The monitor replies with the Header Message Check Code Delimiter current value of the requested Set Parameter gt os Check Code Message Header The controller sends commands to set an adjusted value Set Parameter Reply The monitor replies to the controller for confirmation Get Parameter Se Message Header The controller sends a command to get a value for confirmation lt __ Get Parameter Repl adjusted value Save Current Setting Command gt Check Code Message Header The controller requests to store the adjusted value tothe monitor 9 58 oe aE Changes fer the Better 4 1 Header block format fixed length Reserved Destination M M SoH ay 1 6 essage essage 0 A Type Length 1 byte SOH Start of Header ASCII SOH O1h 2 byte Reserved Reserved for future extensions MDT551S must be ASCII 0 30h K pytej Destination Destination equipment ID Receiver Specify a command s receiver s address If the command should be sent to certain monitor only the either of character A 41h
30. code R SOS tet Ole tf Peat Bee te G Skat OC ahaa te eS i PeR ON HOURS 0N C MIN OFF HOURS OFF Min NPUT WD FL ETX SOH Olh Start Of Header O 30h Reserved O 30h Message receiver is the controller AY 41h Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2 5Ah B 42h Message type is Command reply 1 8 31h 38h Message length Message STX 02h Start of Message C 3 1 4 43h 33h 31h 34h Schedule writes reply command ST Schedule Status command 0 30h No error 1 31h Error PG ON HOURS ON MIN OFF HOURS OFF Min NPUT WD FL Schedule data PG Program No 29738 oe SEE Changes fer the Bester 0 0 30h 30h Program No 1 0 6 30h 36h Program No 7 ON_HOUR Turn on time hour 0 0 30h 30h 00 1 7 31h 37h 23 17h 1 8 31h 38h ON timer isn t set ON_MIN Turn on time minute a 30h 30h U 3 B 33h 42h 59 3 C 33h 43h On timer isn t set OFF_HOUR Turn off time hour 0 0 30h 30h 00 1 7 31h 37h 23 17h 1 8 31h 38h Off timer isn t set OFF_MIN Turn off time minute 0 0 30h 30h U 3 B 33h 42h 59 3Bh 3 C 33h 43h Off timer isn t set INPUT Timer input Ot t0 30n BO ReB1 HDMI Dhe T it 20h 31h RGB DVI D VU Yee RST 30n 320 RGB3 D SUB O 3 30h 33h RGB4 BNC PO 4 30h 34h DVD BD rar
31. de OP code Parameter Remarks page SSS ESS eee Pes agra a OR OSD Turn Off U Uh FCh O 4 Do not set STOSec 120 120sec Information OSD 02h 3Dh 0 disable information OSD 3 10 OSD timer seconds Off Timer 02h 2Bh 0 OFF 1 1 hour 24 24 hours 02h 38h Seton ae 02h 39h aes Input Resolution 02h 1 hour step N G O 4 L MY 5 o 4 Wy G O U J gt GOT Auto 1024x768 1280x768 1360x768 1400x1050 1680x1050 1600x1200 1920x1200 OFF gt MIDDLE HIGHT Gamma Selection 02h 68h Gamma Table Selection 1 Native Gamma 4 Gamma 2 2 8 Gamma 2 4 7 S Gamma pi S 6 Black Level 02h 22h Expansion WM FIO J On owt WN LA Option Dicom imulate Programmable Scan Mode 1 OVER SCAN pBerme TL ence Scan Conversion 1 OFF INTERLACE 2 Enable IP ON PROGRESSIVE Film Mode 1 OFF ee ie matem oak am foem OOOO R IR Control Ozh is Lock OLE 3 a eS 2 Normal 4 Secondary Tiling H monitor 1 Number V monitor Number Position z Upper left MAX Lower right 53 58 Advanced Option oe Se Changes fer the Beater Item OP code OP code Parameter Remarks page Mode 02h 1 Disable OFF e if Frame 1 Disable Power On Delay 02h D8h 0 OFF 2 4 6 8 10 20 30 40 50 50sec Advanced Option Reset T RESET Input 00h 60h E RGBS D SUB RGB4 BNC RGB1 HDMI RGB2 DVI D DVD HD VIDEO Composite S VIDEO OPTION CAT5 Digit
32. de page 15 58 Changes fer the Bester This OP code page data must be encoded to ASCII characters Ex The byte data 02h must be encoded to ASCII UT and 2 30h and 32h Refer to the Operation code table 4 _5 bytes OP code Operation code This OP code data must be encoded to ASCII characters OP code 1Ah gt OP code Hi ASCII 1 31h OP code Lo ASCII A 41h Refer to the Operation code table 6 9 bytes Set value 16bit This data must be encoded to ASCII characters Ex 0123h gt 1 MSB ASCII 0 30h OO BTT 11 31ih 3 ASCII 2 32h ZA SR ASCIT 13 33h 10 byte ETX End of Message ASCII ETX 03h 5 4 Set parameter reply Requested setting ee IEIET ANL RE TNE E 1013 The Monitor echoes back the parameter and status of the requested operation code If command is sent as Broadcast then no reply should be sent back 1 byte STX Start of Message ASCII STX 02h 24 3 hytes Result code ASCII 0 0O 30h 30h No Error ASCII 0 1 30h 31h Unsupported operation with this monitor or unsupported operation under current condition 4 5 bytes OP code page Echoes back the Operation code page for confirmation Reply data from the monitor is encoded to ASCII characters Ex OP code page 02h gt OP code page ASCII UT and 2 30h and 32h Refer to Operation code table 6 bytes OP code Echoes back the Operation code for confirmation Reply data fro
33. e teat ETX Header SOH Olh Start of Header O 30h Reserved O 30h Message receiver is the controller A 41h Monitor ID This portion should depend on the monitor ID of Monitor AT 41h 2 5Ah D 44h Message Type is Get parameter reply 1 2 31h 32h Message length is 18 bytes Message STX 02h Start of Message 0 0 30h 30h Result code No error O 2 30h 32h Operation code page number is 2 7 9 37h 39h Operation code is 79h in the page 2 O O 30h 30h This operation is Set parameter type 0 0 F F 30h 30h 46h 46h Maximum value VD Re Oh 3 2 30h 30h 33h 32h The temperature is 50 degrees Celsius Readout value is 2 s complement Readout value Temperature Celsius Hexadecimal 125 0 0000 0000 0111 1101 007Dh 0000 0000 0001 1001 0019h 0000 0000 0000 0001 poo 0000 0000 0000 oooo ooooh 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 ODh End of packet 23 38 Changes fer the Beater 7 Power control procedure 7 1 Power status read 1 The controller requests the monitor to reply a current power status Check code STH OST RTS S E Header SOH Olh Start Of Header O 30h Reserved A 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to z
34. e These bytes indicate a replying item s OP code page This returned value from the monitor is encoded to ASCII characters Ex The byte data 02h is encoded to ASCII character 0 and 2 30h and 32h Refer to the operation codes table 6 7 bytes OP code Operation code These bytes indicate a replying item s OP code This returned value from the monitor is encoded to ASCII characters Refer to the operation code table Ex The byte data 1Ah is encoded to ASCII character l and A 31h and 41h gt _ot bytes Type Operation type code This returned value from the monitor is encoded to ASCII characters Ex The byte data 01h is encoded to ASCII character 0 and 1 30h and 31h 00h Set parameter Olh Momentary Like the AutoSetup function which automatically changes the parameter 10 13 bytes Max value Maximum value which monitor can accept 16bits This returned value from the monitor is encoded to ASCII characters Ex SOT UL 2 and 3 means 0123h 291 14 17 bytes Current Value 16bits This returned value from the monitor is encoded to ASCII characters Ex 0 1 2 and 3 means 0123h 291 18 byte ETX End of Message ASCII ETX 03h 5 3 Set parameter a to ai to n rse ef As Ge 10 Send this message to change monitor s adjustment and so on The controller requests a monitor to change value 1 byte STX Start of Message ASCII STX 02h aeg bytes OP code page Operation co
35. e sender is the controller TA 41h Monitor ID This portion should depend on the monitor ID of Monitor B 42h Message type is Command reply N N Message length LATAR AT SAN L Note The maximum data length that can be written to the monitor at atime is 32bytes Ex The byte data 20h is encoded as ASCII characters 2 and 0 32h and 30h Message STX 02h Start of Message 0 0 30h 30h Result code No error C 2 0 3 D 6 43h 32h 30h Soh 44h 36h power control reply command PA The monitor replies same as power control command to the controller 0 0 0 1 30h 30h 30h 31h Power mode 0001 ON 25 58 Changes fer the Beater 0002 0003 Do not set 0004 OFF same as the power off by IR QOOOF FORCE power OFF with OPS PC 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 ODh End of packet POWER CONTROL ON OFF FORCE commands are discarded if the commands are applied from OPS PC module 8 Asset Data read and write 8 1 Asset Data Read Request and reply This command is used in order to read Asset Data 1 The controller requests the monitor to reply with Asset data Check code SOH O TA T O T A T Q A STX C OQ O T BI OQ O D 0O ETX BCC CR Header SOH Olh Start Of Header O 30h Reserved A 41h Monitor ID If the command should be
36. eader SOH Olh Start of Header Q 30h Reserved A 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to Z T 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion O 30h Message sender is the controller 21 58 Changes fer the Berjer E 45h Message Type is Set parameter command VU T TAT 30h 41h Message length is 10 bytes Message STX 02h Start of Message VU YT ZT 30h 32h Operation code page number is 02h 7 8 37h 38h Operation code is 78h on page 2 Ot 0 0 17 30h 30h 30h 31h Select the temperature sensor 1 01h 00h No meaning Olh Sensor 1 02h Sensor 2 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 ODh End of packet Step 2 The monitor replies for confirmation check code ce F STX 0 0 0 2 7 8 0 0 0 0 NOt aTOVo toretore T ETX SOH Olh Start of Header O 30h Reserved O 30h Message receiver is the controller A 41h Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2 5Ah F 46h Message Type is Set parameter reply 2T 2 30h 32h Message length is 18 bytes Message STX 02h Start of Message 0 0 30h 30h Result code No error VU Tee TZ T 30h 32h Operation c
37. ection 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 2 The monitor replies a data for confirmation If command is sent as Broadcast then no reply Should be sent back check code SOH 0 0 A B N N STX 01 t0 T Cr r tat Rr TU T Header SOH Olh Start Of Header 27 58 oe aE Changes fer the Better O 30h Reserved O 30h Message receiver is the controller A 41h Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2Z 5Ah B 42h Message type is Command reply N N Message length Note The maximum data length that can be written to the monitor at atime 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 O O EK 43h 30h 30 45h Asset Data write command O O 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 ODh End of packet 9 Date amp Time read and write 9 1 Date amp Time Read This command is used in order to read the setting of Date amp Time 1 The controller requests the monitor to reply with the Date amp
38. essage Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 33 38 oe Se Changes fer the Better 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 Schedule Check code olka tC at Tah 1a 49 PG ON HOURS ON MIN OFF HOURS OFF Min INPUT WD FL ETX Header SOH Olh Start Of Header O 30h Reserved A 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion If it is a broad cast command only set command is available then the X 2Ah should be applied O 30h Message sender is the controller A 41h Message type is Command 1 6 31h 36h Message length Message STX 02h Start of Message C 2 1 4 43h 32h 31h 34h Schedule writes command PG ON HOURS ON MIN OFF HOURS OFF Min INPUT WD FL Schedule data PG Program No 0 0 30h 30h Program No 1 0 6 30h 36h Program No 7 ON_HOUR Turn on time hour 0 0 30h 30h 00 1 7 31h 37h 23 17h 1 8 31h 38h ON timer isn t set ON_MIN Turn on time minute 0 0 30h 30h 0 bo B 33h 42h 59 3 C 33h 43h On timer isn t set OFF_HOUR Turn off time hour
39. ex gt When Host computer ask Power status of monitor the status of monitor is powered on Command fram computer Command fram Monitor Detail of command 3030765000 o ov P emer lAa about the power status of monitor Structure of the Read command ASCII a Ce ee E T a 7650 O w e a e O DVI D 28 DVD HD 76 49 76 32 S VIDEO 76 49 76 33 Picture mode HIGHBRIGHT 76 4D 70 31 STANDARD PVM ph 76 4D 7099 32 resolution of Internal monitor resolution 7 58 oe SE Changes fer the Better 5 Remote command Not executable in stand by mode When the remote commands are sent while stand by mode the stand by mode is only canceled Some remote control operations can be achieved by the remote command codes The remote commands have no data codes Button s name on remote Function VOLUME 72h 30h 36h Example When executing the AUTOSETUP Figures and symbols enclosed in quotation marks are ASCII codes Sending commands Status code Description from the PC etc from the projector 30 30 72 30 39 OD Command operating the same 00r09l 4I as the MENU button 30 30 72 30 39 OD Command receipt confirmation OOQ Command echo back 8 58 oe Se Changes fer the Better 4 2 Extended command his command set supports multi monitor control by daisy chained connection This command set will NOT be written in the user s manual of MDT551S The command pa
40. h Message length Start of Message 1 2 43h 33h 31h 32h Date amp Time write reply command amp Time Status command 0 0 30h 30h No error 0 1 30h 31h Error Message STX 02h 1OVaI St ST Date YY MM Yy MM DD WW HH MN DS ETX 03h Check code DD WW HH MN DS Date amp Time data Year offset 2000 0 0 30h 30h 2000 hte SY SO 33h 2099 99 63h Month 0 1 30h 31h January 0 C 30h 43h December Day QA 0h alae a I E 31h dahl 30 1Eh h I PEA Sty 46h ol ie weekdays This parameter if no use since the week is automatically calculated by Monitor based on the date data Hours 0 0 30h 30h U fT lly 37h 23 17h Minutes 0 0 30h 30h U 3 B 33h 42h 59 3Bh Daylight saving Summer time LOK UDR URT S NO OnT T 30h Sin YES End of Message BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 31 58 Changes fer the Beater 10 Schedule read and write 10 1 Schedule Read This command is used in order to read the setting of the Schedule 1 The controller requests the monitor to read Schedule Check code SSAC RES ESE AS R a Header SOH Olh Start Of Header O 30h Reserved A 41h Monitor ID If the command should be sent to certain monitor only the either of character A
41. is portion should depend on the monitor ID of Monitor A 41h 2 5Ah B 42h Message type is Command reply N N Message length Note The maximum data length that can be written to the monitor at atime is 32bytes Ex The byte data 20h is encoded as ASCII characters 2 and 0 32h and 30h Message STX 02h Start of Message PCtetSt F1 t 4ih 33h 31h 1 51 Serial No reply command Data 0 Data 1 Data n Serial Number 4 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 ODh End of packet 39 58 Changes fer the Better 12 2 Model Name Read This command is used in order to read the Model Name 1 The controller requests the monitor to read Model Name check code SU CY a A Header SOH Olh Start Of Header O 30h Reserved A 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion O 30h Message sender is the controller A 41h Message type is Command O 6 30h 36h Message length Message STX 02h Start of Message 2 1 7 43h 32h 31h 37h Model Name command ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code
42. m the monitor is encoded to ASCII characters Ex OP code 1Ah gt OP code Hi ASCII 1 31h OP code Lo ASCII A 41h Refer to Operation code table 16 58 oe SEE Changes fer the Better g _g bytes Type Operation type code ASCII O Q 30h 30h Set parameter ASCII 0 1 30h 31h Momentary Like Auto Setup function that automatically changes the parameter 10 13 bytes Max value Maximum value that monitor can accept 16bits Reply data from the monitor is encoded to ASCII characters Ex 0 1 2 3 means 0123h 291 14 17 bytes Requested setting Value Echoes back the parameter for confirmation 16bits Reply data from the monitor is encoded to ASCII characters Ex OP TD 2 3s means 0123h 291 18 byte ETX End of Message ASCII ETX 03h 5 5 Commands Command message format depends on each command Some commands are shown with usage Refer to section 7 to 10 5 5 1 Save Current Settings The controller requests for the monitor to store the adjusted value gt Send 0C 30h 43h as Save current settings command gt Complete Save Current setting command packet as follows The destination A monitor ID of 1 is only an example It should be changed according to the target monitor ID ASCII Oln 30h 41n 30n 41lh 30h 34h 02hn 30h 43h 03h CAK 0Dh SOH 0 A 0 A 0 4 STX 0 C ETX CHK CR The monitor replies the packet for confirmation as follows R
43. monitors are controlled by Host PC as slave Secondary 13 1 Auto Brightness Parameter Read Read parameters about AUTO BRIGHTNESS from A monitor to Host PC 1 Read Request from PC to Monitor check code SE Ta EAN a a Header SOH Olh Start Of Header O 30h Reserved A 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to Z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion O 30h Message sender is the controller A 41h Message type is Command O 6 30h 36h Message length Message STX 02h Start of Message IOT 2 2 T 43h 32h 32h 31h Auto Brightness Parameter Read 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 ODh End of packet 2 Reply from Monitor to PC The monitor replies the packet for confirmation as follows Header check code A STX sig r te Ree RES I AA A ae ee SOH Olh Start Of Header O 30h Reserved O 30h Message receiver is the controller A 41h Monitor ID B 42h Message type is Command reply O A 30h 41h Message length Message STX 02h Start of Message C 3 2 1 41h 33h 32h 31h Auto Brightness Parameter Read reply Command RES Result code 0 30h 0 30h Normal 0 30h 1 31h Abnormal VAL
44. ode page number is 02h 7 8 37h 38h Operation code is 78h in the page 2 O O 30h 30h This operation is Set parameter type O O O0 2 30h 30h 30h 32h Number of temperature sensors 2 0002h O 07 0 1 30h 30h 30h 31h temperature sensor is Fl 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 ODh End of packet Step 3 The controller requests the monitor to send the temperature from the selected sensor Check code ol a a a Header SOH Olh Start of Header O 30h Reserved 22758 oe SE Changes fer the Beater A 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to Z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion O 30h Message sender is the controller C 43h Message Type is Get parameter T O 6 30h 36h Message length is 6 bytes Message STX 02h Start of Message O 2 30h 32h Operation code page number is OQ2h ri 9 37h 39h Operation code is 79h in the page 2 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 ODh End of packet Step 4 The monitor replies a temperature of selected sensor DS a Oa et at TOTA ae gt 10 ee yt ee tep ee he
45. oe Se Changes fer the Besser RS232 485 LAN Serial Communication Control for MDT551S 1 Application This document defines the communication protocols for serial control of the MDT551S 1 draft Release Mar 18 2011 H Tanizoe based on the 2nddraft B of LDT551V communication protocol spec 2 release Aug 19 2011 H Tanizoe Add Force Power off OPS command for OPS PC control 3 release Oct 13 2011 Y Ashizaki P6 Rename Force power off OPS Force power off with OPS P7 Change interval after power commands to 7 3 14sec Oct 14 2011 H Tanizoe Y Ashizaki Release for customer 4 release Nov 15 2011 H Tanizoe Add comment for control function via OPS PC 5 release 1 58 oe SE Changes fer the Besser 2 Connectors and wiring A RS 232C connection Connector D Sub 9 pin Cable Cross reversed cable or null modem cable to RS 232C from RS 232C to RS 232C from RS 232C IN terminal OUT terminal IN terminal OUT terminal opm gp aT oe UR HT an t L B CAT5 OPTION RS 485 connection Connector USB or D SUB 9pin When you don t use USB for communication between PC and CATS Tx BOX you use D SUB 9pin In order to use the USB you need USB driver with your PC installed Please check User s manual for details Cable D SUB 9pin Three wired TXD RXD GND Cross reversed cable for Auto conversion mode only Full wired Cross cable for both of conversion mode See bellow
46. ping mode on teletype application C lt 30sec Hand typing mode with longer time out Infinity waiting isn t supported because of processing freeze 5 58 oe Nae Changes fer the Berjer 4 Communication Format 4 1 Basic command This command set supports only the basic control of monitor and does NOT support multi monitor control by daisy chained connection This command set will be written in the user s manual of MDT551S 1 Control command diagram The command is structured by the address code function code data code and end code The length of the command is different for each function Address code ASCII Address code 30h 30h In ASCII code 0 0 fixed Function code A code of each fixed control move Data code A code of each fixed control data number and not always indicated End code ODh In ASCII code 1 fixed 2 Control sequence 1 The command from a computer to the LCD monitor will be sent in 600ms 2 The LCD monitor will send a return command 600ms after it has received and encoded If the command isn t received correctly the LCD monitor will not send the return command 3 The personal computer checks the command and confirms if the command which has been sent has been executed or not 4 This LCD monitor sends various codes other than return code When having a control sequence by RS 232C reject other codes from personal computers side The sending time of retu
47. r of character A 41h to Z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion O 30h Message sender is the controller A 41h Message type is Command O 4 30h 34h Message length Message STX 02h Start of Message Bt 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 ODh End of packet 2 The monitor replies a result of the self diagnosis Check code 0 0 A B N N STXS TATS Ts ST 0 ST 1 Header SOH Olh Start Of Header 0 30h Reserved O 30h Message receiver is the controller A 41h Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2 5Ah B 42h Message type is Command reply N N Message length Note The maximum data length that can be written to the monitor at atime is 32bytes 37 58 oe aE Changes fer the Better Ex The byte data 20h is encoded as ASCII characters 2 and 0 34h and 30h Message STX 02h Start of Message Ahe hL 41h 31h Application Test Report reply command ST Result of selt tests UU Normal 70 Analog 3 3V abnormality 71 Analog 12V abnormality 72 Analog 5V abnormality 73 Audio amplifier 12V abnormality 78 Panel 12V abnormality 80 Cooling fan 1 abnormality 81 Cooling fan 2 abnormality 3 The byte data 7
48. ration code table Message format of the Get current parameter is as follows on Eeee E T pr mi o m to 1 Refer to section 5 1 Get current parameter from a monitor for more details 2 Get Parameter reply The monitor will reply with the status of the requested item specified by the controller in the Get parameter message Message format of the Get parameter reply is as follows e OP code page Current Value Tai to m to wel 1 mse tse T Refer to section 5 2 Get parameter reply for more details 3 Set parameter The controller sends this message to change a setting of the monitor Message format of the Set parameter is as follows on ee eee T mi to m to MB 158 3 Refer to section 5 3 Set parameter for more details 4 Set Parameter reply The monitor replies with this message for a confirmation of the Set parameter message Message format of the Set parameter reply is as follows Requested setting 4 Refer to section 5 4 Set parameter S for more details 5 Command Command message format depends on each command Usually this command message is used for some non slider controls and some special operations such as Save current settings Get timing report power control Schedule etc Refer to section 5 5 Commands message for more details 11 58 oe aE
49. read reply command Data 0O 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 ODh 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 Check code SOH O TA T O T A STX C OQ O EH I Q QT Data 0 Data 1 Data N Header SOH Olh Start Of Header O 30h Reserved A 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to Z which is corresponding to monitor ID from Nol to No 26 should be set to this portion a broad cast command only set command is available then the 5Ah If it is TXT 2Ah should be applied O 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 atime 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 O O E 43h 30h 30 45h Asset Data writes command O O Offset address from top of Asset data 00h Write data from top of the Asset data area Data Dat aN Asset data The data must be ASCII characters strings ETX 03h End of Message Check code BCC Block Check Code Refer to the s
50. receiver is the controller A 41h Monitor ID B 42h Message type is Command reply 1 4 31h 34h Message length Message STX 02h Start of Message C 3 2 4 41h 33h 32h 34h Auto Brightness Sensor Write reply Command RES Result code 0 30h 0 30h Normal 0 30n 1 31h sAbnormal 47 58 FVAL_HH FVAL_HL FVAL_LH FVAL_LL BVAL_HH Back Sensor Detected Data High Low byte BVAL_LH BVAL_LL BVAL_HL Front Sensor Detected Data High High byte Front Sensor Detected Data High Low byte Front Sensor Detected Data Low High byte Front Sensor Detected Data Low Low byte Back Sensor Detected Data High High byte Back Sensor Detected Data Low High byte Back Sensor Detected Data Low Low byte APL_HH APL data High High byte APL_HL APL data High Low byte APL_LH APL data LowHigh byte APL_LL APL data Low Low byte ETX 03h End of Message Check code BCC Block Check Code Refer Delimiter CR ODh to the section 4 5 Check code for a BCC calculation End of packet 48 58 LH Changes fer the Berjer Changes fer the Better 14 Control Commands for Automatic ID Assignment function You can set sequential Monitor ID automatically for daisy chained monitors This function is executed by following 2 steps NOTE This function is only applicable for RS 232C based daisy chained connection but not applicable CAT5 RS485 based daisy chained connection
51. rn command may delay depending on the condition during changing of the input signal etc Example Turn the power ON is for ASCII code sending commands Status code from Geanin from the PC LCD monitor g 40 30 21 0D command for OO ET POWER ON 30 30 21 OD Command received U U TTL Command echoed back Note The replied status is for communication confirmation When you want to know the display condition please use the Read command See page 7 6 58 Changes fer the Berjer 3 Operation commands The operation commands execute the basic operation setting of this LCD monitor It may not operate when changing the signal Operation ASCII HEX POWER ON 21h POWER OFF FORCE POWER OFF _ INPUT HDMI 9Fh 72h 3th INPUT DVI D 9Fh 72h 32h INPUT D SUB 9Fh 72h 33h INPUT BNC 5Fh 72h 34h INPUT INPUT DisplayPort 5Fh 72h 36h INPUT VIDEO vl DE 76h 31h INPUT DVD HD 5Fh 76h 32h INPUT S VIDEO 5Fh 76h 33h e A command should be sent over 14 sec after POWER OFF or POWER ON command was sent e A command should be sent over 5 sec after any INPUT command was sent S VIDEO is SEPARATE only POWER ON POWER OFF FORCE POWER OFF WITH OPS commands are discarded if the commands are applied from OPS PC module 4 Read command Host computer sends the command without Data code to monitor After receiving this command the monitor returns the command with Data code of current status to host computer lt
52. roller A 41h Message type is Command 1 4 31h 34h Message length Message STX 02h Start of Message C 2 1 2 43h 32h 31h 32h Date amp Time write command YY MM DD WW HH MN DS Date amp Time data YY Year offset 2000 0 0 30h 30h 2000 6 3 36h 33h 2099 99 63h MM Month 0 1 30h 31h January PO C 30h 43h December DD Day aA ony Saye 1 1 E 31h 45h 30 1Eh WW weekdays This parameter if no use since the week is automatically calculated by Monitor based on the date data HH Hours 0 0 30h 30h U 1 7 31h 37h 23 17h MN Minutes 0 0 30h 30h U 3 B 33h 42h 59 3Bh DS Daylight saving Summer time POTS O 30h 30h Z NO 0 11 30h 30h YES 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 ODh End of packet 2 The monitor replies a data for confirmation If command is sent as Broadcast then no reply Should be sent back Check code SSS AES FOS R 30 58 Header SOH Olh OP 30h HOY 30h A 41h B 42h LH Changes fer the Bester Start Of Header Reserved Message receiver is the controller Monitor ID This portion should depend on the monitor ID of Monitor A 41h Z 5Ah Message type is Command reply 1 6 31h 36
53. rt as a TCP IP client Please refer general technical documents commercially available of network control Preparation of system setup 1 Connect with the PC the displays and LAN HUB with LAN cable See page 2 2 The Main Power Switch AC of the display is ON So the modes of the display are DC Un DC Git or 5tandpy 3 The PC is on 4 Set the OSD menu LAN SETTING DHCP CLIENT Select whether to use DHCP client or not Select OFF when not using it and select ON when using it IP ADDRESS Set the IP address of the monitor Default address is 192 168 0 10 It depends on model SUBNET MASK Set the gateway mask Set It fo ZO A Tor normal ves DEFAULT GATEWAY Set the IP address of the gateway router to externally connect the local area including the monitor Default address is 192 168 0 1 It depends on each model 5 Read the OSD menu LAN SETTING for control program PORT Read the port number Default number is 63007 It depends on model Communication protocol order 1 Open socket port 63007 of the display IP address on the PC as a TCP IP client On Windows PC the port is Winsock On Linux PC the port is socket 2 Send RS 232C command code on TCP IP protocol from the PC Sending Read command at first is recommended for confirming communication condition and display condition 3 Receive RS 232C command code on TCP IP protocol from the display Note This
54. sent to certain monitor only the either of character A 41h to Z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion O 30h Message sender is the controller A 41h Message type is Command O A 30h 41h Message length is 10 bytes Message STX 02h Start of Message C O O B 43h 30h 30 42h Asset read request command O O 30h 30h Offset data from top of the Asset data At first set 00h Read data from the top of Asset data area 2 0 32h 30h Read out data length is 32bytes Maximum readout length is 32bytes at a time 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 ODh End of packet 2 The monitor replies Asset data to the controller Check code SOH 0 0 A B N N STX C 1 0 B Data 0 Data 1 Data N Header SOH Olh Start of Header O 30h Reserved O 30h Message receiver is the controller A 41h Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2 5Ah 26 58 oe Se Changes fer the Better 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 is includes STX and ETX Message STX 02h Start of Message C 1 0 B 43h 31h 30 42h Asset
55. sting of parameter O 30h Message sender is the controller A 41h Message type is Command 1 2 31h 32h Message length Message STX 02h Start of Message Er 2 2 4 43h 32h 32h 34h Auto Brightness Sensor Write command FVAL_HH Front Sensor Detected Data High High byte FVAL_HL Front Sensor Detected Data High Low byte FVAL_LH Front Sensor Detected Data Low High byte FVAL_LL Front Sensor Detected Data Low Low byte BVAL_HH Back Sensor Detected Data High High byte BVAL_HL Back Sensor Detected Data High Low byte BVAL_LH Back Sensor Detected Data Low High byte BVAL_LL Back Sensor Detected Data Low Low byte APL_HH APL data High High byte APL_HL APL data High Low byte APL_LH APL data LowHigh byte APL LL APL data Low Low byte 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 ODh End of packet 2 Reply from Monitor to Host Basically No need reply because it is broadcasting request only for reference if the write command is done with certain destination ID Note If AutoBrightness is not Remote then return Null Message Check code DAH ep I Cla 4 Reo RES FVAL 215 FVAL_ HL FVAL LH FVAL_ LL BVAL_HH BVAL_HL BVAL_LH BVAL_LL APL_HH APL_HL APL_LH APL_LL ETX Header SOH Olh Start Of Header 0 30h Reserved O 30h Message
56. t 30h sony Z VIDEO LD Tec 6 30n 30h VIDEO S O 7 30h 37h It is operates by last memory input YU TRT 30h 38h RGBS OPTION CAT5 Digital LU X h MT 30h 39h RGB6 DisplayPort WD Week setting bit 0 Monday bit 1 Tuesday bit 2 Wednesday bit 32 Thursday bit 49 Friday bit 5 Saturday Dit 62 Sunday EX FUT LT LDR 31h Monday LOL T 30h 34h Wednesday O F 30h 46h Monday Tuesday Wednesday and Thursday Khas 37h 46h Monday to Sunday Pig Option bit 0 Everyday bit 1 Every week bit 2 Schedule Disable Enable When bitO and bitl are 1 it behaves as Everyday EX BT TET 30h 30h Unst Inny 51 c Z 0 moO 32h Schedule Disable O o0 Schedule Disable Schedule Disable 36 38 oe aE Changes fer the Besser ri Schedule Disable Once Follow WD Week setting a a o Everyweek Follow WD Week setting peo Everyday 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 ODh End of packet 11 Self diagnosis 11 1 Self diagnosis status read This command is used in order to read the Self diagnosis status 1 The controller requests the monitor to read Self diagnosis status check code LD A R E Header SOH Olh Start of Header O 30h Reserved A 41h Monitor ID If the command should be sent to certain monitor only the eithe
57. t from PC to Monitor 0 A STX Cra tet get Header SOH Olh Start Of Header O 30h Reserved A 41h Monitor ID A 41h If the command should be sent to certain monitor only the either of character to ZP 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion O 30h Message sender is the controller A 41h Message type is Command O 6 30h 36h Message length Message STX 02h Start of Message Ch 2 2 3 43h 32h 32h 33h Auto Brightness Sensor Read 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 ODh End of packet 2 Reply from Monitor to PC The monitor replies sensed data of light sensor as follows Note If AutoBrightness Off then retun Null Message Header Message Delimiter STX G r tye ats RES RES BCC CR FVAL_HH FVAL_HL FVAL_LH FVAL_LL BVAL_HH BVAL_HL BVAL_LH BVAL_LL APL_HH APL_HL APL_LH APL_LL ETX Header SOH Olh Start Of Header 0 30h Reserved O 30h Message receiver is the controller AY 41h Monitor ID B 42h Message type is Command reply 1 4 31h 34h Message length Message STX 02h Start of Message Clea 3 2 3 41h 33h 32h 33n Auto Brightness Sensor Read Reply Command RES Result code 0 30h 0 30h Normal 0 30h 1 31h
58. tatus as the following format Command srg Command aay Shee ae ae fe ee gt SS Timing status byte Bit 7 1 Sync Frequency is out of range Bit 6 1 Unstable count Bit 5 2 Reserved Don t care Bit 1 1 Positive Horizontal sync polarity O Negative Horizontal sync polarity Bit 0 1 Positive Vertical sync polarity 0 Negative Vertical sync polarity H Freg Horizontal Frequency in unit 0 01kHz V Freq Vertical Frequency in unit 0 01Hz EX When E Freq as 12AN 3ih 32h 41h 391 10 means 47 77kHz 5 5 3 NULL Message The NULL message returned from the monitor is used in the following cases L A timeout error has occurred The default timeout is 10sec The monitor receives an unsupported message type The monitor detects a packet BCC Block Check Code error 18 58 oe aE Changes fer the Beater e To tell the controller that the monitor does not have any answer to give to the host not ready or not expected Complete NULL Message command packet as follows The destination A monitor ID of 1 is only an example It should be changed according to the target monitor ID Olh 30h 30h 41h 41h 30n 34h 02h 42h 45h 03h CHK 0Dh SOH O t 9 et Ayal Ate Oa 4ST X bh XCAR CR 6 Typical procedure example The following is a sample of procedures to control the monitor these are examples of Get parameter Set parameter and Save current settings 6 1 How to change the
59. ver is the controller SRC Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2Z 5Ah B 42h Message type is Command reply O 6 30h 36h Message length is 6 bytes Message STX 02h Start of Message RES Result code 0 30h 0 30h Normal 0 30h 1 31h Abnormal O E 30h 45h Force Change Mode reply 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 ODh End of packet 49 58 oe aE Changes fer the Beater 14 2 Automatic ID Assignment This command executes the Automatic ID assignment operation by Monitor itself Only start ID should be suggested by Host to 1 connected Monitor and daisy chained monitor can assign own Monitor ID one by one sequentially NOTE This function is only applicable for RS 232C based daisy chained connection but not applicable CAT5 RS485 based daisy chained connection If you send this command to Monitor with RS485 connection communication control problem will be occurred 1 Write Parameters from PC to Monitors check code HE L Chat 292 0 VAL VvAG ETX Header SOH Olh Start Of Header O 30h Reserved 2Ah Monitor ID Use as ALL for Broadcasting of parameter O 30h Message sender is the controller A 41h Message type is Command O 8 30h 38h Message length is 8 bytes
60. x via USB driver Stop bit 1 bit a TXD RXD RTS RTS is on C See eS mode only Note Set the parameters on to USB driver properties RTS is negative polarity 2 RS 232C connection between PC and CATS Tx BOX Control switch is Legacy mode or Auto conversion mode RS 232C Asynchronous Half duplex Baud rate 9600bps TXD RXD DTR DTR is on Legacy mode only Note DTR is negative polarity C LAN connection 1 LAN connection between PC and Display Changeable default 192 168 0 1 depends on model Note Communication speed depends on the baud rate 9600bps with internal conversion from LAN to RS 232C D UART connection by OPS PC 1 UART direct connection between OPS PC and Display via OPS slot UART Asynchronous Full duplex 4 58 Changes fer the Beater 3 1 Communication timing The controller should wait for a packet interval before next command is sent The packet interval needs to be longer than 600msec for the MDT551S Important Information HOST system shall send next command after receiving a reply command from Monitor if it is sequential commands communication If Host do not wait for monitor s reply communication error may happen Communication disabled period after power on After Monitor Power on either by AC switch Remote Controller or Serial communication command Monitor goes initialize mode of controller and can not handle the remote control comm
61. y 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 gt OP code page Hi ASCII TU 30h OP code page Lo ASCII 2 32h Refer to Operation code table Appendix A 4 _5 bytes 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 gt OP code Hi ASCII 3 33h OP code Lo ASCII A 41h Refer to Operation code table 6 byte ETX End of Message ASCII ETX 03h 5 2 Get parameter reply OP code page Re ee eee pa Pa To on MDT551S replies with a current value and the status of the requested item operation code 1 byte STX Start of Message ASCII STX 02h 29 3 bytes Result code These bytes indicate a result of the requested commands as follows 14 58 oe SEE Changes fer the Bester 00h No Error Olh Unsupported operation with this monitor or unsupported operation under current condition This result code from the monitor is encoded to ASCII characters Ex The byte data 01h is encoded to ASCII character 0 and 1 30h and 31h 4 _5 hvtes OP code page Operation code pag
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