Orion ODC-10000, User Manual

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ORION PDP
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Infinitely Expandable
Introduction 1.
ThischaptercontainsthecommunicationprotocolbetweenLCDanditscontroldevicessuchascomputerforbetter
useoftheproduct.However,itdoesnotincludedetailedtechnicalmatters.Itratherfocusesonthebrieffunctional
explanationandcommunicationprotocol.
ID:1
Master Slave Master Slave Master Slave Master Slave
Master Slave Master Slave Master Slave Master Slave
Master Slave Master Slave
Master Slave Master Slave
Controller
(Computer)
Tx/Rx Line ID:2 ID:N-1 ID:N
ID:N+1 ID:N+N
ID:(M-2)N+1 ID:(M-2)N+N
ID:(M-1)N ID:(M-1)N+2 ID:(M-1)N+N-1 ID:MXN
※Theconnectioncanbevariablebasedonenvironmentortheusers’intention.
<Communicationconnectiondiagram>
Communication Setting 1.1.
Transmission & Reception type: Asynchronous Serial Communication -
Connection type: Daisy Chain -
Baudrate : 115200 -
Data Bits : 8 -
Parity : None -
Stop Bits : 1 -
Flow Control : None -
Protocol Format 2.
Send To LCD 2.1.
STX Command Length Data ETX
1 byte 1 byte 1 byte Variable 1 byte
ID Master Other Data
1 byte 1 byte N byte
ThisishowtosendcommandstoLCD.OnlythesetofthedesignatedIDisworkingaccordingtothe"Command." -
But,ifthe"ID"valueis"0",allMLCDsetsareworkingaccordingtocommandas"Broadcast".
STX(0x02):Theinitialcode.ItmeansthebeginningofProtocol.(Fixedvalue)
-
Command:Codeforactualoperation.(Variable) -
Length:thelengthof"Data"area.(Variable:0~255) -
Data:theareasfor"ID"andtheotherData(Variable) -
ID:ItisacodetodistinguishLCDsets.Itsrangeis"0"to"255".IftheIDis"0,"itmeansBroadcastcommand.(variable) -
MSCS Protocol 7.
Master(0x01):Thisisthescalercode. -
ETX(0x03):Theendofthecode.(Fixedvalue) -
receive From LCD 2.2.
STX CMD Length Data Check Sum ETX
1 byte 1 byte 1 byte Variable 1 byte 1 byte
ID Master Other Data
1 byte 1 byte N byte
ResponsebyacertaincommandfromthedesignatedsetamongMLCDsets.Thedifferencefrom"SendtoLCD"is"Checksum". -
STX(0x02):Theinitialcode.ItmeansthebeginningofProtocol.(Fixedvalue) -
Command:Codeforactualoperation.(Variable) -
Length:thelengthof"Data"area.(Variable:0~255) -
Data:theareasfor"ID"andtheotherData(Variable) -
ID:Setidentification(0~255)(Variable) -
Master(0x01):Thisisthescalercode. -
Checksum:execute"Not"operationafteraddingallthevaluesin"STX~Data"area. -
ETX(0x03):Theendofthecode.(Fixedvalue)) -
Communication Sequence -
*Waitfor50msecforresponseaftersendingthecommand.Ifthereisnoresponse,itisrecommendedtoresendthecommand.
*Itisrecommendedthatnotsendingtheothercommandorchanginginputresolutionduringcommandtransmission.
Command transmission
→
←
Responsetransmission
Command 3.
Power On 3.1.
Command for Power On: Operative status -
It is available only during Power Off(Stand-by) status. -
Send to MLCD
-
Normalcommand A.
STX CMD Length
Data
ETX
ID Master
Value 0x02 0x40 0x02 Variable 0x01 0x03
*IDrange(Program):0x01(1)~0xFF(255)
Broadcastcommand B.
STX CMD Length Data: ID ETX
Value 0x02 0x40 0x01 0x00 0x03
*MakeallLCDdothesameoperation.But,therewillbenoreturncommunication.(Onewaycommand)
Receive from MLCD -
STX CMD Length
Data
Check Sum ETX
ID Master
Value 0x02 0x40 0x02 Variable 0x01 Variable 0x03
*IDrange(Program):0x01(1)~0xFF(255)
*Checksum:execute"Not"operationafteraddingallthevaluesin"STX~Data"area.
MLCD