Matrix-orbital VK204-25 Legacy Bedienungsanleitung

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VK204-25
Technical Manual
Revision: 2.2
Seitenansicht 0
1 2 3 4 5 6 ... 60 61

Inhaltsverzeichnis

Seite 1 - Revision: 2.2

VK204-25Technical ManualRevision: 2.2

Seite 2 - Contents

1.3 Features• 20 column by 4 line alphanumeric vacuum fluorescent display• Selectable communication protocol, RS-232 or I2C• Optional One-wire interfac

Seite 3

WARNING DO NOT use the standard floppy drive power connector,as this will not provide you with the correct voltage and will damage thedisplay module.Fi

Seite 4

Comport The serial port the displayis plugged in to.Baudrate The communication speedthe display module is setto. (Default 19,200)Figure 12: uProject S

Seite 5 - 1 Getting Started

1 DB-9 Connector 5 Power / Data Connector2 Power Through DB9 Jumper 6 Keypad Interface3 GPOs 7 Protocol Select Jumpers4 Manual Override 8 Optional Dal

Seite 6 - 1.2 Accessories

2.1.1 Power Through DB-9 JumperIn order to provide power through pin 9 of the DB-9 Connector you must place a solder jumper on thePower through DB-9 J

Seite 7 - Matrix Orbital VK204-25 3

Pin 1 PWR (See table 1)Pin2 Rx \ SCL (I2C clock)Pin3 Tx \ SDA (I2C data)Pin 4 GNDFigure 16: Power Connector and Pin outTable 1: Power RequirementsStan

Seite 8 - Matrix Orbital VK204-25 4

Figure 17: Protocol Select Jumpers2.4 General Purpose OutputsA unique feature of the VK204-25 is the ability to control relays and other external devi

Seite 9 - Matrix Orbital VK204-25 5

WARNING If connecting a relay, be sure that it is fully clamped usinga diode and capacitor in order to absorb any electro-motive force (EMF)which will

Seite 10 - 1.4 Connecting to a PC

1. Power off the display module.2. Place a Jumper on the Manual Override pins.3. Power up the display module.4. The display module is now set to its d

Seite 11 - 1.5 Installing the Software

2.7 Keypad Interface ConnectorThe VK204-25 provides a Keypad Interface Connector which allows for up to a five by five matrix stylekeypad to be directly

Seite 12 - 2 Hardware Information

ContentsContents ii1 Getting Started 11.1 Display Options Available . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11.2 Accesso

Seite 13 - 2.1 DB-9 Connector

ohm meter, try using a different power cable, if this does not help try using a different power supply.• The last step will be to check the Power / Da

Seite 14 - 2.2 Power/Data Connector

to inform the module that its responses are to be output via I2C. This can be done by sending command254 /160 / 0 to turn off auto transmission of dat

Seite 15 - 2.3 Protocol Select Jumpers

Table 3: I2C Transaction AlgorithmSTART Toggle SDA high to lowAddress 0x50Information 0x48 0x45 0x4C 0x4C 0x4FSTOP Toggle SDA low to high4.1.3 Serial

Seite 16 - 2.4 General Purpose Outputs

ParametersParameter Length Descriptionspeed 1 Hex value corresponding to a baudrate.Description This command sets the RS-232 port to the specified [spe

Seite 17 - 2.6 Manual Override

Remembered AlwaysExamplesCrystal Speed 16 MhzDesired BAUD 13,500speed =crystalspeed8∗ DesiredBaud− 1speed = 148.15− 1speed =16,000, 0008∗ 13,500− 1spe

Seite 18

5.1.1 Character SetFigure 22: Character Set5.1.2 Control CharactersIn addition to a full text set, the VK204-25 display supports the following ASCII C

Seite 19 - 3 Troubleshooting

SyntaxHexadecimal 0xFE 0x51Decimal 254 81ASCII 254 “Q”Description When auto scrolling is on, it causes the display to shift the entiredisplay’s conten

Seite 20 - 4 Communications

5.6 Set Auto Line Wrap OnSyntaxHexadecimal 0xFE 0x43Decimal 254 67ASCII 254 “C”Description Enabling Auto Line Wrap will allow the cursor to automatica

Seite 21 - C Transaction Example

Description This command will allow you to manually set the cursor position, whichcontrols the text insertion point, by specifying the [col] and [row]

Seite 22 - 4.3 Changing the Baud Rate

Description This command will move the cursor forward one space. If thiscommand is sent when the cursor is at the bottom right position thecursor will

Seite 23 - 8×DesiredBaud

5.8 Set Cursor Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235.9 Go Home . . . . . . . . . . . . . . . . .

Seite 24

SyntaxHexadecimal 0xFE 0x4E [refID] [data]Decimal 254 78 [refID] [data]ASCII 254 “N” [refID] [data]ParametersParameter Length DescriptionrefID 1 Chara

Seite 25 - 5.2 Auto Scroll On

Description New to the VK204-25 has added five non-volatile memory banks forcustom character storage. This is intended to allow you to create yourown c

Seite 26 - 5.4 Clear Screen

Description Using this command you may create the custom characters. that will bestored in memory bank zero, which will be used in the startup screen.

Seite 27 - 5.8 Set Cursor Position

6.8 Initialize Large NumbersSyntaxHexadecimal 0xFE 0x6EDecimal 254 110ASCII 254 “n”Description This command will load the default large number charact

Seite 28 - 5.11 Move Cursor Forward

6.11 Place Horizontal Bar GraphSyntaxHexadecimal 0xFE 0x7C [Col] [Row] [Dir] [Length]Decimal 254 124 [Col] [Row] [Dir] [Length]ASCII 254 “|” [Col] [Ro

Seite 29 - 6 Special Characters

SyntaxHexadecimal 0xFE 0x76Decimal 254 118ASCII 254 “v”Description This command will load the wide vertical bar characters into the volatilememory. If

Seite 30 - 6.3 Saving Custom Characters

7.2 General Purpose Output OffSyntaxHexadecimal 0xFE 0x56 [Num]Decimal 254 86 [Num]ASCII 254 “V” [Num]ParametersParameter Length DescriptionNum 1 GPO

Seite 31 - 6.4 Loading Custom Characters

Description This command will set the startup state for the GPO on the next powerup. A value of one will cause the GPO to be off on the next startupwh

Seite 32 - 6.7 Place Medium Numbers

Description This command will allow you to begin communicating with the deviceson the 1-wire bus by returning a packet containing device informationfo

Seite 33 - 6.9 Place Large Number

Description This command will perform a single transaction on the 1-wire bus inthis order:1. Bus Reset.2. Transmit data onto the bus.3. Receive data f

Seite 34

10 Display Functions 4010.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4010.2 Display On . . .

Seite 35 - 7 General Purpose Output

connector. The keypad is scanned whenever a key is pressed;there is no continuous key scan. This meansthat key presses are dealt with immediately with

Seite 36 - 7.4 Set Startup GPO state

Description In this mode, up to 10 key presses are buffered until the unit is polled bythe host system, via the poll keypad command 254 38. Issuing th

Seite 37 - 8 Dallas 1-Wire

Remembered No9.6 Set Debounce TimeSyntaxHexadecimal 0xFE 0x55 [time]Decimal 254 85 [time]ASCII 254 “U” [time]ParametersParameter Length Descriptiontim

Seite 38 - 8.3 Dallas 1-Wire Transaction

Description Two auto repeat modes are available and are set via the same command:• Resend Key Mode: 0x00• Key Up/Down Mode: 0x01Resend Key Mode This m

Seite 39 - 9 Keypad

ParametersParameter Length DescriptionKDown 25 Key down codesKUp 25 Key up codesDescription This command will allow you to reassign the key codes that

Seite 40 - 9.1.2 RS232 Interface

10.3 Display OffSyntaxHexadecimal 0xFE 0x46Decimal 254 70ASCII 254 “F”Description This command turns the backlight off immediately. The backlight will

Seite 41 - 9.5 Clear Key Buffer

Description This command sets and saves the display’s brightness to [brightness],where [brightness] is a value between 0x00and 0x03 (between 0 and 3)

Seite 42 - 9.7 Set Auto Repeat Mode

Description This command allows you to switch the remember function on and off.To use the remember function, set remember to on, then set all of these

Seite 43 - 9.9 Assign Keypad Codes

DescriptionParanoia allows you to lock the module from displaying information, aswell as enables the protection of the filesystem and module settings.E

Seite 44 - 10 Display Functions

ParametersParameter Length Descriptionlevel 1 Sets the data lock levelDescription This command will set and save the data lock level. See the Data Loc

Seite 45 - 10.4 Set VFD Brightness

1 Getting StartedFigure 1: VK204-25The VK204-25 is an intelligent VFD display designed to decrease development time by providing aninstant solution to

Seite 46 - 11 Data Security

SyntaxHexadecimal 0xFE 0x36Decimal 254 54ASCII 254 “6”Description This command will return a byte representing the version of the module,see the follo

Seite 47 - 11.3 Data Lock

Description This command will return a hex value corresponding to the the modelnumber of the module see the following table:Hex Product ID Hex Product

Seite 48 - 11.4 Set and Save Data Lock

13 Command Summary13.1 CommunicationsDescriptionSyntaxPageChanging the I2C SlaveAddressHexadecimal 0xFE 0x33 [adr]Decimal 254 51 [adr]ASCII 254 “3” [a

Seite 49 - 12 Miscellaneous

DescriptionSyntaxPageMove Cursor BackHexadecimal 0xFE 0x4CDecimal 254 76ASCII 254 “L”24Move Cursor ForwardHexadecimal 0xFE 0x4DDecimal 254 77ASCII 254

Seite 50 - 12.3 Read Module Type

DescriptionSyntaxPageInitialize Narrow VerticalBarHexadecimal 0xFE 0x73Decimal 254 115ASCII 254 “s”30Initialize Wide VerticalBarHexadecimal 0xFE 0x76D

Seite 51

DescriptionSyntaxPagePoll Key PressHexadecimal 0xFE 0x26Decimal 254 38ASCII 254 “&”37Clear Key BufferHexadecimal 0xFE 0x45Decimal 254 69ASCII 254

Seite 52 - 13 Command Summary

DescriptionSyntaxPageWrite Customer DataHexadecimal 0xFE 0x34 [data]Decimal 254 52 [data]ASCII 254 “4” [data]45Read Customer DataHexadecimal 0xFE 0x35

Seite 53 - 13.3 Special Characters

Command DescriptionPageHex Dec ASCII0x4F 79 “O” Auto Transmit Key Presses Off 360x51 81 “Q” Auto Scroll On 210x52 82 “R” Auto Scroll Off 220x53 83 “S”

Seite 54 - 13.6 Keypad

14 Appendix14.1 Specifications14.1.1 EnvironmentalTable 66: Environmental SpecificationsStandard Temperature Extended TemperatureOperating Temperature -

Seite 55 - 13.8 Data Security

14.2 Physical LayoutMatrix Orbital VK204-25 55

Seite 56 - 13.10 Command By Number

1.2 AccessoriesNOTE Matrix Orbital provides all the interface accessories needed to get your displayup and running. You will find these accessories and

Seite 57

14.3 Optical CharacteristicsTable 68: Optical CharacteristicsNumber of Characters 40 (20 characters by 2 lines)Matrix Format 5 x 7 with underlineDispl

Seite 58 - 14 Appendix

Revision 2.0 Initial RevisionRevision 2.1 Updated extended temperature rangeRevision 2.2 Updated communication summaryTable 69: Revision HistoryMatrix

Seite 59 - 14.2 Physical Layout

Figure 5: Breadboard CableFigure 6: Serial Cable 4FTMatrix Orbital VK204-25 3

Seite 60 - 14.6 Revision History

Figure 7: Communication and 5V Power CableFigure 8: Aluminum MountingsMatrix Orbital VK204-25 4

Seite 61 - Matrix Orbital VK204-25 57

Figure 9: Keypad MountingsFigure 10: 4X4 KeypadMatrix Orbital VK204-25 5

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