Matrix-orbital LK404-25 Manual do Utilizador

LK404-25 Technical Manual Revision 2.0 PCB Revision: 2.0 or Higher Firmware Revision: 5.0 or Higher

6 This command allows raw bytes to be sent to the display, permitting many different formats for entry and displaying in decimal notation. Any co

7 4 Hardware 4.1 Standard Model Communication/Power Header Figure 6: Communication/Power Header Table 4: Communication/Power Pinout Pin Function

8 Power Through DB9 Jumper In order to provide power through pin 9 of the DB-9 Connector you must connect the Power Through DB-9 Jumper labelled D

9 4.2 Common Features General Purpose Outputs Figure 9: GPO Header Table 6: GPO Pinout Pin Function Pin Function 1 GPO 1 8 Gnd 2 GPO 2 9 Gnd 3 GP

10 Keypad Header Figure 11: Keypad Header Table 8: Keypad Pinout Pin Function Pin Function 1 Gnd 7 Column 1 2 Row 1 8 Column 2 3 Row 2 9 Column 3

11 5 Troubleshooting 5.1 Power In order for your LK404-25 to function correctly, it must be supplied with the appropriate power. If the power LED

12 5.3 Communication When communication of either text or commands is interrupted, try the steps below. • First, check the communication cable f

13 6 Commands 6.1 Communication 1.1 Change Baud Rate Dec Hex ASCII 254 57 FE 39 9 Speed Speed Speed v5.0 Immediately changes the baud rate. Not

14 6.2 Text 2.1 Clear Screen Dec Hex ASCII 254 88 FE 58 X v5.0 Clears the contents of the screen. 2.2 Change the Start Up Screen Dec Hex AS

15 2.8 Go Home Dec Hex ASCII 254 72 FE 48 H v5.0 Returns the cursor to the top left of the screen. 2.9 Move Cursor Back Dec Hex ASCII 254 76

Revision History Revision Date Description Author 2.0 June 12, 2012 Initial Release Clark

16 6.3 Special Characters 3.1 Create a Custom Character Dec Hex ASCII 254 78 FE 4E N ID Data ID Data ID Data v5.0 Creates a custom character.

17 3.4 Save Start Up Screen Custom Characters Dec Hex ASCII 254 194 FE C2 ┬ ID Data ID Data ID Data v5.0 Saves a custom character to memory for

18 3.10 Place Horizontal Bar Graph Dec Hex ASCII 254 124 FE 7C | Column Row Direction Length Column Row Direction Length Column Row Direction Le

19 6.4 General Purpose Output 4.1 General Purpose Output On Dec Hex ASCII 254 87 FE 57 W Number Number Number v5.0 Turns the specified GPO on, s

20 5.2 Dallas One-Wire Transaction Dec Hex ASCII 254 200 1 FE C8 01 ╚ STX Flags Send Bits Receive Bits Data Flags Send Bits Receive Bits

21 6.4 Clear Key Buffer Dec Hex ASCII 254 69 FE 45 E v5.0 Clears all key presses from the key buffer. 6.5 Set Debounce Time Dec Hex ASCII 2

22 6.7 Display Functions 7.1 Backlight On Dec Hex ASCII 254 66 FE 42 B Minutes Minutes Minutes v5.0 Turns the display backlight on for a specif

23 6.8 Data Security 8.1 Set Remember Dec Hex ASCII 254 147 FE 93 ô Switch Switch Switch v5.0 Allows changes to specific settings to be saved t

24 6.9 Miscellaneous 9.1 Write Customer Data Dec Hex ASCII 254 52 FE 34 4 Data Data Data v5.0 Saves a user defined block of data to non-volatil

25 7 Appendix 7.1 Command Summary Available commands below include identifying number, required parameters, the returned response and an indicatio

Contents 1 Introduction ...

26 Table 23: Special Character Command Summary Name Dec Hex ASCII Parameters Response Remembered Create a Custom Character 78 4E N Byte[9] None Re

27 Table 27: Display Functions Command Summary Name Dec Hex ASCII Parameters Response Remembered Backlight On 66 42 B Byte None Remember On Backl

28 7.2 Character Sets Figure 12: LCD Model European Character Set

29 7.3 Block Diagram Figure 13: Functional Diagram 7.4 Environmental Specifications Table 30: Environmental Limits Standard Extended (-E) Operat

30 7.6 Dimensional Drawings Figure 14: Display Dimensional Drawing Figure 15: Standard Model Dimensional Drawing

31 7.7 Optical Characteristics Table 34: Display Optics Module Size 190.00 x 54.00 x 27.0 mm Viewing Area 148.0 x 42.9 mm Active Area 140.45 x 30.

32 8.3 Accessories Power Table 37: Power Accessories PCS Standard Power Cable Communication Table 38: Communication Accessories CSS1FT 1 ft. S

33 9 Definitions ASCII: American standard code for information interchange used to give standardized numeric codes to alphanumeric characters. BP

6.5 Dallas One-Wire ...

1 1 Introduction Figure 1: LK404-25 Display The LK404-25 is an intelligent alphanumeric liquid crystal display designed to decrease development

2 2 Quick Connect Guide 2.1 Available Headers Figure 2: LK404-25 Standard Module Header Locations Table 1: List of Available Headers # Header M

3 2.2 Standard Module The standard version of the LK404-25 allows for user configuration of three common communication protocols. First, the unit

4 2. Make the connections. a. Connect the four pin female header of the Communication/Power Cable to the Communication/Power Header of your LK4

5 3 Software The multiple communication protocols available and simple command structure of the LK404-25 means that a variety of applications can