Matrix-orbital LK402-25 Manual do Utilizador

1 LK402-25 Including LK402-25-422 and LK402-25-USB Technical Manual Revision 1.3 PCB Revision: 3.0 or Higher Firmware Revision: 7.0 or Higher

10 USB Connections The USB connection is the quickest, easiest solution for PC development. After driver installation, the LK402-25-USB will be acce

11 RS422 Module Figure 7: RS422 Connections Table 3: Standard Headers # Header Mate 1 RS422 16-30 AWG Wire 2 Alternate Power PCS 3 Keypad KPP4x4 4

12 Software The multiple communication protocols available and simple command structure of the LK402-25 means that a variety of applications can be u

13 uProject The Matrix Orbital alphanumeric display tuner, or uProject, is offered as a free download from the www.matrixorbital.ca support site. It

14 Hardware Standard Model Communication/Power Header Figure 10: Communication/Power Header Table 6: Communication/Power Pinout Pin Function 1 Vcc 2

15 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 R54

16 USB Model Mini USB Connector Figure 12: Mini USB Connector Table 11: Mini USB Pinout Pin Function 1 Vcc 2 D- 3 D+ 5 Gnd The LK402-25-USB comes

17 RS422 Model RS422 Header Figure 15: RS422 Header Table 14: RS422 Pinout Pin Function 1 Gnd 2 Rx (Y) 3 Inv Rx (Z) 4 Inv Tx (B) 5 Tx (A) 6 Vcc T

18 Common Features General Purpose Outputs Figure 17: GPO Header Table 16: GPO Pinout Pin Function Pin Function 1 GPO 1 8 Gnd 2 GPO 1 9 Gnd 3 GPO 1

19 Keypad Header Figure 19: Keypad Header Table 18: Keypad Pinout Pin Function 1 Gnd 2 Row 1 3 Row 2 4 Row 3 5 Row 4 6 Row 5 7 Column 1 8 Column 2 9

2 Revision History Revision Description Author 1.3 Added Power Directions for the RS422 Model Clark 1.2 Added Command Summary Addition Clark 1.1 Gram

20 Troubleshooting Power In order for your Matrix Orbital display to function correctly, it must be supplied with the appropriate power. If the D2 p

21 Communication When communication of either text or commands is interrupted, try the steps below. • First, check the communication cable for cont

22 Commands 1. Communications 1.1. Changing the I2C Slave Address Dec Hex ASCII 254 51 FE 33 3 Address Address Address Immediately changes the I2C

23 2. Text 2.1. Auto Scroll On Dec Hex ASCII 254 81 FE 51 Q The entire contents of screen are shifted up one line when the end of the screen is r

24 2.7. Move Cursor Back Dec Hex ASCII 254 76 FE 4C L Moves cursor one position to the left. Cursor will obey wrap settings. 2.8. Move Cursor

25 3. Special Characters 3.1. Creating a Custom Character Dec Hex ASCII 254 78 FE 4E N ID Data ID Data ID Data Creates a custom character. Each c

26 3.4. Save Start Up Screen Custom Characters Dec Hex 254 194 FE C2 ID Data ID Data Saves a custom character to memory for the start up screen or re

27 3.7. Initialize Horizontal Bar Dec Hex ASCII 254 104 FE 68 h Loads the horizontal bar graph custom character bank into memory. Horizontal bar

28 4. General Purpose Output 4.1. General Purpose Output Off Dec Hex ASCII 254 86 FE 56 V Number Number Number Turns the specified GPO off, sinkin

29 5. Dallas One-Wire 5.1. Search for a One-Wire Device Dec Hex 254 200 2 FE C8 02 Sends a search query to each of the up to 32 devices on the one

3 Contents Revision History ...

30 6. Keypad 6.1. Auto Transmit Key Presses On Dec Hex ASCII 254 65 FE 41 A Key presses are automatically sent to the host when received by the d

31 6.6. Set Auto Repeat Mode Dec Hex 254 126 FE 7E Mode Mode Sets key press repeat mode to typematic or hold. In typematic mode if a key press is h

32 7. Display Functions 7.1. Display On Dec Hex ASCII 254 66 FE 42 B Minutes Minutes Minutes Turns the display backlight on for a specified length

33 8. Data Security 8.1. Set Remember Dec Hex 254 147 FE 93 Switch Switch Allows changes to specific settings to be saved to the display memory. Wr

34 9. Miscellaneous 9.1. Write Customer Data Dec Hex ASCII 254 52 FE 34 4 Data Data Data Saves a user defined block of data to non-volatile memory

35 Appendix Command Summary Available commands below include identifying number, required parameters, the returned response and an indication of whet

36 Table 34: General Purpose Output Command Summary Name Dec Hex ASCII Parameters Response Remembered General Purpose Output Off 86 56 V Number None

37 Character Set Figure 20: LK402-25 European Character Set

38 Environmental Specifications Table 40: Environmental Limits Standard Extended (-E) Operating Temperature 0°C to +50°C -20°C to +70°C Storage Temp

39 Dimensional Drawing Figure 21: Display Dimensional Drawing Figure 22: Standard Model Dimensional Drawing Figure 23: USB Model Dimensional Dra

4 General Purpose Outputs ... 18 Dall

40 Ordering Part Numbering Scheme Table 44: Part Numbering Scheme LK -402 -25 -V -422 -E 1 2 3 4 5 6 Options Table 45: Display Options # Designator

41 Accessories Power Table 46: Power Accessories PCS Standard Power Cable Communication Table 47: Communication Accessories CSS4FT 4 ft. Serial Cab

42 Peripherals Table 48: Peripheral Accessories KPP4x4 16 Button Keypad Temperature Probe Dallas One-Wire Temperature Probe

43 Definitions ASCII: American standard code for information interchange used to give standardized numeric codes to alphanumeric characters. BPS: B

5 Introduction Figure 1: LK402-25 Display The LK402-25 is an intelligent alphanumeric liquid crystal display designed to decrease development time

6 Quick Connect Guide Standard Module Figure 2: Standard Connections Table 1: Standard Headers # Header Mate 1 Communication/ Power SCCPC5V/ BBC 2

7 Serial Connections The serial interface provides a classic connection to the LK402-25. The Communication/Power Cable is most commonly used for thi

8 I2C Connections A more advanced connection to the LK402-25 is provided by the I2C protocol setting. It requires a connection directly to your proj

9 USB Module Figure 5: USB Connections Table 2: Standard Headers # Header Mate 1 Mini USB EXTMUSB3FT/ INTMUSB3FT 2 Alternate USB None Offered 3 Alt