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参数资料
| 型号： | LK204-25-422-GW-E |
| 厂商： | Matrix Orbital |
| 文件页数： | 4/47页 |
| 文件大小： | 2507K |
| 描述： | LCD CHARAC DISPLAY 20X4 RS422 |
| 产品变化通告： | 12C Displays Change 11/Oct/2011 |
| 标准包装： | 1 |
| 系列： | LK204-25 |
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12
Software
The multiple communication protocols available and simple command structure of the LVK204-25
means that a variety of applications can be used to communicate with the display. Text is sent to the
display as a character string, for example, sending the decimal value 41 will result in an 'A' appearing on
the screen. A number of control characters are also activated. Commands are merely values prefixed
with a special command byte, 254 in decimal. While many software programs are available to
communicate with the LVK204-25, a number of more common samples
are detailed in depth below.
Table 4: Reserved Control Characters
Control Characters
8
Backspace
10
Line feed / New line
12
Clear screen / New page
13
Carriage return
Hyperterminal
Installed on most Windows computers, hyperterminal can be run by selecting run and typing 'hypertrm'
in the command line. This basic program will allow communication between a PC and your display.
When starting up, a name must be given to your connection, and an icon may be chosen, neither is
consequential. Next, it's important to select the appropriate communication port to which
your display
is connected. Finally, the settings below must be entered to complete the port setup.
Table 5: Hyperterminal Settings
BPS
Data Bits
Parity
Stop Bits
Flow Control
19200
8
None
1
None
Once a port is successfully set up, data can be sent to an attached display by typing on the keyboard. At
this point, it may be helpful to echo keys to the monitor by selecting properties from the file menu and
opening the ASCII settings from settings tab.
Commands can be sent to an attached display by issuing decimal commands using the number pad.
While the ALT key is held down, four digit decimal values can be sent as a single ASCII character. For
example, to clear the screen,
try the following sequence.
ALT +0254
ALT +0088
Figure 9: Hyperterminal Command
Any commands or text desired can be sent to the communication port using this method to provide
total control of any Matrix Orbital display.
相关PDF资料 |
PDF描述 |
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| HF-11S10-U | JOYSTICK HALL 2AXIS USB |
| LK204-25-422-E | LCD CHARAC DISPLAY 20X4 RS422 |
| C200H-ID211 | TERM BLOCK PLC 8POS-IN 12-24VDC |
| KC7050T156.250P20E00 | OSCILLATR SAW 156.25MHZ 2.5V SMD |
| KC7050T156.250P30E00 | OSCILLATR SAW 156.25MHZ 3.3V SMD |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LK204-25-422-GW-V | 功能描述:LCD字符显示模块与配件 20x4 L. Blu Txt Blk B/G Ext. Volt RoHS:否 制造商:Lumex 显示模式:Transflective 字符计数 x 行:16 x 2 特点: 流体类型:STN 接口: 背景色: 工作温度范围:- 20 C to + 70 C 封装:Bulk |
| LK204-25-422-GW-V-E | 功能描述:LCD字符显示模块与配件 20x4, 25key, RS422 9-15 Volt, Ext Temp RoHS:否 制造商:Lumex 显示模式:Transflective 字符计数 x 行:16 x 2 特点: 流体类型:STN 接口: 背景色: 工作温度范围:- 20 C to + 70 C 封装:Bulk |
| LK204-25-422-GW-VPT | 功能描述:LCD字符显示模块与配件 20x4 L. Blu Txt Blk B/Gvolt Reg. RoHS:否 制造商:Lumex 显示模式:Transflective 字符计数 x 行:16 x 2 特点: 流体类型:STN 接口: 背景色: 工作温度范围:- 20 C to + 70 C 封装:Bulk |
| LK204-25-422-GW-VPT-E | 功能描述:LCD字符显示模块与配件 20x4, 25key, RS422 Wide Volt, Ext Temp RoHS:否 制造商:Lumex 显示模式:Transflective 字符计数 x 行:16 x 2 特点: 流体类型:STN 接口: 背景色: 工作温度范围:- 20 C to + 70 C 封装:Bulk |
| LK204-25-422-IY | 功能描述:LCD字符显示模块与配件 20x4 Ylw Txt Blk B/G 25 key LCD RoHS:否 制造商:Lumex 显示模式:Transflective 字符计数 x 行:16 x 2 特点: 流体类型:STN 接口: 背景色: 工作温度范围:- 20 C to + 70 C 封装:Bulk |
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