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| 型号： | LCD2041-V |
| 厂商： | Matrix Orbital |
| 文件页数： | 9/55页 |
| 文件大小： | 1536K |
| 描述： | LDC CHAR 9 TO 15VDC 20X4 Y/GBK |
| 产品变化通告： | Backlight Change 02/Mar/2010 Wide Voltage/Temperature Change 03/Jun/2011 |
| 标准包装： | 1 |
| 系列： | LCD2041 |
| 显示器类型： | LCD - 单色 |
| 显示模式： | 反射 |
| 数字/字母数： | 80 |
| 外形L x W x H： | 98.00mm x 60.00mm x 27.50mm |
| 可视范围： | 76.00mm L x 25.20mm W |
| 背光： | LED - 黄/绿 |
| 显示格式： | 20 x 4 |
| 字符尺寸： | 4.75mm H x 2.95mm W |
| 字符格式： | * |
| 电源电压： | 9 V ~ 15 V |
| 接口： | I²C，RS232，TTL |
| 工作温度： | 0°C ~ 50°C |
| 其它名称： | Q4126558 |
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2.4 General Purpose Outputs
A unique feature of the LCD2041 is the ability to control relays and other external devices using a
General Purpose Output, which can provide up to 20 mA of current and +5Vdc from the positive side of the
GPO. If the device, which is being driven by a GPO, requires a relatively high current (such as a relay) and
has an internal resistance of its own greater than 250 ohms, then the 240 ohm resistor, which is associated
with the GPO may be removed and replaced with a Jumper.
-
+
GND
MAX: 20 mA, +5Vdc
Figure 18: General Purpose Output
WARNING
If connecting a relay, be sure that it is fully clamped using
a diode and capacitor in order to absorb any electro-motive force (EMF)
which will be generated.
2.5 Manual Override
The
Manual Override
is provided to allow the LCD2041 to be reset to factory defaults. This can be
particularly helpful if the display module has been set to an
unknown baud rate or I2C Slave Address and
you are no longer able to communicate with it. If you wish to return the module to its default settings you
must:
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 default values listed below in
table 2.
5. Edit and save settings.
Matrix Orbital LCD2041
13
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LCD2041-V-E | 制造商:Matrix Orbital 功能描述:20x4 Blk Txt, Y/G BG Low Volt, Ext Temp |
| LCD2041-VPT | 功能描述:LCD字符显示模块与配件 20x4 Blk Txt Y/G B/G Voltage Regulator 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 |
| LCD2041-VPT-E | 制造商:Matrix Orbital 功能描述:20x4 Blk Txt, Y/G BG Wide Volt, Ext Temp |
| LCD2041-WB | 功能描述:LCD字符显示模块与配件 Blue Background White Text 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 |
| LCD2041-WB-E | 功能描述:LCD字符显示模块与配件 20x4 Wht Txt Blu B/G Ext. Temp No 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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