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参数资料
型号： LCD2041-V
厂商： Matrix Orbital
文件页数： 11/55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
Table 2: Default Values
Contrast
128
Backlight
255
Baud Rate
19.2 kbps
I2C Slave Address
0x50
Data Lock
False
RS232AutoTransmitData
True
NOTE
The display module will revert back to the old settings once turned off, unless the
settings are saved.
3 Troubleshooting
3.1 The display does not turn on when power is applied.
?
First, you will want to make sure that you are using the correct power connector. Standard ?oppy drive
power cables from your PC power supply may ?t on the Power/Dat
a Connector however they do not
have the correct pin out as can be seen in
?gure 10 on page 5
. Matrix Orbital supplies power cable
adapters for connecting to a PC, which can be found in the
Accessories Section on page 2.
?
The next step is to check the power cable which you are using for continuity. If you don't have an
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 / Data Connector
on the LCD2041. If the
Power / Data
Connector
has become loose, or you are unable to resolve the issue, please contact Matrix Orbital,
see
12.6 on page 51
for contact information.
3.2 The display module is not communicating.
?
First, check the communication cable for continuity. If you
don't have an ohm meter, try using a
different communication cable. If you are using a PC try using a different Com Port.
?
Second, please ensure that the display module is set to communicate on the protocol that you are
using, by checking the
Protocol Select Jumpers.
To change the protocol used by the display module
see
Section 2.3 on page 11.
?
Third, ensure that the host system and display module are both communicating on the same baud rate.
The default baud rate for the display module is 19200 bps.2
C please ensure that the data is being sent to the correct
?
If you are communicating to the display via I
address. The default slave address for the display module is
0x50.
NOTE
I2C communication will always require pull up resistors.
?
Finally, you may reset the display to it's default settings using the
Manual Override Jumper, see
Section 2.5 on page 13.
Matrix Orbital LCD2041
15
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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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