参数资料
型号: GLT240128-WB
厂商: Matrix Orbital
文件页数: 15/72页
文件大小: 2630K
描述: LCD GRAPHIC RS232 BLU/WHT
产品变化通告: 12C Displays Change 11/Oct/2011
GLT24064(R)-(1U), GLT240128 v8.3 Release 11/Oct/2011
标准包装: 1
系列: GLT
其它名称: 635-1063
Command Summary
17
5.3
Communication
When communication of either text or commands is interrupted, try the steps below.
?
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/USB Port.
?
Next, please ensure that the display module is set to communicate on the protocol that you are
using, by checking the Protocol Select Jumpers.
?
In serial and USB protocols, ensure that the host system and display module are both
communicating on the same baud rate. The default rate for the display module is 19200 bps.
?
Match Rx from your display to the transmitting pin from your host and the Tx pin to the
receiving pin.
?
If you are communicating to the display via I2C*
please ensure that the data is being sent to the
correct address. The default slave address for the display module is 80.
?
In I2C mode, connect Rx to the clock line of your controller and
Tx to the data output.
?
Unlock the display. See the Set and Save Data Lock command for more info.
?
Finally, you may reset the display to its default settings using the Manual Override procedure
outlined below.
*Note:
I2C communication will always require pull up resistors on SCL and SDA of one to ten kilohms.
5.4
Manual Override
Should the settings of your display become altered in a way that dramatically impacts usability, the
default settings can be temporarily restored. To override the display, please follow the steps below.
1.
Disconnect power from your display.
2.
Place a jumper on the two manual override pins, for the GLK240128-25
model these are the middle
two keypad pins, for the GLT240128
these are the two pins near the keypad header.
3.
Reconnect power to your unit, and wait for the start screen before removing the jumper. Please
note the jumper will adversely affect GLT240128performance if left in place during use.
4.
Settings will be temporarily**
overridden to the defaults listed in the Manual Override Settings
table. At this point any important settings, such as contrast, backlight, or baud rate, should not only
be set but saved so they remain when the override is removed.
Parameter
Value
Backlight
255
Contrast
128
Baud Rate
19200
I2C Address
80
Table 15: Manual Override Settings
**Note:
The display module will revert back to the old settings once turned off,
unless desired settings are saved.
相关PDF资料
PDF描述
GLT240128 LCD GRAPHIC RS232 YLW/GRN
GLT24064-WB LCD GRAPHIC TOUCH PANEL BLU/WHT
GLT24064 LCD GRAPHIC TOUCH PANEL
GLK12232-25-USB-FGW LCD GRAPHIC DISPL 122X32
GLK12232-25-SM-USB LCD GRAPHIC DISPL 122X32
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