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参数资料
| 型号： | M2256PW |
| 厂商： | 3M |
| 文件页数： | 32/41页 |
| 文件大小： | 306K |
| 描述： | DISPLAY SCREEN 22" MULTI-TOUCH |
| 视频文件： | Perceptive Pixel and 3M Projected Capacitive Technology 3M? GLOVE TOUCH 3M? Multi-Touch Speeds 3M? Multi-User Imagine the Possibilities of 3M? Multi-Touch |
| 标准包装： | 1 |
| 显示器类型： | * |
| 显示模式： | * |
| 可视范围： | * |
| 背光： | * |
| 点象素： | * |
| 接口： | * |
| 点尺寸： | * |
| 点间距： | * |
| 其它名称： | 3M10400 98000335129 |
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38 3M? Multi-touch Display M2256PW User Guide
3M Touch Systems, Inc. Proprietary Information – 37531 Rev D
AD
Indicates the PX series of controllers
Ffff
= Four ASCII characters that indi
cate the features supported by the
controller.
**** Indicates no additional features configured
Ss
= Two ASCII characters that prov
ide status information about the
controller hardware. The two characters represent one byte. Each
character is in the range 0 to 9 and A to F.
Table 2 defines the meaning of each bit in the status byte. Each bit
can be set to 1 or 0, where 1 = an error and 0 = no error. So a
response of:
00
= No diagnostic errors (normal response)
The PX running with no errors returns the following string:
<SOH> AD****00
<CR>
The format includes two bitmapped ASCII hex status bytes. A “00” indicates no errors.
Table 19 Bit Meanings in Status Byte
Bit
Description
Notes
0 Not used
1 ROM_ERROR Code area checksum error
2 PWM Error Touch screen not connected or potential problem.
3 NOV_ERROR Parameter Block1 checksum error
4 HDW_ERROR Problem with ADCs
5 Not used
6 Not used
7 Not used
Touch Data Format
The format is a six byte packet that includes one status byte, four bytes of binary X,Y
position data and a touch ID. The X,Y coordinates are 14 bits, providing a range of 0 to
16,383. The data is sent in the following format:
Table 20 Touch Data Format Settings
Data Sequence
Bits
7
6
5
4
3
2
1
0
Status - Byte 1 1 P1
0 0 0 0 0 0
X - Byte 2 0 X6 X5 X4 X3 X2 X1 X0
X - Byte 3 0 X13 X12 X11 X10 X9 X8 X7
Y - Byte 4 0 Y6 Y5 Y4 Y3 Y2 Y1 Y0
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相关代理商/技术参数 |
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| M225759/34-22-9 | 制造商:ALCATEL 功能描述:M22759/34-22-9 STR TNC XL-ETFE WHT 150C 600V **QPL/CTR** |
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