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参数资料
| 型号： | VK204-25-422-E |
| 厂商： | Matrix Orbital |
| 文件页数： | 29/47页 |
| 文件大小： | 2507K |
| 描述： | VF CHARACTER 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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35
8.
Data Security
8.1.
Set Remember
Dec
Hex
254 147
FE 93
Switch
Switch
Allows changes to specific settings to be saved to the display memory. Writing to non-volatile memory can be slow
and each change consumes 1 write of approximately 100,000 available. The Command Summary
outlines which
commands are saved always, never, and when this command is on only. Remember is off by default.
Switch
1 byte, 1 for on or 0 for off
8.2.
Set Data Lock
Dec
Hex
254 202 245 160
FE CA F5 A0
Level
Level
Temporarily locks certain aspects of the display to ensure no inadvertent changes are made. The lock is released
after a power cycle. A new level overrides the old, and levels can be combined. Default is 0.
Level
1 byte, each bit representing a level, see Table 28
Table 28: Data Lock Bits
Display
Command
Reserved
Setting
Address
Reserved
Reserved
Reserved
7
6
5
4
3
2
1
0
Table 29: Lock Parameters
Reserved
Place holders only, should be 0
Address
Locks the Baud Rate and I2C address
Setting
Locks all settings from being saved
Command
Locks all commands, text can still be written
Display
Locks entire display, no new text can be displayed
8.3.
Set and Save
Data Lock
Dec
Hex
254 203 245 160
FE CB F5 A0
Level
Level
Locks certain
aspects of the display to ensure no inadvertent changes are made. The lock is not affected by a
power cycle. A new level overrides the old, and levels can be combined. Default is 0.
Level
1 byte, see data lock table
相关PDF资料 |
PDF描述 |
|---|---|
| LK204-25-USB-GW-E | LCD CHARACTER DISPLAY 20X4 USB |
| LK204-25-USB-E | LCD CHARACTER DISPLAY 20X4 USB |
| P51-75-A-A-MD-5V-000-000 | SENSOR 75PSI 1/4-18 NPT 1-5V |
| LK204-7T-1U-USB-TCI-E | LCD CHARACTER DISPLAY 20X4 USB |
| LK204-7T-1U-USB-GW-E | LCD CHARACTER DISPLAY 20X4 USB |
相关代理商/技术参数 |
参数描述 |
|---|---|
| VK204-25-422-V | 功能描述:真空荧光显示器 - VFD 20x4 Grn Txt Blk B/G No B/L Ext. Volt RoHS:否 制造商:Noritake 产品:Graphic Display Modules 字符计数 x 行: 模块大小 - 宽x高x厚:230 mm x 78 mm x 15 mm 观察区域 - 宽x高:166.25 mm x 41.45 mm 接口: 电压额定值:5 V 工作温度范围:- 40 C to + 85 C 封装: |
| VK204-25-422-VPT | 功能描述:真空荧光显示器 - VFD 20x4 Grn Txt Blk B/G No B/L Volt Reg RoHS:否 制造商:Noritake 产品:Graphic Display Modules 字符计数 x 行: 模块大小 - 宽x高x厚:230 mm x 78 mm x 15 mm 观察区域 - 宽x高:166.25 mm x 41.45 mm 接口: 电压额定值:5 V 工作温度范围:- 40 C to + 85 C 封装: |
| VK204-25-422-VPT-E | 制造商:Matrix Orbital 功能描述:20x4 VFD,RS422,25key Wide Volt, Ext Temp |
| VK204-25-E | 功能描述:真空荧光显示器 - VFD 20X4 DISPLAY RoHS:否 制造商:Noritake 产品:Graphic Display Modules 字符计数 x 行: 模块大小 - 宽x高x厚:230 mm x 78 mm x 15 mm 观察区域 - 宽x高:166.25 mm x 41.45 mm 接口: 电压额定值:5 V 工作温度范围:- 40 C to + 85 C 封装: |
| VK204-25-USB | 功能描述:真空荧光显示器 - VFD Vacuum Florescent Blue/Green Text RoHS:否 制造商:Noritake 产品:Graphic Display Modules 字符计数 x 行: 模块大小 - 宽x高x厚:230 mm x 78 mm x 15 mm 观察区域 - 宽x高:166.25 mm x 41.45 mm 接口: 电压额定值:5 V 工作温度范围:- 40 C to + 85 C 封装: |
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