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參數(shù)資料
| 型號： | 20-101-0303 |
| 廠商： | Rabbit Semiconductor |
| 文件頁數(shù)： | 18/126頁 |
| 文件大小： | 0K |
| 描述： | SMARTSCREEN OP7100 W/TOUCHSCREEN |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 顯示器類型： | STN - 超扭轉(zhuǎn)向列，帶觸摸面板 |
| 可視范圍： | 121.00mm L x 91.00mm W |
| 背光： | CCFL - 白 |
| 點象素： | 320 x 240（QVGA） |
| 接口： | 串行 |
| 點間距： | 0.36mm x 0.36mm |
| 產(chǎn)品目錄頁面： | 618 (CN2011-ZH PDF) |
| 其它名稱： | 20-101-0303-ND 20-101-303 20-101-303-ND 316-1175 |
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OP7100
114
Backup Battery
Battery Life and Storage Conditions
The battery on the OP7100 will provide approximately 9,000 hours of
backup time for the onboard real-time clock and static RAM. However,
backup time longevity is affected by many factors including the amount of
time the OP7100 is unpowered. Most systems are operated on a continuous
basis, with the battery supplying power to the real-time clock and the
SRAM during power outages and/or during routine maintenance. The time
estimate reflects the shelf life of a lithium battery with occasional use
rather than the ability of the battery to power the circuitry full time.
The battery has a capacity of 265 mAh. At 25°C, the real-time clock
draws 3 A when idle, and the 128K SRAM draws 4 A. If the OP7100
were unpowered 100 percent of the time, the battery would last 32, 000
hours (3.6 years).
To maximize the battery life, the OP7100 should be stored at room
temperature in the factory packaging until field installation. Take care that
the OP7100 is not exposed to extreme temperature, humidity, and/or
contaminants such as dust and chemicals.
To ensure maximum battery shelf life, follow proper storage procedures.
Replacement batteries should be kept sealed in the factory packaging at
room temperature until installation. Protection against environmental
extremes will help maximize battery life.
Replacing the Lithium Battery
The battery is user-replaceable, and is fitted in a battery holder. To replace
the battery, lift up on the spring clip and slide out the old battery. Use only
a Panasonic CR2330 or equivalent replacement battery, and insert it into
the battery holder with the + side facing up.
Note that the SRAM contents and the real-time clock settings
will be lost if the battery is replaced with no power applied to
the OP7100. Therefore, if you do replace the battery with
external power applied to the OP7100, exercise caution since
high voltages are present in the vicinity of T1 on the side of the
printed circuit board opposite to the battery holder.
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