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參數(shù)資料
| 型號： | DS1923-F5 |
| 英文描述： | Hygrochron Temperature/Humidity Logger iButton with 8kB Data Log Memory |
| 中文描述： | Hygrochron溫度/濕度記錄儀與8KB數(shù)據(jù)記錄存儲器iButton的 |
| 文件頁數(shù)： | 46/52頁 |
| 文件大?。?/td> | 495K |
| 代理商： | DS1923-F5 |
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DS1923: Hygrochron Temperature/Humidity Logger iButton with 8kB Data Log Memory
MISSION EXAMPLE: PREPARE AND START A NEW MISSION
Assumption: The previous mission has been ended by using the Stop Mission command. Passwords are not
enabled. The device is a DS1923.
Starting a mission requires three steps:
Step 1: clear the data of the previous mission
Step 2: write the setup data to register page 1
Step 3: start the mission
STEP 1
Clear the previous mission.
46 of 52
With only a single device connected to the bus master, the communication of step 1 looks like this:
MASTER MODE
TX
RX
TX
TX
TX
TX
TX
RX
DATA (LSB FIRST)
(Reset)
(Presence)
CCh
96h
<8 FFh bytes>
FFh
(Reset)
(Presence)
COMMENTS
Reset pulse
Presence pulse
Issue “skip ROM” command
Issue “clear memory” command
Send dummy password
Send dummy byte
Reset pulse
Presence pulse
STEP 2
During the setup, the device needs to learn the following information:
Time and Date
Sample Rate
Alarm Thresholds
Alarm Controls (Response to Conditional Search)
General Mission Parameters (e.g., Channels to Log and Logging Format, Rollover, Start Mode)
Mission Start Delay
The following data will setup the DS1923 for a mission that logs temperature and humidity using 8-bit format for
both. Such a mission could last up to 28 days until the 8192-byte data log memory is full.
ADDRESS
0200h
0201h
0202h
0203h
0204h
0205h
0206h
0207h
0208h
0209h
020Ah
020Bh
020Ch
020Dh
020Eh
020Fh
DATA
00h
30h
15h
15h
05h
04h
0Ah
00h
66h
7Ah
6Fh
9Eh
FFh
FFh
FFh
FFh
EXAMPLE VALUES
FUNCTION
15:30:00 hours
15
th
of May in 2004
Every 10 minutes (EHSS = 0)
10°C low
20°C high
40%RH low
70%RH high
(don’t care)
Time
Date
Sample rate
Temperature alarm
Threshold
Humidity alarm threshold,
No software correction used
Clock through
Read-only registers
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相關(guān)代理商/技術(shù)參數(shù) |
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| DS1923-F5# | 功能描述:iButton Hygrochron Temp/Hum Logger w/8KB DataLog RoHS:否 存儲類型:SRAM 存儲容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated |
| DS1923-F5#W | 功能描述:iButton Hygrochron Temp/Hum Logger w/8KB DataLog RoHS:否 存儲類型:SRAM 存儲容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated |
| DS1923-F5+ | 功能描述:iButton RoHS:否 存儲類型:SRAM 存儲容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated |
| DS19310 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Color TV Owners Manual Manuel dinstructions du teleouleur Color TV Manual Del Propietario |
| DS193-K | 制造商:Miyama Electric 功能描述: |
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