參數(shù)資料
型號： DS2422
英文描述： 1-Wire Temperature/Datalogger with 8kB Datalog Memory
中文描述： 1-Wire®溫度/數(shù)據(jù)記錄器，帶有8KB數(shù)據(jù)記錄存儲器
文件頁數(shù)： 7/48頁
文件大小： 444K
代理商： DS2422
DS2422
7 of 48
under the control of SCLK. The DS2422 will activate its alarm output if the measured temperature or serial-input
data reaches a user-programmed high or low alarm threshold. This alarm then can be used to shut down the
equipment and enforce a service call. In contrast to microprocessor-based data loggers, the DS2422 does not
require any firmware development. Software for setup and data retrieval through the 1-Wire interface is available
for free download from the iButton website (
www.ibutton.com
). This software also includes drivers for the serial and
USB port 1-Wire interfaces of a PC, and routines to access the general-purpose memory for storing application or
equipment-specific data files.
Figure 1. Simple Temperature Logger
KDS
SM14J
32768Hz
1-Wire
GND
Leave
open
BR1225R
Lithium
1
2
6
5
IC2
DS9503
1
2
6
5
IC3
DS9503
SDATA
SCLK
AGND
TEST_SPLY
TEST_RX
VBAT
VPAD
X2
IO
ALARM
TEST_CG
TEST_EXT
X1
IC1
DS2422
CNVST
GND
PUMP_ONZ
Figure 2. Temperature and Voltage Logger With Thermocouple
D1
1.5V LED
C1
0.1 F
5V
1-Wire
GND
Leave
open
BR1225R
Lithium
KDS
SM14J
32768Hz
Thermocouple
Type E, J, K, N
R1
470
R3
2k
R4
2.2k
R2
200k
7
8
1
6
3
2
5
4
IC3
INA122
V-
Ref
Vin-
Vin+
Vo
RG
RG
V+
1
2
6
5
IC4
DS9503
1
2
6
5
IC5
DS9503
IC2
MAX1086
VDD
DOUT
SCLK
CNVST
REF
GND
AIN2
AIN1
1
5
6
8
7
2
3
4
SDATA
SCLK
AGND
TEST_SPLY
TEST_RX
VBAT
VPAD
X2
IO
ALARM
TEST_CG
TEST_EXT
X1
IC1
DS2422
CNVST
GND
PUMP_ONZ
Note: When using a positive/negative thermocouple, an offset voltage can be utilized through the Ref input of the
INA122 amplifier. This voltage shifts the 0V output of the amplifier up the amount equal to the offset voltage
allowing negative voltages to be read in the positive range of the MAX1086. This offset voltage may be obtained
through a simple resistor divider network (not shown).
相關(guān)PDF資料
PDF描述
DS2422S 1-Wire Temperature/Datalogger with 8kB Datalog Memory
DS2482-800 Eight-Channel 1-Wire Master
DS2482-100 Single-Channel 1-Wire Master
DS2482S-100 Single-Channel 1-Wire Master
DS2482S-800 Eight-Channel 1-Wire Master
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS2422P 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Serial SRAM
DS2422S 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
DS2422S+ 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
DS2422X 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
DS2423 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:4kbit 1-Wire RAM with Counter
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