, >>>

2010: 
1, 2, 3, 4, 5, 6, 7, 8, 9
2009: 
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
13, 14, 15, 16
2008: 
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
13, 14, 15, 16
2007: 
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
13, 14, 15, 16, 17, 18, 19, 20
2005: 
1, 2, 3

Новости строительства

827:

827 0688759652

:

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2963-2 (RUS) . :

2963-2

II ... 372:

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" ", 5, 2010 .

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. , , , . Maxim Integrated Products .

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. 1.

 

, . ( , ) 4 20 . ( , ) 4...20  . - .

. 4...20 , 4 ,  - 20 . , 16 . 4 , .

, , , ,  - . , (, ),  2.

 

 

. 2.

, , Maxim .

 


-

 3 «-» () MAX9943. ±15  ±20 , 1 , . 0...20  , MAX9943 , (rail-to-rail output).

 

 -  MAX9943

 

. 3. - MAX9943

: VIN = (R2/R1) RSENSE ILOAD + VREF. , : R1 = 1 ; R2 = 10 ; RSENSE = 12,5 ; RLOAD = 600 .

±2,5  ±20  VREF 0 . 4...20  0...2,5 , 4 . VREF = -0,25  0...2,5  2...22 . . 4 5.

 

 ILOAD  VIN   ±20

 

. 4. ILOAD VIN ±20

 

 ILOAD  VIN   4-20

 

. 5. ILOAD VIN 4-20

 

 

MAX15500 MAX15501 -

3 - , , . , «-» , .

 

  MAX15500/15501

 

. 6. MAX15500/15501

 - MAX15500/15501, SPI . , , . MAX15500 0...4,096 , MAX15501 - 0...2,5 . : ±10 ; 0...5 ; 0...10 ; ±20 ; 0...20 ; 4...20 . ; ; .

 

MAX5661 -

 - MAX5661. 16- , (0...20  4...20 ) ±10 .

 

   MAX5661

 

. 7. MAX5661

SPI-. #FAULT, . , MAX5661 4,096 . , , MAX6341, MAX6133 MAX6033. MAX5661 MAX5661EVCMAXQU+ (GUI).

 

MAX1452 -

, , .. . Maxim MAX1452, , , , PGA . EEPROM- 768 .

 8 MAX1452 4...20  . 2N2222A.

 

  MAX1452

 

. 8. MAX1452

 

HART- DS8500

HART (Highway Addressable Remote Transducer Protocol) - , , , , . FSK- ( ) 4...20  ( 9). HART .

 

FSK-

 

. 9. FSK-

HART ( ) Maxim HART- DS8500, -, «1» 1,2 , «0» - 2,2 . DS8500 , , , ( 10).

 

  DS8500

 

. 10. DS8500

 

( , ) .

 

Maxim , . , Maxim 300 RS-485/RS-232, CAN, LIN.

 

1. "How to use highvoltage and highcurrent-drive opamps in 4-20 mA current-loop systems", Maurizio Gavardoni, Maxim Engineering Journal 68

2. « - Maxim», , « » 8 2009

3. http://datasheets.maxim-ic.com/en/ds/MAX15500-MAX15501.pdf

4. http://datasheets.maxim-ic.com/en/ds/MAX5661.pdf

5. http://datasheets.maxim-ic.com/en/ds/MAX1452.pdf

6. http://www.hartcomm.org/protocol/about/aboutprotocol_how.html 

7. http://datasheets.maxim-ic.com/en/ds/DS8500.pdf.

, , - e-mail: analog.vesti@compel.ru

 

 





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