Hitachi EH-150 manual 1Pt100 -20 to +40 range

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7.Collection of Temperature Data

(1)Pt100 -20 to +40range

 

 

 

T a b l e 7 . 4 . 2 P t 1 0 0 - 5 0 t o + 4 0 ºC r a n g e T e m p e r a t u r e c o n v e r s i o n d a t a

Temperature

Decimal

Hexadecimal

Pt100

 

( ºC) Note1)

data

data

resistance (Ω)

 

 

 

 

 

 

-25

55296

D800

90.19

 

-20

57344

E000

92.16

 

-15

59392

E800

94.12

 

-10

61440

F000

96.09

 

-5

63488

F800

98.04

 

0

0

0000

100.00

 

5

2048

0800

101.95

 

10

4096

1000

103.90

 

15

6144

1800

105.85

 

20

8192

2000

107.79

 

25

10240

2800

109.73

 

30

12288

3000

111.67

 

35

14336

3800

113.61

 

40

16384

4000

115.54

 

45

18432

4800

117.47

 

Note 1) At the range from -20 to +40 ºC of Pt100, the input temperature input range is from -20 to +40 ºC. But the temperature data output is from -25 to +45 .

7-6

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Contents Hitachi Programmable Controller Page Limited Warranty and Imitation of Liability Page Safety Precautions Required Prohibited V i s i o n N t e n t T e Table of contents Appendix 12-1 B l e 1 R e f e r e n c e M a n u a l l i s t C u m e n t N t r o d u c t i o nN t e n t s A n t i t y E f o r e U s eE a t u r e s R e c a u t i o n s o n U s eStructure and Name of Each Part Structure and NameplateSpecification list SpecificationSpecification Terminal layout and internal circuit Internal Block Diagram Block DiagramExternal Wiring External WiringSetting of temperature range SettingTemperature rage setting Setting switchI / O a l l o c a t i o n O l l e c t i o n o f T e m p e r a t e D a t aG u r e 7 H7FFF Temperature DataB3 b2 b1 b0 Example of Calculation F8CC 1 Pt100 -50 to +400 ºC range Temperature conversion data1Pt100 -20 to +40 range E a s u r e d T e m p e r a t u r e R a n g e o v e r Error D e t e c t i o n P r o c e s s i n gA m p l e o f p r o g r a m Error Detection ProcessingO u n t i n g InstallationO u n t i n g M e t h o d A i n t e n a n c e a n d I n s p e c t i o nFigure .1 Wire Separation by Conduits or Ducts Precautions on External WiringX a m p l e o f P r o g r a m m i n g X a m p l e o f P r o g r a m m i n gV i c e R003 10-3 Offset error Temperature conversion data Example of Programming 2 Offset adjustmentAllocation Error 41 is indicated in CPU TroubleshootingData Error in a Specific Channel Data Error in All ChannelsAppendix Calculation of External Wiring ResistanceReference

EH-150 specifications

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