X hits on this document

55 views

0 shares

0 downloads

0 comments

15 / 24

Computation Programs with terminal assignments

Computation Program No. 761: flow rate/thermal power, steam

Calculation of the output variable

[ , ,∆

,∆

,

,(

), α, ε ]

⋅ς

Legend

A E h p p Q Q T v P α ε ς m v

Output Input Enthalpy Absolute pressure Differential pressure, linear or with root extraction Mass flow Volume flow rate in operating state Temperature Specific volume Thermal or refrigerating capacity Flow rate coeffizient Expansion factor Operating density

Indices

r

Calculation value

19" Plug-In Card

z2,d2

z4,

z6,

z8,

z10,

z10,

z12,

z4,d4

z8,d8

z18,

d4

d6

d8

d10

d18

d12

d18

Variables

p

T

-

-

p1, Qv

f(Q )

v

p2

T

-

P,Q , Qv

m

Field case / Con- trol panel case

63,64

35, 36

7,8

67, 68

39,40

39,41

11,12

75,76

47,48

42,43

Inputs / outputs

E1

E2

E3

E4

E5

EB1

E6

Ex1

EX2

A1 (mA)

Table 7-4 Terminal assignment

z20,

z22,

z24,

d20

d22

d24

,, P Qm

,, P Qm

,, P Qm

,, Qv p T

,, Qv p T

,, Qv p T

A2(V)

AX1

AX2

(mA)

(mA)

14,15

19,20

21,22

15

Document info
Document views55
Page views55
Page last viewedSun Dec 04 14:33:42 UTC 2016
Pages24
Paragraphs616
Words3638

Comments