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Computation Programs with terminal assignments

Computation Program No. 735: thermal power, dry/wet gas

Calculation of the output variable

[

,

,

, ϕ, ∆

,∆

,

,(

), , α, ε ]

⋅ (ϕ)

⋅ (ϕ)

Legend

A E Hu p p Q Q T P Z α ε ϕ n v

Output Input Lower heating value in normal state Absolute pressure Differential pressure, linear or with root extraction Volume flow rate in normal state Volume flow rate in operating state Temperature Thermal or refrigerating capacity Real gas factor Flow rate coefficient Expansion factor Relative humidity

Indices

n r

N o r m a l s t a t e ( 1 0 1 3 m b a r , 0 o C Calculation value )

Variables

p

T

19" Plug-In Card

z2,d2

z4,d4

Field case / Con-

63,64

35,36

trol panel case

Field case Ex-ver-

29,30

1,2

sion

57-60

Inputs / outputs

E1

E2

H

u

z6,d6

7,8

-

E3

Table 7-2 Terminal assignment

ϕ

p1, Qv

f(Q )

v

p2

T

-

z8,d8

z10, d10

z10, d18

z12, d12

z4,d4

z8,d8

67,68

39,40

39,41

11,12

75,76

47,48

-

31,32

-

3,4

57-60

-

E4

E5

EB1

E6

Ex1

EX2

z18,

z20,

z22,

z24,

d18

d20

d22

d24

P

Q, P, T, ϕ

P, Q

Q, P, T, ϕ

42,43

14,15

19,20

21,22

42,43

14,15

19,20

21,22

A1 (mA)

A2(V)

AX1 (mA)

AX2 (mA)

13

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