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Computation Programs with terminal assignments

Computation Program No. 751: flow rate/thermal power, water

Calculation of the output variable

[, ,

,

,

,∆

,∆

,

,(

)]

⋅ς

⋅(

)

Legend

A E h p p Q Q T T v P T Q m v

Output Input Enthalpy Absolute pressure Differential pressure, linear or with root extraction Mass flow Volume flow rate in operating state Temperature Temperature difference Specific volume Thermal or refrigerating capacity Temperature for density correction

k

Cold

r

Calculation value

w

Warm

Indices

19" Plug-In Card

z2,

z4,

z6,

z8,

z10,

z10,

z12,

z4,d4

z8,d8

z18,

d2

d4

d6

d8

d10

d18

d12

d18

Field case / Con- trol panel case

63, 64

35, 36

7,8

Inputs / outputs

E1

E2

E3

67, 68

39,40

39,41

11,12

75,76

47,48

42,43

E4

E5

EB1

E6

Ex1

EX2

A1 (mA)

Variables

Table 7-3 Terminal assignment

p

T

Q

p2

T, Tw

T

k

v p1, Q

f ( Q v )

T, T

w

T

k

P , Q m Qv ,

14

z20,

z22,

z24,

d20

d22

d24

A2(V)

AX1

AX2

(mA)

(mA)

P , Q m , Qv , T , T w , Tk ,T

14,15

19,20

21,22

P , Q m , Qv T , Tk ,T , T w ,

P , Q m , Qv , T , T w , Tk ,T

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