ABB TZA 4 Mode D'emploi page 43

Digital measuring computer TZA 4
Computation programs
Pr. No. Computational task/ computational formulal
Flow rate (gas) (split-range for
P 461 Gas (dry)
P 462 Gas (dry)
Flow rate (steam) (split-range for
P 471 Steamf
P 472 Saturated steamf
Flow rate (volumetric flowmeter)
P 511 Liquid
P 512 Gas
P 513 Gas
P 514 Gas
P 515 Water
Flow rate (open channel)
P 521 Q = f(h)
v
Thermal power (water)
P 611 Differential pressure meth.W = f (
P 612 Differential pressure meth.W = f (
Differential pressure meth.W = f (
P 613
P 616 Volumetric flowmeterr
P 617 Volumetric flowmeter
P 618 Volumetric flowmeter
Thermal/refrigerant power, liquid, brine
P 622 Differential pressure meth.W = f (
P 623 Differential pressure meth.W = f (
P 627 Volumetic flowmeter
P 628 Volumetic flowmeter
Thermal power (differential pressure method)
P 631 Steam
∆
P 632 Steam W = f ( p, p)
P 633 Steam
P 636 Saturated steam
P 637 Saturated steam
Heating power (wet gas) (split-range for
∆ ∆
P 641 W = f ( p1, p2, p, T,
∆ ∆
P 642 W = f ( p1, p2, p, T, H
∆ ∆
P 643 W = f ( p1, p2, p, T, H
∆ ρ
P 645 W = f ( p1, p, T,
Heating power (volumetric flowmeter)
P 651 Gas dry
Thermal power (differential pressure method), steam minus water
P 661 Flow restrictor „steam""
P 662 Flow restrictor „water"
P 663 Flow restrictor satur. steam W = f (
Rotor temperature
α
P 711 t = f (U, I); R ;
o o
Power factor, cos
ϕ ϕ
P 721 cos = f (tan )
ϕ ϕ
P 723 cos = f ( )
P 810 Rotational speed, time functions
42/18-40 XL TZA 4, Digital computer / Calculateur de mesure numérique
∆ α ε
p): -, -correction
∆ ∆ ρ
Q = f ( p1, p2, p, T,
n n
∆ ∆ α ε
Q = f ( p1, p2, p, , )
n
∆ α ε
p): -, -correction
∆ ∆ α
Q = f ( p1, p2, p, T, ,
m
∆ ∆ α ε
Q = f ( p1, p2, p, , )
m
Q = f (Q , T)
m v
Q = f (Q , p, T)
n v
Q = f (Q , p)
n v
Q = f (Q , T)
n v
Q = f (Q , T)
m v
3/2
A = Q ~ h
v
∆
p, T)
∆
p, T , T )
warm cold
∆ ∆
p, T, T )
Dr
W = f (Q , T)
v
W = f (Q , T , T )
v warm cold
∆
W = f (Q , T, T )
v r
∆
p, T , T )
warm cold
∆ ∆
p, T)
W = f (Q , T , T )
v warm cold
∆
W = f (Q , t)
v
∆
W = f ( p, p, T)
∆p ∆p ⁄
Q = Q
m mr r
∆
W = f ( p, T)
∆
W = f ( p, p)
∆
W = f ( p, T)
∆
p); Z/Z
n
ρ ϕ
, H oder W ); = 0 ... 1 = const.
n u z
ρ , ϕ
or W ); = const. = 0 ... 1 = const.
u z n
ϕ ρ
or W ); = const.
u z, n
ϕ
H or W )
n , u z,
W = f (Q , p, T, H )
v u
∆
W = f ( p, p, T , T
D W
∆
p, p, T
W
ϕ
ϕ
tan = (P + ... + P ) / (P
Q1 Q3
linearization for ETL 30
α ε α × ε ×
, Z, , )A = Q ~ (P 431)
n
α × ε ×
A = Q ~ (P 432)
n
ε α × ε ×
) A = Q ~ (P 421)
m
α × ε ×
A = Q ~ (P 426)
m
× ρ ×
A = Q = Q t ~ Q (K1–K2
m v v
×
A = Q ~ Q p/T
n v
×
A = Q ~ Q p
n v
A = Q ~ Q /T
n v
× ρ
A = Q = Q t
m v
W~ ∆p ⋅ v ⁄ h ⋅
A = v
r
W~ ∆p ⋅ v ⁄ ⋅
A = v
r
W~ ∆p ⋅ v ⁄ ∆T cp ⋅
A = v
r
× ×
A = W ~ Q v /v h
v r
× × (
A = W ~ Q v /v h
v r warm
× × ∆ ×
A = W ~ Q v /v T cp
v r
W~ ∆p ⋅ ρ ⋅
A =
Dr
W~ ∆p ⋅ ρ ⋅
A =
Dr
× ρ × (
A = W ~ Q h – h
v warm
× ρ × ∆ ×
A = W ~ Q T cp
v
× ×
W = Q h c
m w
⋅ v ⁄
v
r
(c = dimensional factor)
w
= 1
× ×
A = W = Q p/T H
v u
∆p ∆p ⁄ ⋅
Q = Q
m mr r
( )
W = Q h – h
m D W
∆p ∆p ⁄ ⋅
Q = Q
)
m mr r
( )
W = Q h – h
m D W
∆p ∆p ⁄ ⋅
Q = Q
)
m mr r
( )
W = Q h – h
m D W
U 1
⋅
--- - ----------------- -
A = t = +
α
I R –
0 0
+ ... + P )
w1 w3
19" plug-in card: design F
19" plug-in card, design D
Surface-mounting case
Field housing
Inputs
Length (Byte)
Program
3480
3370
3480
3060
×
t)
9)
P 123
810
9)
P 141
1740
3300
( )
h – h
3270
warm cold
⋅
4040
3150
– h ) 3380
cold
3920
( )
9)
t – t
P 144
warm cold
∆T cp ⋅
940
) P 125
cold
690
2380
2310
2065
2000
1910
9)
P 123
815
⁄ ( )
v v
r D
⁄
v v
r W
v ⁄
v
r
 
1
9)
t – ----- -
P 122
 
α
0
815
0
1280
1290
Comp. time
ms
File
630
600
510
480
ca. 600
about 600
420 250/570
460 250/800
460 250/800
420 200/390
460 210/570
460 220/800
about 600
450 300/1200
400 250/800
400 250/900
400 250/600
400 250/600
6400
6200
6400
6050
ca. 600
4650 280/1400
5160 280/1400
4150 280/1400
about 600
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