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NIVELCO EasyTREK SCA-300 Series, Programming Manual

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NIVELCO EasyTREK SCA-300 Series Programming Manual Download Page 26

24 

EasyTREK Compact Ultrasonic Level Transmitters

3.

 

TABLE OF PARAMETERS

Par.

Page

Description

Code

Par.

Page

Description

Code

d

c

b

a

d

c

b

a

P00

2

Application/Engineering Units

P28

13

Echo-loss handling

P01

3

Measurement Mode

P29

13

Blocking sout of object #1

P02

4

Calculation units

P30

-

N.A.

P03

4

Values Displayed-Rounding

P31

14

Sound velocity at 20

°

C

P04

5

Maximum measuring distance

P32

14

Specific gravity

P05

6

Minimum measuring dist. (Close-end blocking)

P33

-

N.A.

P06

7

Far-end blocking

P34

-

N.A.

P07

-

N.A.

P35

-

N.A.

P08

-

N.A.

P36

-

N.A.

P09

-

N.A.

P37

-

N.A.

P10

8

Value assigned to 4 mA current output

P38

-

N.A.

P11

8

Value to 20 mA current output

P39

-

N.A.

P12

8

Error indication by the current output

P40

15

Tank/silo shape / Appliances, formula, data

P13

9

Relay function

P41

15

Tank/silo dimensions / Flume/weir dimensions

P14

9

Relay parameter – Setpoint value

P42

15

Tank/silo dimensions / Flume/weir dimensions

P15

9

Relay parameter – Setpoint value

P43

15

Tank/silo dimensions / Flume/weir dimensions

P16

9

Relay parameter – Pulse rate

P44

15

Tank/silo dimensions / Flume/weir dimensions

P17

-

N.A.

P45

15

Tank/silo dimensions / Flume/weir dimensions

P18

-

N.A.

P46

17

Dist. btw. transducer face and level of Q=0

P19

-

N.A.

P47

21

Linearisation

P20

10

Damping

P48

-

N.A.

P21

-

N.A.

P49

-

N.A.

P22

10

Dome top tank compensation

P50

-

N.A.

P23

-

N.A.

P51

-

N.A.

P24

11

Target tracking speed

P52

-

N.A.

P25

11

Selection of Echo in the measuring window

P53

-

N.A.

P26

12

Level elevation rate (filling speed)

P54

-

N.A.

P27

12

Level elevation rate (emptying speed)

P55

-

N.A.

Summary of Contents for EasyTREK SCA-300 Series

Page 1: ...AMMING MANUAL For SCA 3 4 models with HART 1st edition Manufacturer NIVELCO Process Control Co H 1043 Budapest Dugonics u 11 Tel 36 1 369 7575 Fax 36 1 369 8585 E mail sales nivelco hu http www nivelc...

Page 2: ...aximum measuring distance ofm the unit X M Factory default P04 X M Maximumof the unit range Factory default P05 X B Close end blocking X B Max measuring distance of the application H Programming P04 H...

Page 3: ...Output 8 1 3 Relay Output 9 1 4 Measurement Optimisation 10 1 5 Volume Calculation 15 1 6 Volume Flow Measuring 16 1 7 32 Point Linearisation Curve 21 1 8 Service Parameters 21 1 9 Additional Paramet...

Page 4: ...S AND PROGRAMMING 1 1 Measurement Configuration P00 cba Application Engineering Units Programming of this parameter will result in loading the factory default with the corresponding engineering units...

Page 5: ...01 b0 only the Distance if P01 b5 the Distance the Level the Volume and the Flow can be displayed Exception if P01 b2 or b4 a Measurement Mode Display symbol 0 Distance DIST 1 Level LEV 2 Level in per...

Page 6: ...w Err4 Obviously the decimal position will be shifted with increasing value displayed See table at the left Values over one million will be displayed in exponential format whereas the value e represen...

Page 7: ...smitters m ft SCA 38_ 6 20 SCA 36_ 10 33 Keep in mind that LEVEL as the result of the measurement P04 H value programmed DISTANCE measured by the device Since the accuracy of level and all further cal...

Page 8: ...g distance i e the dead band Manual close end blocking P05 Xm Manual close end blocking would be used for example to block out the echo originating from the bottom rim of a stand off pipe or from any...

Page 9: ...el is above the blocked out range The calculation of level and volume will be based on the programmed tank dimensions therefore the measured or calculated process values will not be influenced in any...

Page 10: ...nt can be made so that the proportion between the change of the measured or calculated process value and the change of the current output be either direct or inverse E g lev 1m assigned to 4mA and lev...

Page 11: ...P15 Time Energised De energised P14 P15 There is a need to set in level min 20mm hysteresis between P14 and P15 1 Relay is energised in case of Echo Loss 2 Relay is de energised in case of Echo Loss 3...

Page 12: ...d applicable 3 10 recommended recommended 4 30 recommended recommended 5 60 recommended recommended 6 100 applicable applicable 7 300 applicable applicable 8 600 not applicable not applicable 9 1000 n...

Page 13: ...w is formed around the echo signal The position of this measuring window determines the flight time for calculation of the distance of the target the picture below can be seen on the test oscilloscope...

Page 14: ...e emptying speed Use these parameters to provide additional protection against echo loss in applications with very heavy fuming These parameters must not be smaller than the fastest possible filling e...

Page 15: ...rate filling speed preset in P26 3 Immediate In case of echo loss the display will immediately change to no Echo and the outputs will change according to the Error Indication Mode preset in P12 4 No e...

Page 16: ...here the gas is more or less homogeneous If it is not the accuracy of the measurement can be improved using the 32 point linearisation P48 P49 For sound velocities in various gases see section Sound V...

Page 17: ...tanding rectangular tank silo with chute P41 P42 P43 P44 P45 b3 Lying cylindrical tank shape value of b as bellow bottom P40 b P41 P42 04 Spherical tank P41 FACTORY DEFAULT 00 P41 45 Tank silo dimensi...

Page 18: ...674 6 h1 556 2 91 570 120 P46 06 GPA 1P7 Q l s 1014 9 h1 556 4 4 890 130 P46 07 GPA 1P8 Q l s 1368 h1 5638 5 8 1208 135 P46 08 Nivelco Parshall flume GPA 1P9 Q l s 2080 5 h1 5689 8 7 1850 150 P46 09 G...

Page 19: ...the level where the volume flow is 0 FACTORY DEFAULT 0 Flume Weir Dimensions P40 00 08 Nivelco Parshall flumes GPA1P1 GPA 1P9 For further details see the Manual of the Parshall flume Sensor P46 Sensor...

Page 20: ...D 2 flume Q m3 s f h1 P41 P412 5 where h1 m h P41 10 P04 P46 h P41 D D 10 P40 11 Palmer Bowlus D 3 flume Q m3 s f h1 P41 P412 5 where h1 m h P41 10 P04 P46 h P41 D D 10 P40 12 Palmer Bowlus Rectangul...

Page 21: ...P42 m 15 0 1 h m 10 Q m3 s 5 073 P42 h1 5 Accuracy 10 P46 P42 h P40 15 Suppressed rectangular or BAZIN weir 0 001 Q m3 s 5 0 15 P41 m 0 8 0 15 P42 m 3 0 015 h m 0 8 Q m3 s 1 7599 1 0 1534 P41 P42 h 0...

Page 22: ...47 Accuracy 3 h P46 P42 P04 P40 19 THOMSON 90 notch weir 0 0002 Q m3 s 1 0 05 h m 1 Q m3 s 1 320 h2 47 Accuracy 3 P46 P04 h 90 P40 20 Circular weir 0 0003 Q m3 s 25 0 02 h m 2 Q m3 s m b D2 5 m 0 555...

Page 23: ...Overall operating hours of the unit Indication varies according to the elapsed time Operating hours Indication form 0 to 999 9h xxx x 1000 to 9999h xxxx Over 9999h X xx e meaning x xx 10e P61 h Time...

Page 24: ...ent conditions Over 70 Excellent Between 70 and 30 Good Under 30 Unreliable P75 Blocking Distance The actual close end blocking distance is displayed Provides useful information if automatic blocking...

Page 25: ...nd a better location 7 No signal received within the measuring range specified in P04 and P05 Review programming also look for installation mistake 12 Linearisation table error L 1 and L 2 are both ze...

Page 26: ...ror indication by the current output P40 15 Tank silo shape Appliances formula data P13 9 Relay function P41 15 Tank silo dimensions Flume weir dimensions P14 9 Relay parameter Setpoint value P42 15 T...

Page 27: ...hing cycle of the relay P85 N A P64 21 Actual temperature of the transducer P86 N A P65 21 Maximum temperature of the transducer P87 N A P66 21 Minimum temperature of the transducer P88 N A P67 N A P8...

Page 28: ...Argon Ar 319 1 Bensol C6H6 183 4 Carbon dioxide CO2 268 3 Carbon monoxide CO 349 2 Carbon tetrachloride CCl4 150 2 Chlorine Cl2 212 7 Dimethyl ether CH3OCH3 213 4 Ethane C2H6 327 4 Ethanol C2H3OH 267...

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