Endress+Hauser Silometer FMC 672 Z Скачать руководство пользователя страница 30 | Manualshive

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5.1

Linearization for a cylindrical, horizontal tank

This mode is used when you have a cylindrical tank which lies horizontally: the probe
must have a ground tube or the liquid must conduct. The Silometer FMC 672 Z/677 Z
transmitter uses a stored linearization table which requires the entry of the tank diameter
and tank volume for its calculations.

Procedure

Step

Matrix

Entry

Significance

1

V9H5/V3H5/V3H6

Reset and commission transmitter, see Section 4.1.

2

V3H0

e.g. 0

Select units to be used for calibration, 0 = level, 1 = volume

3

-

»E«

Registers entry

4

V2H7

e.g. 10

Enter tank dia. (for level, in units to be used for calibration)

5

-

»E«

Register entry

6

V2H8

e.g. 200

Enter tank volume in the units you require
-

If 100 is entered, the system measures in % vol.

7

-

»E«

Register entry

8

V2H0

1

Select horizontal cylinder mode

9

-

»E«

Press »E« to activate linearization

10

V0H1/V0H2

…

Calibrate, as described in Sections 4.2

…

4.3 or Chapter 8

11

V0H0/V0H9 -

V0H0 indicated volume, V0H9 level before linearization

Note!

•

Omit step 1, transmitter reset, when the second linearization is being entered

•

Channel 2 is linearized at V6H7, V6H8 and V6H0 and calibrated at V4H1 and V4H2
respectively; display at V4H0/V4H9, units selection V7H0.

•

If the calibration is to be in

volume units

(V3H0/V7H0 = 1),

the sequence of steps

must be exactly as shown above

•

When V3H0/V7H0 = 1, the entry at V2H7/V6H7 fixes the end value for the display at
V0H9/V4H9.

BA064E39

Units must correspond to
those used for calibration

Diameter:

V2H7/V6H7

Volume

V2H8/V6H8

M

a

x. m

easuri

n

g

rang

e

0%

10%

20%

90%

100%

level

Volume

»full«
V0H2/V4H2

»empty«
V0H1/V4H1

Fig. 5.2:

Parameters required for

linearization of the Silometer

FMC 672 Z/677 Z for a horizontal

cylinder

Silometer FMC 672 Z/677 Z

Chapter 5: Linearization

28

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Содержание Silometer FMC 672 Z

Страница 1: ...silometer FMC 672 Z 677 Z Level Measurement Installation and Operating Instructions BA 064 00 en 06 03 015576 1000 Software 3 x Hauser Endress The Power of Know How...

Страница 2: ...calibration V0H2 V4H2 Fill vessel 60 100 full Enter level in m ft etc Press E to register entry 4 0 4 mA signal V0H3 V0H5 V0H6 V4H3 V4H5 V4H6 Enter 0 for 0 20 mA 1 for 4 20 mA signal Press E to regist...

Страница 3: ...lue Move decimal point to left Move decimal point to right Registers entry and quits mode Breaks off entry without storing value Measured value Bar chart Matrix selection Relay status red de energised...

Страница 4: ...y 26 4 6 Locking the parameter matrix 26 5 Linearization 27 5 1 Linearization for a cylindrical horizontal tank 28 5 2 Linearization for a tank with conical outlet 29 5 3 Other linearization modes 32...

Страница 5: ...E DC Capacitance probes 11500 Z 11961 Z 21561 Z electronic insert EC 37 47 Z FEC 12 HMC 37 47 Z FMC 470 FMC 671 672 Z FMX 570 Z FMX 770 SIF 100 110 Continuous level measurement for overspill protectio...

Страница 6: ...Silometer FMC 672 Z 677 Z Notes on Safety 4...

Страница 7: ...ommission the Silometer for the standard application of continuous level measurement Chapter 5 Linearization tells you how to calibrate the Silometer to measure volume in a horizontal cylindrical tank...

Страница 8: ...rcuits conforming to EEx ia IIC and IIB A list of certificated combinations is to be found in Notes on Safety preceding this chapter 0 4 20 mA 0 2 10V outputs Min max relays Silometer FMC 672 Z 677 Z...

Страница 9: ...ase communication is controlled by a ZA 672 Modbus Gateway see Fig 1 3 or any other ZA 67 Gateway Versions The Silometer is available in two versions FMC 672 Z with display and front panel controls wi...

Страница 10: ...d diameter of probe L length of probe immersed in product in meters For vessels with a diameter greater than 1 m the capacitance varies by approx 12 pF per meter of covered probe Measurement in conduc...

Страница 11: ...de a corrected level measurement on channel 1 by using a reference probe connected to channel 2 Analogue output The signal resulting from the calibration and linearisation provides a standard 0 4 20 m...

Страница 12: ...stants zero frequency fo and sensitivity S printed on the name plate Note these constants and enter them into fields V3H5 V3H6 and V7H5 V7H6 during commissioning Section 4 1 This dispenses with the ne...

Страница 13: ...etween Racksyst cards and foreign transmitters 3 Install intrinsically safe transmitters to the left of the rack Install foreign cards first Install dummy panels between all foreign transmitters and b...

Страница 14: ...C 672 Z 677 Z transmitter and Monorack housing are to be mounted at an exposed site then it is recommended that they be installed in the protective housing degree of protection IP 55 which is availabl...

Страница 15: ...transmitters only can be inserted at these points The pins must be inserted if the rack is not custom built by Endress Hauser Rackbus 2 1 z2 z4 L L 20 V 30 V z30 d32 d2 d4 ZA 67 d10 b10 z18 d20 z20 z...

Страница 16: ...can be connected in parallel to the voltage output provided that all potentials are related to negative terminal of the 24 V supply RL 10 kOhm Only one non floating device can be connected to each of...

Страница 17: ...printed in black are valid for Silometer FMB cards If you are installing the Silometer FMB in a Monorack I housing please note that there is no jumper switch In addition for the 24 V version the dummy...

Страница 18: ...The electronic inserts EC 37 Z and EC 47 Z have two measuring ranges which can be selected by inserting a bridge between terminals 4 and 5 of the insert see Figs 2 9 Full instructions on selection of...

Страница 19: ...A 672 ZA 67 operation as indicated contact nearest the backplane connector Set a unique device address between 0 and 63 at the address switch When off each switch has the value 0 When on each switch i...

Страница 20: ...rical Equipment Class A compatibility Interference Immunity to EN 61326 Outputs Analogue output 0 20 mA 4 20 mA selectable RL max 500 0 10 V 2 10 V selectable RL min 10 k Relays Two independent relays...

Страница 21: ...gram TI 113 A matrix card reproduced at the back of this manual is delivered with the Silometer FMC 672 Z 677 Z transmitter Current matrix position Silometer FMC 672 display Parameter at current matri...

Страница 22: ...ating Matrix position indicator BA064E22 Fig 3 3 Front panel of the Silometer FMC 672 Z transmitter Keys Function Matrix selection Press V to select the vertical position Press H to select the horizon...

Страница 23: ...unications LED LIghts when communicating Fig 3 4 Silometer FMC 677 Z Showing front panel and Commulog VU 260 Z key functions Keys Function Matrix selection Select matrix position Escape key selects th...

Страница 24: ...entering a number between 670 and 679 at V9H5 Sensor constants Enter the sensor constants fo and S printed on the electronic insert see Chapter 2 Section 2 1 at fields V3H5 V3H6 for channel 1 and V7H5...

Страница 25: ...ing points must be set in the same units Procedure Step Matrix Entry Significance 1 V0H1 e g 10 Fill the vessel until the sensor is covered 0 40 and enter the level you wish to have displayed 2 E Regi...

Страница 26: ...ntry Significance 1 V0H1 e g 50 hl Fill the vessel until the sensor is just covered 0 40 and enter the volume or weight you wish to have displayed 2 E Register entry 3 V0H2 e g 450 hl Fill the vessel...

Страница 27: ...ed i e when the liquid reaches the calibrated zero level the display must indicate say 250 m3 The value 250 is entered Step Matrix Entry Significance 1 V3H4 e g 250 Enter amount by which the display i...

Страница 28: ...ntries for the 0 4 mA and 20 mA value at V0H5 V4H5 and V0H6 V4H6 control the 10 step LCD bar diagram V0H8 V4H8 Actual measuring frequency Displays the frequency which is actually measured by the probe...

Страница 29: ...l entry are described in Sections 5 1 and 5 2 all others in Section 5 3 Two important rules must be observed when performing a linearization All level or volume entries must be made in the units you h...

Страница 30: ...V2H0 1 Select horizontal cylinder mode 9 E Press E to activate linearization 10 V0H1 V0H2 Calibrate as described in Sections 4 2 4 3 or Chapter 8 11 V0H0 V0H9 V0H0 indicated volume V0H9 level before...

Страница 31: ...H1 V6H1 0 manual 1 automatic At the end of the linearization the system measures in the volume units selected e g m3 ft3 t Use the Tables overleaf to enter your values Note You must enter at least two...

Страница 32: ...e linearization table 4 E Register entry 5 V2H1 0 Select manual entry of values 6 E Register entry 7 V2H2 1 30 Enter table entry number 8 E Register entry 9 V2H3 e g 0 Enter volume in required units 1...

Страница 33: ...on table 17 E Press E to activate linearization Note For this procedure the tank can be filled for calibration and emptied for linearization Omit step 1 transmitter reset when the second linearization...

Страница 34: ...actory linearization is stored in the Silometer FMC 672 Z 677 Z transmitter by viewing matrix position V2H6 V6H6 A number means a factory linearization is stored A 0 means there is no factory lineariz...

Страница 35: ...2 Significance Default value V0H3 V4H3 Analogue range 0 0 20 mA 0 10 V 1 4 20 mA 2 10 V 0 V0H4 V4H4 Output damping in seconds 1 V0H5 V4H5 0 4 mA value in units used for calibration or linearization 0...

Страница 36: ...ization indicate the start and end of range values of the analogue signal output and also control the 10 step LCD display The parameters to be entered are 0 4 mA value V0H5 for output 1 and V4H5 for o...

Страница 37: ...1 is entered at V1H3 or V5H3 The choice is made at field V0H7 or V4H7 whereby 0 10 of full scale 2 mA 1V default value 1 110 of full scale 22 mA 11V 2 hold value at fault held Proceed as follows Step...

Страница 38: ...nts are entered in the units selected during calibration and linearization i e No linearization level units entered No linearization calibration in volume units volume units entered Linearization volu...

Страница 39: ...act as a minimum or maximum limit switch entries are made as V1H1 for relay 1 and V5H1 for relay 2 0 minimum fail safe the relay de energises if the level or volume drops below the value entered at V...

Страница 40: ...7 3 summarizes the possibilities 7 2 Relay operating modes Depending on the hysteresis settings several operating modes are possible as a limit switch as a two point control with one relay Fig 7 1 7...

Страница 41: ...witches on again Step Matrix Entry Significance 1 V1H0 e g 1900 Switch point 1 1900 2 E Register entry 3 V1H1 1 Maximum fail safe mode 4 E Register entry 5 V1H2 e g 400 Hysteresis 400 the relay energi...

Страница 42: ...0 e g 1800 Switch point relay 1 1800 4 E Register entry 5 V1H1 1 Maximum fail safe mode 6 E Register entry 7 V1H2 e g 1600 Hysteresis 1600 the relay energises again at 200 8 E Register entry 9 V5H0 e...

Страница 43: ...r limit V1 electronic insert electronic insert capacit level capacit frequency H2 H1 analog digital current voltage sens Hz pF offset Hz offset pF sens pF cm range upper limit V2 range lower limit V1...

Страница 44: ...constants fo and S from the electronic insert see Section 2 1 Regulation of level to give minimum and maximum for both probes Preliminaries Step Matrix Entry Significance 1 V9H5 671 Reset transmitter...

Страница 45: ...ame units as used for probe 1 2 E Register entry 3 V4H2 e g 5 m With level at maximum enter level in same units as used for probe 2 4 E Register entry 5 V0H0 Indicates level measured by probe 1 V4H0 I...

Страница 46: ...the same length as the insulated rod In the case of vertical installation a reference probe must be chosen with an inactive length screening equal to or slightly longer than the length of the measurin...

Страница 47: ...r S value of reference probe 8 E Register entry Level calibration Step Matrix Entry Significance 1 V4H2 100 With tank empty enter 100 sets correction factor to 1 2 E Register entry 3 V4H1 0 0 With tan...

Страница 48: ...he selected measuring range or last measured value hold see Chapter 6 the limit value relays assume fail safe mode as specified in fields V1H3 and V5H3 see Chapter 7 A diagnostic message is given in F...

Страница 49: ...rence in measured values Channel 1 2 too large Check calibration linearization etc E 600 E 601 Warning PFM transmission internal code check can be ignored if it appears only briefly E 602 E 603 Warnin...

Страница 50: ...te Reference probe and measuring probe are not matched as required see Section 8 2 Check rod diameter ground pipe or shield insulating material etc 0 4 20 mA outputs do not function correctly Check al...

Страница 51: ...culated Throughout the simulation the red alarm LED flashes to indicate that the instrument is no longer measuring the alarm relay does not however trip Frequency simulation Step Matrix Entry Signific...

Страница 52: ...gnificance 1 V3H5 e g 101 Enter zero frequency offset for probe at channel 1 2 E Register entry 3 V3H6 e g 1 052 Enter sensitivity for probe at channel 1 4 E Register entry 5 V7H5 V7H6 For channel 2 r...

Страница 53: ...use Empty calibration V0H1 Full calibration V0H2 Select output range V0H3 0 0 20 mA 0 10 V 1 4 20 mA 2 10V Set output damping V0H4 Set 0 4 mA value V0H5 Set 20 mA value V0H6 Set output at fault V0H7 0...

Страница 54: ...ull calibration V0H2 Select output range V0H3 0 0 20 mA 0 10 V 1 4 20 mA 2 10V Set output damping V0H4 Set 0 4 mA value V0H5 Set 20 mA value V0H6 Set output at fault V0H7 0 10 2 mA 1 V 1 110 22 mA 11V...

Страница 55: ...eset parameters V9H5 Enter fo V3H5 V7H5 Enter S V3H6 V7H6 Select mode V8H0 0 Channels 1 and 2 1 2 Channel 1 2 5 with reference probe Level or volume calibration V3H0 V7H0 0 level 1 volume Enter tank d...

Страница 56: ...2 Select output range V0H3 0 0 20 mA 0 10 V 1 4 20 mA 2 10V Set output damping V0H4 Set 0 4 mA value V0H5 Set 20 mA value V0H6 Set output at fault V0H7 0 10 2 mA 1 V 1 110 22 mA 11V 2 last measurement...

Страница 57: ...V0H1 Reference probe covered Enter 100 V4H2 Full calibration V0H2 Minimum level V8H3 Select output range V0H3 0 0 20 mA 0 10 V 1 4 20 mA 2 10V Set output damping V0H4 Set 0 4 mA value V0H5 Set 20 mA...

Страница 58: ...it switches 36 45 Linearization 9 27 32 Horizontal cylinder 28 Manual entry of characteristic 29 M Measured value display 26 Measurement principle 8 Measuring system 7 Monorack installation 12 Monorac...

Страница 59: ...Silometer FMC 672 Z 677 Z Operating matrix...

Страница 60: ...y field The default parameters are as indicated below H0 H1 H2 H3 H4 H5 H6 H7 H8 H9 V0 0 0 100 0 0 1 0 0 100 0 1 V1 90 0 1 2 0 0 1 V2 0 0 1 0 0 0 0 1 100 100 V3 0 0 0 10 0 1 000 0 0 0 0 100 0 1 V4 0 0...

Страница 61: ...1 as V4 V0H7 Relay 2 1 channel 1 2 channel 2 V6 Linearisation Channel 2 Linearization 0 linear 1 hor cylinder 2 factory 3 manual 4 clear 3 Level input mode 0 manual 1 auto Table No 1 30 Input Volume I...

Страница 62: ...Silometer FMC 672 Z 677 Z Operating matrix...

Страница 63: ...Silometer FMC 672 Z 677 Z Operating matrix...

Страница 64: ...042 56993 Fax 042 50981 Brazil Samson Endress Hauser Ltda Sao Paulo Tel 011 50313455 Fax 011 50313067 Canada Endress Hauser Ltd Burlington Ontario Tel 905 6819292 Fax 905 6819444 Chile Endress Hauser...

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