Endress+Hauser FMX 570 User manual

silometer

FMX 570

Level Measurement

Operating Instructions

BA 119F/00/en/06.03

016338-1000

Software Version 1.x

FMX 570

Hauser+Endress

The Power of Know How

Level Measurement at a Glance

*Can be performed in reverse order

Function Matrix Action

1 Reset transmitter V9H5 ●Enter 671: »+« and »-« keys, ⇒ changes digit

Press »E« to register entry

- Omit if commissioned as in Section 4.1

2 »Empty« calibration* V0H1 ●Fill vessel 0…40% full (probe covered)

Enter level in %, m, ft, etc.

Press »E« to register entry

3 »Full« calibration* V0H2 ●Fill vessel 60…100% full

Enter level in %, m, ft, etc.

Press »E« to register entry

4 0/4 mA signal V0H3

V0H5

V0H6

●Enter 0 for 0…20 mA signal, 1 for 4…20 mA signal

Press »E« to register entry

●Enter level for 0/4 mA signal (if not 0)

Press »E« to register entry

●Enter level for 20 mA signal (if not 100)

Press »E« to register entry

Silometer FMX 570 Measurement at a Glance

Silometer FMX 570

Selects vertical matrix position

Selects horizontal matrix position

Select position V0H0

Selects next digit

Move decimal point

Increases value of digit

Decreases value of digit

Registers entry

0 100

FMX 570

Measured

value

Bar chart

Matrix

selection

Parameter entry

Alarm relay

lit: fault

Matrix position

Test sockets for

0/4…20 mA output

See also »Controls«, Chapter 3

Measurement at a Glance Silometer FMX 570

Table of Contents

Measurement at a Glance

Notes on Safety . . . . . . . . . . . . 3

1 Introduction . . . . . . . . . . . . . 5

1.1 Application . . . . . . . . . . . . . . . 6

1.2 Measuring principle . . . . . . . . . . . 7

2 Installation . . . . . . . . . . . . . . 8

2.1 Probes and sensors . . . . . . . . . . . 8

2.2 Silometer installation . . . . . . . . . . . 9

2.3 Transmitter wiring . . . . . . . . . . . . 11

2.4 Sensor connection . . . . . . . . . . . . 13

2.5 Technical data: Silometer FMX 570 transmitter . 14

3 Controls . . . . . . . . . . . . . . . 15

3.1 Commutec operating matrix . . . . . . . . 15

3.2 Configuration and display . . . . . . . . . 16

4 Calibration and Operation . . . . . . . 17

4.1 Commissioning . . . . . . . . . . . . . 17

4.2 Calibration for level measurement . . . . . . 18

4.3 Calibration for linear volume or weight

measurement . . . . . . . . . . . . . . 19

4.4 »Dry calibration« for open vessels . . . . . 20

4.5 Level offset value . . . . . . . . . . . . 22

4.6 Measured value display . . . . . . . . . 23

4.7 Locking the parameter matrix . . . . . . . 23

5 Linearization . . . . . . . . . . . . . 24

5.1 Linearization for a horizontal cylindrical tank . 25

5.2 Linearization for a tank with conical outlet . . 26

5.3 Other modes . . . . . . . . . . . . . . 29

6 Analogue Outputs . . . . . . . . . . 30

6.1 Analogue output settings . . . . . . . . . 31

7 Trouble-Shooting . . . . . . . . . . . 33

7.1 Trouble-shooting tables . . . . . . . . . 33

7.2 Simulated operating mode . . . . . . . . 35

7.3 Exchanging transmitters, probes and electronic

inserts . . . . . . . . . . . . . . . . 36

7.4 Repairs . . . . . . . . . . . . . . . . 37

8 Quick programming guide . . . . . . . 38

8.1 Level measurement . . . . . . . . . . . 38

8.2 Continuous volume measurement (linearization) 39

Index . . . . . . . . . . . . . . . . 40

Operating matrix

Silometer FMX 570 Table of Contents

Notes on Safety

The Silometer FMX 570 is a level measurement transmitter which can be used with a

variety of probes and sensors. It must be installed by qualified personnel according to

the instructions in this manual.

CertificatesThe Silometer FMX 570 transmitter is available with certificate. The Table below indicates

the combinations available and conditions for installation. Full details can be taken from

the certificates. Please note that where quoted technical data differs from that listed in

Section 2.5, that in the certificate applies.

Certificate Instruments Notes

TÜV 00 ATEX 1640 Silometer FMC 671 Z/676 Z II (1) GD,

[EEx ia] IIC/IIB,

install outside Ex-area

PTB 98 ATEX 2215 X DC 12 TE, DC .. TE .,

DC .. E ., DC ..

Capacitance probes

11500 Z(M), 11961 (Z),

21561 (Z)

with electronic insert

EC 16/17/27/37/47 Z,

FEC 12,

HTC 16/17/27 Z, HTC 10 E,

HMC 37/47 Z

II 1/2 G, II 2 G,

EEx ia IIC/IIB T6

PTB 98 ATEX 2215 X DC 12 TE, DC .. TE .,

DC .. E ., DC ..

Capacitance probes

11500 Z(M), 11961 Z,

21561 Z

with electronic insert

EC 17/37/47 Z, FEC 12

II 1 G,

EEx ia IIC/IIB T6

PTB 98 ATEX 2094 DB 50, DB 50 L,

DB 51, DB 52, DB 53

II 1/2 G, II 2 G,

EEx ia IIC T4…T6

DIBt No. Z-65.11-29 Silometer FMX 570,

DB 50…52

with electronic insert

FEB 17 / FEB (17) P

Continuous level measurement

for overspill protection in stationary

vessels

(for storage of non-combustible,

water-polluting liquids)

Silometer FMX 570 Notes on Safety

Safety conventions

In order to highlight safety-relevant or alternate operation procedures in the manual the

following conventions have been used, each indicated by a corresponding icon in the

margin.

Note!

•A note highlights actions or procedures which, if not performed correctly, may

indirectly affect operation or may lead to an instrument response which is not

planned.

Caution!

•Caution indicates actions or procedures which, if not performed correctly, may lead

to personal injury or incorrect functioning of the instrument.

Warning!

•A warning indicates actions or procedures which, if not performed correctly, will

lead to personal injury, a safety hazard or destruction of the instrument.

Notes on Safety Silometer FMX 570

1 Introduction

Quick Operating GuidesThe front cover contains short instructions for continuous level measurement with the

default parameters.

In this manualUsers unfamiliar with the Silometer FMX 570 must read the operating instructions, which

are structured as follows:

•Chapter 1: Introduction;

contains general information including application, measurement

principle and functional description.

•Chapter 2: Installation;

contains hardware configuration, installation instructions.

connection diagrams and technical data for the plug-in card.

•Chapter 3: Controls;

describes the front panel keys and operating matrix.

•Chapter 4: Calibration and Operation;

tells you how to commission the Silometer for level measurement.

•Chapter 5: Linearization;

tells you how to calibrate the Silometer to measure volume in a

horizontal cylindrical tank or a tank with a conical outlet.

•Chapter 6: Analogue Outputs;

describes in detail the setting of the 0/4…20 mA signal line.

•Chapter 7: Trouble-Shooting;

contains a description of the self-checking system with error

messages, the simulation feature as well as instructions for

configuration on replacement of the transmitter, probe or electronic

insert.

•Chapter 8: Short Operating Guide

contains a flowcharts for level and volume measurements

•Chapter 9: Index;

lists key words to help you find information quickly.

•Chapter 10: Operating Matrix

contains the operating matrix, the default parameters and a table to

enter your operating parameters,

Further documentationInstallation of the probes, electronic inserts and accessories are described in the

documentation accompanying these articles - see text for references. When installing

probes in explosion hazardous areas the instructions included in the accompanying

probe certification must also be observed.

Silometer FMX 570 Chapter 1: Introduction

1.1 Application

The Silometer FMX 570 is designed for level measurement with a capacitance or

hydrostatic pressure probe in safe or explosion hazardous areas. It possesses an

intrinsically-safe sensor circuit conforming to EEx ia IIC and IIB. A list of certificated

combinations is to be found in »Notes on Safety« preceding this chapter. A working

system for level measurement comprises:

•Silometer FMX 570 transmitter,

•Capacitance, Multicap or Deltapilot S probe

•Electronic insert

Silometer function The capacitance or pressure measured by the sensor is converted into a frequency

signal by the electronic insert located in its head. The Silometer FMX 570 supplies the

power and receives a level-proportional frequency signal over a two-core cable. The

signal is then processed to provide a level or volume measurement.

Fail-safe operation If a fault condition is detected, e.g. a break in sensor - transmitter cable, the analogue

signal switches to -10 % or +110 % level or holds the last measured value. In addition,

the alarm relay de-energises.

FMX 570

mA1

0/4...20 mA,

0/2...10V

output

Silometer

FMX 570

transmitter

Liquids

Bulk solids

Channel 1

Ex non-Ex

BA119Y01

Fig. 1.1:

Standard application showing

Silometer FMX 570 controlling

level measurement

➀

Capacitance probe

➁

Deltapilot

frequency

analog

digital

current

voltage

sens. [Hz/pF]offset [Hz]

offset [pF] sens. [pF/cm]

range upper limit

range lower limit

frequency

electronic-

insert electronic-

insert

capacit./

pressure

volume

V1level

volume

level

cap./press.

level zero point shift

BA119E08

Fig. 1.2

Signal processing in the

Silometer FMX 570

Chapter 1: Introduction Silometer FMX 570

1.2 Measuring principle

The Silometer FMX 570 measures level on the basis of the capacitance and hydrostatic

measurement principles. In both cases the measured value is processed by the

electronic insert and passed on as a frequency signal.

The probe and vessel form the two plates

of a capacitor, the total capacitance of

which can then be calculated from the

formula:

Ctot =C

1 + 2πε0εrx L pF (1)

--------------------------------

ln (D/d)

whereby

Ctot = total capacitance

C1= capacitance or feed through

ε0= dielectric constant of air

εr= rel. dielectric constant of product

D= diameter of vessel

d= diameter of probe

L= length of probe immersed in

product in meters

If the product conducts, the capacitance is

determined by the thickness and

properties of the insulating material

surrounding the probe. Equation (1)

applies, whereby the variable D is now the

diameter of the probe with insulation. In this

case the capacitance varies by approx.

300 pF/m.

Measurement is independent of dielectric

constant and not affected by changes in

this variable.

In an open vessel, the level is derived from

the hydrostatic pressure exerted by a

column of liquid on a probe placed at its

foot. The pressure exerted is:

p1=ρx g x h (2)

whereby

p1= hydrostatic pressure

ρ= density of the liquid

g = acceleration due to gravity

h = height of the liquid column.

Assuming a constant density, the level of

the liquid can be calculated from the

pressure measured by the Deltapilot.

BA119Y05

Fig. 1.3

Capacitance measurement principle

BA119E06

dConducting

product

Fig. 1.4

Measurement in conducting media

BA119Y07

p1= ρx g x h

atmospheric

pressure

Fig. 1.5

Hydrostatic measurement principle

Capacitance

measurement

Hydrostatic

measurement

Measurement in

conducting media

Silometer FMX 570 Chapter 1: Introduction

2 Installation

This Chapter describes:

•The probes for use with the Silometer FMX 570

•Silometer installation in a rack or Monorack housing

•Transmitter wiring

•Sensor connection.

•Technical data.

Warning!

•The Silometer FMX 570 transmitter must be installed outside explosion hazardous

areas.

2.1 Probes and sensors

Table 2.1 lists the probes most frequently used with the Silometer FMX 570 transmitter.

In addition to those listed, all probes which can be used with an EC 37 Z or EC 47 Z

electronic insert can be connected to the transmitter. Installation hints can be taken from

the appropriate Technical Information Sheet.

Sensor constants Deltapilot S sensors and EC 37 Z/47 Z inserts for capacitance probes are supplied with

the sensor constants zero frequency »fo« and sensitivity »∆f« or »S«. For Deltapilot S

sensors the constants are printed on a label stuck inside the sensor head, for inserts

they are printed on the name plate, see Fig. 7.1, Section 7.3.

Note these constants and enter them into fields V3H5 and V3H6 during commissioning,

Section 4.1. This dispenses with the need for a recalibration of the transmitter on

replacement of the sensor or insert.

Principle Probe TI sheet Insert

Capacitance,

Multicap

11 500 Z TI 161F

Multicap DC 11 TI 169F

Multicap DC 16 TI 096F

Multicap DC 21 TI 208F

Multicap DC 26 TI 209F

Multicap TA TI 239F

Multicap TE TI 240F

Multicap E TI 242F

Multicap A TI 243F

EC 37 Z

EC 47 Z

FEC 12

Hydrostatic pressure Deltapilot S TI 031F

DB 50...53 TI 257P

FEB 17 (P)

Table 2.1:

Selection of probes suitable for

use with the Silometer FMX 570

Cell

type Electronic insert FEB 17/FEB 17 P

Range f0∆fRange f

0∆f

0.1 bar BA 0…100 mbar 200 10 DA -100…100 mbar 200 5

0.4 bar BB 0…400 mbar 200 2.5 DB -400…400 mbar 200 1.25

1.2 bar BC 0…1200 mbar 200 0.833 DC -900…1200 mbar 200 0.476

4.0 bar BD 0…4000 mbar 200 0.25 DD -900…4000 mbar 200 0.204

Table 2.2:

Measuring ranges and sensor

constants of the

Deltapilot S DB 5x

Silometer FMX 570 Chapter 2: Installation

Table of contents

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