Endress+Hauser Prolevel FMC 662 Bedienungsanleitung

prolevel

FMC 662

Capacitance Level

Measurement

Installation and Operating Instructions

BA 143F/00/en/06.03

016563-1000

valid for Software 1.x

Hauser

Endress

The Power of Know How

Short Instructions

..Quick configuration for level measurement

Function Matrix

Ch 1 Ch 2 Action

1Reset transmitter

Operating mode

V9H5

V8H0

●Enter 672, press »E« to register entry

- Omit if commissioned as in Section 4.1

•●Enter 0 = channels 1+2, 1 = channel 1, 2 = channel 2

Press »E« to register entry

2»Empty« calibration* V0H1 V4H1 ●Fill vessel 0…40% full (probe covered)

Enter level in %, m, ft, etc.

Press »E« to register entry

3»Full« calibration* V0H2 V4H2 ●Fill vessel 60…100% full

Enter level in %, m, ft, etc.

Press »E« to register entry

40/4 mA signal V0H3 V4H3

V0H5 V4H5

V0H6 V4H6

●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

5Channel 1

Relays 1a and 1b

Channel 2

Relays 2a and 2b

V1H0 V5H0

V1H1 V5H1

●Enter level for switching in calibration units

Press »E« to register entry

●Enter fail-safe mode: 0 = minimum, 1 = maximum

Press »E« to register

* Can be performed in reverse order

4 yellow relay LEDs,

1 red alarm LED,

1 green operation LED LC display

Operation

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

Short Instructions Prolevel FMC 662

Endress+Hauser

Table of Contents

Short Instructions . . . . . . . front cover

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

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

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

1.2 Measuring system . . . . . . . . . . . . 7

1.3 Measuring principle . . . . . . . . . . . . 8

1.4 Functional description . . . . . . . . . . . 9

1.5 Technical data: Prolevel FMC 662 transmitter . 10

2 Installation . . . . . . . . . . . . . . 12

2.1 Probes . . . . . . . . . . . . . . . . 13

2.2 Prolevel FMC 662 installation . . . . . . . 14

2.3 Transmitter wiring . . . . . . . . . . . . 15

2.4 Probe connection . . . . . . . . . . . . 16

2.5 Rackbus RS-485 communications option . . 17

3 Controls . . . . . . . . . . . . . . . 18

3.1 Operating matrix . . . . . . . . . . . . 18

3.2 Keyboard and display . . . . . . . . . . 19

3.3 Commulog VU 260 Z . . . . . . . . . . 20

3.4 Rackbus RS-485 (option) . . . . . . . . . 21

4 Level Measurement . . . . . . . . . . 22

4.1 Commissioning . . . . . . . . . . . . 23

4.2 Calibration . . . . . . . . . . . . . . 24

4.3 Analogue Outputs . . . . . . . . . . . 28

4.4 Relays . . . . . . . . . . . . . . . . 30

4.5 Measured value display . . . . . . . . . 32

4.6 Parameter locking . . . . . . . . . . . 32

5 Other Operating Modes . . . . . . . . 33

5.1 Differential level measurement . . . . . . 34

5.2 Level measurement with reference probe . . 35

6 Trouble-Shooting . . . . . . . . . . . 37

6.1 Fault recognition . . . . . . . . . . . . 37

6.2 Incorrect measurements . . . . . . . . . 39

6.3 Simulated operating mode . . . . . . . . 40

6.4 Exchanging transmitters and sensors . . . . 41

6.5 Repairs . . . . . . . . . . . . . . . . 41

7 Appendix . . . . . . . . . . . . . . . 42

7.1 Calibration and linearisation in volume units . 42

Index . . . . . . . . . . . . . . . . 44

Operating Matrix . . . . . . . . . . . 46

Prolevel FMC 662 Table of Contents

Endress+Hauser 1

Table of Contents Prolevel FMC 662

2Endress+Hauser

Notes on Safety

Approved usageThe Prolevel FMC 662 is a field transmitter for level measurement which can be used

with a variety of capacitance probes. It has been designed to operate safely in

accordance with current technical and safety standards, and must be installed by

qualified personnel according to the instructions in this manual.

The manufacturer accepts no responsibility for any damage arising from incorrect use,

installation or operation of the equipment. Changes or modifications to the equipment

not expressly approved in the operating manual or by the bodies reponsible for

compliance may void the user’s authority to operate the equipment.

CertificatesThe Prolevel FMC 662 transmitter is available with certificate of conformity for use with

probes installed in hazardous areas. 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 1.5, that

in the certificate applies.

Certificate Instruments Notes

PTB 99 ATEX 2090 Prolevel FMC 661/662,

FMB 662

II (1) GD,

[EEx ia] IIC,

install outside Ex-area

CSA

LR 53988-81

FMC 662 Class I, II, III

Div. I

Groups A-G

J.I. 0Z2A7.AX

FMC 662 Class I, II, III

Div. I

Groups A-G

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

Prolevel FMC 662 Notes on Safety

Endress+Hauser 3

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

Note!

Warning!

Caution!

Notes on Safety Prolevel FMC 662

4Endress+Hauser

1 Introduction

The Prolevel FMC 662 is a field transmitter for level measurement with capacitance

probes. It may be installed, commissioned and maintained by authorised personnel only.

The operating manual must have been read and understood before the equipment is

installed: instructions are to be followed exactly.

In this manualSince it is not possible to describe all applications in detail, the standard application,

continuous level measurement on channels 1 and 2, has been used as the basis for the

functional description. Other applications as listed in Section 1.1 are described in

Chapter 5. The operating instructions 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.

•Chapter 3: Controls;

describes operation with the front panel keys, Commulog VU 260 Z,

and via the Rackbus RS 485 interface.

•Chapter 4: Calibration and Operation;

tells you how to commission the Prolevel for the standard

application including calibration, linearisation, analogue outputs,

relays and locking the parameter matrix.

•Chapter 5: Other Operating Modes;

describes differential level measurement and level measurement

with a reference probe

•Chapter 6: 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 7: Appendix:

contains a flowchart for calibration and linearisation using

volume units.

•Index: lists key words to help you find information quickly.

Short instructionsShort instructions for the standard set-up, continuous level measurement, which is used

in 80% of applications, are to be found in the front cover. We advise you to commission

as described in Section 4.1. before using this procedure as this ensures that probes can

be exchanged without the need for re-calibration.

Further documentationIn addition to this manual, the following publications provide information on configuration

of the Prolevel FMC 662.

•BA 028F Commulog VU 260 Z handheld terminal

•BA 134F Rackbus RS 485

The installation of the probes, electronic inserts and accessories is 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.

Prolevel FMC 662 Chapter 1: Introduction

Endress+Hauser 5

1.1 Application

The Prolevel FMC 662 is designed for level measurement on one or two channels with a

capacitance probe. The applications described in this manual are as follows:

•Level or volume measurement …Chapter 4

•Differential level measurement …Chapter 5

•Level measurement with a reference probe …Chapter 5.

Prolevel transmitters may also be used for applications in explosion hazardous areas

and possess intrinsically-safe sensor circuits conforming to EEx ia IIC. A list of certificated

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

0/4...20 mA limit relays

Prolevel FMC 662

transmitter

BA143_01

Liquids

Bulk solids

hazardous area safe area

Channel 2

Channel 1

alarm

relay

Fig. 1.1:

Standard application showing

Prolevel FMC 662 controlling

level measurement

➀

in bulk solids

➁

in liquids

channel 2

BA143_02

difference

h2- h1level

channel 1

Fig. 1.2:

Left:

Prolevel FMC 662 used for level

difference measurement with

screen control

Right:

Prolevel FMC 662 used for level

measurement with reference

probe

➀

Measuring probe

➁

Reference probe

channel 2

channel 1

BA143_03

hazardous area safe area

level

Chapter 1: Introduction Prolevel FMC 662

6Endress+Hauser

1.2 Measuring system

A working system for level measurement comprises:

•Prolevel FMC 662 transmitter,

•Capacitance probe for level measurement

•Electronic insert EC 37 Z or EC 47 Z

The Prolevel may operate as a stand alone unit with standard 0/4…20 mA output; two

sets of two relays, freely assignable to channel 1 or 2, can be used to control pumps,

valves, annunciators etc.. Alternatively, the Prolevel may be operated remotely over the

optional Rackbus RS 485 interface, either direct from a personal computer or as part of

a process control system. Connection to Modbus, Profibus or FIP networks can be

realised through the gateways ZA 672, ZA 673 or ZA 674 respectively.

VersionsThe Prolevel is available in two versions:

•With display and front panel controls,

•Without display and front panel controls — in this case the transmitter must be

configured by the Commulog VU 260 Z handheld terminal or over the optional

Rackbus RS-485 interface.

In all other respects, the two versions are identical. More details on controls and operation

can be found in Chapter 3.

BA143_04

Prolevel transmitters (and other units with Rackbus RS-485)

Rackbus RS-485

Personal computer with

operating software, e.g.

Commutool, Commuwin,

Commugraph

alternative

FXA 675 + ZA 67x

supervisory network

RS-485 adapter or PC card

Fig. 1.3:

The Prolevel FMC 662 can be

used as a stand-alone unit, see

Figs 1.1 and 1.2 or as part of

an operating system.

An RS-485 adapter or PC card

allows direct connection to a

personal computer, the FXA 675

and gateway ZA 67x connection

to a supervisory system using

the Modbus, Profibus or FIP

protocol

Prolevel FMC 662 Chapter 1: Introduction

Endress+Hauser 7

1.3 Measuring principle

The Prolevel FMC 662 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.

Capacitance

measurement 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 (8.85)

εr= rel. dielectric constant of product

D= diameter of vessel

d= diameter of probe

L= length of probe immersed in

product in meters

Measurement in

conducting media If the product conducts, the capacitance is

now 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.

BA143_05

Fig. 1.4:

Capacitance measurement principle

BA143_06

dConducting

product

insulation

Fig. 1.5:

Measurement in conducting media

Chapter 1: Introduction Prolevel FMC 662

8Endress+Hauser

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