Endress+Hauser Silometer FMC 672 Z Bedienungsanleitung

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

Procedure

*Can be performed in reverse order

Function Channel

1Channel

2Action

1 Reset transmitter V9H5 ●Enter 671:

Use »+« and »-« keys, ⇒ changes digit

Press »E« to register entry

- Omit for second channel and if

commissioned as in Section 4.1

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

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 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

5 Relay 1 V1H0

V1H1

V5H0

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

Silometer FMC 672 Z/677 Z Measurement at a Glance

FMC 672 Z

FMC 677 Z/Commulog VU 260 Z

Selects vertical matrix position

Selects horizontal matrix position

Select positon V0H0

Selects next digit

Move decimal point

Increases value of digit

Decreases value of digit

Registers entry

Select matrix position

Selects position V0H0

Calls error diagnosis

Calls entry mode

Select next digit

Increase and decrease value

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

green: energised

Parameter entry

Commulog

sockets

Alarm relay

lit: fault

Current output

check

Matrix position

0 100

mA2

mA1

FMC 672 Z

mA2

mA1

FMC 677 Z

Relay status

red: de-energised

green: energised

Commulog

sockets

Alarm relay

lit: fault

Current output

check

See also »Controls«, Chapter 3

Silometer FMC 672 Z/677 Z Measurement at a Glance

Table of Contents

Measurement at a Glance . . . . 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

2 Installation . . . . . . . . . . . . . . 10

2.1 Probes and sensors . . . . . . . . . . . 10

2.2 Silometer installation . . . . . . . . . . . 11

2.3 Transmitter wiring . . . . . . . . . . . . 13

2.4 Sensor connection . . . . . . . . . . . . 16

2.5 Hardware configuration . . . . . . . . . . 17

2.6 Technical data: Silometer FMC 672 Z/677 Z

transmitter . . . . . . . . . . . . . . . 18

3 Controls . . . . . . . . . . . . . . . 19

3.1 Commutec operating matrix . . . . . . . . 19

3.2 Configuration and display:

Silometer FMC 672 Z . . . . . . . . . . . 20

3.3 Configuration and display:

Silometer FMC 677 Z . . . . . . . . . . . 21

4 Calibration and Operation . . . . . . . 22

4.1 Commissioning . . . . . . . . . . . . . 22

4.2 Calibration: level measurement . . . . . . 23

4.3 Calibration: volume measurement . . . . . . 24

4.4 Level offset . . . . . . . . . . . . . . . 25

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

6 Analogue Outputs . . . . . . . . . . . 33

6.1 Analogue output settings . . . . . . . . . 34

7 Limit Switches . . . . . . . . . . . . 36

7.1 Control parameters . . . . . . . . . . . 37

7.2 Relay operating modes . . . . . . . . . . 38

8 Other Applications . . . . . . . . . . 41

8.1 Differential level measurement . . . . . . . 42

8.2 Level measurement with reference probe . . 44

9 Trouble-Shooting . . . . . . . . . . . 46

9.1 Trouble-shooting tables . . . . . . . . . 46

9.2 Simulated operating mode . . . . . . . . 49

9.3 Exchanging transmitters, probes and

electronic inserts . . . . . . . . . . . . 50

9.4 Repairs . . . . . . . . . . . . . . . . 50

10 Quick Programming Guide . . . . . . . 51

10.1 Level measurement (2 channels) . . . . . . 51

10.2 Level measurement (Channel 1) . . . . . . 52

10.3 Linearization for horizontal cylinder or

conical outlet . . . . . . . . . . . . . 53

10.4 Differential level measurement . . . . . . . 54

10.5 Level measurement with reference probe . . 55

Index . . . . . . . . . . . . . . . . 56

Operating Matrix . . . . . . . . . . . 58

Silometer FMC 672 Z/677 Z Table of Contents

Notes on Safety

The Silometer FMC 672 Z/677 Z 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 FMC 672 Z/677 Z 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 2.6, that in the certificate applies.

Certificate Instruments Notes

PTB 02 ATEX 2203 X Silometer FMC 672 Z/677 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)

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

electronic insert EC 17/37/47 Z, FEC 12

II 1 G,

EEx ia IIC/IIB T6

Z-65.13-107 DC 12 TE, DC .. TE ., DC .. 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 protection in

stationary vessels

(for storage of non-combustible,

water-polluting liquids)

German Lloyd

GL No. 97517 HH

Silometer FMC 672 Z

Capacitance probes

electronic insert EC 37 or EC 47

electronic insert EC 17 Z

Level indication on channel 1

(EC 37 Z or EC 47 Z)

Level limit detection on channel 2

(EC 17 Z)

Suitable for unlimited use within

the rules

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

Silometer FMC 672 Z/677 Z Notes on Safety

1 Introduction

Quick Operating GuidesThe front cover contains short instructions for the standard set-up, continuous level

measurement with capacitance probes, which is used in 80% of applications.

For Users familiar with the operating matrix of Endress+Hauser Commutec transmitters

in general and the Silometer FMC 672 Z/677 Z in particular, a Quick Operating Guide for

the most important operating modes is to be found in Chapter 10.

In this manualUsers unfamiliar with the Silometer FMC 672 Z/677 Z must read the operating

instructions. Since it is not possible to describe all applications in detail, the standard

application used in 80% of all applications, continuous level measurement, has been

used as the basis for the functional description. Other applications as listed in Section 1.1

are described in Chapter 8. The 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 for the plug-in card.

•Chapter 3: Controls;

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

and ZA 672.

•Chapter 4: Calibration and Operation;

tells you how to commission 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 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: Limit Switches;

describes in detail the setting of the relays.

•Chapter 8: Other Applications;

describes the configuration of the Silometer for further applications not

covered in Chapter 4.

•Chapter 9: 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 10: Quick Programming Guide;

provides configuration flowcharts for the principle applications.

•Chapter 11: Index;

lists key words to help you find information quickly.

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

of the Silometer FMC 672 Z/677 Z.

•BA 028 Commulog VU 260 Z handheld terminal

•BA 054 ZA 672 Modbus Gateway

Installation 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 FMC 672 Z/677 Z Chapter 1: Introduction

1.1 Application

The Silometer FMC 672 Z/677 Z is designed for level measurement on one or two

channels with a capacitance or impedance probe. The applications described in this

manual are as follows:

•Continuous level measurement (Chapter 4)

•Volume measurement in horizontal or conical tanks (Chapter 5)

•Differential level measurement (Chapter 8)

•Continuous level measurement with reference probe (Chapter 8).

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

and possess intrinsically-safe sensor circuits 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

transmitter

BA064E01

Liquids

Bulk solids

Channel 1

non-Ex

Channel 2

Fig. 1.1:

Standard application showing

Silometer FMC 672 Z controlling

level measurement

➀

in liquids

➁

in bulk solids

level 1

BA064E02

difference

h2- h1

Fig. 1.2:

Level difference measurement

with rake control by

Silometer FMC 672

Right:

Silometer FMC 672 Z used for

continuous level measurement

with reference probe

①

Measuring probe

②

Reference probe

Channel 2 Channel 1

Level

Channel 2

Channel 1

BA064E03

Ex non-Ex

Silometer FMC 672 Z/677 Z Chapter 1: Introduction

1.2 Measuring system

A working system for level measurement comprises:

•Silometer FMC 672 Z/677 Z transmitter,

•Capacitance or impedance probe

•Electronic insert EC 37 Z or EC 47 Z.

The Silometer may operate as a stand alone unit with standard 0/4…20 mA and 0/2…10 V

outputs. Two relays, freely assignable to channel 1 or 2, can be used to control pumps,

valves, annuciators etc.. An alarm relay monitors the correct functioning of the

measurement point and trips on fault condition. If controlled remotely with other

Commutec transmitters within a process control system, the Silometer is addressed by

the Rackbus. In this case, communication is controlled by a ZA 672 Modbus Gateway,

see Fig 1.3, or any other ZA 67…Gateway.

VersionsThe Silometer is available in two versions:

•FMC 672 Z with display and front panel controls, with remote configuration

facilities,

•FMC 677 Z for remote configuration by Commulog VU 260 Z handheld

terminal or via ZA 67…/672 interface.

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

can be found in Chapter 3.

BA064E04

Commutec transmitters

Rackbus

Personal

computer or

PC system

Programmable logic

controller with Modbus port

Sensors Actuators

RS-232C interface

Modbus interface

ZA 370

ZA 371

ZA 672

Fig. 1.3

The Silometer FMC 672 Z/677 Z

can be used as a stand-alone

unit or as part of a process

control system

Silometer FMC 672 Z/677 Z Chapter 1: Introduction

1.3 Measuring principle

The Silometer FMC 672 Z/677 Z measures level on the basis of the capacitance/

impedance measurement principle. The measured value processed by the electronic

insert and passed on as a frequency signal.

Capacitance/impedance

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

For vessels with a diameter greater than 1 m, the capacitance varies by approx. 12 pF

per meter of covered probe.

Measurement in

conducting media If the product conducts, the capacitance is

determined by the thickness and quality 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.

BA064E05

Fig. 1.4

Capacitance measurement principle

BA064E06

dConducting

product

Fig. 1.5

Measurement in conducting media

Silometer FMC 672 Z/677 Z Chapter 1: Introduction

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