Endress+Hauser Soliphant II FTM 30 DR Manuale utente

soliphant II

FTM30/31/32 DR

LevelLimitSwitch

Operating Instructions

Hauser+Endress

Nothing beatsknow-how

BA175F/00/en/08.98

Quick guide

Quick Start Adjusters and LEDs are on the electronic insert

in the separate housing T3.

Adjustment and function

Max.= Maximum fail-safe

Min. = Minimum fail-safe

= LED on

= LED off

Min.

Max.

<12V∆U

<4mA

FEM 41

<12V∆U

<4mA

red

Electronic insert FEM 41

for two-wire

AC power supply.

Electronic switch

FEM 44

12 345

Min.

Max.

345

red red

red

Electronic insert FEM 44

for universal power supply.

Relay output

with one potential-free

changeover contact (SPDT)

Min.

Max.

AFEM 45

43215789

71 82 93

red red

red

Switching delay

Page 20

green

Standby

Electronic insert FEM 45

for universal power supply.

Relay output

with two potential-free

changeover contacts (DPDT)

Quick guide FTM 30 DR, FTM 31 DR, FTM 32 DR

Table of Contents

1 Notes on Safety 4

1.1 Special Notes on Safety 4

1.2 Safety Conventions and Symbols 5

2 Usage 6

2.1 Application 6

2.2 Measuring System 6

2.3 Function 7

3 Installation 8

3.1 Design planning 8

3.2 Mounting 11

4 Settings 18

4.1 Selecting the fail-safe mode 18

4.2 Selecting switching delay (FEM 45) 20

5 Electrical Connection 21

5.1 Wiring 21

5.2 Connection on site 24

6 Commissioning 27

6.1 Preparations 27

6.2 Function test 27

7 Maintenance 28

8 Troubleshooting and Repair 29

8.1 Sources of error 29

8.2 Spare parts 29

8.3 Replacing spare parts 30

8.4 Checking 30

8.5 Returning the unit for repair 30

8.6 Disposal 30

9 Technical Data 31

9.1 Table to DIN 19259 31

9.2 Dimensions 33

9.3 Accessories 34

10 Index 35

FTM 30 DR, FTM 31 DR, FTM 32 DR Table of Contents

1 Notes on Safety

1.1 Special Notes on Safety

Approved usage The Soliphant FTM .. DR is used for limit detection with powdered or fine-grained solids.

See Technical Data for temperature, pressure, mechanical loads and bulk solids

characteristics.

Installation,

Commisioning,

Operation

The Soliphant has been designed to operate safely in accordance with current

technical, safety and EU standards. If installed incorrectly or used for applications for

which it is not intended, however, it is possible that application-related dangers may

arise, e.g. product overflow or explosion in a flammable atmosphere.

For this reason the instrument must be installed, connected, operated and maintained

according to the instructions in this manual; personnel must be authorized and

suitably qualified. The manual must have been read and understood, and the

instructions followed. Modifications and repairs to the device are permissible only

when they are expressly approved in the manual.

Explosion hazardous

areas If the Soliphant is to be installed in an explosion hazardous area, then the

specifications in the certificate as well as all national regulations must be observed.

Classes, Divisions and Groups are different according to FM or CSA approval,

see Product Structure.

•Ensure that all personnel are suitably qualified.

•Observe the regulations concerning measurement and safety at the measuring point.

1 Notes on Safety FTM 30 DR, FTM 31 DR, FTM 32 DR

4 Endress+Hauser

1.2 Safety Conventions and Symbols

In order to highlight safety-relevant operating procedures in the manual, the following

conventions have been used, each indicated by a corresponding icon.

Symbol Meaning

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.

Safety conventions

Caution!

Caution highlights actions or procedures which, if not performed correctly, may lead to

personal injury or incorrect functioning of the instrument.

Warning!

A warning highlights actions or procedures which, if not performed correctly, may lead to

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

Device certified for use in explosion hazardous area

If the device has this symbol embossed on its name plate it can be installed or its cabling

laid in an explosion hazardous area

Explosion protection

Explosion hazardous area

Symbol used in drawings to indicate explosion hazardous areas.

– Devices located in and wiring entering areas with the designation

"explosion hazardous areas" must conform with the stated type of protection.

Safe area (non-explosion hazardous area)

Symbol used in drawings to indicate, if necessary, non-explosion hazardous areas.

– Devices located in safe areas still require a certificate if their outputs run

into explosion hazardous areas.

Direct voltage

A terminal to which or from which a direct current or voltage may be applied or supplied. Electrical symbols

Alternating voltage

A terminal to which or from which an alternating (sine-wave) current or voltage may be

applied or supplied.

Grounded terminal (earth connection)

A grounded terminal, which as far as the operator is concerned, is already grounded by

means of an earth grounding system.

Protective grounding (earth) terminal

A terminal which must be connected to earth ground prior to making any other connection

to the equipment.

Equipotential connection (earth bonding)

A connection made to the plant grounding system which may be of type e.g. neutral star

or equipotential line according to national or company practice.

Note!

Caution!

Warning!

FTM 30 DR, FTM 31 DR, FTM 32 DR 1 Notes on Safety

Endress+Hauser 5

2 Usage

2.1 Application

Soliphant is a rugged limit switch for silos containing powdered or fine-grained solids,

including those with very low bulk densities.

The material must be pourable, i.e. it must not stick or bake on.

The various versions ensure it can be used in a wide range of applications, including

explosion-hazardous areas and foodstuffs.

The instruments are designed for use in industrial applications.

Typical applications:

grain, flour, milk powder, cocoa, sugar, animal feed,

washing powders, dyes, chalk, plaster, cement, plastic granules

2.2 Measuring System

The components of the measuring system are:

•Soliphant II

– FTM 30 DR compact sensor

– FTM 31 DR with extension tube

– FTM 32 DR with rope

•Separate housing with electronic insert

– FEM 41 for two-wire alternating power supply

– FEM 44 for universal power supply

and relay output with one potential-free switchover contact (SPDT)

– FEM 45 for universal power supply

and relay output with two potential-free switchover contacts (DPDT)

•Control systems or signal devices that may be connected such as miniature

contactors, alarm transmitters or programmable logic controllers

e.g.FTM 31 DR e.g.FTM 32 DR

e.g. FTM 30 DR

BA175Y01

Fig.1

A Limit switch for two-wire

AC power supply

B Limit switch

for universal power supply

with one

changeover contact

C Limit switch

for universal power supply

with two

changeover contacts

2 Usage FTM 30 DR, FTM 31 DR, FTM 32 DR

6 Endress+Hauser

2.3 Function

The symmetrical vibrating fork is excited to its resonant frequency. When the fork is

covered by material, the vibrations are damped.

The tip of the fork is especially sensitive and makes it ideal for the limit detection of

materials that have a very low bulk density.

In contrast, the base of the fork is very insensitive and is therefore unaffected by

material build-up on the vessel walls.

The signal of the sensor is converted into a switching signal by the electronic insert in

the separate housing.

Soliphant can be operated in both minimum or maximum fail-safe mode, i.e. the

electronic switch opens or the relay de-energises when the minimum or maximum

level is reached, on fault or on power failure.

Min.

Max.

345

FEM 41 SPDT

FEM 44 DPDT

FEM 45

Level

Fail-safe

mode

Electronic inserts

BA175Y02

Fig.2

The function of the electronic

switch or relay depends on the

level and fail-safe mode

FTM 30 DR, FTM 31 DR, FTM 32 DR 2 Usage

Endress+Hauser 7

3 Installation

3.1 Design planning

General information Height of the switch point at the device:

Switching will occur

– if the tip of the fork is covered by high-density material to several millimetres,

– if the tip of the fork is covered by low-density and loosely-packed material

to several centimetres.

Pneumatic conveying systems:

Turbulence can cause error switching. The Soliphant should thus be mounted away

from air and material flows or is protected from strong air currents.

Inspecting or cleaning the silo:

Install the oscillating fork in a protected area.

Mounting in the open:

Install a protective hood for the Soliphant.

It protects the field-mounted Soliphant from condensation in the sensor housing F6

due to extreme temperature variations.

Soliphant FTM 30 DR The compact Soliphant FTM 30 DR can be mounted in any position in a bulk solids

vessel. See Fig. 3 for types of installation.

Take into account the angle of the mound or outflow funnel when determining the

height of the installation point.

(~250 mm)

~10 in ~8 in

~8 in

(~200 mm)

~20°

(~200 mm)

max. 2.4 in

(60 mm)

BA175Y03

Fig.3

Left:

correct mounting

a) top-mounted;

fork vertical but at any

orientation

b) laterally mounted,

fork angled slightly downwards

so that material can slide off

more easily

c) with shield,

length approx.10 in (250 mm),

width approx. 8 in (200 mm),

to protect against collapsing

mounds

d) in discharge hopper;

max.nozzle length 2.4 in

(60 mm), so that no build-up

occurs which prevents the fork

from oscillating

Right:

incorrect mounting

e) in filling curtain

f) fork orientation incorrect

(broad tine surface is

subjected to high load caused

by discharging material;

malfunction due to residual

material)

g) mounting nozzle too long

3 Installation FTM 30 DR, FTM 31 DR, FTM 32 DR

8 Endress+Hauser

Soliphant FTM 31 DRThe Soliphant FTM 31 DR with extension tube e.g.

– if mounting is only possible from above

– if the switch point is to be altered using the sliding sleeve (accessory)

– with heavy build-up on the silo wall (mounting from above or from the side)

Take into account the angle of the mound or outflow funnel:

– for calculating the required length of the sensor when ordering a

Soliphant FTM 31 DR

– for calculating the length of the mounting nozzle and mounting point, if you have an

instrument with a specific length.

The Soliphant FTM 31 DR may not be shortened!

Mounting from above:

Mount in the centre of the discharge hopper order to keep the lateral load caused by

discharging material to a minimum; or close to the vessel wall with an extra fastening

near to the fork.

Mounting from the side:

Only order the length of extension tube required as very strong forces can affect the

Soliphant due to outflowing material or when homogenising the material.

Fasten a very long Soliphant extension tube by using a tight-fitting nozzle or fastener.

Maximum length of a mounting nozzle:

Length of the Soliphant from process connection to the tip of the fork minus 7 in

(170 mm).

Check that there is enough space outside the silo for mounting.

c) d)

BA175Y04

Fig.4

a) Plate to protect against

inflowing material

b) Sliding sleeve for infinite

adjustment of the switch point

c) sufficient space for mounting

d) Protective hood against

condensation in the housing

FTM 30 DR, FTM 31 DR, FTM 32 DR 3 Installation

Endress+Hauser 9

Soliphant FTM 32 DR The Soliphant FTM 32 DR with rope if e.g.

– only top-mounting is possible

– there is strong build-up on the silo wall

– there is strong vibration of the silo

Take into account the angle of the mound or outflow funnel:

– for calculating the required length of the sensor when ordering a Soliphant

FTM 32 DR

– for calculating the length of mounting nozzle required and mounting point,

if you have an instrument with a specific length.

The Soliphant FTM32 DR may be shortened (with rope shortening set accessory).

The rope length cannot be increased.

The instrument should not be installed at the centre of the hopper but as near to the

vessel wall as possible in order to keep tension caused by discharging material to a

minimum. It should not, however, be so close that it touches the wall when it swings.

Check the stability of the roof and the tension acting on the rope. The tension caused

by material outflow is usually much higher with powders than with granular materials.

The Soliphant must be mounted outside the material stream when using pneumatic

conveying systems.

a) b) c) d) e)

BA175Y05

Fig.5

Left:

correct mounting

a) next to the silo wall,

but with enough distance

from it and from material

build-ups

b) protected against material

flow

Right:

incorrect mounting

c) too near to the wall

and material build-up

d) in the centre of

the discharge hopper

e) in filling curtain

f) laterally mounted

3 Installation FTM 30 DR, FTM 31 DR, FTM 32 DR

10 Endress+Hauser

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