Siemens Milltronics ILE-37 Manuel utilisateur

Instruction Manual September 2003

ILE-37

milltronics

Safety Guidelines

Warning notices must be observed to ensure personal safety as well as that of others, and to

protect the product and the connected equipment. These warning notices are accompanied

by a clarification of the level of caution to be observed.

Qualified Personnel

This device/system may only be set up and operated in conjunction with this manual.

Qualified personnel are only authorized to install and operate this equipment in accordance

with established safety practices and standards.

Warning: This product can only function properly and safely if it is correctly transported,

stored, installed, set up, operated, and maintained.

Note: Always use product in accordance with specifications.

Instruments Inc.2003.AllRights ReservedDisclaimer of Liability

This document is available in bound version and in

electronic version. We encourage users to

purchase authorized bound manuals, or to view

electronic versions as designed and authored by

Siemens Milltronics Process Instruments Inc.

Siemens Milltronics Process Instruments Inc. will

not be responsible for the contents of partial or

whole reproductions of either bound or electronic

versions.

While we have verified the contents of

this manual for agreement with the

instrumentation described, variations

remain possible. Thus we cannot

guarantee full agreement. The

contents of this manual are regularly

reviewed and corrections are included

in subsequent editions. We welcome

all suggestions for improvement.

Technical data subject to change.

MILLTRONICS®is a registered trademark of Siemens Milltronics Process Instruments Inc.

Contact SMPI Technical Publications at the following address:

Technical Publications

Siemens Milltronics Process Instruments Inc.

1954 Technology Drive, P.O. Box 4225

Peterborough, Ontario, Canada, K9J 7B1

Email: techpubs@siemens-milltronics.com

For the libraryof SMPI instruction manuals, visitour Web site: www.siemens-milltronics.com

Table of Contents

Milltronics ILE-37 Sensing Head ......................................................................................1

Specifications ......................................................................................................................2

Installation ...........................................................................................................................4

Side Mount................................................................................................................................................ 4

Base Mount .............................................................................................................................................. 4

Sensing Plate............................................................................................................................................ 5

Viscous Damper....................................................................................................................................... 5

Interconnection........................................................................................................................................ 6

Non-Hazardous Unit without LVDT Conditioner Card ..........................................................6

Non-Hazardous Unit with Sensing Head Mounted LVDT Conditioner Card ..................7

Non-Hazardous Unit with Remote-Located LVDT Conditioner Card ...............................8

Calibration ............................................................................................................................9

LVDT Output.............................................................................................................................................. 9

Zero Adjustment (if required) .....................................................................................................9

Span Test .......................................................................................................................................10

Sensing Head Level Test ...........................................................................................................10

Integrator Calibration .................................................................................................................11

Zero Calibration ...........................................................................................................................11

Span Calibration ..........................................................................................................................11

Maintenance and Spare Parts ........................................................................................12

Maintenance .......................................................................................................................................... 12

Typical Maintenance Program........................................................................................................... 12

Spare Parts ............................................................................................................................................. 12

Unit Repair and Excluded Liability ..........................................................................................12

Range Springs ...................................................................................................................13

Range Spring Removal......................................................................................................................... 13

Range Spring Replacement................................................................................................................ 13

Flowmeter Recalibration ..................................................................................................................... 13

Troubleshooting .................................................................................................................14

Linearity ..............................................................................................................................15

7ML19985CW01 Milltronics ILE-37 – INSTRUCTION MANUAL Page 1

Milltronics ILE-37 Sensing Head

The Milltronics ILE-37 sensing head is an out-of-process sensing element for A, E, V, and

C series solids flowmeters. It is used for continuous in-line weighing of powdered or

granular dry bulk solid materials. The material is directed toward the sensing plate. The

horizontal impact force of the material, deflecting the sensing plate, displaces the core of

the sensing head LVDT (linear variable differential transformer). The LVDT output signal is

proportional to material flowrate. A viscous fluid damper prevents oscillation of the

mechanism and provides mechanical damping of pulsating material flow.

The ILE-37 sensing head is used with Milltronics E-40 (general purpose), C-40 (coal scale),

A-40 (aerated gravity conveyor), and V-40 (vertical material drop) dry solids flowmeters.

LVDT

moving beam travel

sensing plate

impact force

E-40 A-40 V-40 C-40

Page 2 Milltronics ILE-37 – INSTRUCTION MANUAL 7ML19985CW01

Specifications

Operating Range

• 0 to 0.2 t/h (0 to 0.2 STPH) min., 0 to 40 t/h (0 to 44 STPH) max.

Particle Size

• fine powder to 13 mm (0.5")

Product Temperature

• –40 to 232 °C (–40 to 450 °F)

Ambient Temperature

• –40 to 60 °C (–40 to 140 °F)

• –40 to 50 °C (–40 to 122 °F) with optionally internally mounted LVDT card

Accuracy

• ± 1 % of full scale, higher accuracy with linearizing function of integrator

Repeatability

•±0.2%

Construction

• dust-tight cast aluminum frame with fiberglass rear cover

Mounting

• side mount or base mount (to suit application)

Sensor Type

• LVDT (linear variable differential transformer)

LVDT Excitation

• 2.50 V AC @ 2.9 kHz (supplied byintegrator or LVDT conditioner card)

LVDT Output

• 0 – 0.75 V AC @ 2.9 kHz

Damping Fluid

• 1 – 100 cm2/s (100 – 10,000 cs) silicone (Dow Corning 200 recommended)

Options

• Epoxy paint, synergistic polymer, or PFA coating of external aluminum casting surfaces

• Epoxy painted mild steel or stainless steel rear cover

Approvals

•CE

• Optional CSA. Class I, Groups C and D; Class II, Groups E, F, and G

7ML19985CW01 Milltronics ILE-37 – INSTRUCTION MANUAL Page 3

Sensing Plate

Construction

• 304 (1.4306) stainless steel

Options

• 316 (1.4404) stainless steel

• UHMW polyurethane or Ceramic Tile abrasion resistant lining

• Synergistic polymer or PFA coating for low cohesion and low friction

LVDT Conditioner Card

Power

• ± 5 V DC (typically from a Siemens Milltronics Integrator)

Ambient Temperature

• –40 to 50 °C (–40 to 122 °F)

Input

• 0 to 1.0 V AC from LVDT

Output

• 0 to 50 mV DC to Siemens Milltronics integrator; [maximum 300 m (1000 ft) separation

between conditioner card and integrator]

Approvals

•CE

Enclosure

• NEMA 4 (remote mounted unit)

Cable

For connection between LVDT Conditioner Card and Integrator

•Belden®

18404, 4 conductor, shielded 20 AWG (0.5 mm2) or equivalent, 150 m (500 ft)

maximum

• Belden 9260, 6 conductor, shielded 20 AWG (0.5 mm2) or equivalent, 300 m (1000 ft)

maximum

For connection between LVDT and remote LVDT Conditioner Card,

or directly between LVDT and Integrator

• Belden 8404, 4 conductor, shielded 20 AWG (0.5 mm2) or equivalent, 300 m (1000 ft)

maximum

1. Belden is a registered trademark of Belden Wire & Cable Company.

Page 4 Milltronics ILE-37 – INSTRUCTION MANUAL 7ML19985CW01

Installation

The ILE-37 sensing head is available in two models: side mount and base mount. The

base mount version should be used if the flowmeter will be subjected to excessive

vibration, for flow rates below 1 t/h, or if handling product temperatures above 60 °C.

The side mount version is factory-installed on Siemens Milltronics flowmeters

designed for side mount sensing heads.

Side Mount

1. With the flowmeter housing installed, remove the ILE-37 sensing head cover.

2. Loosen the four ILE-37 mounting bolts.

3. Place a spirit level on the flat top of the ILE-37 frame: adjust the sensing head level

by rotating it, and retighten the mounting bolts.

Base Mount

1. With the flowmeter housing installed, mount the ILE-37 to a rigid support structure.

2. With the outer gasket in place, bolt the ILE-37 to the housing.

3. Adjust the sensing head levelling hardware provided, to establish level in both

horizontal planes.

Note: Ensure that the structure used to support the base mount sensing head is

capable of supporting the dynamic material impact forces as well as the static weight

of the sensing head.

mounting

bolts spirit level

spirit level

rigid

support

moving

beam

supporting/

levelling

bolts

front view side view

7ML19985CW01 Milltronics ILE-37 – INSTRUCTION MANUAL Page 5

Sensing Plate

1. Open the flowmeter housing access door.

2. Remove the sensing head cover and insert the sensing plate shaft fully into the

sensing head shaft socket*.

3. Tighten the set screw/hex screw to secure the sensing plate.

Viscous Damper

1. Remove the two damper cover shipping screws. The damper cover will be held up

by a spring.

2. If necessary, top up the damper to near overflowing with the damping fluid supplied.

3. Store the damper cover shipping screws, remaining damper fluid, and filler bottle for

future use.

*Note:Ensure the slot in the end of the shaft mates with the roll pin in the back of the

socket.

Note: The damper must be full and free of air bubbles, with the damper cover in the

UP position, during flowmeter operation.

sensingplate

sensing head

shaft roll pin

slot

set screw or hex

head screw

sensing

head

damper

filler bottle

shipping

screws

damper

cover

(Check that

there are no

bubbles.)

Page 6 Milltronics ILE-37 – INSTRUCTION MANUAL 7ML19985CW01

Interconnection

Non-Hazardous Unit without LVDT Conditioner Card

* See note below for Encapsulated (Hazardous-rated) LVDT color codes.

Note: Ground shield at Integrator only.

to LVDT

–

to Integrator

sensing

head

terminal

block

*For Encapsulated LVDT (hazardous)

YEL = WHITE

BLU = ORANGE

GRN = YELLOW

cable

clamp

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