4B Digimatic DML4W Manuale utente

www.go4b.com

Digimatic™

RADIO FREQUENCY (RF) CAPACITANCE

POINT LEVEL INDICATOR

INSTALLATION INSTRUCTIONS

OPERATION MANUAL

Part No DML4W

CUSTOMER SAFETY RESPONSIBILITIES Page 4 - 5

PRODUCT OVERVIEW Page 6

SPECIFICATIONS Page 6

DIMENSIONS Page 7

INSTALLATION Page 8

STANDARD WIRING DIAGRAM Page 9

SENSOR OPERATION Page 10 - 11

SENSOR CALIBRATION Page 12 - 13

POWER SHIELD OVERVIEW Page 14

TESTING AND COMMISSIONING Page 15

TROUBLESHOOTING GUIDE Page 15

PARTS AND ACCESSORIES Page 16

PRODUCT WARRANTY Page 17

TABLE OF CONTENTS

PAGE 4

Dear 4B Customer:

Congratulations on your purchase. 4B appreciates your business and is pleased you have chosen our

products to meet your needs.

Please read in its entirety and understand the literature accompanying the product before you place the

product into service. Please read the safety precautions carefully before operating the product. With each

product you purchase from 4B, there are some basic but important safety considerations you must follow

to be sure your purchase is permitted to perform its design function and operate properly and safely, giving

you many years of reliable service. Please read and understand the Customer Safety Responsibilities

listed below. Failure to follow this safety directive and the Operation Manuals and other material furnished

or referenced, may result in serious injury or death.

SAFETY NOTICE TO OUR CUSTOMERS

A. In order to maximize e󰀩ciency and safety, selecting the right equipment for each operation is vital.

The proper installation of the equipment, and regular maintenance and inspection is equally important

in continuing the proper operation and safety of the product. The proper installation and maintenance

of all our products is the responsibility of the user unless you have asked 4B to perform these tasks.

B. All installation and wiring must be in accordance with Local and National Electrical Codes and

other standards applicable to your industry. The installation of the wiring should be undertaken by

an experienced and qualied professional electrician. Failure to correctly wire any product and/or

machinery can result in the product or machine failing to operate as intended, and can defeat its design

function.

C. Periodic inspection by a qualied person will help assure your 4B product is performing properly. 4B

recommends a documented inspection at least annually and more frequently under high use conditions.

D. Please see the last page of this manual for all warranty information regarding this product.

CUSTOMER SAFETY RESPONSIBILITIES

1. READ ALL LITERATURE PROVIDED WITH YOUR PRODUCT

Please read all user, instruction and safety manuals to ensure that you understand your product operation

and are able to safely and e󰀨ectively use this product.

2. YOU BEST UNDERSTAND YOUR NEEDS

Every customer and operation is unique, and only you best know the specic needs and capabilities of

your operation. Please go to www.go4b.com or call the 24-hour hotline at +1-309-698-5611 for assistance

with any questions about the performance of products purchased from 4B. 4B is happy to discuss product

performance with you at any time.

PAGE 5

3. SELECT A QUALIFIED AND COMPETENT INSTALLER

Correct installation of the product is important for safety and performance. If you have not asked 4B to

perform the installation of the unit on your behalf, it is critical for the safety of your operation and those

who may perform work on your operation that you select a qualied and competent electrical installer to

undertake the installation. The product must be installed properly to perform its designed functions. The

installer should be qualied, trained, and competent to perform the installation in accordance with local

and national electrical codes, all relevant regulations, as well as any of your own standards and preventive

maintenance requirements, and other product installation information supplied with the product. You

should be prepared to provide the installer with all necessary installation information to assist in the

installation.

4. ESTABLISH AND FOLLOW A REGULAR MAINTENANCE AND INSPECTION SCHEDULE FOR

YOUR 4B PRODUCTS

You should develop a proper maintenance and inspection program to conrm that your system is in good

working order at all times. You will be in the best position to determine the appropriate frequency for

inspection. Many di󰀨erent factors known to the user will assist you in deciding the frequency of inspection.

These factors may include but are not limited to weather conditions; construction work at the facility; hours

of operation; animal or insect infestation; and the real-world experience of knowing how your employees

perform their jobs. The personnel or person you select to install, operate, maintain, inspect or perform

any work whatsoever, should be trained and qualied to perform these important functions. Complete

and accurate records of the maintenance and inspection process should be created and retained by you

at all times.

5. RETAIN AND REFER TO THE OPERATION MANUAL FOR 4B’S SUGGESTED MAINTENANCE

AND INSPECTION RECOMMENDATIONS

As all operations are di󰀨erent, please understand that your specic operation may require additional

adjustments in the maintenance and inspection process essential to permit the monitoring device to

perform its intended function. Retain the Operation Manual and other important maintenance and service

documents provided by 4B and have them readily available for people servicing your 4B equipment.

Should you have any questions, please call go to www.go4b.com or call the 24-hour hotline at +1-309-

698-5611.

6. SERVICE REQUEST

If you have questions or comments about the operation of your unit or require the unit to be serviced

please contact the 4B location who supplied the product or call us via our 24-hour hotline number in the

USA (309-698-5611). Please have available product part numbers, serial numbers, and approximate

date of installation. In order to assist you, after the product has been placed into service, complete the

online product registration section which is accessed via our website www.go4b.com.

PRODUCT OVERVIEW

The DIGIMATIC is a  xed point Level Controller incorporating a microcomputer which is used to automatically

calibrate the probe to suit the material being detected. Full manual override facilities are included.

The DIGIMATIC employs a power shield to minimise the e󰀨ect of material adhering to the probe making it

ideal for detecting most materials including sticky or viscous types. It is equally suited to both liquids and

solids. The probe may be a solid rod, metal plate or wire rope. The self contained DIGIMATIC is normally

supplied with a loose probe, available as a stainless steel rod in standard lengths of 100mm, 1 metre or 2

metres, or as a 10 metre wire rope suspension probe and weight.

The probe should be screwed to the DIGIMATIC. Prior to attachment, the probe length can be reduced or

increased, if desired, but see notes a) and b) regarding minimum surface area.

NOTES:-

The DIGIMATIC sensitivity is proportional to the surface area of the probe. When using a 16mm dia. probe the minimum length

to use, for the majority of materials, is 200mm. This should be treated as the minimum if

possible.

If the probe length needs to be reduced to less than 200mm, the surface area should be maintained. This can be achieved by

increasing the diameter, by tting a metal tube over the probe, or by bending the probe rod. In certain high density materials it

may be possible to reduce the length without compensation.

SPECIFICATIONS

Power Supply - 110V/230V ac 50/60 Hz or 24V dc (Stabilised) (+6.5% to -10%).

Operating Temp. - -20° C to 50° C

Output - S.P.C.O 240 VAC Contacts Rated at 2.5 Amps non-inductive

Mounting - Via 1” BSP Parallel thread

Fail Safe - Low Level or High Level (Selectable)

Calibration - Push Button (With or Without Material)

LED Display - Measured Values (Covered, Uncovered, Trip)

LED Indicator - Material Detection

Time Delay - 0 - 128 second variable. (prevents false signaling from splashing).

Probes - Stainless Steel, available in 100mm, 1 metre, 2 metre, or 10 metre wire rope

Conduit Entry - Two conduit entry tapped 20mm (One blind, drill out to use).

Enclosure - Modied Polyamide 66.

Protection - IP65

Earth Bonding - Earth stud located on exterior of main case. This stud must be connected to

earth, bonded to container or metalwork of container and exterior of armour

cabling, if used

PAGE 6

PAGE 7

DIMENSIONS

ALL DIMENSIONS

IN MM

PAGE 8

INSTALLATION

A thread locking compound is already applied to the probe xing stud of the Digimatic. This will prevent the

probe rod from vibrating loose. Once tted, the compound is fully hardened after 20 minutes.

IMPORTANT: If the probe rod is removed from the unit for any reason, a thread locking compound must

be applied before the rod is retted.

When mounting all versions of the Digimatic, care must be taken to ensure that the power shield is properly

installed.

DIGIMATIC will operate on 110V/230V ac 50/60Hz or 24V dc supplies. The unit may be wired in ordinary

un-screened cable of any length and need not be separated from other cables.

A SUPPLY EARTH IS ESSENTIAL!

When mounting the DIGIMATIC, care must be taken to ensure that the exposed end of the power shield

protrudes into the container.

Mount unit securely to minimise vibration. Connect in accordance with the standard wiring diagram, and

set High/Low switch to required position (see below), ensure that cable gland and back cover are fully

tightened when nished. The DIGIMATIC has two 20mm cable entries, one of which is blank, the blank

may be drilled out carefully if required; it must not be knocked out.

The unit should be wired and earthed in accordance with appropriate Electrical Regulations. The unit must

beearthedandtheterminalMUSTbe bonded to the earth bond stud.Onmetalcontainers,unitearthMUST

be bonded to the container. If the container is non-metallic, metal  anges or couplings used to mount probe

should be bonded to earth. This also applies to probes mounted in wooden or plastic tops of metal bins.

Fail Safe Setting

The “High/Low” switch, sets the fail safe mode. In the “High” position, the relay is de-energised with material present. In the

“Low” position, the relay is energised with material present. Normally, the “High” position is used for high level probes and the

“Low” for low level probes. Intermediate probe settings depend upon individual requirements.

WARNING

Proper spacing of the power shield is vital for correct operation. For questions regarding proper spacing

of the power shield to the vessel wall, contact 4B.

PAGE 9

All wiring must be In accordance with local and national electrical codes and should

be undertaken by an experienced and qualied electrician.

A thread locking compound is already applied to the probe xing stud of the

DIGIMATIC. This will prevent the probe rod from vibrating loose. Once tted, the

compound is fully hardened after 20 minutes.

IMPORTANT: If the probe rod is removed from the unit for any reason. a thread

locking compound must be applied before the rod is retted.

STANDARD WIRING DIAGRAM

SENSOR OPERATION

PAGE 10

FAIL SAFE SETTING -

The “High/Low” switch (D - Image D), sets the fail safe mode. In the “High” position, the relay is energized

without material present. In the “Low” position, the relay is energized with material present. Normally,

the “High” position is used for high level probes and the “Low” position for low level probes. Intermediate

probe settings depend upon individual requirements.

ELECTROSTATIC RISK - Ensure that the enclosure is not subject to charging in end application.

PARK MODE -

In normal operation, the LED display shows a value representing the capacitance measured by the probe

at the time.

Pressing and holding the “Probe Covered / Raise” button (E - Image D) will cause the display to

show CXXX followed by RXXX.

Pressing and holding the “Probe Un-Covered / Lower” button (F - Image D) will cause the display

to show UXXX followed by RXXX.

CXXX is the probe covered value measured during calibration, UXXX is the uncovered value and RXXX is

the relay operating point which theAuto-Set calculates and is half way between the two measured values.

NOTE

In park mode, settings are “View Only” and cannot be altered.

Image D

Indice

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