SOR Echosonix U71 Manual de instrucciones

Form 1034 (05.13) ©SOR Inc.

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echOsonix is a non-contact, ultrasonic level sensing device. It provides several

product-handling functions in one device.

Isolated 4-20 mA reversible analog output

scaled over the range entered by the user

Modbus digital communications

Switch - Two (model U71 integral mount)

or four (model U73 remote mount)

programmable Form C SPDT relays

Switch function choices of energize on

high or low level, fail-safe or disabled

Switch settings fully independent of level transmitter range and other relays

All values entered in engineering units

Push-button setup, no ranging or calibration required

Field selected application type from liquid, slurry or solid

Simulate mode to test parameter settings and relay/analog outputs

Automated false echo handling

Diagnostics - Features to aid installation/setup and provide testing and diagnostic functions

General Instructions

Registered Quality System to ISO 9001

Design and

specifications are

subject to change

without notice.

For latest revision, go to

www.sorinc.com

NOTE: If you suspect that a product is

defective, contact the factory or the

SOR

Representative in your area for

a return authorization number (RMA).

This product should only be installed

by trained and competent personnel.

Table of Contents

Safety.............................................3

Quick Start Installation Guide.................4

Mounting the Transducer ......................6

Focusing Cone and Flange Assembly...... 10

Electronic Housing Installation ............. 11

Transducer Cable Installation............... 12

Integral Electronics Wiring.................. 12

Wiring Diagram ............................... 14

Integral Terminal Block Diagram........... 16

Remote Terminal Block Diagram........... 16

Modbus Wiring Diagram..................... 17

Modbus Network .............................. 18

Keypad Interface .............................. 20

LCD Display.................................... 21

Field Programming ........................... 22

User Dened Values.......................... 23

Menu Structure................................ 26

Dimensions .................................... 28

Product Specications ....................... 33

Troubleshooting ............................... 34

U71-U73 Ultrasonic Transmitter

U73

U71

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Form 1034 (05.13) ©SOR Inc.

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These instructions provide information for Mounting, Process and Electrical connections

and Field Programming of the echOsonix transmitter.

The echOsonix incorporates a transducer for sending and receiving an ultrasonic signal and

an electronics processing package. The ultrasonic signal is very powerful and may cause

hearing damage - refer to the safety instructions on page 3. The electronics package is either

mounted on top of the transducer or in a remote location connected by a shielded cable.

Prior to installation, review these instructions entirely. Transducer mounting location is

critical to proper operation. Most settings can be programmed prior to installation.

The PC boards are serialized to each unit and should not be removed

except by the factory. Removing the PC board will render the warranty

null and void.

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Safety

Electrical Safety

The echOsonix is an electrically powered transmitter. Common electrical safety procedures

must be followed when working with this equipment. All wiring should be per local and

national standards. Do not remove the enclosure cover unless the area is known to be non-

hazardous. Do not handle circuit boards when energized.

Sound Protection

The echOsonix produces intense sound pulses. SOR recommends checking local safety

standards for Applicable hearing protection regulations.

Do not aim the transducer of an operating echOsonix at anyone’s head.

Permanent hearing damage may result. Use proper hearing protection when

operating in an enclosed space.

These values are based on dB (Lin) Peak, unweighted. Consult local sound protection

standards for conversions and limits.

Electrostatic Discharge (ESD) Handling Procedure

The SOR electronics instruments are designed to the highest quality standards. These

products use highly sensitive electronic components that are affected by static electricity,

that is present in most work environments. The following procedure is recommended to

reduce the possibility of component failure caused by static electricity damage.

Use a grounded wrist strap when installing or removing electronic boards. A grounded

workstation is recommended.

Ensure that all electrical connections are made and none are partial or floating. Ground

all equipment properly.

To prevent ignition from static charge buildup, use a damp cloth when cleaning the unit.

*Sound Pressure Level

Transducer

Model/Frequency

SPL* at 3 ft. (1 m)

in front of transducer

SPL* at 3 ft. (1 m)

to side of unit

SPL* at 3 ft. (1 m)

behind unit

A - 5kHz 137 dB 113 dB 100

B - 10kHz 138 dB 111 dB

K - 15kHz 135 dB 107 dB

C - 20kHz 135 dB 108 dB

D - 30kHz 133 dB 102 dB

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Form 1034 (05.13) ©SOR Inc.

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Quick Start Installation Guide

This guide is intended to be a quick reference only. Please refer to each section of this form

for details on installation, wiring, set-up and operation. Contact the factory or your local

representative if you have any questions or concerns.

Install the transducer away from obstructions. Do not mount in the center of domed or

conical roof tanks. See page 6 for minimum mounting distance from tank walls.

Wire the unit according to local and national safety codes. Power and signal wiring must be

run as a minimum. Refer to pages 11-17 for more wiring details.

NOTE: Proper earth grounding of electronics is critical!

Flanged Mounting

Avoid mounting end of transducer

assembly inside standpipe.

Use a shorter standoff so

end of transducer assembly

is inside vessel, or...

Extend standpipe into

the vessel and cut the

end at a 45

angle.

Use a threaded coupling

directly on top of the

vessel, or...

Extend standpipe into

the vessel and cut the

end at a 45

angle.

See page 9

for standoff details.

Inlet Pipe

Test

GND

+DC

GND

Neutral

Active

RL1NO

RL1C

RL1NC

RL2NO

RL2C

RL2NC

GND

ICOM

22-27 VDC

Power Supply

100-126 VAC or

200-230 VAC

Power Supply

PLC/DCS

or Indicator

PLC/DCS

Powered Card

+- -

250Ω

And/Or

Threaded Mounting

Avoid mounting end of transducer

assembly inside standpipe.

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Black

Red

White

Blue

Green

Yellow

Black

***

Red

White

Blue

Green

ellow

Black

***

Red

White

Blue

Green

ellow

Wire Shield (Drain)

Cable

Insulation

*** = Orange, Brown or Red/Black, depending on cable.

White & Black

If supplied, cut this

wire – do not use

Black

***

Red

White

Blue

Green

ellow

Wire Shield (Drain)

Cable

Insulation

White & Black

To splice remote transducer cables, follow the diagram below. See page 12 for details.

*** Brown or Red/Black, depending on cable.

* Yellow or Orange

Relay Point

Highest Level

High Level

100%

Relay Point

Lowest Level

Low Level

Blanking

(No detection)

High Level

(20 mA)

L1 Level

(Any relay)

L2 Level

(Any relay)

Lo Level

(4mA)

Calculate the level distances for

the vessel. These will be entered

when programming the unit.

All values are measured from

the transducer face down to the

desired level. See pages 23-24

for details of each value.

NOTE: All values are measured

from the transducer face down.

Hi Level will be a smaller number

than Lo Level.

Program the basic parameters in the setup menu. Press CAL to access the menu. Enter the

Application Type, Hi Level, Lo Level and relay settings using the values calculated in the

above step. See pages 26 and 27 for menu structure and description.

NOTE: Push-button interface is the

same for integral and remote units.

To change number values fast,

hold down the arrow key and

press CAL.

This guide is intended to be a quick reference only. Please refer to each section of this form

for details on installation, wiring, set up and operation. Contact the factory or your local

representative if you have any questions or concerns.

Return to normal operation Enter menus, change

menu selection,

accept changes

Change numeric values and move

between menu options

{

Distance

12.34 ft.

DistanceDistance

12.34 ft.12.34 ft. cal

run

NOTE: Do not exceed loft of cable added or taken off

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Form 1034 (05.13) ©SOR Inc.

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Mounting the Transducer

For all applications the transducer is mounted above the process pointing directly down at

the measured surface. In open or flat topped vessels the transducer should be mounted

so that the primary cone of sound does not intersect the wall of the vessel, if possible. The

table below lists typical guidelines for minimum mounting distances from the wall. If the

radius of the vessel is less than the minimum distance, consult the factory for assistance.

Vessel Height

For vessels taller than 40 feet (12m), use:

Minimum Distance = Vessel Height x 0.087

1 foot

(0.3 m)

2 feet

(0.6 m)

3 feet

(0.9 m)

4 feet

(1.2 m)

10 feet

(3 m)

20 feet

(6 m)

30 feet

(9 m)

40 feet

(12 m)

Minimum Mounting Distance

Minimum Mounting

Distance

Transducer mounting placement is critical. The

transducer assembly generates both the sound

pulse and monitors the echoes. The sound pulses

travel away from the face of the transducer in a

cone-shaped pattern. This area should be free of

obstructions and away from inlets.

The transducer should be mounted in a position

that allows unobstructed access between the

face and the process to be measured.

Inlet Pipe

NOTE: A good rule of thumb is to look down

inside the vessel through the mounting

location. You should be able to see a clear

path to the process material without any

physical objects or ll streams in the way.

Form 1034 (05.13) ©SOR Inc.

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Alternative Mounting

echOsonix units may be mounted inside a stilling well or bridle to avoid excessive

obstructions or turbulence in the process. Follow the guidelines shown below for the

stilling well or bridle, then see page 38 for special instructions.

Bridle

Stilling Well

Inlet Pipe

Min. 2”

Min. 4”

Diamete

Min. 4”

Diamete

Minimum

Holes

echOsonix units are designed to read solids materials and ignore the angle of repose. The

angle of repose is the angle between horizontal and the side of the pile of material. For

processes where the angle of repose is greater than 45 degrees, the echOsonix may require

some special tuning or setup. Contact the factory for these situations.

For solids installations, the echOsonix should be mounted in a vertical position according to

the diagram below. Do not “aim” the transducer to the angle of repose, this is not necessary.

Mount the transducer 1/3 of the distance from the vessel wall to the vessel centerline, away

from any internal obstructions.

For vessels that fill and discharge from the center, this mounting location will provide a

good average level measurement. As solids pile up they form a cone, and as they

discharge they form a conical pit. By measuring the level at the 1/3 radius position

shown, an average level is obtained for both situations. For vessels that do not fill and/or

discharge from the center, a mounting location should be chosen that will provide the best

possible average level.

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Average

Level

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echOsonix transducers may be mounted using a threaded connection or a flanged

connection. Some units require flange mounting. There are two options for thread

mounting which are detailed below. In all cases, the transducer should be installed in

a stable, permanent mounting fixture.

Focusing Cones

All units are supplied with some form of focusing cone to be mounted on the transmitting

end of the transducer. These cones should always be installed according to the instructions

in this manual. If the mounting method inhibits this cone, the mounting should be modified

to account for it. The cones are vital to proper performance and should not be modified

or removed.

Thread Mounting

Short-range transducers (30, 20 and 15kHz) may be supplied with a 3” NPT mounting

thread. All remote transducers are also supplied with a 1” NPT/BSP cable nipple that can be

used for either conduit connection or mounting.

Flange Mounting

When mounting a unit with a flange, we recommend using non-metallic bolts. The

mounting bolts should be hand-tight only. Do not over-tighten the bolts, this can affect

performance of the echOsonix transducer.

Most flange mounts use a standpipe. It is important to follow the guidelines below for

standpipe design. Methods are shown in order of preference - Method 1 preferred, etc.

Method 1 Method 2 Method 3

End of transducer

assembly extends past

end of standpipe

End of standpipe

is cut at a 45°

angle, transducer

is inside pipe End of transducer is

inside standpipe.

Ratio of H / D = 1 or less

DisMinimum 4”

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Focusing Cone and Flange Assembly

Units supplied with focusing cones and flanges are shipped disassembled. Follow the

directions below to assemble these units prior to installation.

Transducer

(Sensor)

Mounting

Flange

Focusing

Cone

Locking

Ring



For 10kHz (BBP, RBP, BEP), screw locking ring

down tight onto top of focusing cone

For 5kHz (BAP, RAP) locking ring is not

moveable, screw transducer down until locking

ring is tight onto top of focusing cone



Mount transducer

into flange assembly.



Thread focusing cone

into mounting flange.

NOTE: All threaded connections

should be sealed with either Teon

tape or a thread sealer that is

compatible with Polypropylene.



Install mounting

flange / focusing

cone assembly into

process.

NOTE:

Mount ange

as shown; small

threaded ange

MUST be pointing up.

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