Siemens THE PROBE Manual de usuario

Ultrasonic Transmitters

Operating Instructions 03/2013

THE PROBE

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.

Unit Repair and Excluded Liability:

The user is responsible for all changes and repairs made to the device by the user or the user’s

agent.

All new components are to be provided by Siemens Milltronics Process Instruments.

Restrict repair to faulty components only.

Do not reuse faulty components.

Warning: Cardboard shipping package provides limited humidity and moisture protection. This product

can only function properly and safely if it is correctly transported, stored, installed, set up, operated, and

maintained.

This product is intended for use in industrial areas. Operation of this equipment in a residential area

may cause interference to several frequency based communications.

Note: Always use product in accordance with specifications.

Reserved

Disclaimer 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. Siemens Milltronics

Process Instruments 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.

Contact SMPI Technical Publications European Authorized Representative

at the following address:

Technical Publications Siemens AG

Siemens AG Industry Sector

Siemens Milltronics Process Instruments 76181 Karlsruhe

1954 Technology Drive, P.O. Box 4225 Deutschland

Peterborough, Ontario, Canada, K9J 7B1

Email: techpubs.smpi@siemens.com

For a selection of Siemens Milltronics level measurement manuals, go to:

www. siemens.com/processautomation. Under Process Instrumentation, select

Level

Measurement

and then go to the manual archive listed under the product family.

For a selection of Siemens Milltronics weighing manuals, go to:

www. siemens.com/processautomation. Under Weighing Technology, select

Continuous

Weighing Systems

and then go to the manual archive listed under the product family.

A5E32243983 The Probe – INSTRUCTION MANUAL Page 1

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Introduction

The Probe is an ultrasonic level monitor combining sensor and electronics in a single package. It is

designed to measure liquid levels in open or closed vessels. The process part (sensor) is PVDF or

ETFE, allowing The Probe to be used in a wide variety of industries, especially food and chemical.

The sensor houses the ultrasonic transducer and temperature sensing element. The Probe emits a

series of ultrasonic pulses from the transducer. Each pulse is reflected as an echo from the material

and sensed by the transducer. The echo is processed by The Probe using Siemens Milltronic’s

proven ‘Sonic Intelligence’ techniques. Filtering is applied to help discriminate between the true

echo from the material, and false echoes from acoustical and electrical noises and agitator blades in

motion. The time for the pulse to travel to the material and back is temperature compensated and

then converted into distance for display, mA output.

Installation

Environmental

The Probe should be mounted in an area that is within the temperature range specified and that is

suitable to the housing rating and materials of construction. The front lid should be accessible to

allow programming, wiring and display viewing.

It is advisable to keep The Probe away from high voltage or current runs, contactors and SCR control

drives.

Location

Notes:

• This product is intended for use in industrial areas. Operation of this equipment in a

residential area may cause interference to several frequency based

communications.

• The Probe is to be used only in the manner outlined in this instruction manual.

Locate the Probe so that it

will have a clear sound path

perpendicular to the liquid

surface.

The Probe’s sound path

should not intersect the fill

path, rough walls, seams,

rungs, etc.

sanitary ferrule

pipe

rungs

seams

fill

Page 2 The Probe – INSTRUCTION MANUAL A5E32243983

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Mounting

Threaded

Flange Adapter (optional)

Sanitary (Non Intrinsically Safe)

Note: Mount the Probe so that the face of the sensor is at least 25 cm above the highest

anticipated level.

hinged lid

117 mm

(4.6”)

cable entry

‘knock out’

87 mm

(3.4”) ø

61 mm

(2.4”)

53mm

(2.1”)

ø max

sensor

mounting

thread

electronics

34 mm

(3.3”)

max.

7 mm

(0.3”)

279 mm

(11”)

74 mm

(2.9”)

thread type

identification

The Probe is available in three

thread types: 2” NPT, 2” BSP or

PF2.

Note: Before inserting The

Probe into its mounting hole,

ensure that the threads are of

the same type to avoid

damaging The Probe threads.

The Probe can be fitted with the optional 75 mm

(3") flange adapter for mating to 3" ANSI, DIN

65PN10 and JIS 10K3B flanges.

The

Probe

optional

flange

adapter

hinged lid

117 mm

(4.6")

cable entry

’knock out’

87 mm

(3.4") ø

61 mm

(2.4")

7 mm

(0.3") 84 mm

(3.3") max.

electronics

mounting

thread

sensor

53 mm

(2.1")

ø max.

279 mm

(11")

76 mm

(2.9")

integral

sealing ring

Notes:• Mount The Probe so that the face of

the sensor is at least 25 cm above

the highest anticipated level.

• The sanitary Probe is suitable for

chemical clean-in-place

applications to 60 °C (140 °F) only.

Ensure your cleaning chemicals are

compatible with PVDF.

A5E32243983 The Probe – INSTRUCTION MANUAL Page 3

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Interconnection

Cable Entry

System Diagram

4” Sanitary Ferrule

119 mm (4.68")

97 mm (3.83")

dimensions

are approximate

The Probe

clamp*

adjusting

wing nut

ferrule

tank

• mount The Probe onto the top of

the tank’s sanitary ferrule

• secure mating by surrounding

the joint with the clamp

• tighten adjusting wing nut

Note: Inside of sanitary

ferrule must be smooth, free of

burrs, seams or ridges. *supplied with the Probe

A.With lid closed, remove cable entry ’knock out’ on either side as required.

B.Open lid by loosening the lid screw.

C. Run cable to The Probe.

D.Connect loop wiring.

E. Close lid. Tighten screw to 1.1 to 1.7 N-m (10 to 15 in-lb) of torque

The Probe loop

instrumentation

Page 4 The Probe – INSTRUCTION MANUAL A5E32243983

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Intrinsically Safe Model

FM (reference drawing 1-8600016Z-DX-A)

Under the entity evaluation concept, The Probe has the following characteristics :

Definition :

The Entity Concept allows interconnection of intrinsically safe apparatus to associated apparatus

not specifically examined in such combination. The criteria for interconnection is that the voltage

and current which intrinsically safe apparatus can receive and remain intrinsically safe, considering

faults, must be equal or greater than the voltage (Voc or Vt) and current (Isc or It) levels which can

be delivered by the associated apparatus, considering faults and applicable factors. In addition, the

maximum unprotected capacitance (Ci) and Inductance (Li) of the intrinsically safe apparatus,

including interconnecting wiring, must be equal to or less than the capacitance and inductance

which can be safely connected to associated apparatus.

FM / CSA (reference drawing 1-8600016Z-DX-A)

Approved dust tight and water tight conduit seals are required for Class II, Div. 1, Gr. E, F, G, and

outdoor Type 4 / NEMA 4X / IP65 locations.

The maximum voltage of the non-intrinsically safe apparatus must not exceed 250 V rms.

Use only intrinsically safe barriers as listed.

Note: Reference drawing 1-8600016Z-DX-A is available on the product page of our

website at www.siemens.com/theprobe. Go to More Info / Installation drawings and

scroll to Connection Drawings.

Vmax = 30 V DC Imax = 200 mA dc

Ci = 0 Li = 0

Note: Reference drawing 1-8600016Z-DX-A is available on the product page of our

website at www.siemens.com/theprobe. Go to More Info / Installation drawings and

scroll to Connection Drawings.

24 V DC

supply load

4 to 20

mA seeterminal

connection

table

4 to 20 mA

Passive Safe Area Hazardous Area

A5E32243983 The Probe – INSTRUCTION MANUAL Page 5

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DC Repeater

AC Repeater

Make Part no. Temrinal

Barrier

Connection

The probe

MTL 787s+ 3

MTL 706+ 4

STAHL 9002 / 13-

280-110-00

STAHL 9001 / 51-

280-110-14

Note: Power supply input is reverse polarity protected.

Safe Area Hazardous Area

load

4 to 20 mA

20 to 35 V DC

supply

MTL 3041 / 20 to 35 V DC

4 to 20 mA

seeterminal

connection

table

Safe Area Hazardous Area

4 to 20 mA

seeterminal

connection

table

4 to 20 mA

MTL 2441 / 120V & 240 V

load

N / L2

Page 6 The Probe – INSTRUCTION MANUAL A5E32243983

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General Guidelines for the Intrinsically Safe Probe covered by EC-Type

Examination Certificate BAS99ATEX1300

1. The apparatus may be used with flammable gases and vapours with Apparatus Group IIC and

with temperature class T4.

2. The equipment is certified for use in an ambient range of –40oC to 60oC.

3. The equipment has not been assessed as a safety related device as referred to by EC Directive

94/9/EC Annex II, clause 1.5.

4. Installation and inspection of this equipment shall be carried out by suitably trained personnel

in accordance with the applicable code of practice (EN 60079-14 and EN60079-17 within

Europe).

5. Repair of this equipment shall be carried out by suitably trained personnel in accordance with

the applicable code of practice (e.g. EN 60079-19 within Europe).

6. Components to be incorporated into or used as replacements in the equipment shall be fitted

by suitably trained personnel in accordance with the manufacturer’s documentation.

7. The certification of this equipment relies upon the following materials used in its construction:

BF Goodrich PVC GEON‚ 85856 (enclosure and lid material)

ETFE (transducer)

PVDF (alternative transducer)

Master Bond Polysulphide EP21LPT or Dow Corning 3-4207 encapsulant (transducer)

Emmerson and Cummings Stycast‚ 2075 encapsulant (electronics)

If the equipment is likely to come into contact with aggressive substances, then it is the

responsibility of the user to take suitable precautions that prevent it from being adversely affected,

thus ensuring that the type of protection is not compromised.

Aggressive substances: e.g. solvents that may affect polymeric materials

Suitable precautions: e.g. regular checks as part of routine inspections or establishing from the materials

data sheet that it is resistant to certain chemicals.

PVC GEON 85856 is a registered trademark of BF Goodrich

Polysulphide EP21LPT is a registered trademark of Master Bond

Dow Corning 3-4207 is a registered trademark of Dow Corning

Stycast 2075 is a registered trademark of Emmerson and Cummings

Non Intrinsically Safe

Note: Power supply is reverse polarity protected.

V supply

12 to 30 V DC

R max = V supply – 12 V

20 mA

The Probe loop instrumentation

R max

A5E32243983 The Probe – INSTRUCTION MANUAL Page 7

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Operation

Start Up

Calibration

Calibration: Reference Method

• Adjust the material level (or target) to the desired distance from the sensor face.

• Press the “4” or “20” key (as appropriate) to view the stored distance associated with that mA

output value.

• Press the key a second time to set the new distance reference.

• After viewing or calibrating, Probe operation automatically reverts to the Run mode (6 sec). The

calibration value is referenced from the face of The Probe sensor, in the units displayed.

4 mA calibration

proportional span inversely proportional span

high level = 20 mA high level = 4 mA

low level = 4 mA low level = 20 mA

Press “4”

Press “4” again 4 mA calibration

new 4mA calibration

calibration invalid if

retry

• With The Probe correctly installed (or

aimed at a wall 0.25 to 5 m away), apply

power.

• The Probe starts up displaying the

following:

program mode

alphanumeric

units

LOE / fault

operation status

‘4’ key

‘20’ key

• It then defaults to the Run mode, which is the measurement

reading of the distance from the transducer face to the

material level in the units indicated:

• If the default display differs from that shown, refer to

Operation Status on page 8.

The calibration of the mA output may be done such

that its span will be either proportional or inversely

proportional to the material level.

Note: The 4 and 20 mA levels may be calibrated in

any order.

Page 8 The Probe – INSTRUCTION MANUAL A5E32243983

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20 mA calibration

Operation Status

The logo will change from full to partial to indicate operation status. After the `Waiting' period, the `?'

icon will appear for an `LOE / FAULT' indication. When a valid echo is again received, a `Good'

indication will resume. Refer to Troubleshooting on page 12.

Adjustments

There are several operating adjustments that can be made to The Probe.

To access the operating adjustments, simultaneously press the "4" and "20" keys until the desired

adjustment is obtained. A viewing sequence of the stored value is automatically initiated. During this

time the value can be changed by pressing either the "4" or "20" key. After viewing or changing,

operation automatically reverts to the Run mode (6 sec).

Calibration, Scrolling Method

The 4 and 20 mA calibration values can be selected where reference levels, either from the material

in the vessel or from a target, cannot be provided. This method can also be used to trim the output

levels obtained by the Reference Method (see page 7).

To change the stored calibration value, obtain the `c 4' or `c 20' display. The calibration value may be

increased by pressing the "20" key or decreased by pressing the "4" key. When the display has

scrolled to the desired value, stop pressing the key. The display automatically reverts to the Run

mode (6 sec).

Press “20”

Press “20” again 20 mA calibration

new 20 mA calibration

calibration invalid if

retry

Note: Calibration bypasses the measurement response rate.

4 mA calibration, scrolling fail-safe

20 mA calibration, scrolling fail-safe timer

blanking units

speed of response

GOOD WAITING LOE / FAULT

The graphic portion of the display gives the user a visual

indication of The Probe's operating status. Viewing the

graphic can assist the user in properly locating and

installing The Probe to achieve optimum performance.

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