HBM S2 Manuel utilisateur

A3181-1.0 de/en/fr

Force transducer

Kraftaufnehmer

Capteur de force

Mounting Instructions

Montageanleitung

Notice de montage

English Page 3 - 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Deutsch Seite 21 - 38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Français Page 39 - 56. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

A3181-1.0 en/de/fr HBM

Contents Page

English

Safety information 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 Scope of supply 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 General application instructions 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 Structure and mode of operation 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.1 Measuring element 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.2 SG cover 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.3 Disturbance variables 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 Conditions on site 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.1 Ambient temperature 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.2 Moisture and humidity 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.3 Deposits 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5 Mechanical installation 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.1 Important precautions during installation 12. . . . . . . . . . . . . . . . . . . .

5.2 General installation guidelines 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.3 Installation with direct connection 13. . . . . . . . . . . . . . . . . . . . . . . . . .

5.4 Installation with knuckle eyes 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6 Electrical connection 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.1 Connection with six‐wire configuration 15. . . . . . . . . . . . . . . . . . . . . .

6.2 Connection with four‐wire configuration 15. . . . . . . . . . . . . . . . . . . . .

6.3 Shortening the cable 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.4 Cable extension 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.5 EMC protection 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 Specifications (VDI/VDE 2638 standards) 17. . . . . . . . . . . . . . . . . . . . . .

8 Dimensions 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

A3181-1.0-3.0 en/de/frHBM

Safety information

Designated use

The force transducers in the type series S2 are solely designed for measuring

static and dynamic tensile and/or compressive forces within the load limits

specified by the technical data for the respective maximum capacities. Any

other use is not the designated use.

To ensure safe operation, the regulations in the assembly and operating in

structions, together with the following safety rules and regulations, and the

data specified in the technical data sheets, must be complied with. It is also

essential to observe the applicable legal and safety regulations for the ap

plication concerned.

The force transducers are not intended for use as safety components. Please

also refer to the section: “Additional safety precautions”. Proper and safe op

eration of the force transducer requires proper transportation, correct storage,

siting and mounting, and careful operation.

Loading capacity limits

The data in the technical data sheet must be complied with when using the

force transducer. In particular, the respective maximum loads specified must

never be exceeded. The following limits set out in the technical data sheets

must not be exceeded

•Limit loads

•Lateral load limits

•Breaking loads

•Permissible dynamic loads

•Temperature limits

•Limits of electrical loading capacity

Please note that when several force transducers are interconnected, the load/

force distribution is not always uniform.

Use as a machine element

The force transducers can be used as machine elements. When used in this

manner, it must be noted that, to favor greater sensitivity, the force transducer

cannot be designed with the safety factors usual in mechanical engineering.

Please refer here to the section “Loading capacity limits” and the technical

data.

A3181-1.0 en/de/fr HBM

Accident prevention

The prevailing accident prevention regulations must be taken into account,

even though the nominal (rated) force values in the destructive range are well

in excess of the full scale value.

Additional safety precautions

The force transducers cannot (as passive transducers) implement any (safety‐

relevant) cutoffs. This requires additional components and constructive mea

sures for which the installer and operator of the plant is responsible.

In cases where a breakage or malfunction of the force transducer would

cause injury to persons or damage to equipment, the user must take appropri

ate additional safety measures that meet at least the requirements of applica

ble safety and accident prevention regulations (e.g. automatic emergency

shutdown, overload protection, catch straps or chains, or other fall protection).

The layout of the electronics conditioning the measurement signal should be

such that measurement signal failure does not cause damage.

General dangers of failing to follow the safety instructions

The force transducers are state‐of‐the‐art and reliable. Transducers can give

rise to remaining dangers if they are incorrectly operated or inappropriately

mounted, installed and operated by untrained personnel. Every person in

volved with siting, starting‐up, operating or repairing a force transducer must

have read and understood the mounting instructions and in particular the

technical safety instructions. The force transducers can be damaged or de

stroyed by non‐designated use of the force transducer or by non‐compliance

with the mounting and operating instructions, these safety instructions or any

other applicable safety regulations (BG safety and accident prevention regula

tions) when using the force transducers. Force transducers can break, partic

ularly in the case of overloading. The breakage of a force transducer can also

cause damage to property or injury to persons in the vicinity of the force trans

ducer.

If force transducers are not used according to their designated use, or if the

safety instructions or specifications in the mounting‐ and operating instruc

tions are ignored, it is also possible that the force transducer may fail or mal

function, with the result that persons or property may be affected (due to the

loads acting on or being monitored by the force transducer).

The scope of supply and performance of the transducer covers only a small

area of force measurement technology, as measurements with (resistive)

strain gage sensors presuppose the use of electronic signal processing. In

addition, equipment planners, installers and operators should plan, implement

and respond to the safety engineering considerations of force measurement

A3181-1.0-3.0 en/de/frHBM

technology in such a way as to minimize remaining dangers. Prevailing regu

lations must be complied with at all times.

Warns of a potentially dangerous situation in which failure to comply with

safety requirements can result in death or serious physical injury.

WARNING

Description of a potentially dangerous situation

Measures to avoid/prevent the danger

Warns of a potentially dangerous situation in which failure to comply with

safety requirements can result in slight or moderate physical injury.

CAUTION

Description of a potentially dangerous situation

Measures to avoid/prevent the danger

Warns of a situation in which failure to comply with safety requirements could

lead to damage to property.

NOTE

Description of a situation that could lead to damage to property

The marking below draws your attention to important information about the

product or about handling the product.

Important

Important information

The marking below contains application tips or other information that is useful

to you.

A3181-1.0 en/de/fr HBM

Tip

Information/Application instructions

Conversions and modifications

The transducer must not be modified from the design or safety engineering

point of view except with our express agreement. Any modification shall ex

clude all liability on our part for any damage resulting therefrom.

Maintenance

The S2 force transducer is maintenance free.

Disposal

In accordance with national and local environmental protection and material

recovery and recycling regulations, old transducers that can no longer be

used must be disposed of separately and not with normal household garbage.

If you need more information about waste disposal, please contact your local

authorities or the dealer from whom you purchased the product.

Qualified personnel

Qualified personnel means persons entrusted with siting, mounting, starting

up and operating the product, who possess the appropriate qualifications for

their function.

This includes people who meet at least one of the three following require

ments:

- Knowledge of the safety concepts of automation technology is a require

ment and as project personnel, you must be familiar with these concepts

- As automation plant operating personnel, you have been instructed how to

handle the machinery. You are familiar with the operation of the equipment

and technologies described in this documentation

- As commissioning engineers or service engineers, you have successfully

completed the training to qualify you to repair the automation systems. You

are also authorized to activate, ground and label circuits and equipment in

accordance with safety engineering standards.

It is also essential to comply with the legal and safety requirements for the ap

plication concerned during use. The same applies to the use of accessories.

The force transducer must only be installed by qualified personnel, strictly in

accordance with the specifications and with the safety requirements and regu

lations listed below.

A3181-1.0-3.0 en/de/frHBM

1 Scope of supply

•1 S2 force transducer

•1 Mounting instructions

•1 Manufacturing certificate

Accessories (not included among the items supplied):

•Knuckle eye ZGW Order No. 1‐U1R/200KG/ZGW

2 General application instructions

The S2 type series force transducers are suitable for measuring tensile and

compressive forces. Because they provide highly accurate static and dynamic

force measurements, they must be handled very carefully. Particular care

must be taken when transporting and installing the devices. Dropping or

knocking the transducers may cause permanent damage.

The potting material (sealing for protection of sensitive strain gage installa

tions) must not be damaged otherwise the transducer will become unusable.

The specifications list the permissible limits for mechanical, thermal and elec

trical stress. It is essential that these are taken into account when planning the

measuring set‐up, during installation and ultimately, during operation.

A3181-1.0 en/de/fr HBM

3 Structure and mode of operation

3.1 Measuring element

The measuring element is an aluminum loaded member on which strain

gages (SG) are installed. The SG are arranged so that two are stretched and

the other two compressed when a force acts on the transducer.

3.2 SG cover

To protect the SG, the S2 force transducers are potted with a plastic material

at an appropriate place. This is used to protect against mechanical damage.

Potting material

Fig 3.1: SG installation protection

3.3 Disturbance variables

Torsion, bending and lateral loads are disturbance variables and therefore to

be avoided.

A3181-1.0-3.0 en/de/frHBM

4 Conditions on site

Protect the transducer from weather conditions such as rain, snow, ice and

salt water.

4.1 Ambient temperature

The temperature effects on the zero signal and on the sensitivity are compen

sated.

To obtain optimum measurement results, the nominal (rated) temperature

range must be observed. Constant, or very slowly changing, temperatures are

optimal. Temperature‐related measurement errors are caused by heating on

one side (e.g. radiant heat) or by cooling. A radiation shield and all‐round ther

mal insulation produces noticeable improvements, but must not be allowed to

set up a force shunt.

4.2 Moisture and humidity

Series S2 force transducers are protected against moisture. The transducers

reach the protection class IP68 per DIN EN 60259. Nevertheless, the force

transducer must be protected against permanent moisture influence.

The transducer must be protected against chemicals that could attack the alu

minum, potting material or the cable.

The transducer can also malfunction due to corrosion. Implement protective

measures if this danger exists.

NOTE

Moisture must not be allowed to penetrate the free end of the connection

cable. Otherwise the characteristic values of the transducer could change and

therefore cause measurement errors.

4.3 Deposits

Dust, dirt and other foreign matter must not be allowed to accumulate suffi

ciently to divert some of the force to be measured, thus invalidating the mea

sured value (force shunt).

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