HBM HLC Manuel utilisateur

Mounting Instructions | Montageanleitung |

Notice de montage

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HLC / HLC-P

Hottinger Brüel & Kjaer GmbH

Im Tiefen See 45

D-64293 Darmstadt

Tel. +49 6151 803-0

Fax +49 6151 803-9100

[email protected]

www.hbm.com

Mat.: 7-0101.0031

DVS: A01130_07_Y00_00 HBM: public

10.2021

EHottinger Brüel & Kjaer GmbH

Subject to modifications.

All product descriptions are for general information only.

They are not to be understood as a guarantee of quality or

durability.

Änderungen vorbehalten.

Alle Angaben beschreiben unsere Produkte in allgemeiner

Form. Sie stellen keine Beschaffenheits- oder Haltbarkeits

garantie dar.

Sous réserve de modifications.

Les caractéristiques indiquées ne décrivent nos produits

que sous une forme générale. Elles n'impliquent aucune

garantie de qualité ou de durabilité.

Mounting Instructions | Montageanleitung |

Notice de montage

English Deutsch Français

HLC / HLC-P

2A01130_07_Y00_00 HBM: public HLC / HLC-P

English

1 Safety instructions 3........................................

2 Used markings 6...........................................

2.1 The markings used in this document 6..........................

2.2 Symbols on the product 6.....................................

3 Scope of supply 7..........................................

4 Mounting 8.................................................

5 Load introduction 10.........................................

6 Electrical connection 11......................................

7 Specifications 16............................................

7.1 Specifications HLC A / HLC B / HLC F 16........................

8 Dimensions (in mm; 1 mm = 0.03937 inches) 19................

8.1 Mounting accessories for HLC B 21.............................

8.2 Mounting accessories for HLC F 24.............................

Safety instructions

HLC / HLC-P A01130_07_Y00_00 HBM: public 3

1 Safety instructions

In cases where a breakage may cause injury to persons or damage to equip

ment, the user must take appropriate safety measures (such as fall protection,

overload protection, etc.). Safe and trouble‐free operation of the load cells re

quires proper transportation, correct storage, assembly and mounting as well

as careful operation and maintenance.

It is essential to comply with the relevant accident prevention regulations. In

particular you should take into account the limit loads quoted in the specifica

tions.

Use in accordance with the regulations

HLC type load cells have been designed for weighing applications. Use for any

additional purpose shall be deemed to be not in accordance with the regula

tions.

To ensure safe operation, the load cells should only be used as described in

the Mounting Instructions. It is also essential to observe the appropriate legal

and safety regulations for the application concerned during use. The same

applies to the use of accessories.

The HLC load cells can be used as machine components (e.g. with tank

weighing). Please note in these cases that, in order to provide a high sensitiv

ity, the load cells have not been designed with the safety factors normally

applied in machine design. The load cell is not a safety element within the

meaning of its use in accordance with the regulations. The measuring signal

processing electronics has to be designed in such a way that with a measuring

signal failure no damages can occur.

General dangers due to non‐observance of the safety instructions

The HLC load cells correspond to the state of the art and are fail‐safe. The

load cells can give rise to residual dangers if they are inappropriately installed

and operated by untrained personnel.

Everyone involved with the installation, commissioning, maintenance or repair

of a load cell must have read and understood the Mounting Instructions and in

particular the technical safety instructions.

Safety instructions

4A01130_07_Y00_00 HBM: public HLC / HLC-P

Residual dangers

The scope of supply and performance of the load cells covers only a small part

of weighing technology. In addition, equipment planners, installers and operat

ors should plan, implement and respond to the safety engineering considera

tions of weighing technology in such a way as to minimize residual dangers.

Prevailing regulations must be complied with at all times. There must be refer

ence to the residual dangers connected with weighing technology.

Environmental conditions

In the context of your application, please note that acids and all materials

which release (chlorine) ions will attack all grades of stainless steel and their

welding seams. This may result in corrosion which can lead to the failure of the

load cell. In such cases the operator must take appropriate safety measures.

Prohibition of own conversions and modifications

The load cells must not be modified from the design or safety engineering point

of view except with our express agreement. Any modification shall exclude all

liability on our part for any damage resulting therefrom.

Qualified personnel

These load cells are only to be installed by qualified personnel strictly in accor

dance with the specifications and with the safety rules and regulations which

follow. It is also essential to observe the appropriate legal and safety regula

tions for the application concerned. The same applies to the use of acces

sories.

Qualified personnel means persons entrusted with the installation, fitting, com

missioning and operation of the product who possess the appropriate qualifica

tions for their function.

Accident prevention

Although the specified maximum capacity in the destructive range is several

times the full scale value, the relevant accident prevention regulations from the

trade associations must be complied with. Take into consideration the values

specified in particular in chapter 7 for

Slimit loads,

Safety instructions

HLC / HLC-P A01130_07_Y00_00 HBM: public 5

Smax. longitudinal forces,

Smax. transverse forces.

Option: Explosion proof version

SUsers must comply with all relevant erection regulations during installation.

SThe installation conditions listed in the certificate of conformity and/or type

examination certificate must be complied with.

Used markings

6A01130_07_Y00_00 HBM: public HLC / HLC-P

2 Used markings

2.1 The markings used in this document

Important instructions for your safety are specifically identified. It is essential to

follow these instructions in order to prevent accidents and damage to property.

Symbol Significance

CAUTION This marking warns of a potentially dangerous

situation in which failure to comply with safety

requirements can result in slight or moderate physical

injury.

Important

This marking draws your attention to important

information about the product or about handling the

product.

Emphasis

See….

Italics are used to emphasize and highlight text and

references to other chapters and external documents.

2.2 Symbols on the product

CE mark

The CE mark enables the manufacturer to guarantee that

the product complies with the requirements of the rele

vant EC directives (the declaration of conformity is avail

able at http://www.hbm.com/HBMdoc).

Scope of supply

HLC / HLC-P A01130_07_Y00_00 HBM: public 7

3 Scope of supply

SLoad cell with connection cable, mounting instructions (for HLC)

SLoad cell with (M12x1) male connector, mounting instructions (for HLC-P)

Mounting

8A01130_07_Y00_00 HBM: public HLC / HLC-P

4 Mounting

Please pay attention on the following points for the mounting of load cells:

SDo not overload load cells, not even temporarily.

SThe mounting surface must be horizontal, flat across the entire surface, and

absolutely clean. Dust, dirt, and other foreign matter should not collect such

that they have a detrimental effect on the mobility of load cells, thus

falsifying the measured value.

SWhen mounting, or immediately after mounting, each load cell should be

bridged by means of a twisted copper cable (e.g. EEK... by HBM = approx.

16 mm2). In this way, you prevent damage caused by welding currents.

SLoad cell grounding reduces the risk of load cell damage due to lightning.

SIn load cells with an additional outer braided wire over the cable (item no.

K-HLCB2 with option 5, code 3R, 6R or 12R), this cable is only used for

protection against increased mechanical stress (e.g. damage caused by

gnawing rodents). To avoid accidental energization, the outer braided wire

has to be connected to potential equalization at least once. This outer braid

is not used to shield the load cell. The inner braid of the load cell cable is

used for shielding.

CAUTION

Never load in a direction opposite to the load direction specified (see arrow on

the load introduction front of the load cell). This would cause measurement

errors and the damage of the mounting bolts. If load direction is correct, the

load cell output signal is positive.

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