HEIDENHAIN PWM 20: 2 Safety

PWM 20

Operating Instructions

en

19

2 Safety

General accepted safety precautions, in particular the

applicable precautions relating to the handling of live

electrical equipment, must be followed when operating the

system. Failure to observe these safety precautions may

result in personal injury or damage to the equipment.

It is understood that safety rules within individual

companies vary. If a conflict exists between the material

contained in these instructions and the rules of a

company using this system, the more stringent rules take

precedence.

2.1 Intended use

The product must only be operated when in proper and safe

condition. It is intended solely for the following use:

Diagnostics and adjustment of HEIDENHAIN encoders

with absolute and incremental interfaces

Any other use of the product or any use beyond that

specified is considered improper use and may cause

hazards and damage.

2.2 Improper use

Any use that has not been specified in "Intended use" is

considered improper use. The company operating the

product is solely liable for any damage resulting from

improper use.

In addition, the following uses are not permitted:

Use with parts, cables or connectors that are defective

or that do not comply with applicable standards

Use in potentially explosive environments or fire risk

areas

Use outside the operating conditions specified in

"Specifications"

Any alterations of the product or peripherals that have

not been authorized by the manufacturers

2.3 Personnel qualification

Mounting, installation, operation, maintenance, and

disassembly must be done by a professionally qualified

service technician. To carry out the required work on the

device, the service technician must have obtained sufficient

information from the documentation supplied with the

product and with the connected peripherals.

The required qualifications are specified in the following:

The service technician uses and operates the device within

the framework specified for the intended use. The service

technician has been specially trained for the environment

he or she works in. The service technician has the required

technical training, knowledge and experience and is familiar

with the applicable standards and regulations, and is thus

capable of performing the assigned work regarding the

application concerned and of proactively identifying and

avoiding potential risks. He or she must comply with the

provisions of the applicable legal regulations on accident

prevention.

2.4 Obligations of the operating company

The operating company owns or leases the product and

the peripherals. It is responsible that the intended use is

complied with at all times.

The operating company must:

Assign the different tasks to be performed on the

product to appropriate, qualified and authorized

personnel

Train the personnel in the authorizations and tasks

specified in "Personnel qualification"

Ensure that the product is operated only when in perfect

technical condition

Ensure that the product is protected from unauthorized

use

Operating Instructions

en

PWM 20

20

2.5 General safety precautions

The specific safety precautions required for the individual

activities to be performed on the product are indicated in

the respective sections of these instructions.

2.5.1 Classification of hazard warnings

Hazard warnings warn you about dangers associated with

the operation of the product, and inform you of how to avoid

them. They are classified according to the severity of the

danger, and are divided into the following groups:

Warning types DANGER

Describes an 

imminent danger

.

If it is not avoided, 

death

 or 

very serious injuries

 will

result.

WARNING

Describes a 

possible impending danger

.

If it is not avoided 

death

 or 

very serious injuries

 can

result.

CAUTION

Describes a 

possible impending danger

.

If it is not avoided, 

slight

 or 

minor injuries

 can result.

NOTICE

Describes a 

possibly dangerous situation

.

If it is not avoided, 

the product

 or 

something near it

can be damaged

.

An information box provides 

important

additional or supplementary information

 about

an activity or concept.

It also draws your attention to situations or

circumstances that can lead to measuring errors

or equipment malfunctions.

2.5.2 Electrical safety precautions DANGER

When opening the product, there is a possibility of

coming into contact with live electrical components.

This may result in electric shock, burns or death.

In addition, opening the product will invalidate the

guarantee, warranty and liability of the manufacturer for

any resulting accidents, personal injury or equipment

damage.

Never open the housing.

Only the manufacturer is permitted to access the

inside of the product.

DANGER

Direct or indirect contact with live electrical components

will lead to a dangerous amount of electricity passing

through the human body.

This may result in electric shock, burns or death.

Work on the electrical system and live electrical

components is only to be performed by trained

specialists.

For power connection and all interface connections,

use only cables and connectors that comply with

applicable standards.

Avoid condensation.

Do not operate or repair the product if damaged.

Have the manufacturer exchange defective electrical

components immediately.

Regularly inspect all connected cables and all

connectors provided on the product. Defects, such

as loose connections or scorched cables, must be

removed immediately.

NOTICE

This product contains components

that can be destroyed by electro-

static discharge (ESD).

It is essential to observe the safety

precautions for handling ESD-sensiti-

ve components.

Never touch connector pins without

ensuring proper grounding.