WIKA A-AI-1 Manuale utente

Operating instructions

Betriebsanleitung

Attachable indicator model A-AI-1

Aufsteckanzeige Typ A-AI-1

Attachable indicator model A-AI-1

2018357.08 11/2022 EN/DE

Operating instructions model A-AI-1 Page 3 - 24

Betriebsanleitung Typ A-AI-1 Seite 25 - 45

Further languages can be found at www.wika.com.

WIKA operating instructions attachable indicator model A-AI-12

WIKA®is a registered trademark in various countries.

WIKA®ist eine geschützte Marke in verschiedenen Ländern.

Prior to starting any work, read the operating instructions!

Keep for later use!

Vor Beginn aller Arbeiten Betriebsanleitung lesen!

Zum späteren Gebrauch aufbewahren!

WIKA operating instructions attachable indicator model A-AI-1 3

2018357.08 11/2022 EN/DE

Contents

1. General information 4

2. Design and function 5

2.1 Description 5

2.2 Scope of delivery 5

3. Safety 6

3.1 Explanation of symbols 6

3.2 Intended use 6

3.3 Improper use 7

3.4 Personnel qualication 8

3.5 Labelling, safety marks 9

4. Transport, packaging and storage 10

4.1 Transport 10

4.2 Packaging and storage 10

5. Commissioning, operation 11

5.1 Electrical connection 11

5.2 Pin assignment 11

5.3 Conguration of the display 13

6. Faults 18

7. Maintenance and cleaning 19

7.1 Maintenance 19

7.2 Cleaning 20

8. Dismounting, return and disposal 20

8.1 Dismounting 21

8.2 Return 21

8.3 Disposal 22

9. Specifications 22

Declarations of conformity can be found online at www.wika.com.

Contents

WIKA operating instructions attachable indicator model A-AI-14

2018357.08 11/2022 EN/DE

1. General information

■

The model A-AI-1 attachable indicator described in the operating

instructions has been manufactured using state-of-the-art technology. All

components are subject to stringent quality and environmental criteria

during production. Our management systems are certied to ISO 9001

and ISO 14001.

■

These operating instructions contain important information on handling the

instrument. Working safely requires that all safety instructions and work

instructions are observed.

■

Observe the relevant local accident prevention regulations and general

safety regulations for the instrument's range of use.

■

The operating instructions are part of the product and must be kept in

the immediate vicinity of the instrument and readily accessible to skilled

personnel at any time.

■

Skilled personnel must have carefully read and understood the operating

instructions prior to beginning any work.

■

The general terms and conditions contained in the sales documentation

shall apply.

■

Subject to technical modications.

■

Further information:

- Internet address: www.wika.de / www.wika.com

- Relevant data sheet: AC 80.07

- Application consultant: Tel.: +49 9372 132-0

[email protected]

WIKA operating instructions attachable indicator model A-AI-1 5

2018357.08 11/2022 EN/DE

2. Design and function

2.1 Description

The model A-AI-1 attachable indicator is a general-purpose, microprocessor-

controlled indicator for standard 4 ... 20 mA signals. It does not require its

own power supply, but rather, it is powered directly from the measuring

current.The display of the measured value is made on a 4-digit LC display

with a maximum indication range of -1999 ... 9999 digits.

The A-AI-1 has been designed for the connection of any transmitter (with

4 ... 20 mA output). The matching of the indicator range to the transmitter is

made without external aids through the direct input of the upper and lower

measuring range limits and the decimal point position.The parameters and

limit values are entered using three buttons. All programmable parameters

are saved in an EEProm and are retained in the event of a loss of power (for

a minimum of 10 years).

The attachable indicator has its own integrated self-diagnostics, which

continuously checks that the key components of the instrument are working

properly.The integrated self-diagnostics, as well as the reporting of an

over-range or under-range condition, ensure high operational safety.

The attachable indicator is delivered tested and fully calibrated. It is therefore

ready for operation, though it must rst be congured for the particular

application. See chapter 5.3 “Conguration of the display”.

2.2 Scope of delivery

The scope of delivery includes the following components:

■

Attachable indicator

■

2 mounting screws (68 mm and 75 mm [2.68 in and 2.95])

■

Black prole sealing

■

Operating instructions

Cross-check scope of delivery with delivery note.

WIKA operating instructions attachable indicator model A-AI-16

2018357.08 11/2022 EN/DE

3. Safety

3.1 Explanation of symbols

WARNING!

... indicates a potentially dangerous situation that can result in

serious injury or death, if not avoided.

CAUTION!

... indicates a potentially dangerous situation that can result in

light injuries or damage to property or the environment, if not

avoided.

DANGER!

...identies hazards caused by electric power. Should the

safety instructions not be observed, there is a risk of serious or

fatal injury.

Information

... points out useful tips, recommendations and information for

ecient and trouble-free operation.

3.2 Intended use

The model A-AI-1 attachable indicator is suitable for insertion between a

transmitter and the corresponding output connector (angular connector).

This instrument is not permitted to be used in hazardous areas!

The instrument has been designed and built solely for the intended use

described here, and may only be used accordingly.

The technical specications contained in these operating instructions must

be observed. Improper handling or operation of the instrument outside of its

technical specications requires the instrument to be taken out of service

immediately and inspected by an authorised WIKA service engineer.

Handle electronic precision measuring instruments with the required care

(protect from humidity, impacts, strong magnetic elds, static electricity

WIKA operating instructions attachable indicator model A-AI-1 7

2018357.08 11/2022 EN/DE

3. Safety

and extreme temperatures, do not insert any objects into the instrument or

its openings). Connectors and female connectors must be protected from

contamination.

The manufacturer shall not be liable for claims of any type based on

operation contrary to the intended use.

3.3 Improper use

WARNING!

Injuries through improper use

Improper use of the instrument can lead to hazardous

situations and injuries.

▶Refrain from unauthorised modications to the instrument.

▶Do not use the instrument within hazardous areas.

Any use beyond or dierent to the intended use is considered as improper

use.

Do not use this instrument in safety or emergency stop devices.

DANGER!

Danger to life caused by electric current

Upon contact with live parts, there is a direct danger to life.

▶The instrument may only be installed and mounted by skilled

personnel.

This instrument has been designed and tested in accordance with the

relevant safety regulations for electronic measuring instruments.

The trouble-free function and operational safety of the instrument can only be

guaranteed if the general safety measures and the instrument-specic safety

instructions given in this manual are followed.

WIKA operating instructions attachable indicator model A-AI-18

2018357.08 11/2022 EN/DE

3. Safety

WARNING!

■

Observe the operating parameters in accordance with

chapter 9 „Specications“.

■

Prior to opening the instrument, disconnect it from the

auxiliary power. Take care that, in tting the instrument and

connections, all components are protected against direct

contact.

■

Design the wiring particularly carefully when connecting

to other devices (e.g. a PC). Under certain circumstances,

internal connections in third-party devices (e.g. GND

connected to the safety earth) can lead to impermissible

voltages.

■

If the connected cable is longer than 30 metres, or leaves

the building, an additional and suitable overvoltage

protection should be provided.

The safety of the user and the plant may be endangered if, for example, the

instrument:

■

shows visible damage.

■

is no longer working as specied.

■

has been stored under unsuitable conditions for an extended period of

time.

If there is any doubt, please return the instrument to the manufacturer for

repair or maintenance.

3.4 Personnel qualication

WARNING!

Risk of injury should qualication be insucient!

Improper handling can result in considerable injury and

damage to property.

▶The activities described in these operating instructions

may only be carried out by skilled personnel who have the

qualications described below.

▶Keep unqualied personnel away from hazardous areas.

Skilled electrical personnel

Skilled electrical personnel are understood to be personnel who, based on

their technical training, know-how and experience as well as their knowledge

WIKA operating instructions attachable indicator model A-AI-1 9

2018357.08 11/2022 EN/DE

3. Safety

of country-specic regulations, current standards and directives, are capable

of carrying out work on electrical systems and independently recognising

and avoiding potential hazards.The skilled electrical personnel have been

specically trained for the work environment they are working in and know

the relevant standards and regulations.The skilled electrical personnel must

comply with current legal accident prevention regulations.

3.5 Labelling, safety marks

Product label (example)

Model

Voltage supply

Order number

Date of manufacture

Serial number

Order code

Input current

Symbols

Before mounting and commissioning the instrument, ensure

you read the operating instructions!

Do not dispose of with household waste. Ensure a proper

disposal in accordance with national regulations.















WIKA operating instructions attachable indicator model A-AI-110

2018357.08 11/2022 EN/DE

4. Transport, packaging and storage

4.1 Transport

Check the attachable indicator for any damage that may have been caused

during transportation. Obvious damage must be reported immediately.

CAUTION!

Damage through improper transport

With improper transport, a high level of damage to property

can occur.

▶When unloading packed goods upon delivery as well as

during internal transport, proceed carefully and observe the

symbols on the packaging.

▶With internal transport, observe the instructions in chapter

4.2 “Packaging and storage”.

If the instrument is transported from a cold into a warm environment, the

formation of condensation may result in instrument malfunction. Before

putting it back into operation, wait for the instrument temperature and the

room temperature to equalise.

4.2 Packaging and storage

Do not remove packaging until just before mounting.

Keep the packaging as it will provide optimum protection during transport

(e.g. change in installation site, sending for repair).

Permissible conditions at the place of storage:

■

Storage temperature: -20 ... +70 °C[-4 ... +158 °F]

■

Humidity: 0 ... 80 % r. h. (non-condensing)

Avoid exposure to the following factors:

■

Direct sunlight or proximity to hot objects

■

Mechanical vibration, mechanical shock (putting it down hard)

■

Soot, vapour, dust and corrosive gases

■

Hazardous environments, ammable atmospheres

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