Endress+Hauser AT1000 AT1 Manuale utente

BA00414G/08/EN/01.11

71147925

Operating Instructions

Analog Transmitter AT1000 AT1

Alarm transmitter for mechanical level gauges

Analog Transmitter AT1

Endress+Hauser 2

Teble of contents

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

1.1 Designated use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.2 Installation, commissioning and operation . . . . . . . . . . . . . 3

1.3 Operational safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.4 Notes on safety conventions and symbols . . . . . . . . . . . . . 4

2. Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

2.1 Device designation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.2 Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.3 Scope of delive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.4 Registered trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

3.1 Incoming acceptance, transport, storage . . . . . . . . . . . . . . 9

3.2 Installation conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.3 Installation with Level gauge . . . . . . . . . . . . . . . . . . . . . . 12

4. Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

5. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

5.1 Span Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

6. Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

7. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

7.1 Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

7.2 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

7.3 Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

7.4 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

7.5 Contact addresses of Endress+Hauser . . . . . . . . . . . . . . 23

8. Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Table of contents

Analog Transmitter AT1

Endress+Hauser 3

1 Safety instructions

1.1 Designated use

Analog transmitter AT1 is designed to be installed onto LT and LTC series level gauging systems. The device

transmit the level information into electric current, voltage, and resistance signals. Also it could be equipped

with maximum of 6 alarm contact signals.

Along with the level transmission, contact signals can be received by this transmitter alone. Thus, the valve

and pump can easily be controlled.

1.2 Installation, commissioning and operation

• Mounting, electrical installation, start-up and maintenance of the instrument may only be carried out by

trained personnel authorized by the operator of the facility.

• Personnel must absolutely and without fail read and understand these installation instructions before carry-

ing out the procedures..

• The instrument may only be operated by personnel who are authorized and trained by the operator of the

facility. All instructions in this manual are to be observed without fail.

• The installer must make sure that the measuring system is correctly wired according to the wiring diagrams.

The measuring system is to be grounded.

• Please observe all provisions valid for your country and pertaining to the opening and repairing of electrical

devices.

1.3 Operational safety

1.3.1 Hazardous areas

Measuring systems for use in hazardous environments are accompanied by separate "Ex documentation",

which is an integral part of this Operating Manual. Strict compliance with the installation instructions and

ratings as stated in this supplementary documentation is mandatory.

• Ensure that all personnel are suitably qualified.

• Observe the specifications in the certificate as pipe as national and local regulations.

Caution!

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s

authority to operate the equipment.

1 Safety instructions

Analog Transmitter AT1

4Endress+Hauser

1.4 Notes on safety conventions and symbols

In order to highlight safety-relevant or alternative operating procedures in the manual, the following

conventions have been used, each indicated by a corresponding symbol in the margin.

Safety conventions

Symbol Meaning

Warning!

A warning highlights actions or procedures which, if not performed correctly,

will lead to personal injury, a safety hazard or destruction of the instrument.

Caution!

Caution highlights actions or procedures which, if not performed correctly,

may lead to personal injury or incorrect functioning of the instruments.

Note!

A note highlights actions or procedures which, if not performed correctly,

may indirectly affect operation or may lead to an instrument response which

is not planned.

Device certified for use in explosion hazardous area

If the device has this symbol embossed on its name plate it can be installed

in an explosion hazardous area.

Explosion hazardous area

Symbol used in drawings to indicate explosion hazardous area.

- Devices located in and wiring entering areas with the designation

"explosion hazardous areas" must conform with the stated type of

protection.

Safe area (non-explosion hazardous area)

Symbol used in drawings to indicate, if necessary, non-explosion hazardous

areas.

- Devices located in safe areas still require a certificate if their outputs run

into explosion hazardous areas.

Direct voltage

A terminal to which or from which a direct current or voltage may be

applied or supplied

Alternating voltage

A terminal to which or from which an alternating (sine-wave) current or

voltage may be applied or supplied

Grounded terminal

A grounded terminal, which as far as the operator is concerned, is already

grounded by means of an earth grounding system.

Protective grounded (earth) terminal

A terminal which must be connected to earth ground prior to making any

other connection to the equipment.

Equipotential connection (earth bonding)

A connection made to the plant grounding system which may be of type e.g.

neutral star or equipotential line according to national or company practice

1 Safety instructions

Analog Transmitter AT1

Endress+Hauser 5

2 Identification

2.1 Device designation

2.1.1 Nameplate

The follow technical data are given on the instrument nameplate:

TIIS approval type

Order cord

Measuring range

Serial number

Explosion model

Protection class

Contact output

Power

Output

Analog output

2 Identification

Analog Transmitter AT1

6Endress+Hauser

2.2 Ordering information

010 Output:

14-20mA

210-50mA

30-1mA

40-20mA

50-10mVDC

60-1VDC

9 Special version, TSP-no. to be spec.

020 Power Type:

1AC

2DC

030 Alarm Output:

0Notused

2 2 - point

4 4 - point

6 6 - point

040 Approval:

B Flame proof d2G4, TIIS + cable gland

E Flame proof d2G4, TIIS

W Weather proof IP65

Y Special version, TSP-no. to be spec.

050 Function:

0 Basic version

9 Special version, TSP-no. to be spec.

060 Power Supply:

1 100VAC, 50/60Hz

2 110VAC, 50/60Hz

3 200VAC, 50/60Hz

4 220VAC, 50/60Hz

524VDC

9 Special version, TSP-no. to be spec.

070 Cable Entry:

A 1 x thread PF (G) 3/4

B 2 x thread PF (G) 3/4

C 1 x thread PF (G) 1-1/2

D 1 x thread PF (G) 1-1/2, 1x PF (G) 3/4

E 1 x gland PF (G) 3/4, TF16-11

F 2 x gland PF (G)3/4, TF16-11

G 1 x gland PF (G) 1, TF22-15

H1xthreadNPT1

K 1 x thread M25

M 1 x gland PF (G) 1-1/4, TF28-20,1x gland PF (G) 3/4, TF16-11

Q 1 xthread NPT 3/4

R 2 xthread NPT3/4

Y Special version, TSP-no. to be spec.

080 Installation Gauge:

1 LT1100/LT1200/LT3100/LT3200 R:300mm low pressure LT version

2 LT1400/LT1600/LT3400/LT3600 R:300mm high pressure LT version

3 LTC2100 L:600mm

4 LTC2230/LTC2240 R:600mm

9 Special version, TSP-no. to be spec.

2 Identification

Analog Transmitter AT1

Endress+Hauser 7

090 Measuring Range:

A1.5m

12.5m

C3m

D3.5m

E4m

25m

F6m

G8m

310m

H12m

J14m

416m

520m

K25m

630m

9 Special version, TSP-no. to be spec.

100 Alarm Contact:

0Notused

1A=normal

2B=nomalclosed

3 C = transfer contact

110 Colour:

0 Silver

9 Special version, TSP-no. to be spec.

AT1- Complete product designation

2 Identification

Analog Transmitter AT1

8Endress+Hauser

2.3 Scope of delivey

Caution!

It is essential to follow the instructions concerning the unpacking, transport and storage of

measuring instruments given in the chapter "Incoming acceptance, transport, storage".

The scope of delivery consists of:

• Assembled instrument

Accompanying documentation:

• Operating manual (this manual)

2.4 Registered trademarks

HART®

Registered trademark of HART Communication Foundation, Austin, USA

2 Identification

Analog Transmitter AT1

Endress+Hauser 9

3 Installation

3.1 Incoming acceptance, transport, storage

3.1.1 Incoming acceptance

Check the packing and contents for any signs of damage.

Check the shipment, make sure nothing is missing and that the scope of supply matches your order.

3.1.2 Transport

Caution!

Follow the safety instructions and transport conditions for instruments of more than 18kg. Do not lift the

measuring instrument by its housing in order to transport it.

3.1.3 Storage

Pack the measuring instrument so that is protected against impacts for storage and transport. The original

packing material provides the optimum protection for this.

The permissible storage temperature is -20°C...+60°C (-4°F...+140°F)

3 Installation

Analog Transmitter AT1

10 Endress+Hauser

3.2 Installation conditions

3.2.1 Dimensions

Flame proof type

Alarm output: 0, 2, 4, 6 points

Weather proof

Alarm output: 0, 2 points, In case of Cable Entry PF(G)3/4,NPT3/4

266

Cover

Terminal box

Ø218

Ø136

locking clamp

locking

clamp

193

Main body

266

Ø218

Cover

Main body

Ø116

Terminal box

203

3 Installation

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