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Transmitter Unit for Meter Readings ENCO - F/M

PRODUCT INFORMATION

Serving the Gas Industry Worldwide

TRANSMITTER UNIT FOR METER READINGS ENCO - F/M Description, specifications

Beschreibung

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The ENCO transmitter unit for meter readings allows the mechanical digital index reading of a turbine meter or a rotary displacement meter to be displayed and digitally transmitted to a volume corrector. This enables the user to read out the mechanical meter reading from the central computer.

The device consists of an incremental encoder and an electronic totalizing unit. The pulse transmitters of the encoder are extremely reliable and absolutely bounce-free Wiegand sensors which can also detect the direction of rotation.

Therefore, if the meter runs backwards, the electronic totalizing unit will run backwards, too, and always show the same reading as the digital index.

The electronic unit shows the meter reading. It is supplied by the digital interface and additionally comprises a back-up battery.

There are two versions available: ENCO-F (for RMG meters) and ENCO-M (for all meters with a standardized mechanical drive shaft).

ENCO F The version ENCO-M shows not only the meter reading, but also the flow rate and the maximum value.

The original frequency of the sensors is outputted through the pulse output, and maximum values are between 2 Hz (DN 600) and 30 Hz (DN 50), if RMG gas meters are used.

The ENCO-F is to be directly installed on the RMG turbine meter with an “F” meter head. The associated transmitter is to be inserted into the mechanical meter head.

ENCO-M The ENCO-M is to be directly installed on a gas meter with a mechnical drive shaft. The transmitter is located inside the ENCO housing.

As the ENCO-M is operated with LF pulses, no calculation of the flow rate is carried out.

Specifications ENCO - F PTB approval

1)

ENCO - M

No. 7.711/02.03

No. 7.711/02.03

+60°C1)

-20°C to +60°C1)

Temperature range

-20°C to

Degree of protection

IP 65

IP 65

Explosion-protection class

II 2 G EEx ib[ia] IIC T3/T41)

II 2 G EEx ib[ia] IIC T3/T41)

Explosion-protection approval

TÜV 02 ATEX 1970

TÜV 02 ATEX 1970

Dimensions

W x H x D = 145 x 100 x 80 mm

W x H x D = 225 x 135 x 100 mm

Weight

0.85 kg

1.35 kg

Interfaces

- NAMUR (towards the corrector) - Service interface

- NAMUR (towards the corrector) - Service interface

Pulse / alarm outputs

2 pulse outputs (up to approx. 30 Hz) 1 alarm output “Open drain” transistor Tpulse = 1 ms, Umax=28 V, Imax = 20 mA (Ex), 400 mA (NonEx)

alarm output “Open drain” transistor Tpulse = 1 ms, Umax=28 V, Imax = 20 mA (Ex), 400 mA (NonEx)

Flow display

Available

Not available

Display of maximum values

Available, for the flow value

Not available

Current output (option)

4 - 20 mA Umin = 12 V, Umax = 28 V, max. load (at 28 V): 800 Ω

Not available

If the maximum temperature is 60°C, the temperature class is T3; in the case of a maximum of 40°C, it is T4.

TRANSMITTER UNIT FOR METER READINGS ENCO - F/M Features

Features ENCO-F

Features ENCO-M

• PTB-approved

• PTB-approved

• Flow display

• Alarm output

• Display of maximum values

• Meter reading can be adjusted digitally.

• Alarm output

• Direction of rotation of the mechanical drive shaft can be programmed.

• Meter reading can be adjusted digitally.

• Additional HF pulse output available on the ENCO-F. • For retrofitting to all Type F totalizing units (from Oct. 1999).

• Explosion-protected (Ex) and not explosion-protected (Non-Ex) designs • Custody transfer transmission of meter readings

• For retrofitting to all totalizing units with mechanical drive shafts (in accordance with EN 12261) • Explosion-protected (Ex) and not explosion-protected (Non-Ex) designs • Custody transfer transmission of meter readings

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For More Information To learn more about RMG´s advanced gas solutions, contact your RMG account manager or visit www.rmg.com GERMANY

ENGLAND

Honeywell Process Solutions

Honeywell Process Solutions

RMG Regel + Messtechnik GmbH

Bryan Donkin RMG Gas Controls Ltd.

Osterholzstrasse 45

Enterprise Drive, Holmewood

34123 Kassel, Germany

Chesterfield S42 5UZ, England

Tel: +49 (0)561 5007-0

Tel: +44 (0)1246 501-501

Fax: +49 (0)561 5007-107

Fax: +44 (0)1246 501-500

Honeywell Process Solutions

CANADA

RMG Messtechnik GmbH

Honeywell Process Solutions

Otto-Hahn-Strasse 5

Bryan Donkin RMG Canada Ltd.

35510 Butzbach, Germany

50 Clarke Street South, Woodstock

Tel: +49 (0)6033 897-0

Ontario N4S 0A8, Canada

Fax: +49 (0)6033 897-130

Tel: +1 (0)519 5398531 Fax: +1 (0)519 5373339

Honeywell Process Solutions RMG Gaselan Regel + Messtechnik GmbH

USA

Julius-Pintsch-Ring 3

Honeywell Process Solutions

15517 Fürstenwalde, Germany

Mercury Instruments LLC

Tel: +49 (0)3361 356-60

3940 Virginia Avenue

Fax: +49 (0)3361 356-836

Cincinnati, Ohio 45227, USA Tel: +1 (0)513 272-1111

Honeywell Process Solutions

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WÄGA Wärme-Gastechnik GmbH Osterholzstrasse 45

TURKEY

34123 Kassel, Germany

Honeywell Process Solutions

Tel: +49 (0)561 5007-0

RMG GAZ KONT. SIS. ITH. IHR. LTD. STI.

Fax: +49 (0)561 5007-207

Birlik Sanayi Sitesi, 6.

Cd. 62. Sokak No: 7-8-9-10

POLAND

TR - Sasmaz / Ankara, Turkey

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Tel: +90 (0)312 27810-80

Gazomet Sp. z o.o.

Fax: +90 (0)312 27828-23

ul. Sarnowska 2 63-900 Rawicz, Poland Tel: +48 (0)65 5462401 Fax: +48 (0)65 5462408

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