ABB 266CRx, 266CSx, 266JRx, 266JSx User Manual

—

ABB MEASUREMENT & ANALYTICS | OPERATING INSTRUCTION

266CRx, 266CSx, 266JRx, 266JSx

Multivariable pressure transmitters

Engineered solutions for all applications

Measurement made easy

—

266 multivariable

Introduction

The 2600T family provides comprehensive range of top quality pressure measurement products, specifically designed to meet the widest range of applications ranging from arduous conditions in offshore oil and gas to the laboratory environment of the pharmaceutical industry.

For more information

Further publications for 2600T series pressure products are available for free download from:

www.abb.com/pressure

or by scanning this code:

Download the Brochure or search for RB/2600T-EN on https://library.abb.com/en.

Contents

1 ABB .............................................................................. 4

2 Introduction ................................................................... 4

2.1 About the manual ............................................. 4

2.2 Structure of the operating manual ...................... 4

2.3 Customer Service Centers worldwide ................ 4

3 Safety ........................................................................... 5

3.1 General information and notes for the reader ..... 5

3.2 Intended use .................................................... 5

3.3 Improper use .................................................... 5

3.4 Target groups and qualifications ........................ 5

3.5 Warranty provisions .......................................... 5

3.6 Plates and symbols ........................................... 6

3.6.1 Safety / warning symbols, note symbols ............ 6

3.7 Compliance with Pressure Equipment Directive

(2014/68/EU) .................................................... 6

3.8 Transport .......................................................... 6

3.9 Transport safety instructions ............................. 6

3.10 Obligations of the owner ................................... 6

3.11 Storage conditions ............................................ 7

3.12 Safety instructions for electrical installation ........ 7

3.13 Safety instructions for operation ........................ 7

3.14 Safety information for inspection and maintenance

........................................................................ 7

3.15 Returning devices ............................................. 7

3.16 Integrated management sys tem ........................ 7

3.17 Disposal ........................................................... 8

3.17.1 Information on WEEE Directive 2012/19/EU

(Waste Electrical and Electronic Eq uipment) ...... 8

3.17.2 ROHS Directive 2011/65/EU ............................. 8

3.18 Cyber security .................................................. 8

4 Unpacking the device .................................................... 8

4.1 Scope of delivery .............................................. 8

4.2 Identification ..................................................... 8

4.3 Storage ............................................................ 8

4.4 Handling ........................................................... 8

5 Product identification ..................................................... 9

6 Use in potentially explosive atmospheres ..................... 10

6.1 Hazardous atmospheres ................................. 10

7 Function and system design......................................... 11

7.1 Components of the pressure transmitter .......... 11

7.2 Product description ......................................... 11

7.3 Measuring range limits and span limits ............ 11

8 Mounting ..................................................................... 12

8.1 IP rating ......................................................... 12

8.2 Factory settings .............................................. 12

8.3 Venting / draining transmitters without diaphragm

seals .............................................................. 13

8.4 Mounting position ........................................... 13

8.5 Mounting dimensions 266CRx/JRx .................. 14

8.5.1 Transmitter with barrel housing ....................... 14

8.5.2 Transmitter with barrel housing and mounting bracket, for vertical or horizontal mounting on

60 mm (2 in.) pipe ........................................... 15

8.5.3 Transmitter with DIN housing and mounting bracket, for vertical or horizontal mounting on

60 mm (2 in.) pipe ........................................... 16

8.5.4 Transmitter with barrel housing and flat bracket, for vertical or horizontal mounting on

60 mm (2 in.) pipe ........................................... 17

8.6 Mounting dimensions 266CSx/JSx .................. 18

8.6.1 Transmitter with barrel housing - Horizontal

flanges ........................................................... 18

8.6.2 Transmitter with barrel housing - Vertical flanges

...................................................................... 19

8.6.3 Transmitter with mounting bracket, for vertical or horizontal mounting on 60 mm (2 in.) pipe pipe 20

8.6.4 Transmitter with DIN aluminum housing horizontal flanges with mounting bracket for vertical or horizontal mounting on 60 mm (2 in.)

pipe ................................................................ 21

8.6.5 Transmitter with flat bracket, for vertical or

horizontal mounting on 60 mm (2 in.) pipe ....... 22

8.6.6 Installation via (optional) mounting brackets..... 23

8.7 Rotating the transmitter housing ...................... 23

8.8 Rotating the integral LCD display .................... 24

8.9 Connecting impulse lines ................................ 24

8.10 Process connections ....................................... 25

8.11 Temperature measurement ............................. 25

8.12 Mounting recommendations ............................ 25

8.12.1 Flow measurement of steam (condensible vapor)

or clean liquids ............................................... 26

8.12.2 Flow measurement of gas or liquid with solids in

suspension ..................................................... 26

8.12.3 Fill level measurement on closed tanks ........... 27

8.12.4 Fill level measurement on open tanks with fluids28

8.12.5 Fill level measurement on the s team boiler (drum

water level) ..................................................... 28

9 Electrical connections .................................................. 29

9.1 Cable connections .......................................... 29

9.2 Connection of the analog output (HART) ......... 30

9.3 Digital output (pulse / limit output).................... 31

9.4 Wiring ............................................................ 31

9.5 Protective conductor connection / grounding.... 31

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10 Commissioning ............................................................ 32

10.1 General remarks ............................................. 32

10.2 Output signal .................................................. 32

10.3 Zero point correction following installation ........ 32

10.3.1 Setting precalibrated devices ........................... 33

10.3.2 Zero-point increase/suppression on precalibrated

devices ........................................................... 33

11 Configuration ............................................................... 34

11.1 Write protection .............................................. 34

11.2 Hardware settings ........................................... 34

11.3 Factory settings .............................................. 35

11.4 Configuration of the transmitter without integrated

LCD display .................................................... 36

11.4.1 Configuration of LRV and URV (4 … 20 mA

range)............................................................. 36

11.5 Configuration of the pressure transmitter menu-

controlled without integrated LCD display ........ 37

11.5.1 Menu navigation ............................................. 37

11.5.2 Menu levels .................................................... 37

11.5.3 Activation of the operating menu ..................... 38

11.5.4 Selecting and changing parameters ................. 40

11.5.5 Easy Set-Up ................................................... 42

11.5.6 Overview of parameters on the configuration level

..................................................................... 44

11.6 Configuration with the PC / laptop or handheld

terminal .......................................................... 56

11.7 Damping and transmission function ................. 57

11.7.1 Damping ......................................................... 57

11.7.2 Transmission function ..................................... 57

14 Maintenance / Repair ................................................... 73

14.1 Dismounting ................................................... 73

14.2 Safeguard the housing cove r for devices with “Ex

d” type of protection ........................................ 73

14.3 Mounting / dismounting the button unit ............ 74

14.4 Mounting / dismounting the LCD display .......... 74

14.5 Measuring cell of the multivariable transmitter .. 74

14.6 Removing / installing the process flange .......... 75

14.6.1 Replacing the measuring cell........................... 75

12 Error messages ........................................................... 61

12.1 Error states and alarms ................................... 61

13 Ex relevant specifications ............................................. 67

13.1 Specific Conditions of Use (X) ......................... 67

13.2 Explosion protection requirements and IP rating

(ATEX) ........................................................... 67

13.3 Applications for "Ex ia" transmitters categories 1 G

and 1 D .......................................................... 67

13.3.1 Example applications ...................................... 68

13.4 Applications for Ex ia transmitters categories

1/2 G and 1/2 D .............................................. 69

13.4.1 Example applications ...................................... 69

13.5 Application for Ex d transmitters categories 1/2 G

and 1/2 D........................................................ 70

13.5.1 Example applications ...................................... 70

13.6 Applications for Ex nL transmitters Categories 3 G

and 3 D .......................................................... 71

13.6.1 Example applications ...................................... 71

13.7 Electrical data for the LCD display ................... 72

13.8 Explosion protection requiremen ts (North

America) ......................................................... 72

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1 ABB

ABB is an established multinational company which develops and manufactures products for measurement technology. We offer our customers application know-how, service, and support all over the world. The quality, accuracy, and performance of our products are the result of more than 100 years of experience and ongoing innovative developments featuring the very latest technologies.

2.3 Customer Service Centers worldwide

For support of ABB instrumentation products local subsidiaries are available worldwide. If it is not possible for you to contact the ABB subsidiary in your country, you can also contact one of the following competence centers for pressure measurement technology.

ABB S.p.A. Industrial Automation Via Vaccani, 4 Loc. Ossuccio 22016 Tremezzina (Co) Italy Tel: +39 0344 58111 Fax: +39 0344 56278

2 Introduction

2.1 About the manual

This manual is an operating and maintenance manual for the series 2600T pressure transmitter models. It contains information on initial installation, configuration, calibration and fault correction. Read this manual before working with the product.

2.2 Structure of the operating manual

This manual describes the installation, operation, and fault correction of model 266Jxx and 266Cxx pressure transmitters. The sections of this manual describe the individual phases of the product life cycle, starting with delivery and identification of the transmitter, the installation and electrical connection, configuration, extending to fault correction and maintenance. For special applications that are not considered in the examples, we recommend that you first familiarize yourself with the mode of operation of the pressure transmitter based on this manual. Helps for calibration or fault correction are provided directly in the respective chapters. If there are additional questions the user can contact ABB directly. All addresses in this regard are on the last page of this manual. Additional information is on the website at www.abb.com/measurement.

ABB Inc. Industrial Automation 125 E. County Line Road Warminster, PA 18974 USA Tel.: +1 215 674 6000 Fax: +1 (0)215 674 7183 measurement@us.abb.com

ABB Inc. Industrial Automation 3450 Harvester Road Burlington Ontario L7N 3W5 Canada Tel.: +1 905 639 8840 Fax: +1 (0)905 639 8639

ABB India Limited Industrial Automation Peenya Industrial Area, Peenya Bangalore, Karnataka 560058 India Tel.: +91 80 4206 9950 Fax: +91 (0)80 2294 9389

ABB Engineering (Shanghai) Ltd. Industrial Automation No. 4528, Kangxin Highway, Pudong New District, Shanghai 201319 P.R. China Tel.: +86 21 6105 6666 Fax: +86 (0)21 6105 6677

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3 Safety

3.1 General information and notes for the reader

These instructions are an important part of the product and must be retained for future reference. Installation, commissioning, and maintenance of the product may only be performed by trained specialist personnel who have been authorized by the plant operator accordingly. The specialist personnel must have read and understood the manual and must comply with its instructions. For additional information or if specific problems occur that are not discussed in these instructions, contact the manufacturer. The content of these instructions is neither part of nor an amendment to any previous or existing agreement, promise or legal relationship. Modifications and repairs to the product may only be performed if expressly permitted by these instructions. Information and symbols on the product must be observed. These may not be removed and must be fully legible at all times. The operating company must strictly observe the applicable national regulations relating to the installation, function testing, repair and maintenance of electrical products.

3.2 Intended use

The 266Jxx / 266Cxx multivariable pressure transmitters measure the mass flow of gases, vapors, and liquids in the process industry. For information on measuring ranges and permissible overload, refer to the section "Specifications".

3.3 Improper use

The following are considered to be instances of improper use of the device: — For use as a climbing aid, e.g. for mounting purposes — For use as a support for external loads, e.g. as a support

for piping, etc.

— Material application, e.g. by painting over the housing,

name plate or welding/soldering on parts.

— Material removal, e.g. by spot drilling the housing.

3.4 Target groups and qualifications

Installation, commissioning and maintenance of the product may only be performed by trained specialist personnel who have been authorized by the plant operator to do so. The specialist personnel must have read and understood the manual and comply with its instructions. The operators must strictly observe the applicable national regulations with regards to installation, function tests, repairs, and maintenance of electrical products.

3.5 Warranty provisions

Using the device in a manner that does not fall within the scope of its intended use, disregarding this manual, using underqualified personnel, or making unauthorized alterations releases the manufacturer from liability for any resulting damage. This renders the manufacturer's warranty null and void.

Using these products as intended includes compliance with the following points: — Read and follow the instructions in this manual — The technical limit values must be complied with (refer to

the section “Technical data").

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3.6 Plates and symbols

3.6.1 Safety / warning symbols, note symbols

DANGER – Serious damage to health / risk to life This symbol in conjunction with the signal word "DANGER" indicates an imminent danger. Failure to observe this safety information will result in death or severe injury.

3.7 Compliance with Pressure Equipment Directive (2014/68/EU)

Devices with PS > 200 Devices with a permissible pressure of PS > 200 bar (20 MPa) have been tested for compliance by the notified body (0474) according to module H and can be used for liquids of group 1 (PED: 1G). The rating plate contains the following designations: PED: 1G.

DANGER – Serious damage to health / risk to life This symbol in conjunction with the signal word "DANGER" indicates an imminent electrical hazard. Failure to observe this safety information will result in death or severe injury.

WARNING – Bod ily injury This symbol in conjunction with the signal word "WARNING" indicates a potentially dangerous situation. Failure to observe this safety information may result in death or severe injury.

WARNING – Bod ily injury This symbol in conjunction with the signal word "WARNING" indicates a potential electrical hazard. Failure to observe this safety information may result in death or severe injury.

CAUTION – Minor injuries This symbol in conjunction with the signal word "CAUTION" indicates a potentially dangerous situation. Failure to observe this safety information may result in minor or moderate injury. The symbol may also be used for property damage warnings.

NOTICE – Property damage This symbol indicates a potentially damaging situation. Failure to observe this safety information may result in damage to or destruction of the product and / or other system components.

Devices with PS ≤ 200 Devices with a permissible pressure PS ≤200 bar correspond to article 4 paragraph 3. They have not been subject to a conformity validation. These instruments were designed and manufactured according to SEP Sound Engineering Practices.

3.8 Transport

After final calibration, the device is packed in a carton to provide protection against physical damage.

3.9 Transport safety instructions

Observe the following instructions: — Do not expose the device to humidity during transport.

Pack the device accordingly.

— Pack the device so that it is protected against vibrations

during transport, e.g., by using air-cushioned packaging.

Prior to installation, check the devices for possible damage that may have occurred as a result of improper transport. Details of any damage that has occurred in transit must be recorded on the transport documents. All claims for damages must be submitted to the shipper without delay and before installation.

3.10 O bligations of the owner

Prior to using the devices with corrosive or abrasive media, the owner must check the level of resistance of all parts that come into contact with the process liquid. ABB would be pleased to provide support in the selection of suitable materials, however we can assume no liability whatsoever.

IMPORTANT (NOTE) This symbol indicates operator tips, particularly useful information, or important information about the product or its further uses. The signal word "IMPORTANT (NOTE)" does not indicate a dangerous or harmful situation.

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3.11 Stor age conditions

— The device must be stored in dry and dust-free

conditions. Always keep the device in its original package during storage / transport.

— Observe the permissible ambient conditions for transport

and storage according to the chapter “Technical Data”.

— In principle, the devices may be stored for an unlimited

period. However, the warranty conditions stipulated in the order confirmation of the supplier apply.

3.12 Safet y instructions for electrical installation

The electrical connection may only be established by authorized specialist personnel and in accordance with the connection diagrams. The electrical connection information in this manual must be observed; otherwise, the IP rating may be adversely affected. Ground the measurement system according to requirements.

3.13 Safet y instructions for operation

Before switching on the device, make sure that your installation complies with the environmental conditions listed in the chapter “Technical Data” or on the data sheet. If there is a chance that safe operation is no longer possible, take the device out of operation and secure it against unintended startup.

3.15 Retur ning devices

Use the original packaging or a secure transport container of an appropriate type if you need to return the device for repair or recalibration purposes. Fill out the return form (see the Appendix) and include this with the device. According to the EU Directive governing hazardous materials, the owner of hazardous waste is responsible for its disposal or must observe the following regulations for shipping purposes: All devices delivered to ABB must be free from any hazardous materials (acids, alkalis, solvents, etc.).

3.16 I ntegrated management system

ABB actively promotes environmental awareness and has an operational management system that meets the requirements of ISO 9001:2015, ISO 14001:2015, and OHSAS 18001:2007. Our products and solutions are intended to have minimum impact on the environment and persons during manufacturing, storage, transport, use and disposal. This includes the environmentally friendly use of natural resources. ABB conducts an open dialog with the public through its publications.

3.14 Safet y information for inspection and maintenance

WARNING – Electrical dangers! When the housing is open, EMC protection is impaired and there is no longer any protection against accidental contact. Switch off the power supply before opening the housing.

Corrective maintenance work may only be performed by trained personnel. — Before removing the device, depressurize it and any

adjacent lines or containers.

— Check whether hazardous materials have been used as

materials to be measured before opening the device. Residual amounts of hazardous material may still be present in the device and could escape when it is opened.

Within the scope of operator responsibility, check the following as part of a regular inspection: — the pressure-carrying walls / lining of the pressure

device — the measurement-related function — the leak tightness — the wear (corrosion)

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3.17 Disposal

This product is manufactured from materials that can be recycled by specialist recycling companies.

3.17.1 Information on WEEE Directive 2012/19/EU (Waste Electrical and Electronic Equipment)

This product or solution is subject to the WEEE Directive 2012/19/EU or corresponding national laws. Starting from August 15th 2018, electrical and electronic equipment marked with the crossed-out wheeled bin symbol may not be disposed as unsorted municipal waste. Waste of electrical and electronic equipment (WEEE) shall be treated separately using the national collection framework available to customers for the return, recycling and treatment of WEEE. Proper disposal prevents negative effects on people and the environment, and supports the reuse of valuable raw materials. ABB can accept and dispose of returns for a fee.

3.17.2 ROHS II Directive 2011/65/EU

European Directives 2012/19/EU (WEEE) and 2011/65/EU (RoHS II) define the products that are subject to regulated collection and disposal or reuse in the event of disposal or at the end of their service life. RoHS also prohibits the marketing of electrical and electronic equipment that contains certain amounts of lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyls (PBB), and polybrominated diphenyl ethers (PBDE) (also known as hazardous substances with restricted uses). Standards/Specifications applied: EN 50581:2012. The product provided by ABB complies with the requirements of the substances restrictions at the time of delivery. Contamination traces for which the manufacturer is not responsible, cannot be ruled out according to generally recognized rules of technology.

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3.18 Cyber security

Disclaimer This product is designed to be connected to and to communicate information and data via a network interface. It is operator’s sole responsibility to provide and continuously ensure a secure connection between the product and your network or any other network (as the case may be). Operator shall establish and maintain any appropriate measures (such as but not limited to the installation of firewalls, application of authentication measures, encryption of data, installation of anti-virus programs, etc) to protect the product, the network, its system and the interface against any kind of security breaches, unauthorized access, interference, intrusion, leakage and/or theft of data or information. ABB and its affiliates are not liable for damages and/or losses related to such security breaches, any unauthorized access, interference, intrusion, leakage and/or theft of data or information. Communication protocol specific The HART protocol is an unsecured protocol, such as the intended application should be assessed to ensure that these protocols are suitable before implementation.

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4 Unpacking the device

4.1 Scope of delivery

— Multivariable transmitter model 266Cxx or 266Jxx — Multilingual Quick Reference Manual, calibration

protocol, and possibly optionally requested certificates in an envelope.

— Hexagon socket wrench for unscrewing the fastening

screws of the housing

— Additional parts as specified in the purchase order:

— 1/2”-NPT-f adapter with appropriate seals — Fastening accessories — Accessories for the electrical connection

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4.2 Identification

Identify the device in accordance with the instructions in chapter “Product identification” to ensure it is the right device.

4.3 Storage

Special measures are not required for storing the device in shipping status and in accordance with the specified storage conditions. The storage period is unlimited. The guarantee conditions agreed with the company and specified in the order confirmation remain unaffected.

4.4 Handling

Special precautionary measures are not required for handling of the device. However, standard procedures must be complied with.

5 Product identification

ABB S.p .A.

Made in Italy

The device is identified via the signs (plates) presented in Fig. 1. The certification plate (A) is on the transmitter and indicates whether the device is designed for general use or for use in hazardous areas. The name plate (B) provides information including the model number, maximum operating pressure, measuring range limits and span limits, power supply, output signal, membrane material, filling fluid, serial number, maximum permissible operating pressure (PS), and maximum permissible temperature (TS). Please specify the serial number when submitting inquiries to the ABB customer service department.

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An additional plate (C) provides the measuring point no. of the client and the calibration range. The device can be used as a pressure transfer accessory (category III) as defined by the Pressure Equipment Directive 2014/68/EU. In this case, you will find the number of the notified body that has verified compliance next to the CE mark. The certification plate shown (A) has been issued for ABB S.p.A., 22016 Tremezzina (CO), Italy and bears the following numbers: — FM09ATEX0023X — FM09ATEX0024X — FM09ATEX0025X CE-Identification number of the notified bodies to Pressure Equipment Directive: 0474, to ATEX certification: 0722.

Fig. 1: Product identification

The figure shows the transmitter with barrel housing. The 266 series also includes transmitters with DIN housing. A"

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Optional stainless steel attachment plate with customer data, fastened with wire (option code I1)

The model 266 multivariable transmitter is delivered with an optional stainless steel attachment plate with customer data that is fastened with wire. Customer specific text that has been specified in the purchase order is laser printed on the attachment plate. For this, 4 lines of 32 characters each are provided.

Fig. 2: Optional s t ainl es s s t eel at t ac hment plate with c us t omer data,

fastened with wire

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6 Use i n poten tially explosive

atmospheres

6.1 Hazardous atmospheres

With or without integral LCD display

INTRINSIC SAFETY Ex ia: ATEX Europe (c ode E 1) approv al II 1 G Ex ia IIC T6...T4 Ga, II 1/2 G Ex ia IIC T6...T4 Ga/Gb, II 1 D Ex ia IIIC T85 °C Da, II 1/2 D Ex ia IIIC T85 °C Da; IP66, IP67. IECEx (code E 8) approval Ex ia IIC T6...T4 Ga/Gb, Ex ia IIIC T85 °C Da; IP66, IP67. NEPSI China (c ode E Y) Ex ia IIC T4/T5/T6 Ga, Ex ia IIC T4/T5/T6 Ga/Gb, Ex iaD 20 T85/ T100/ T135, Ex iaD 20/21 T85/ T100/ T135. EXPLOSION PROOF: ATEX Europe (c ode E 2) approv al II 1/2 G Ex db IIC T6 Ga/Gb Ta=–50 °C to +75 °C, II 1/2 D Ex tb IIIC T85 °C Db Ta = –50 °C to +75 °C; IP66, IP67. IECEx (code E 9) approval Ex db IIC T6 Ga/ Gb Ta=–50 °C to +75 °C, Ex tb IIIC T85 °C Db Ta = –50 °C to +75 °C; IP66, IP67. NEPSI China (c ode E Z) Ex d IIC T6 Gb, Ex tD A21 IP67 T85 °C. INTRINSIC SAFETY Ex ic: ATEX Europe (c ode E 3 ) ty pe examinat ion II 3 G Ex ic IIC T6...T4 Gc, II 3 D Ex tc IIIC T85 °C Dc; IP66, IP67. IECEx (code E R) ty pe examinat ion Ex ic IIC T6...T4 Gc, Ex tc IIIC T85 °C Dc; IP66, IP67. NEPSI China (c ode E S) t y pe exami nat ion Ex ic IIC T4~T6 Gc, Ex nA IIC T4~T6 Gc, Ex tD A22 IP67 T85 °C. FM Approvals US (c ode E6) and FM Approvals Canada (c ode E 4): — Ex plosion proof (US): Class I, Zone 1 AEx d IIC T4 Gb — Ex plosion proof (Canada): Class I, Zone 1 Ex d II C T4 Gb — Noninc endiv e: Class I, Division 2,

Groups A, B, C, D T6...T4 — Energy li mited (US): Class I, Zone 2 AEx nC IIC T6...T4 — Energy li mited (Canada): Class I, Zone 2 Ex nC II C T6.. .T4 — Int rins ically saf e: Class I, II, III, Division 1,

Groups A, B, C, D, E, F, G T6...T4

Class I, Zone 0 AEx ia IIC T6...T4 (US)

Class I, Zone 0 Ex ia IIC T6...T4

(Canada) Type 4X, IP66, IP 67 for all abov e mark ings. COMBINED FM A pprovals US and Canada — Int rins ically saf e (code EA ) COMBINED A TE X, FM and IE CEx A pprov als (c ode EN) NEPSI combined (code EP = EY + EZ), (code EQ = EY + EZ + ES) Technical Regulat ions Cus t oms Union EA C (Russia, K az akhst an, Belarus), I nmetro (B razil )

For ambient temperatures -40 … 85°C (-40 … 185°F) the information based on the temperature classes in the associated certificates, must be complied with. The temperature sensor circuit (Pt100) and the digital output (pulse / limit value output) must be connected in accordance with the requirements of the Ex certificate.

WARNING - General danger for Model 266 used in Zone 0! The housing contains aluminum, which can lead to a potential danger of ignition through impact or friction. For this reason, impact or friction must be avoided during installation and use.

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7 Function and system design

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7.1 Components of the pressure transmitter

Fig. 3: Device ov erv iew

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7.2 Product description

The 266Jxx/266Cxx multivariable pressure transmitters measure the mass flow of gases, vapors, and liquids in accordance with the differential pressure procedure and the level of the liquids in the process industry. These transmitters supply an analog or digital output signal. Simultaneously and with high accuracy they measure differential pressure, static pressure and with a Pt100 in 4conductor technology, they also measure the process temperature. The differential pressure measuring ranges are scaled from 1 to 2000 kPa. The measuring ranges for static pressure are 0.6 to 2, 10 and 41 MPa. The transmitters can be overloaded on one side to the respective upper measuring range value of the static pressure.

7.3 Measuring range limits and span limits

The data sheets for the Series 2600T multivariable transmitters contain all the information concerning the measuring range and measuring span of the individual models, as well as the sensor code.

The following terminology is used for the different parameters:

URL: Upper Range Limit of a specific sensor. The highest

measured value t hat c an be measured by the transmitt er.

LRL: Lower Range Limit of a specific sensor. The lowest

measured value t hat c an be measured by the transmitt er.

URV: Upper Range Value The highest meas ured v alue to

which the transmitt er is cal ibrat ed.

LRV: Lower Range Value. The lowest measured value t o whic h

the transmitt er is c ali brated.

SPAN: Measuring span. The algebrai c diff erenc e bet ween t he

start of the meas uring range and t he end of the measuring range. The s mal lest span is the s malles t v alue that can be s elected wit hout i mpai ring t he s pec ified

measuring acc urac y. TURN DOWN RATIO:

Span ratio The ration between t he maxim um s pan and

the calibrat ed span.

The measuring transmitter can be calibrated to any measuring range between LRL and URL with the following restrictions. — LRL ≤ LRV ≤ (URL - CAL SPAN) — CAL SPAN ≥ MIN SPAN — URV ≤ URL

266CRx, 266JRx, 266CSx, 266JSx | OI/266CXX/266JXX/HART-EN Rev. C 11

8 Mounting

Before installing the transmitter, check whether the device design meets the requirements of the measuring point from a measurement technology and safety specifications point of view. This applies in respect of the: — Measuring range — Overload resistance — Temperature — Explosion protection — Operating voltage

The suitability of the materials must be checked as regards their resistance to the media. This applies in respect of the: — Gasket — Process connection, separating diaphragm, etc.

8.1 IP rating

The housing of pressure transmitters of the R266 series satisfies the requirements of IP degree of protection IP 66 / IP 67 (NEMA 4X) in accordance with IEC 60529. The first digit indicates the protection of the integrated electronics against penetration of foreign objects, including dust. The digit “6” means that the housing is dust tight (i.e. dust cannot penetrate). The second digit indicates the protection of the integrated electronics against the penetration of water. The digit “6” means that the housing is watertight and can even withstand a strong water jet under the specified conditions. The digit “7” means that the housing is watertight and can be temporarily immersed at a specified pressure and for a specific time, without water penetrating.

In addition, the relevant directives, regulations, standards, and accident prevention regulations must be observed (e. g., VDE/VDI 3512, DIN 19210, VBG, Elex V, etc.). Measurement accuracy is largely dependent on correct installation of the transmitter and, if applicable, the associated impulse line(s). As far as possible, the measuring setup should be free from critical ambient conditions such as large variations in temperature, vibrations, or shocks.

IMPORTANT (NOTICE) If unfavorable ambient conditions cannot be avoided for reasons relating to building structure, measurement technology, or other issues, the measurement quality may be affected. (See "Specifications" chapter).

If a remote seal with capillary tube is installed on the transmitter, the additional operating instructions for remote seals and the related data sheets must be observed.

8.2 Factory settings

The transmitter is factory configured according to the customer’s order specifications.

IMPORTANT (NOTICE) Under normal conditions no additional settings are required.

The typical configuration includes: — Number of the measuring point tag — Calibrated span — Configuration of the flow or liquid level calculation — Configuration of the LCD display

12 OI/266CXX/266JXX/HART-EN Rev. C | 266CRx, 266JRx, 266CSx, 266JSx

8.3 Venting / draining transmitters without diaphragm seals

Fig. 4 1 Valve on t he proces s axis | 2 Flange side v alve on t op |

3 Flange s ide v alve on t he bott om

For transmitters without diaphragm sealers the following instructions on venting and draining must be complied with. It is important to attach the transmitter in such a manner and to layout the process line in such a manner that gas bubbles in liquid measurements can be routed back into the process and not get in to the measuring chambers.

The optional vent / drain valves on the transmitter are attached on the measuring cell flanges. Align the transmitter so that these vent / drain valves are arranged above the tap points for liquid measurement, so that gas can escape upward. For gas measurements align the transmitter so that the vent / drain valves are arranged below the tap points, so that air or condensate can drain.

8.4 Mounting position

The transmitter can be attached directly on a valve manifold provided for flange installation. Optionally a fastening bracket for wall or pipe installation (2” pipe) is available as an accessory. For models 266CRx and 266JRx fastening brackets must always be used. Ideally the transmitter must be mounted in such a manner that the separating diaphragms are standing vertical, to avoid later zero point offsets.

IMPORTANT (NOTICE) If the transmitters are mounted with an inclination that is not vertical, the filling fluid exerts hydrostatic pressure on the measuring diaphragm, which causes a zero point offset. In this case the zero point can be adjusted via the zero point button or with the command “Install position correction”. See chapter “Configuration”.

Change from tw o to one col umn

DANGER - severe health impairments / lifethreatening danger due to escaping measurement medium! During the venting or draining process medium that is being discharged can escape and endanger personnel who are not working in the vicinity. Consequently when venting or draining, any escaping process medium must be collected.

266CRx, 266JRx, 266CSx, 266JSx | OI/266CXX/266JXX/HART-EN Rev. C 13

8.5 Mounting dimensions 266CRx/JRx

(No design information) - dimensions in mm (inch)

8.5.1 Transmitter with barrel housing

Note

In the case of models with just one remote seal, the threaded connection (1/4 – 18 NPT directly or 1/2 – 14 NPT using adapter) of the standard process flange, the gasket groove, and the gasket comply with IEC 61518. The screw-on thread for attaching the adapter flange to the process flange is 7/16 -20 UNF.

14 OI/266CXX/266JXX/HART-EN Rev. C | 266CRx, 266JRx, 266CSx, 266JSx

8.5.2 Transmitter with barrel housing and mounting bracket, for vertical or horizontal mounting on 60 mm (2 in.) pipe

Fig. 6: P ipe mount ing - barrel housing

266CRx, 266JRx, 266CSx, 266JSx | OI/266CXX/266JXX/HART-EN Rev. C 15

8.5.3 Transmitter with DIN housing and mounting bracket, for vertical or horizontal mounting on 60 mm (2 in.) pipe

Fig. 7: P ipe mount ing - DIN h ous ing

16 OI/266CXX/266JXX/HART-EN Rev. C | 266CRx, 266JRx, 266CSx, 266JSx

8.5.4 Transmitter with barrel housing and flat bracket, for vertical or horizontal mounting on 60 mm (2 in.) pipe

Fig. 8: Fl at brac k et f or pipe mounting - barrel hous ing

266CRx, 266JRx, 266CSx, 266JSx | OI/266CXX/266JXX/HART-EN Rev. C 17

8.6 Mounting dimensions 266CSx/JSx

(not design data) - dimensions in mm (inch)

8.6.1 Transmitter with barrel housing - Horizontal flanges

* 54 (2.13) mm (in.) via 1/4 - 18 NPT process flanges 51 (2.01), 54 (2.13), or 57 (2.24) mm (in) via 1/2 - 14 NPT adapter flanges. Note: Process connect io n and sea l gro ove sat is fy I EC 161518. Thread for attaching adapt e r f lang es or ot he r c ompon ent s (e.g. , manif ol d) on t he p roc ess f lange:

7/16 -20 UNF. ** With screw plug *** With vent / drain valve

18 OI/266CXX/266JXX/HART-EN Rev. C | 266CRx, 266JRx, 266CSx, 266JSx

8.6.2 Transmitter with barrel housing - Vertical flanges

266CRx, 266JRx, 266CSx, 266JSx | OI/266CXX/266JXX/HART-EN Rev. C 19

8.6.3 Transmitter with mounting bracket, for vertical or horizontal mounting on 60 mm (2 in.) pipe pipe

Fig. 11 : P ipe mount ing - barrel housing

7/16 -20 UNF. ** With screw plug *** With vent / drain valve

20 OI/266CXX/266JXX/HART-EN Rev. C | 266CRx, 266JRx, 266CSx, 266JSx

8.6.4 Transmitter with DIN aluminum housing - horizontal flanges with mounting bracket for vertical or horizontal mounting on 60 mm (2 in.) pipe

Fig. 12 : P ipe mount ing - DIN h ous ing

7/16 -20 UNF.

266CRx, 266JRx, 266CSx, 266JSx | OI/266CXX/266JXX/HART-EN Rev. C 21

8.6.5 Transmitter with flat bracket, for vertical or horizontal mounting on 60 mm (2 in.) pipe

Fig. 13 : Fl at brack et f or pipe mounting - ba rr el housing

* With screw plug ** With vent / drain valve

Change from one to two col umns

22 OI/266CXX/266JXX/HART-EN Rev. C | 266CRx, 266JRx, 266CSx, 266JSx

8.6.6 Installation via (optional) mounting brackets

With the mounting brackets available the transmitter can be mounted in different positions.

Fig. 14 : Detail v ie w of the mounting brac k et , B2, f or pipe and wall

installat ion. 1 Washers and nuts f or f asteni ng t he U-bolt | 2 Mounting s c rews for t he trans mitter | 3 U-bolt | 4 Mounting bracket

8.7 Rotating the transmitter housing

To improve access to electrical connections and for better visibility of the optional LCD display in the field, the transmitter housing can be rotated through 360°. A stop prevents the housing from being turned too far. In order to rotate the housing, the fixing screw must be loosened and unscrewed approx. one revolution (do not remove it). As soon as the desired position is reached, the fixing screw will be retightened.

Fig. 15: Detail view of the mounting bracket, B5 1 Washers and nuts f or f asteni ng t he U-bolt | 2 Mounting brac k et in f lange des ign, B 5 | 3 Mounting s c rews for t he trans mitter | 4 U-bolt

Fig. 16 : Rotat ing housing

266CRx, 266JRx, 266CSx, 266JSx | OI/266CXX/266JXX/HART-EN Rev. C 23

8.8 Rotating the integral LCD display

If the device has an integral LCD display, this can be mounted in four different positions, each of which can be rotated through 90°. To rotate the LCD display, open the windowed cover (ensuring compliance with special requirements for hazardous areas) and pull the LCD display out of the electronics module. Reposition the LCD display connector accordingly. Plug the LCD display back into the electronics module, checking that the 4 plastic fixing locks are securely in place.

Fig. 17 : Rotat ing the LCD di splay

8.9 Connecting impulse lines

In order for the impulse lines to be laid correctly, the following points must be observed: — The impulse lines must be as short as possible and have

no sharp bends

— Lay the impulse lines so that no deposits can

accumulate in them. Gradients should not be less than approx. 8 % (ascending or descending)

— The impulse lines should be blown through with

compressed air or, better still, flushed through with the medium prior to connection

— With wet legs, the liquid in both lines must be at the

same level

— With vaporous measuring media, measures must be

taken to prevent steam entering the measuring chambers of the measuring cell and causing overheating

— It may be necessary to use condensate vessels or

similar with small measuring spans and vaporous media

— If you are using condensate vessels (steam

measurement), you should ensure that the vessels are at the same elevation in the differential pressure piping

— As far as possible, keep both impulse lines at the same

temperature

— Completely depressurize the impulse lines if the medium

is a liqu id

— Lay the impulse lines so that gas bubbles (when

measuring liquids) or condensate (when measuring gases) can flow back into the process line

— Ensure that the impulse lines are connected correctly

(connection of high-pressure and low-pressure sides to

the measuring cell, seals, etc.) — All connections must be secure and tight — Lay the impulse lines so that the medium cannot be

blown out over the measuring cell

WARNING – bo dily injury! Leaks in the process lines can result in death or severe injuries. Install and seal process connections and all accessory elements (including valve blocks) before the charging the device with pressure. For applications with toxic or hazardous substances prior to venting or draining, take all precautionary measures that are recommended in the respective safety data sheet. Only tighten the screws of the fastening accessories with a size 12 mm (15/32”) inch hexagon socket wrench.

24 OI/266CXX/266JXX/HART-EN Rev. C | 266CRx, 266JRx, 266CSx, 266JSx

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