ABB 2600T EN Series Operating Instructions Manual

ABB 2600T EN Series Operating Instructions Manual

Safety pressure transmitters

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2600T EN Series
Operating instructions
Safety Pressure Transmitters
Models 266H/N
Models 268H/N
- 1 -
Table of Contents
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Summary of Contents for ABB 2600T EN Series

  • Page 1 2600T EN Series Operating instructions Safety Pressure Transmitters Models 266H/N Models 268H/N - 1 -...
  • Page 2 St Neots, U.K. – Cert. No. Q5907 liquid analysis and environmental applications. Stonehouse, U.K. – Cert. No. FM 21106 As a part of ABB, a world leader in process automation technology, we offer customers application expertise, service and support worldwide. UNI EN ISO 9001 We are committed to teamwork, high quality manufacturing, advanced technology and unrivalled service and support.
  • Page 3: Table Of Contents

    ISA S84.01 Application of Safety Instrumented Systems for the Process Industries NE43 Standardization of the signal level for the breakdown information of digital transmitters Other helpful or general information can be found in the ABB web site, at www.abb.com - 3 -...
  • Page 4: Product Identification

    PRODUCT IDENTIFICATION TRANSPORT The instrument is identified by the data plates shown in After final calibration, the instrument is packed in a carton Figure 1. (Type 2 to ANSI/ASME N45.2.2-1978), intended to provide The Nameplate (Ref.A) provides information concerning the protection from physical damage.
  • Page 5: Safety Philosophy, Management Of

    INFORMATION REQUIREMENTS SAFETY PHILOSOPHY The information shall comprehensively describe the system The Safety 2600T Pressure Transmitters are field devices installation and its use in order that all phases of the overall designed according the requirements of the standard IEC61508 safety lifecycles, the management of functional safety, for the Safety Related Systems.
  • Page 6: Life-Cycle Activities

    LIFE-CYCLE ACTIVITIES Application Scope - Definition of the Process Interface requirements. - Identification of the instrumentation for every physical risk Definition of the Application Target property (input) and define their fail safe signal. The process equipment shall be described in order to define - Definition of the required amount of instruments and clearly the application target with its hazard potential.
  • Page 7 ..LIFE-CYCLE ACTIVITIES Application Software Development or final element are operating together and perform the required function are described in the "Electrical connections" and Programming Environment "Calibration" sections of the present document. The application software of the Safety 2600T has been developed in ANSI C language using the IAR 1.31B compiler.
  • Page 8: Fault Outside The Functional Safety

    FAULTS OUTSIDE THE FUNCTIONAL SAFETY The redundant algorithms and the electronics are designed to detect all the internal hardware faults therefore the transmitter diagnostic is not able to detect faults related to the process and to the installation configuration. In the following table the known weaknesses resulting from the transducer FMEA (Failure Mode and Effect Analysis) are listed.
  • Page 9: Principle Of Operation

    PRINCIPLE OF OPERATION Primary Electronics Printed Circuit Inductance Coil & Magnetic Core Ferrite disc Sensor Diaphragm Reference chamber Isolating Diaphragm Process connection Input Fig. 2a - Primary Unit The instrument consists of two functional units: The unit also includes a temperature sensor. The two inductance - Primary Unit values and the sensor temperature, are combined in the - Secondary Unit...
  • Page 10 . . . PRINCIPLE OF OPERATION 2600T Safety Transmitter takes advantage of the intrinsic are implemented to check correctness and validity of all redundancy of the 2600T series differential inductive sensor. processing variables and the correct working of memories. The two inductive signals are separately detected in the A supplementary shut down circuitry provides a safe shut down primary unit by two independent ASICs and separately when a fault occurs in the analog section of the electronics.
  • Page 11 . . . PRINCIPLE OF OPERATION Primary Electronics of the main clock. In case the main clock doesn't work it gives Main purpose of this unit is to convert the pressure signal to an a signal to the supplementary shutdown logic block that provides electronic pulse-width signal.
  • Page 12: Installation

    ABB cannot guarantee that a construction material is suited to a particular process fluid under all possible process conditions. See also the paragraph on "Operati- ve limits".
  • Page 13 . . . INSTALLATION 127 (5.00) 17 (0.67) 36 (1.42) 86 (3.39) 17 (0.67) ø 17.5 (0.69) G 1/2"B CH 32 ø 65 (2.56) 135 (5.31) 57 (2.24) Fig. 5b DIN–EN837–1 G in B connection 127 (5.00) 17 (0.67) 36 (1.42) 17 (0.67) 86 (3.39) 1/2"...
  • Page 14 . . . INSTALLATION 127 (5.00) 17 (0.67) 36 (1.42) 86 (3.39) 17 (0.67) ø 39 (1.54) ø 65 (2.56) 135 (5.31) 42.5 (1.67) Fig. 6b ° Adapter angle (90 ) entry connection ( in – 20 UNF drilling) - 14 -...
  • Page 15: Electrical Connections

    ELECTRICAL CONNECTIONS recommended. The cable shield should be grounded in one WARNING - For installation in Hazardous Areas, side only, to avoid dangerous earth paths. i.e. areas with danger of fire and/or explosion, prior to making electrical connections, ensure compliance with WARNING - For Hazardous Areas installations, safety information on the Safety Marking plate.
  • Page 16 . . . ELECTRICAL CONNECTIONS NOTE: If the use of the Hand Held Communicator is WARNING : DO NOT ATTEMPT TO CONNECT foreseen, a resistance of 250 ohms minimum must be AN AMPEROMETER BETWEEN A "TEST" TERMINAL included in the current loop, between the power supply and AND A "COMM"...
  • Page 17: Electrical Requirements

    ELECTRICAL REQUIREMENTS Transmitter failure mode (compliant to NE 43 NAMUR The transmitter operates on a minimum voltage of 10.5 Vdc to regulation) a maximum of 42 Vdc and is protected against polarity The output signal can be user-selected to a value of 3.7 or 22 inversion.
  • Page 18: Commissioning And Configuration Issues

    COMMISSIONING AND CONFIGURATION ISSUES disabled. The Safety 2600T pressure transmitter is protected The 600T Safety transmitters contain inside its non-volatile against undesirable configuration changes by a dedicated memories a number of parameters. Some of them, factory hardware link placed on the secondary electronics board which defined, are typical of the sensor and are not user-modifiable, is identified as Write Protect Mode Link (see fig.
  • Page 19: Calibration

    CALIBRATION Unlike conventional electronic transmitters, the use of a microprocessor and the presence of serial communications Power Supply between the transmitter and the configuration device, allows the 10.5 to 42 V. d.c. use of several different approaches in calibration and servicing. Different methods can be used to calibrate the Safety transmitter: i) using the zero and span calibration screws in the transmitter secondary unit.
  • Page 20 ..CALIBRATION Zero and span - true zero procedure Absolute pressure Gauge pressure Use the zero and span procedure above but apply to the process connection absolute pressures equal to the Lower - Set the A-B switch into "A" position Range Value (LRV) and then to the Upper Range Value (URV), turning, for at least 1 second, the zero and span screws - Switch on the power supply.
  • Page 21: Pre-Startup Acceptance Test, Proof Tests

    PROOF TESTS PRE-STARTUP ACCEPTANCE TEST Safe undetected faults could occur during the operation of the After the installation of the device in order to validate the transmitters. These failures do not affect the transmitter required safety functionality of the system together with the operations.
  • Page 22: Dismantling And Reassembly

    Blind cover Terminal www.abb.com blocks Tang - searching for: Extended SL262_4H.pdf or from local ABB representatives. Secondary Analog or digital output indicator Blind cover WARNING - L'elettronics unit Electronics screw and transducer are inseparable parts of the 2600T Safety transmitters. Any...
  • Page 23: Simple Fault Finding

    SIMPLE FAULT FINDING (HART) This part is applicable only for a quick fault finding in the case that the Hand Held Terminal or the P.C. Configurator Package are not available. If the transmitter does not appear to be working satisfactory, carry out the following fault finding checks before contacting your nearest Service Centre.
  • Page 24: Returning Form

    Shipping information for the return of the equipment Material returned for factory repair, should be sent to the nearest ABB Service Center, transportation charges prepaid by the Purchaser. Please enclose this sheet duly completed to cover letter and packing list...
  • Page 25: Addendum For "Meters" Option Of The Transmitters

    ADDENDUM FOR "METERS" OPTION OF THE TRANSMITTERS GENERAL DESCRIPTION This option provides three different indications (meters) inside the transmitter housing. The "output meters" can be mounted on the terminal block (field terminals) side; one is of "analog" type, the second is of "digital" type (LCD, ProMeter) and the third is the CoMeter.
  • Page 26: Addendum For Cometer Or Indicator With Hart Programming Capability And Prometer - Programmable Indicator

    ADDENDUM FOR COMETER OR INDICATOR WITH HART PROGRAMMING CAPABILITY AND PROMETER - PROGRAMMABLE INDICATOR the third line is used for seven alphanumeric characters to The name CoMeter is an acronym for COMMUNICATING METER. The name ProMeter stands for PROGRAMMABLE display units or messages. METER.
  • Page 27 ADDENDUM FOR COMETER OR INDICATOR WITH HART PROGRAMMING CAPABILITY AND PROMETER - PROGRAMMABLE INDICATOR COMETER ONLY COMETER and PROMETER ConF METER ENTER NEXT ConF NEXT PREV ConF NEXT PREV PREV MANUAL AUTO ENTER ENTER NEXT NEXT NEXT NEXT NEXT 20000 4000 .
  • Page 28 ADDENDUM FOR COMETER OR INDICATOR WITH HART PROGRAMMING CAPABILITY AND PROMETER - PROGRAMMABLE INDICATOR Under ConF PERCENT option, the user can decide for linear Then the CONF option appears. or SQR output. When SQR output is selected, the output is Using PREV or NEXT key, the user can select CONF, TRIM, linear from 0 to 20% (to 4% of input).
  • Page 29 ADDENDUM FOR COMETER OR INDICATOR WITH HART PROGRAMMING CAPABILITY AND PROMETER - PROGRAMMABLE INDICATOR TRIM ENTER LOOP IN_MAN. ENTER NEXT NEXT PREV NEXT PREV PREV LOOPTST RERANG. ENTER ENTER NEXT NEXT NEXT PREV PREV 0.000 40.000 PREV OTHER SET 4 mA 20 mA SET 20 mA 4 mA...
  • Page 30 ADDENDUM FOR COMETER OR INDICATOR WITH HART PROGRAMMING CAPABILITY AND PROMETER - PROGRAMMABLE INDICATOR REVIEW ENTER NEXT NEXT PREV PREV SENS N' UP/DOWN UNITS TAG 8 XMTR N' ENTER ENTER ENTER ENTER ENTER 1234567 1234567 ABCDEFG NEXT PREV NEXT PREV NEXT PREV (SCROLL) (SCROLL)
  • Page 31: Addendum For Pv-Scaling Operation

    ADDENDUM FOR PV-SCALING OPERATION You can apply this 50 mbar for your PV scaling operation, with PV-scaling operation can be used to align the "zero" of the process with the "zero" reading of the transmitter. A configuration similar effect as per the previous example: tool must be use to perform this operation through digital PV reading = 50 mbar communication.
  • Page 32: Addendum For "Surge Protection" Option Of The Transmitters

    ADDENDUM FOR "SURGE PROTECTION" OPTION OF THE TRANSMITTERS WARNING - Note for Hazardous Area Installation For the Pressure Transmitter with surge protector must be additional considered: 1 The transmitter has to be supplied from a voltage source which is safely separated from mains (galvanic separation). 2 The potential equalization for the entire cable link must be guaranteed since the intrinsic safety circuit of the transmitter is grounded.
  • Page 33 . . . ADDENDUM FOR "SURGE PROTECTION" OPTION OF THE TRANSMITTERS Self-tapping screw M2.9x6 mm to secure Stuck on label to disclose the the surge prot. p.c. board presence of the surge protector +/- Terminals Socket for built-in indicator Two holes for M4x18 mm fixing screws TERMINAL BLOCK...
  • Page 34 . . . ADDENDUM FOR "SURGE PROTECTION" OPTION OF THE TRANSMITTERS Fig. 2a Connection for terminal block and housing. Note: Before to fix the terminal block to the housing put the two wires in the position as shown above, in order to avoid any damages.
  • Page 35: Addendum For Selectable Output Functions

    ADDENDUM FOR SELECTABLE OUTPUT FUNCTIONS GENERAL DESCRIPTION The 2600T Series Pressure Transmitter can be selected with a linear, a "polynomial" output function, for input linearization using a 5th order polynomial function, or for input linearization using 2 polynomial functions of 2nd order. Also a Constant Current function can be choosen for loop or associated equipment test.
  • Page 36 . . . ADDENDUM FOR SELECTABLE OUTPUT FUNCTIONS The non conformity error depends on the ratio between diameter and length of the vessel: for ratio ≥5 to 1 the error is ≤0.25%. The polynomium found with mathematical method gives an error of ±0.15%. c) Cilindrical vessel with elliptical or pseudoelliptical ends (see Fig.
  • Page 37 . . . ADDENDUM FOR SELECTABLE OUTPUT FUNCTIONS 3.0 POLYNOMIAL 2 (Two polinomial functions of 2nd order) - Available for Analog + HART version - Fig. 2b Analog Output transfer function can also be defined as a two polinomial function. Both polinomials are of 2nd order. So two different polinomial functions are used: ) ±...
  • Page 38: Addendum For Output % Reranging

    ADDENDUM FOR OUTPUT % RERANGING Sometimes, in case of tank level measurement, it becomes difficult to calculate the LRV or the URV of the transmitter, or to empty the tank for zero adjustment. So, not only with flange-mounted, but also with differential pressure transmitters using remote seals, the Output % Reranging operation helps the user during transmitter calibration.
  • Page 39: Addendum For "Ex Safety" Aspects And "Ip" Protection (Europe)

    ADDENDUM FOR "EX SAFETY" ASPECTS AND "IP" PROTECTION (EUROPE) According to ATEX Directive (European Directive 94/9/EC of 23 March 1994) and relative European Standards which can assure compliance with Essential Safety Requirements, i.e., EN 50014 (General requirements) EN 50018 (Flameproof enclosures “d”) EN 50020 (Intrinsic safety “i”) EN 50284 (Equipments, group II, category 1G), the pressure transmitters of the 2600T SERIES have been certified for the following group, categories, media of dangerous atmosphere, temperature classes, types of protection.
  • Page 40 . . . ADDENDUM FOR "EX SAFETY" ASPECTS AND "IP" PROTECTION (EUROPE) b) Certificate ATEX II 1/2 GD, EEx d IIC T6 (-40°C ≤ Ta ≤+75°C) IP67 T85°C CESI Certificate number CESI 02 ATEX 027 The meaning of ATEX code is as follows: II : Group for surface areas (not mines) 1/2 :...
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  • Page 43 PRODUCTS & CUSTOMER SUPPORT A Comprehensive Instrumentation Range Customer Support Analytical Instrumentation ABB provides a comprehensive after sales service via a Worldwide Service Organization. Contact one of the following • Transmitters offices for details on your nearest Service and Repair Centre.
  • Page 44 The Company's policy is one of continuous product improvement and the right is reserved to modify the specifications contained herein without notice. ABB Automation Products GmbH ABB Ltd ABB SACE spa ABB Inc. Schillerstrasse 72 Howard Road, St. Neots Business Unit Instrumentation 125 E.

This manual is also suitable for:

266h266n268h268n

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