ABB 2600T Series Operating Instruction
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ABB 2600T Series Operating Instruction

Pressure transmitters
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Field
Operating instruction
IM/268H_1
2600T Series Pressure Transmitters
Models 268H/N
- 1 -

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Summary of Contents for ABB 2600T Series

  • Page 1 Field Operating instruction IM/268H_1 2600T Series Pressure Transmitters Models 268H/N - 1 -...
  • Page 2 Cert. No. Q5907 As a part of ABB, a world leader in process automation technology, we offer customers application expertise, service and support worldwide. ISO 9001: 2000 We are committed to teamwork, high quality manufacturing, advanced technology and unrivalled service and support.

  • Page 3: Table Of Contents

    CONTENTS INTRODUCTION Section Page The 2600T series is a modular range of field mounted, micro- processor based electronic transmitters, using a unique inductive sensing element. The Model 266/268H/N is a INTRODUCTION .............. 3 pressure transmitter with "single port" process connection; this TRANSPORT, STORAGE, HANDLING AND PRODUCT IDENTIFICATION ..........

  • 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

    SAFETY PHILOSOPHY MANAGEMENT OF FUNCTIONAL SAFETY The Safety 2600T Pressure Transmitters are field devices designed according to the requirements of the standard For each application the installer of the owner of a safety IEC61508 for the Safety Related Systems. Standard currently system must prepare a Safety Planning which must be updated used focus on individual parts of all the safe instrumentation throughout the Safety Life-cycle of the Safety Instrumented...

  • 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.

  • 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 2600T Safety Transmitter takes advantage of the intrinsic when a fault occurs in the analog section of the electronics. The redundancy of the 2600T series differential inductive sensor. output stage is also checked by reading back the analog output The two inductive signals are separately detected in the signal.
  • Page 11 . . . PRINCIPLE OF OPERATION Primary Electronics Watchdog2 Main purpose of this unit is to convert the pressure signal to an A secondary watchdog is used to monitor the correct working electronic pulse-width signal. As help for added accuracy both of the main clock.

  • 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 2600T 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

    Fig. 10 - Calibration electrical connections calibration must be done by method ii) or iii). In the Safety 2600T Series it is also possible to apply a scaling Set up an appropriate test rig in accordance with the required to the reading of the transmitter.
  • 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 PRE-STARTUP ACCEPTANCE TEST To maintain the claimed Safety Integrity Level (SIL 2) a After the installation of the device in order to validate the proof test procedure is requested every 10 years. The required safety functionality of the system together with the proof tests consists in the following operations: target equipment according to the Safety Requirement Specification a Pre-Startup Acceptance test shall be performed...

  • Page 22: Dismantling And Reassembly

    (*) The spare parts list is Nameplate available at: 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 Electronics screw Sensor assembly Transmitter Sectional View - 22 -...

  • 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

    - 24 -...

  • 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

    It can be connected, plug & play, into the standard terminal block of the 2600T Series Pressure Transmitter. And more precisely, they are: It is capable to provide both reading and configuration...
  • 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 Use Of Hardware Links On The Secondary Electronic

    ADDENDUM USE OF HARDWARE LINKS ON THE SECONDARY ELECTRONIC The secondary electronic is shown in the figure. There are 4 dip switches located on the secondary electronics as indicated below; they are used for settings when integral digital display is not available. ✶...

  • Page 36: 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.
  • Page 37 . . . 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 38 . . . 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: Out = [±...

  • Page 39: 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 40: Addendum For "Ex Safety" Aspects And "Ip" Protection (Europe)

    EN 61241-0 (General requirements), EN 61241-1 (Flameproof enclosures “d”), EN 61241-11 (Intrinsic safety “i”) for DUST. The pressure transmitters of the 2600T SERIES have been certified for the following group, categories, media of dangerous atmosphere, temperature classes, types of protection. Examples of application are also shown below by simple sketches.
  • Page 41 . . . ADDENDUM FOR "EX SAFETY" ASPECTS AND "IP" PROTECTION (EUROPE) ° Certificate ATEX II 1D Ex iaD 20 T95 Application with Dust ZELM Certificate number ZELM 08 ATEX 0361 X The meaning of ATEX code is as follows: Zone "20"...
  • Page 42 IP code Separation elements About the degree of protection provided by the enclosure of the pressure transmitter, the 2600T SERIES has been certified IP67 according to EN 60529 standard (corresponding to IEC 529). Note: the protection is mainly assured by the The first characteristic numeral indicates the protection of the inside electronics against "IP degree"...
  • Page 43 [ib] or [ia] supply (associated apparatus) IP code About the degree of protection provided by the enclosure of the pressure transmitter, the 2600T SERIES has been certified IP67 according to EN 60529 standard (corresponding to IEC 529). The first characteristic numeral indicates the protection of the inside electronics against ingress of solid forein objects including dusts.
  • Page 44 FM 3810 : Electrical and Electronic Test, Measuring and Process Control Equipment. NEMA 250 : Enclosure for Electrical Equipment (1000 Volts Maximum) The 2600T Series pressure transmitters have been certified by Factory Mutual for the following Class, Divisions and Gas groups, hazardous classified locations, temperature class and types of protection.
  • Page 45 Electrical apparatus for explosive gas atmosphere. Part 11 : Intrinsic Safety “i” The 2600T Series pressure transmitters have been certified by CSA International for the following Class, Divisions and Gas groups, hazardous classified locations, temperature class and types of protection.
  • Page 46 - 46 -...
  • Page 47 – Food & Beverage – Manufacturing Italy – Metals and Minerals – Oil, Gas & Petrochemical ABB S.p.A. - ABB SACE Division – Pulp and Paper Business Unit Instrumentation Tel: +39 0344 58111 Drives and Motors Fax: +39 0344 56278 •...
  • Page 48 The Company’s policy is one of continuous product ABB has Sales & Customer Support improvement and the right is reserved to modify the expertise in over 100 countries worldwide information contained herein without notice. Printed in Italy (07.2008) www.abb.com/instrumentation © ABB 2008...

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268h268n

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