ABB 266CRH Instructions Manual Download Page 55

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266CRH / 266CRT, 266CSH / 266CST

MULTIVARIABLE PRESSURE TRANSMITTER | OI/266CXX/MODBUS-EN REV. A

MV Setup - Steam Drum

Level

MV-Calculation

Calculation

Flow

Level

Level Calculation

Level

Unit

Steam Drum Level

Open Tank
Closed Tank
Closed Tank, 2 Remote
Seals

Lower Level

Dimension b from

Figure 38

Upper Level

Dimension d from

Figure 38

Height of Condensate

Dimension e from

Figure 38

Temperature

Unit

Condensate Temp.

PT100

Sensor Temperature
Fixed Value

Value

Condensate

Temperature

Restore

Last

Parameter

The lower fill level to be measured

The higher fill level to be measured

Fill level

Pressure transmitter

Gas above the liquid

Condensate tank

Figure 38: Level measurement on the steam boilers (drum water level)

Summary of Contents for 266CRH

Page 1: ...ansion of pipelines and primary device and the Reynolds number are also corrected It can also be used for DP level measurement if density compensation is necessary due to process temperature changes This could make any level measurement much more reliable In addition to high precision the multivariable 266 also offers the advantage that only a single device needs to be used for the measuring point...

Page 2: ...g 16 Factory settings 16 Venting draining transmitters without diaphragm seals 17 Mounting position 17 Mounting dimensions Model 266CRx 18 Transmitter with barrel housing 18 Transmitter with barrel housing and mounting bracket for vertical or horizontal mounting on 60 mm 2 in pipe 19 Transmitter with barrel housing and flat bracket for vertical or horizontal mounting on 60 mm 2 in pipe20 Mounting ...

Page 3: ...49 Damping and transmission function 63 Damping 63 Transmission function 63 Description of the transition function 64 Interface description 66 Communication parameters 66 Available units 67 Modbus register tables 69 Application of the Diagnosis Main and Main 2 Registers 75 9 Diagnosis error messages 76 Calling up the error description 76 Error states and alarms 77 10 Maintenance 81 Safety instruct...

Page 4: ...nd 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 Warnings The wa...

Page 5: ... 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 ...

Page 6: ...9AATEX0025X IECEx Code ER IECEx FME 16 0004X FM USA and Canada Ex marking Type of protection Explosion proof Explosion proof US Class I Division 1 Groups ABCD T5 for Ta Æ50 C to 85 C Explosion proof Canada Class I Division 1 Groups BCD T5 for Ta Æ50 C to 85 C Dust Ignition Proof US Canada Class II III Division 1 Groups EFG T5 for Ta Æ50 C to 85 C Type of protection Flame proof Flame proof US Class...

Page 7: ...ode is as follows II Equipment Group for hazardous surface areas not mines 1 2 Category This means the transmitter is suitable for use in the partition to category 1 e g sensor category 1 transmitter category 2 see application sketch G Gas dangerous media D Dust dangerous media Ex d Flame proof enclosure IIC Explosion group gases T6 Temperature class of the transmitter corresponds to 85 C maximum ...

Page 8: ...t layer up to 50 mm thick IP 67 For protection type the first characteristic numeral indicates the protection of the integrated electronics against ingress of solid foreign objects including dusts The assigned 6 means a dust tight enclosure no ingress of dust The second characteristic numeral indicates the protection of the integrated electronics against ingress of water The assigned 7 means a wat...

Page 9: ...eral indicates the protection of the integrated electronics against ingress of water The assigned ಫ7ಬmeans a water protected enclosure against a temporary immersion in water under standardized conditions of pressure and time Code E3 Ex Marking IECEx Ex nA IIC T4 T6 Gc IP67 and Ex tc IIIC T85 C Dc FM Approvals Certificate IECEX FME16 0004X The meaning of the IECEx rating code is as follows Ex nA No...

Page 10: ...with or without integrated digital display C22 2 No 142 M1987 ಫProcess Control Equipment Industrial Products C22 2 No 213 M1987 ಫNon incendive Electrical Equipment for Use in Class I Division 2 Hazardous Locations Industrial Productsಬ C22 2 No 30 ಫExplosion Proof Enclosures for Use in Class I Hazardous Locations Industrial Productsಬ C22 2 No 25 ಫEnclosures for Use in Class II Groups E F and G Haza...

Page 11: ...rature class definitions Type 4X applications Indoors Outdoors ಫSealಬ per ANSI ISA 12 27 01 as indicated in the certificates Temperature class definitions Tclass Tamb min Tamb max Umax Imax Power T4 Æ50 C 85 C 30 V 100 mA 0 75 W T4 Æ50 C 70 C 30 V 160 mA 1 00 W T5 Æ50 C 40 C 30 V 100 mA 1 75 W T6 Æ50 C 40 C 30 V 50 mA 0 40 W WARNING When installed power must be supplied to the transmitter by a vol...

Page 12: ...tive upper measuring range value of the static pressure 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 Abbreviation Description URL Measuring range upp...

Page 13: ...ference to the Pressure Equipment Directive SEP or Fluidgroup 6 Output signal 7 Permissible pressure static 8 Static pressure sensor range 9 Set span j Lower to measuring range upper limit LRL to URL k Permissible ambient temperature range l Temperature span m Power supply n Diaphragm seal filling liquid o Range of process connection and gasket material p Sensor filling liquid q Special customer r...

Page 14: ... C Æ40 to 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 Additional plate C An additional plate specifies the measuring point number of the customer and the calibration range Mar...

Page 15: ... accordance with the instructions in Product identification on page 13 to ensure it is the right device Handling Special precautionary measures are not required for handling of the device However standard procedures must be complied with Storing the device Bear the following points in mind when storing devices Store the device in its original packaging in a dry and dust free location Observe the p...

Page 16: ... measurement technology or other issues the measurement quality may be affected 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 IP rating The housing of the 266CRH 266CRT 266CSH 266CST pressure transmitters satisfies the requirements of IP degree of protection IP 66 IP 67 NEMA 4...

Page 17: ...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 ...

Page 18: ...ate 3 Certification plate 4 Optional plate code I2 5 Process connection 6 Vent drain valve 7 Space for removing the cover 8 Terminal side 9 Electronics side j LCD display housing cover Figure 5 Barrel housing Dimensions in mm in Note In the case of models with just one remote seal the threaded connection 18 NPT directly or 14 NPT using adapter of the standard process flange the gasket groove and t...

Page 19: ...housing and mounting bracket for vertical or horizontal mounting on 60 mm 2 in pipe M10030 1 1 54 2 13 16 4 57 179 7 02 91 3 58 107 4 21 89 3 48 72 2 83 29 1 14 18 0 71 18 0 71 56 2 21 53 2 09 210 8 28 123 4 86 13 4 43 54 2 13 71 2 80 107 4 21 72 2 83 210 8 28 Figure 6 Pipe mounting barrel housing Dimensions in mm in ...

Page 20: ...ensions Model 266CRx Transmitter with barrel housing and flat bracket for vertical or horizontal mounting on 60 mm 2 in pipe M10032 91 3 58 179 7 02 204 8 03 70 2 75 98 3 86 70 2 75 84 3 31 29 1 14 18 0 71 56 2 21 53 2 09 210 8 28 47 1 85 25 0 98 Figure 7 Flat bracket for pipe mounting barrel housing Dimensions in mm in ...

Page 21: ...ame plate 3 Certification plate 4 Vent drain valve 5 Process connection 6 Terminal side 7 LCD display housing cover 8 Electronics side 9 Process flange adapter 0 Space for removing the cover 54 mm 2 13 in via 18 NPT process flanges 51 mm 2 01 in 54 mm 2 13 in or 57 mm 2 24 in via 14 NPT adapter flanges Note Process connection and seal groove satisfy IEC 161518 Thread for attaching adapter flanges ...

Page 22: ...2 13 91 3 58 31 1 22 251 9 88 216 8 50 18 0 71 28 1 10 LCD L1 24 0 95 TTG LCD L5 53 2 09 9 0 35 110 4 33 18 0 71 41 3 1 63 1 2 3 4 5 6 9 8 0 7 1 Push buttons 2 Name plate 3 Certification plate 4 Vent drain valve 5 Process connection 6 Terminal side 7 LCD display housing cover 8 Electronics side 9 Process flange adapter 0 Space for removing the cover Figure 9 Barrel housing vertical flanges Dimensi...

Page 23: ...29 1 14 18 0 71 18 0 71 12 0 47 60 2 36 72 2 83 29 1 14 18 0 71 18 0 71 210 8 28 107 4 21 72 2 83 56 2 21 53 2 09 12 0 47 45 1 77 33 1 30 60 2 36 72 2 83 54 mm 2 13 in via 18 NPT process flanges 51 mm 2 01 in 54 mm 2 13 in or 57 mm 2 24 in via 14 NPT adapter flanges Note Process connection and seal groove satisfy IEC 161518 Thread for attaching adapter flanges or other components for example manif...

Page 24: ...Figure 11 Flat bracket for pipe mounting barrel housing Dimensions in mm in Installation via optional mounting brackets With the mounting brackets available the transmitter can be mounted in different positions Change from one to two columns M10798 01 1 2 3 4 1 Washers and nuts for fastening the U bolt 2 Mounting screws for the transmitter 3 U bolt 4 Mounting bracket Figure 12 Detail view of the m...

Page 25: ... 2 Housing cover terminal compartment 3 Cover lock screw Figure 14 Cover lock example To open the housing release the cover lock by screwing in the screw 3 After closing the housing lock the housing cover by unscrewing the screw 3 Adjusting the transmitter position Transmitter housing DANGER Damaging the device carries a risk of explosion Never disconnect the transmitter housing from the sensor On...

Page 26: ... hexagon socket wrench 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 flushe...

Page 27: ...tight preliminary tightening with 10 Nm final tightening with 50 Nm Mounting recommendations The arrangement of the impulse lines depends on the respective measurement application Flow measurement of steam condensible vapor or clean liquids M10763 01 4 1 3 2 H L H L 1 2 3 H High pressure side L Low pressure side 1 High pressure valve 2 Low pressure valve 3 Equalizing valve 4 Vent Drain valve Figur...

Page 28: ... valve Flow measurement of gas or liquid with solids in suspension M10764 01 H L 1 2 3 1 H L 2 3 H High pressure side L Low pressure side 1 High pressure valve 2 Low pressure valve 3 Equalizing valve Figure 19 Flow measurement of gases or liquids Place taps above or to the side of the line Mount the transmitter above the taps To commission the transmitter operate the valves in the following sequen...

Page 29: ...vel to be measured Connect the high pressure side of the transmitter to the bottom of the tank Connect the low pressure side Æ of the transmitter to the top of the tank above the maximum level Fill level measurement on open tanks with fluids H High pressure side L Low pressure side 1 Liquid Figure 21 Level measurement on open tanks Mount the transmitter at the same height or below the lowest level...

Page 30: ...ndensate vessel Use the condensate vessel to ensure that the impulse line of the low pressure side is always filled with liquid condensate at a constant height Temperature measurement Mount the temperature sensor in the downstream pipe of the primary element Consider the downstream straight pipe requirements If there is a significant difference between the temperature of the measuring medium and t...

Page 31: ...hing electronic components 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 General The relevant directives must be complied with for the ele...

Page 32: ...tal cable gland To offer IP rating 4X IP 67 the cable glands sealing plugs must be screwed in using a suitable sealing compound Safety instructions for use in Division 1 Conduit requirements for Div 1 installations are not addressed in this procedure To avoid creating a hazardous situation ensure compliance with the applicable standards regulations and recommendations for installation in the count...

Page 33: ...ot secure as such the intended application should be assessed to ensure that these protocols are suitable before implementation Using the Modbus protocol allows devices made by different manufacturers to exchange information via the same communication bus without the need for any special interface devices to be used Up to 32 devices can be connected on one Modbus line The Modbus network can be exp...

Page 34: ...t When using a distributor with n connections the maximum length of each branch is calculated as follows 40 m 131 ft divided by n The maximum cable length depends on the type of cable used The following standard values apply Up to 6 m 20 ft cable with standard shielding or twisted pair cable Up to 300 m 984 ft double twisted pair cable with overall foil shielding and integrated earth cable Up to 1...

Page 35: ...in accordance with the information on the name plate Observe the voltage drop for large cable lengths and small conductor cross sections The voltage at the terminals of the device may not fall below the minimum value required in accordance with the information on the name plate The power supply is connected to terminal PWR and PWR Æ as stated on the name plate To connect the pressure transmitter o...

Page 36: ...ed 1 Open the shut off valves on the pressure tap connection if present 2 Open the pressure equalization valve of the valve block 3 Open the shut off valve of the high pressure side H on the valve block 4 Open the shut off valve on the low pressure side L on the valve manifold 5 Close the pressure equalization valve Decommissioning is executed in the reverse sequence Note If the output signal stab...

Page 37: ...ch It is probably set to write protection For all other diagnosis notices refer to the instructions 7 As soon as zero point correction is complete reconnect the transmitter to the process 8 Open the pressure equalization valve on the manifold 9 Open the shut off valve of high pressure side 10 Open the pressure equalization valve on the manifold 11 Open the shut off valve on the low pressure side H...

Page 38: ... access to the DIP switches The DIP switches are used to make settings if an LCD display is not present The interface for the LCD indicator is also used as the service port for device configuration Replace mode DIP switches 1 and 2 In normal mode the DIP switches 1 and 2 are in position 0 If a replacement procedure is necessary they will be activated When replacing the electronics or the sensor di...

Page 39: ...ional LCD display Process value PV 1 place and bar diagram of the output signal Each of the parameters listed here can be easily set via the optional LCD display with operating menu or the Device Type Manager DTM Configuration without integrated LCD display Note The configuration possibilities described below are only possible for the models 266Cxx with flow calculation or without calculation func...

Page 40: ...ssed until both symbols are shown left and right in the lower process display 2 Change to the configuration level with Easy Setup Exit Select 3 Use or to select Easy Setup 4 Confirm the selection with Easy Setup Language Deutsch Next Edit 5 Use to call up edit mode 6 Use or to select the desired language 7 Confirm the selection with 8 Go to the next menu item with Easy Setup Tag ABB266 Next Edit 9...

Page 41: ...low Cut Off 0 0000 Next Edit 33 Use to call up edit mode 34 Use or to select the desired low flow cut off 35 Confirm the selection with 36 Go to the next menu item with Easy Setup Damping 1 0000 Next Edit 37 Use to call up edit mode 38 Use or to select the desired damping 39 Confirm the selection with 40 Go to the next menu item with Easy Setup Set PV to Zero Next OK 41 Use to call up edit mode 42...

Page 42: ...M for example ABB HART Communication Servicepoint must be set to the same COM port as the RS485 interface The baud rate for configuration of the transmitter is fixed to 9600 baud and must be set to the same value inside the communication DTM The communication protocol of the transmitter has to be set to CONFIG HART RS485 with dip switch HMI menu or Modbus Master For operating with a Modbus master ...

Page 43: ...closed housing cover Note The transmitter automatically calibrates the capacitive buttons on a regular basis If the cover is opened during operation the sensitivity of the buttons is firstly increased to enable operating errors to occur The button sensitivity will return to normal during the next automatic calibration You can use the or operating buttons to browse through the menu or select a numb...

Page 44: ...iguration The configuration level contains all the parameters required for device commissioning and configuration The device configuration can be changed on this level For detailed information on the parameters see Process display M10819 01 PI AX 1001 mbar 278 75 1 3 3 2 5 4 1 Measuring point tag 2 Current process values 3 Button function icon 4 Parameterization protected icon 5 Diagnostics messag...

Page 45: ...e If in the meantime the housing cover has been removed to gain access to the electronics module we recommend that you switch the energy supply off and then on again as soon as the housing cover with the sight glass has been correctly screwed down Activation of the operating menu is executed as described 1 Press the upper middle operating button and hold it until two symbols appear in the lower le...

Page 46: ...larms that indicate problems with the measuring cell Electronics Errors in the device electronics are displayed Configuration Missing or faulty configuration of the transmitter is detected Note For a detailed description of errors and troubleshooting instructions please see Diagnosis error messages on page 76 Switching to the configuration level parameterization Note For security reasons it is rec...

Page 47: ...guration level 6 Select a menu using 7 Confirm the selection with Selecting and changing parameters Entry from table When an entry is made from a table a value is selected from a list of parameter values Menu name Parameter name Currently set value Next Edit 1 Select the parameters you want to set in the menu 2 Use to call up the list of available parameter values The parameter value that is curre...

Page 48: ...r editing The decimal place that is currently selected is highlighted Parameter name ABC ABCDEFGHIJKLMOPQ Next OK 3 Use to select the decimal place to change 4 Use to set the desired value 5 Use to select the next decimal place 6 If necessary select and set additional decimal places in accordance with steps 3 to 4 7 Use to confirm your setting This concludes the procedure for changing a parameter ...

Page 49: ... visible in it Easy Setup Language English Deutsch Italiano Tag PV Unit PV Lower Range Value PV Upper Range Value Linearization Type Linear Square Root Sqrt 3rd Power Sqrt 5th Power Linearization curve Bidirectional Flow Cylindric Lying Tank Spherical Tank Lin Rad Point Low Flow Cut Off Damping Set PV to Zero Line 1 View Pressure Scaled Output Current Output Output Percent Totalizer 1 Totalizer 2 ...

Page 50: ...e D D 2 Taps ISO Orifice Corner Taps ASME Orifice Flange Taps ASME Orifice D D 2 Taps ASME Orifice Flange Taps AGA3 Orifice Corner Taps AGA3 Small Bore Orifice ASME Flange Taps Small Bore Orifice ASME Corner Taps Orifice 2 5D 8D Taps Integral Orifice Assembly Nozzle Lowng Radius High Beta ISO Nozzle Lowng Radius Low Beta ISO Nozzle Lowng Radius High Beta ASME Nozzle Lowng Radius Low Beta ASME Vent...

Page 51: ...ned Prim Elem Material Calculation of Flow Unit Flow Diff Press Unit Diff Press Value Absolute Pressure Temperature Density Unit Density Ratio of Diameter Inner Tube Diameter Mass Flow Standard Volume Flow Selection Viscosity Reynolds Number Fixed Value Viscosity Reynolds Number for Design State Standard Density Isentropic Exponent Min Temp Density Max Temp Density Transfer Function Square Root Bi...

Page 52: ...ransm mount Pos Dimension a from Figure 36 Temperature Unit Min Temperature Minimum measuring medium temperature Max Temperature Maximum measuring medium temperature Density Unit Min Temp Density Density of the measuring medium at minimum temperature Max Temp Density Density of the measuring medium at maximum temperature Tank Temperature Measurement PT100 Sensor Temperature Restore Last Parameter ...

Page 53: ...uring medium temperature Max Temperature Maximum measuring medium temperature Density Unit Min Temp Density Density of the measuring medium at minimum temperature Max Temp Density Density of the measuring medium at maximum temperature Temperature Gas Density Reference temperature for specification of the gas density for example 0 C for ಫstd conditionsಬ Static Pressure Unit Pressure Gas Density Ref...

Page 54: ...tion Overview of parameters on the configuration level A The lower fill level to be measured B The higher fill level to be measured 1 Fill level 2 Pressure transmitter 3 Low pressure impulse line 4 High pressure impulse line 5 Gas above the liquid line Figure 37 Diagram Level measurement closed tank ...

Page 55: ...Level Dimension b from Figure 38 Upper Level Dimension d from Figure 38 Height of Condensate Dimension e from Figure 38 Temperature Unit Condensate Temp PT100 Sensor Temperature Fixed Value Value Condensate Temperature Restore Last Parameter A The lower fill level to be measured B The higher fill level to be measured 1 Fill level 2 Pressure transmitter 3 Gas above the liquid 4 Condensate tank Figu...

Page 56: ...x Temperature Maximum measuring medium temperature Density Unit Min Temp Density Density of the measuring medium at minimum temperature Max Temp Density Density of the measuring medium at maximum temperature Temperature Gas Density Reference temperature for specification of the gas density for example 0 C for ಫstd conditionsಬ Static Pressure Unit Pressure Gas Density Reference pressure for specifi...

Page 57: ...N REV A 57 A The lower fill level to be measured B The higher fill level to be measured 1 Liquid level 2 Pressure transmitter 3 Gas above the fluid 4 Capillary tube 5 Diaphragm seal with capillary tube connection Figure 39 Level measurement with closed tanks with two diaphragm seals ...

Page 58: ...ange Value Apply PV Parallel Shift Lower Range Value Upper Range Value PV Bias Set PV to Zero Set PV to Value Reset PV Bias Transfer Function Linearization Type Linear Square Root Sqrt 3rd Power Sqrt 5th Power Linearization curve Bidirectional Flow Cylindric Lying Tank Spherical Tank Output Scaling Lin Rad Point Low Flow Cut Off Factory Reset Damping Unit Pressure Flow Mass Volume Density Level Ot...

Page 59: ...f Press Value Absolute Pressure Temperature Density Unit Density Ratio of Diameter Inner Tube Diameter Reynolds Number for Design State Standard Density Isentropic Exponent Min Temp Density Max Temp Density Level Steam Drum Level Level Unit Lower Level Upper Level Height of Condensate Temperature Unit Condensate Temp Value Condensate Temperature Open Tank Level Unit Lower Level Upper Level Transm ...

Page 60: ...sity Gas Density Tube Temperature Value Condensate Temperature Display Language English Deutsch Italiano Display Revision Contrast Mode One Line One Line Bargraph Two Lines Two Lines Bargraph Line 1 View Pressure Scaled Output Current Output Output Percent Totalizer 1 Totalizer 2 Batch Number Sensor Temperature Static Pressure HMI Scaled Output Mass Flow Volume Flow Heat Flow Process Temperature D...

Page 61: ...Trimming High Trimming Output Set 4 mA Set 20 mA Reset Factory Sensor Trimming User Sensor Trimming Factory Output Trimming Totalizer Input Status Start Stop Setting Mode Normal Batch Forward Reverse Forward Reverse Forward Reverse Selector Scaled Output Mass Flow Volume Flow Heat Flow Totalizer 1 Unit Conversion Fact Totalizer 2 Unit Conversion Fact Totalizer Batch Reset Count direction Preset Va...

Page 62: ...at Flow Totalizer 1 Unit Conversion Fact Totalizer 2 Unit Conversion Fact Totalizer Batch Reset Count direction Preset Value Reload Status Password Totalizer 1 Totalizer 2 Totalizer Batch Change Password Diagnostic Monitoring Pressure Output Scaled Output Static Pressure Sensor Temperature Device Identify Sensor Type High Sensor Limit Low Sensor Limit Minimum Span Hardware Revision Software Revisi...

Page 63: ...ocedure with throttle elements such as orifices nozzles Venturi swirl tubes and similar items Square root x3 for flow measurements in open chutes with rectangular or trapezoidal measurement weir Square root x5 for flow measurements in open chutes with V measurement weir triangular weir Bidirectional for flow measurements with bidirectional characteristic curve With customer specific linearization ...

Page 64: ... zero point the transmitter works linear with a gradient of 1 to an input value of 0 5 of the set measuring span and then continues linear to the activation point of the square root function adjustable between 5 and 20 of the output This function enables a more stable output signal close to the zero point and avoids errors due to the high gain associated with the square root The standard setting i...

Page 65: ...n flumes of V measuring weirs triangular weirs in accordance with ISO 14398 see Figure 45 the relationship between flow and dammed up height h differential pressure measured by the transmitter is proportional to h5 2 or to the square root of h5 With this function the output in of measuring span is proportional to the square root to the fifth power of the input signal in of the set measuring span T...

Page 66: ...t The parity bit can be set from NONE to EVEN or ODD parity The transmitter automatically adjusts the number of stop bits Figure 2 depicts a typical Modbus message format M11193 Start End 3 5 char 3 5 char Address 8 bits CRC 16 bits Data N x 8 bits Function 8 bits Modbus message At least 3 5 char Frame 1 Frame 2 Frame 3 3 5 char 4 5 char At least 3 5 char Figure 2 Sample Modbus message frame Messa...

Page 67: ...sius F 33 Degrees Fahrenheit R 34 Degrees Rankine K 35 Kelvin Table 3 Units for the mass flow Selection Code Description g s 70 Grams per Second g min 71 Grams per Minute g h 72 Grams per Hour kg s 73 Kilograms per Second kg min 74 Kilograms per Minute kg h 75 Kilograms per Hour kg d 76 Kilograms per Day t min 77 Tons per Minute t h 78 Tons per Hour t d 79 Tons per Day lb s 80 Pounds per Second lb...

Page 68: ...142 British thermal unit per hour Table 6 Level units Selection Code Description ft 44 Feet m 45 Meter in 47 Inch cm 48 Centimeter mm 49 Millimeter Table 7 Volume units Selection Code Description Gal 40 Gallons L 41 Liters ImpGal 42 Imperial Gallons m3 43 Cubic Meters Bbl 46 Barrels Bushel 110 Bushel yd3 111 Cubic Yards ft3 112 Cubic Feet in3 113 Cubic Inches bbl liq 124 Liquid Barrel Nm3 166 Norm...

Page 69: ...on code 4 is meant to access the process parameters which possibly could be polled in a low cycle time 100ms Therefore the data of the parameters is held in an internal buffer which has a low access time Function code 3 should be used to access parameters non cyclic or with a high cycle time seconds By reading or writing 32 bit or 16 bit registers 4 or 2 bytes are transmitted If a parameter has a ...

Page 70: ...age 75 Usign32 03 04 412 27 414 Diagnosis Main 2 See Application of the Diagnosis Main and Main 2 Registers on page 75 Using16 03 04 28 415 Empty Using16 03 04 416 41 441 Upper Calibration Point DP Float 03 06 16 16 442 42 443 Lower Calibration Point DP Float 03 06 16 16 444 43 445 Upper Calibration Point P Float 03 06 16 16 446 44 447 Lower Calibration Point P Float 03 06 16 16 448 45 450 Calibra...

Page 71: ...ctory Reset Usign16 03 06 16 492 Write Lock Usign16 03 06 16 493 MV Block On Off Usign8 03 06 16 501 Device Mode 0 Operate Modbus 1 Configure HART RS485 Usign8 03 06 16 502 Baud Rate 1 1200 Baud 2 2400 Baud 3 4800 Baud 4 9600 Baud 5 19200 Baud 6 38400 Baud 7 57600 Baud 8 115200 Baud Usign8 03 06 16 503 Bus Address 0 to 247 Usign8 03 06 16 504 Response Delay Time 0 to 200 ms Usign8 03 06 16 505 Par...

Page 72: ...Text 6 to 7 Usign16 03 06 16 124 615 Totalizer 2 Unit Usign8 03 06 16 125 616 Totalizer 2 Unit Conversion Factor Float 03 06 16 16 617 618 Totalizer 2 Unit Custom Text 0 to 1 Usign16 03 06 16 619 Totalizer 2 Unit Custom Text 2 to 3 Usign16 03 06 16 620 Totalizer 2 Unit Custom Text 4 to 5 Usign16 03 06 16 621 Totalizer 2 Unit Custom Text 6 to 7 Usign16 03 06 16 126 622 Totalizer 1 Value Float 04 62...

Page 73: ...e all 8 registers in an access with the function WriteMultipleRegister 16 The optional text lines can be disabled with the display menu an option USER TEXT Address Parameter Data type Function code 32 bit 16 bit Read Write 32 bit Write 16 bit 1001 User Text Line 1 Sign 1 2 Usign16 03 06 16 1002 User Text Line 1 Sign 3 4 Usign16 03 06 16 1003 User Text Line 1 Sign 5 6 Usign16 03 06 16 1004 User Tex...

Page 74: ...fail 19 Diagnosis Main 2 bit 2 01 02 Non Volatile memory burn error 20 Diagnosis Main 2 bit 3 01 02 Electronic Interface error 21 Diagnosis Main 2 bit 4 01 02 Electronic Interface communication error 24 Diagnosis Main 2 bit 7 01 02 Memory failure 25 Diagnosis Main 3 bit 0 01 02 Non Volatile memory burn error 26 Diagnosis Main 3 bit 1 01 02 Non Volatile storage active 27 Diagnosis Main 3 bit 2 01 0...

Page 75: ... Address Bit Error 411 0 1 2 Fourth sensor out of range 3 Process temperature out of range 4 Static pressure sensor out of range 5 Differential pressure sensor out of range 6 7 8 Process temperature out of limits 9 Sensor temperature out of limit 10 Static pressure sensor out of limits 11 Differential pressure sensor out of limits 12 Process temperature sensor fail 13 Sensor temperature fail 14 St...

Page 76: ...tion with Electronics F123 321 Brief description Information Back Exit The error message is shown on the display according to priority The first line shows the area in which the error has occurred The second line shows the unique error number It is made up of the priority Fxxx and the error position xxx The next lines show a brief description of the error and information on how to remedy it You ab...

Page 77: ... status of the measuring medium C088 030 Input Simulation Active The P dP value generated on the output is derived from the value simulated on the input Use the Device Type Manager DTM to switch the device back into the normal mode end input simulation The static pressure value generated on the output is derived from the value simulated on the input The sensor temperature value generated on the ou...

Page 78: ...e replaced F118 017 Sensor Memory Fail Measuring cell memory damaged The measuring cell must be replaced F120 016 Sensor Invalid The measuring cell signal is not updated correctly due to an electronics error a measuring cell error or a poorly connected measuring cell cable Check the cable connection and replace measuring cell if the problem persists The model the version of the measuring cell is n...

Page 79: ... mode M022 041 Electronic Temperature Out of Limits The electronics temperature underranges the permissible lower limit value Error in the current circuit for scanning the temperature The electronics should be replaced as soon as possible The temperature of the electronics exceeds its upper limit value Error in the current circuit for scanning the temperature M024 036 Power Supply Warning The ener...

Page 80: ...Exceeded The static pressure of the process increases the maximum permissible operating pressure for the transmitter Exceeding the maximum operating pressure can entail mechanical damage on the process connections flanges pipes etc or cause dangerous situations You must check whether the pressure transmitter is suitable for the process conditions S054 006 Sensor Temperature Out of Limits The tempe...

Page 81: ...operating conditions Preferably the measuring cell should be cleaned in a workshop Note For transmitters in safety relevant applications in accordance with IEC 61508 verification in accordance with the paragraph Acceptance test in chapter Functional safety in accordance with IEC 61508 is prescribed at fixed time intervals Repair and maintenance tasks must only be executed by employees of an author...

Page 82: ...nd perform the specified steps in reverse order NOTICE Damage to components The electronic components of the printed circuit board can be damaged by static electricity observe ESD guidelines Make sure that the static electricity in your body is discharged before touching electronic components Spare parts Repair and maintenance activities may only be performed by authorized customer service personn...

Page 83: ...essary the process flanges with a soft brush and a suitable cleaning agent NOTICE Potential damage to parts Components can be damaged using the wrong cleaning tools Do not use any sharp edged or pointed tools 4 Insert new O rings into the process flanges 5 Fit the process flanges onto the measuring cell The flange surfaces of both process flanges must be positioned in one plane and at right angles...

Page 84: ...ws Figure 6 Pos 2 and pull out the electronics module M10825 01 2 Figure 6 Housing cover electronic module 6 The electronics module is connected via a ribbon cable with connector to the measuring cell carefully unplug this connector from the electronics module 7 Unscrew the electronics housing of the pressure transmitter To do this unscrew the fixing screws Figure 7 Pos 3 so that the housing can b...

Page 85: ...al Dismounting WARNING Risk of injury due to process conditions The process conditions for example high pressures and temperatures toxic and aggressive measuring media can give rise to hazards when dismantling the device If necessary wear suited personal protective equipment during disassembly Before disassembly make sure that the process conditions do not pose any safety risks Depressurize and em...

Page 86: ...be recycled by specialist recycling companies Bear the following points in mind when disposing of them As of 8 15 2018 this product will be under the open scope of the WEEE Directive 2012 19 EU and relevant national laws for example ElektroG Electrical Equipment Act in Germany The product must be supplied to a specialist recycling company Do not use municipal waste collection points These may be u...

Page 87: ...ed The overpressure limits and upper static pressure limits can be lowered by means of the nominal pressure of the diaphragm seal flange see remote seal data sheet DS S26 Test pressure The transmitters can withstand a pressure test with the following line pressure without leaking Model Test pressure 266CRX 1 5 nominal pressure static pressure limit simultaneously on both sides Or double the value ...

Page 88: ...ax Temperature P x T Garlock 6 9 MPa 69 bar 1000 psi Æ73 and 204 C Æ100 and 400 F 250000 F x psi Graphite 2 5 MPa 25 bar 362 psi Æ100 and 380 C Æ148 and 716 F PTFE 6 MPa 60 bar 870 psi Æ100 and 250 C Æ148 and 482 F Operating limits 266CSx Pressure limits Gauge pressure limits The transmitter models 266CSX can operate without damage within the following overpressure limits Sensors Filling fluid Gau...

Page 89: ...n both sides Meets hydrostatic test requirements of ANSI ISA S 82 03 Temperature limits C F Environment This is the operating temperature All models Ambient temperature limits Silicone oil Æ40 and 85 C Æ40 and 185 F Fluorocarbon Galden Æ40 and 85 C Æ40 and 185 F All models Ambient temperature limits Integrated digital display LCD Æ40 and 85 C Æ40 and 185 F Viton gasket Æ20 and 85 C Æ4 and 185 F PT...

Page 90: ...ddress Contact person Telephone Fax Email Device details Type Serial no Reason for the return description of the defect Was this device used in conjunction with substances which pose a threat or risk to health F Yes F No If yes which type of contamination please place an X next to the applicable items F biological F corrosive irritating F combustible highly extremely combustible F toxic F explosiv...

Page 91: ...DBUS EN REV A 91 Trademarks Modbus is a registered trademark of the Modbus Organization Garlock is a registered trademark of Garlock Sealing Technologies LLC Galden is a Montefluos trademark Neobee M 20 is a Stepan Company trademark Syltherm is a Dow Chemical Company trademark ...

Page 92: ...aly Tel 39 0344 58111 Email abb instrumentation it abb com OI 266CXX MODBUS EN Rev A 07 2018 We reserve the right to make technical changes or modify the contents of this document without prior notice With regard to purchase orders the agreed particulars shall prevail ABB does not accept any responsibility whatsoever for potential errors or possible lack of information in this document We reserve ...

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