Azbil ATT085 User Manual Download

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Chapter 6. Maintenance

In general, no specific maintenance is required for this device.

Summary of Contents for ATT085

Page 1: ...ATT085 AdvancedTemperature transmitter with Foundation fieldbusTM protocol User s Manual CM2 ATT085 2001 ...

Page 2: ...tness for a particular purpose and makes no express warranty except as may be stated in its written agreement with and for its customer In no event shall Azbil Corporation be liable to anyone for any indirect special or consequential damages This information and specifications in this document are subject to change without notice 2015 Azbil Corporation All Rights Reserved ...

Page 3: ... ATT To use this product correctly and safely always observe the following precautions We are not responsible for damage or injury caused by the use of the product in violation of these precautions Handling Precautions for This Product Installation Precautions WARNING When installing use proper fittings and proper tightening torque for connections to the process and to the exhaust Gas leakage is d...

Page 4: ...e specifications carefully and make sure to wire correctly Incorrect wiring can cause device damage or malfunction Supply electric power correctly according to the specifications Supplying power that differs from the specifications can damage the device Use a DC power supply that has overload protection Maintenance Precautions WARNING When removing this device for maintenance be careful of residua...

Page 5: ...ck 5 Chapter 3 Wiring 7 3 1 Quick wiring guide 7 3 2 Connecting the sensor cables 8 3 3 Foundation Fieldbus cable specification 9 3 3 1 Cable type 9 3 3 2 Maximum overall cable length 10 3 3 3 Maximum spur length 10 3 3 4 Number of field devices 10 3 3 5 Shielding and grounding 10 3 3 6 Bus termination 11 3 3 7 Further information 11 3 4 Connecting the measuring unit 12 3 4 1 Cable glands or entri...

Page 6: ...ompatibility 46 Chapter 8 Technical Data 47 8 1 Input 47 8 2 Output 48 8 3 Power supply 48 8 4 Performance characteristics 48 8 5 Environment 52 8 6 Mechanical construction 53 8 7 Certificates and approvals 54 Chapter 9 Operation via Foundation Fieldbus 55 9 1 Block model 55 9 2 Resource Block device block 56 9 2 1 Selecting the operating mode 56 9 2 2 Block status 56 9 2 3 Write protection and si...

Page 7: ...v 9 4 Analog Input function block 84 9 5 PID function block PID controller 84 9 6 Input Selector function block 84 ...

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Page 9: ...e in hazardous areas such as Safety Instructions Control or Installation Drawings 1 3 Certificates and approvals The device is designed in accordance with good engineering practice to meet state of the art safety requirements has been tested and left the factory in a condition in which it is safe to operate The device complies with the standards EN 61 010 1 Protection Measures for Electrical Equip...

Page 10: ...s specification Foundation Fieldbus H1 Interoperability Test Kit ITK revision status 6 0 1 device certification number available on request the device may also be operated using certified devices from other manufacturers Physical Layer Conformance Test of the Fieldbus Foundation FF 830 FS 1 0 An overview of additional approvals and certifications can be found on page 49 1 4 Registered trademarks F...

Page 11: ...ns The dimensions of the device can be found in chapter 10 Technical data 2 2 2 Installation point In the terminal head flat face as per DIN 43729 direct mounting on insert with cable entry middle hole 7 mm In the field housing separate from the process see Section 8 Accessories Information on installation conditions such as ambient temperature protection classification climatic class etc can be f...

Page 12: ...h the lateral bores of the head transmitter 3 3 Screw the head transmitter to the field housing 4 When wiring is complete see section 4 screw the field housing cover 1 back on 2 3 2 Mounting the display 1 Open the terminal head cap 1 2 Remove the cover of the display connection 2 Plug the display module onto the mounted and wired head transmitter The mounting pins 3 must snap securely into the hea...

Page 13: ...on and specifications Notes Is the device visibly damaged visual check Does the device comply to the measurement point specifications such as ambient temperature measurement range etc S e e c h a p t e r 8 Te c h n ic a l Data Handling Precautions Make sure the sensor type Make sure that the sensor type and model are correct Use of the incorrect sensor and model might cause temperature errors or a...

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Page 15: ...mage the transmitter f f Maximum torque 1 Nm pound feet For wiring a mounted head transmitter proceed as follows 1 Open the cable gland and the housing cover on the terminal head or the field housing 2 Feed the cables through the opening in the cable gland 3 Connect the cables as shown in Fig 3 1 If the head transmitter is fitted with spring terminals 4 Retighten the cable gland and close the hous...

Page 16: ...arately to a transmitter The device provides sufficient galvanic isolation 2 kV AC between the input and output Please refer to Fig 3 1 for the terminal assignment of the sensor connections The following connection combinations are possible when both sensor inputs are assigned Sensor input 1 Sensor input 2 RTD or resistance transmitter 2 wire RTD or resistance transmitter 3 wire RTD or resistance ...

Page 17: ...shielding since the freedom from interference generally does not meet the requirements described in the standard The electrical data of the fieldbus cable have not been specified but determine important characteristics of the design of the fieldbus such as distances bridged number of users electromagnetic compatibility etc Type A Type B Cable structure Twisted pair shielded One or more twisted pai...

Page 18: ...e system components and in particular the lines are shielded and the shield forms as complete a cover as possible A shield coverage of 90 is ideal To ensure an EMC protective effect connect the shield as often as possible to the reference ground For reasons of explosion protection you should refrain from grounding however To comply with both requirements the Foundation Fieldbus basically allows th...

Page 19: ... must not be connected to the ground terminal of the housing terminal head field housing The shield that is not connected should be insulated 3 3 6 Bus termination The start and end of each fieldbus segment are always to be terminated with a bus terminator With various junction boxes non Ex the bus termination can be activated via a switch If this is not the case a separate bus terminator must be ...

Page 20: ...ly frequency equalizing currents can occur that damage the cable or the shielding In such cases the shielding of the fieldbus cable is to be grounded on only one side i e it must not be connected to the ground terminal of the housing terminal head field housing The shield that is not connected should be insulated f f We recommend that the fieldbus not be looped using conventional cable glands If y...

Page 21: ...ction boxes etc This connection technology using prefabricated distribution modules and plug in connectors offers substantial advantages over conventional wiring Field devices can be removed replaced or added at any time during normal operation Communication is not interrupted Installation and maintenance are significantly easier Existing cable infrastructures can be used and expanded instantly e ...

Page 22: ...2 Degree of protection IP 67 as per DIN 40 050 IEC 529 Contact surface CuZn gold plated Housing material 1 4401 316 Flammability V 2 as per UL 94 Ambient temperature 40 to 105 C 40 to 221 F Current carrying capacity 9 A Rated voltage max 600 V Contact resistance 5 mΩ Insulation resistance 109 Ω ...

Page 23: ...crew terminals well tightened and have the connections of the spring terminals been checked Are all the cable entries installed tightened and sealed Cable run with water trap Are all the housing covers installed and tightened Electrical connection of Foundation Fieldbus Notes Are all the connecting components T boxes junction boxes connectors etc connected with each other correctly Has each fieldb...

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Page 25: ...es page 22 2 Miniature switches DIP switches for diverse hardware settings optional You can make the following hardware settings for the Foundation Fieldbus interface using miniature switches DIP switches on the rear of the optional display page 22 Enabling disabling the simulation mode in the Analog Input function block Switching the hardware write protection on off Switching turning the display ...

Page 26: ...rent measured value 5 Channel display C1 or C2 P1 S1 e g C1 for a measured value from channel 1 6 Configuration locked symbol The configuration locked symbol appears when configuration is locked via the hardware 7 Warning or error message If a warning occurs the display alternates between the measured value and the warning code If an error occurs the display alternates between the error code and n...

Page 27: ...int with installed FF head transmitter Fig 4 3 System integration via Foundation Fieldbus HSE High Speed Ethernet H1 Foundation Fieldbus H1 The following system connection options are possible A linking device can be used to connect to higher ranking fieldbus protocols e g to the High Speed Ethernet HSE Control Net A H1 card is required for direct connection to a process control system System inpu...

Page 28: ...er publishes its data on the bus and all the bus users configured accordingly obtain this data Publication of this data is carried out by a bus administrator known as the Link Active Scheduler which controls the sequence of bus communication centrally The LAS organizes all the bus activities and sends appropriate commands to the individual field devices Other tasks of the LAS are Recognition and r...

Page 29: ...n the device even during a supply voltage failure 4 3 5 Function blocks The Foundation Fieldbus uses predefined function blocks to describe the functions of a device and to specify uniform data access The function blocks implemented in each fieldbus device provide information on the tasks which a device can accept in the whole of the automation strategy In the case of sensors these are typically t...

Page 30: ...ters System files You require the following files for commissioning and configuring the network Commissioning device description DD sym ffo Network configuration CFF file Common File Format 4 5 Hardware settings optional DIP switches on the rear of the display are used to enable and disable hardware write protection and the simulation mode for the Analog Input Block and to switch turn the display ...

Page 31: ...isplay is removed from the head transmitter Fig 4 4 Hardware settings via DIP switches 1 Connection to head transmitter 2 DIP switch 1 7 SW HW and ADDR ACTIVE no function 3 DIP switch SIM simulation mode WRITE LOCK write protection DISPL 180 switch turn the display 180 ...

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Page 33: ...ctions after power up As this procedure progresses the following sequence of messages appears on the display Step Display 1 Display name and software SW and hardware HW version 2 Company logo if applicable 3a Device name if applicable as well as the SW HW and device release of the head transmitter 3b Displays sensor configuration 4a Current measured value or 4b Current status message If the switch...

Page 34: ...ta Quick Setup Display Transducer Menu guided configuration of the display unit Set to OOS mode Resource Sensor Transducer Display Transducer AdvDiagnostic Transducer AI PID and ISEL Setup to mode Out Of Service Set to Auto mode Resource Sensor Transducer Display Transducer AdvDiagnostic Transducer AI PID and ISEL Setup to mode Auto Restart Resource Device restart with various options as to which ...

Page 35: ... xxx serial number Base index Description RS_xxxxxxxxxxx 400 Resource Block TB_S1_xxxxxxxxxxx 500 Transducer Block temperature sensor 1 TB_S2_xxxxxxxxxxx 600 Transducer Block temperature sensor 2 TB_DISP_xxxxxxxxxxx 700 Transducer Block Display TB_ADVDIAG_xxxxxxxxxxx 800 Transducer Block Advanced Diagnostic AI1_ xxxxxxxxxxx 900 Analog Input function block 1 AI2_ xxxxxxxxxxx 1000 Analog Input funct...

Page 36: ...f necessary page 22 8 Enter the desired name for the block optional Factory setting RS_xxxxxxxxxxx Set the operating mode in the MODE_BLK parameter group TARGET parameter to AUTO Configuring the Transducer Blocks The individual Transducer Blocks comprise various parameter groups arranged by device specific functions Temperature sensor 1 Transducer Block TB_S1_xxxxxxxxxxx base index 500 Temperature...

Page 37: ...variable chosen Otherwise the BLOCK_ERROR parameter displays the Block Configuration Error error message and the operating mode of the block cannot be set to AUTO 15 In the L_TYPE parameter select the type of linearization for the input variable direct indirect indirect sq root see Chapter 9 Handling Precautions Please note that if the Direct linearization type is selected the settings in the OUT_...

Page 38: ...value HIHI_ALM_OUT_D HI_ALM_OUT_D LOLO_ALM_OUT_D LO_ALM_OUT_D PV HI_HI_LIM 1 x x x PV HI_HI_LIM 0 x x x PV HI_LIM x 1 x x PV HI_LIM x 0 x x PV LO_LIM x x 0 x PV LO_LIM x x 1 x PV LO_LO_LIM x x x 0 PV LO_LO_LIM x x x 1 System configuration connecting function blocks Fig 5 2 18 A final overall system configuration is necessary so that the operating mode of the Analog Input function block can be set ...

Page 39: ...nalog Input Blocks 1 and 2 19 Once you have specified the active LAS page 20 download all the data and parameters to the field device 20 Set the operating mode in the MODE_BLK parameter group TARGET parameter to AUTO This is only possible however under two conditions The function blocks are correctly connected to one another The Resource Block is in the AUTO operating mode ...

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Page 41: ...33 Chapter 6 Maintenance In general no specific maintenance is required for this device ...

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Page 43: ...es on the display Chapter 7 5 q Faulty connection to the fieldbus host system No connection can be made between the fieldbus host system and the measuring device Check the following points Fieldbus connection Check the data cable Fieldbus connector optional Check pin assignment wiring page 13 Fieldbus voltage Check that a min bus voltage of 9 V DC is present at the terminals Permitted range 9 to 3...

Page 44: ...dy been configured in the Analog Input function block page 27 5 Check whether the operating mode of the Resource Block is set to AUTO MODE_BLK parameter group TARGET parameter 6 Make sure that the function blocks are correctly connected together and that this system configuration has been sent to the fieldbus users page 27 Analog Input function block Although the operating mode is set to AUTO the ...

Page 45: ...e host system Relevant version information can be queried by means of the following functions parameters FF interface Resource Block DD_REV parameter Example Display in DEV_REV parameter 01 Display in the DD_REV parameter 01 Device description file DD required 0101 sym 0101 ffo Analog Input function block The output value OUT is not updated despite a valid GOOD status Simulation is active Deactiva...

Page 46: ...atus in the form of the letter in question plus the defined error number ALARM error category The device does not continue measuring when the status message is F If a display unit is attached the display alternates between the status message and no valid measured value available Depending on the setting of the Fail Safe Type parameter FSAFE_TYPE the last good measured value the incorrect measured ...

Page 47: ... replace if necessary SV1 SV2 also PV1 PV2 depending on the configuration Transducer_Error No error SUBSTATUS Sensor conversion not accurate F 043 Device status message FF Sensor shortcut F 043 Local display F 043 BLOCK_ERR Other Input Failure Device needs maintenance now QUALITY BAD Cause of error Short circuit detected at the sensor terminals Remedy Check sensor and sensor wiring SV1 SV2 also PV...

Page 48: ...or drift detected M 103 Local display M 103 Measured value BLOCK_ERR Device needs maintenance now QUALITY UNCERTAIN Cause of error Sensor drift has been detected in accordance with the settings in the Advanced Diagnostics Block Remedy Check the sensor depending on the application PV1 PV2 SV1 SV2 Transducer_Error No error SUBSTATUS Non specific M 104 Device status message FF Backup active M 104 Loc...

Page 49: ...QUALITY UNCERTAIN Cause of error Device starting initializing Remedy Message is only displayed during power up SV1 SV2 PV1 PV2 RJ1 RJ2 Transducer_Error Data integrity error SUBSTATUS Non specific F 431 Device status message FF No calibration F 431 Local display F 431 BLOCK_ERR Other QUALITY BAD Cause of error Error in calibration parameters Remedy Device defective replace SV1 SV2 PV1 PV2 RJ1 RJ2 T...

Page 50: ...sducer_Error No error SUBSTATUS Non specific F 901 Device status message FF Ambient temperature too low F 901 Local display F 901 BLOCK_ERR Device needs maintenance now QUALITY BAD Cause of error Reference junction temperature 40 C 40 F Alarm_Ambient_ Temp ON parameter Remedy Observe ambient temperature as per specification SV1 SV2 PV1 PV2 RJ1 RJ2 Transducer_Error General error SUBSTATUS Device fa...

Page 51: ...ventative maintenance troubleshooting to be done An alarm message is output as of the alarm set point The following table describes how the device behaves when the resistance in a sensor connection cable changes depending on whether the on or off option has been selected RTD 2 kΩ 2 kΩ x 3 kΩ 3 kΩ off WARNING M 042 ALARM F 042 on ALARM F 042 ALARM F 042 TC 10 kΩ 10 kΩ x 15 kΩ 15 kΩ off WARNING M 04...

Page 52: ...ing Change scaling Incorrect RTD configured Change SENSOR_TYPE device function Sensor connection two wire incorrect connection configuration compared to actual connection Check the sensor connection configuration of the transmitter The cable resistance of the sensor two wire was not compensated Compensate the cable resistance Offset incorrectly set Check offset Sensor sensing head defective Check ...

Page 53: ...e SENSOR_TYPE device function Incorrect comparison measurement point set See Chapter Chapter 9 Offset incorrectly set Check offset Interference via the thermocouple wire welded in the thermowell interference voltage coupling Use a sensor where the thermocouple wire is not welded Sensor incorrectly connected Connect the connecting cables correctly observe polarity page 8 Sensor sensing head defecti...

Page 54: ...he application 7 6 Disposal The device contains electronic components and must therefore be disposed of as electronic waste in the event of disposal Please pay particular attention to the local regulations governing waste disposal in your country 7 7 Software history and overview of compatibility Release The release number on the nameplate and in the User s Manual indicates the device release XX Y...

Page 55: ... compensation for wire resistance possible 0 to 30 Ω For 3 wire and 4 wire connection sensor wire resistance up to max 50 Ω per wire Resistance transmitter Resistance Ω 10 to 400 Ω 10 to 2000 Ω Thermocouples TC as per IEC 584 Part 1 as per ASTM E988 Type B PtRh30 PtRh6 Type E NiCr CuNi Type J Fe CuNi Type K NiCr Ni Type N NiCrSi NiSi Type R PtRh13 Pt Type S PtRh10 Pt Type T Cu CuNi Type C W5Re W26...

Page 56: ...s an LAS this must be defined in the distributed control system and activated by downloading the configuration to the device In accordance with IEC 60079 27 FISCO FNICO Signal on alarm Status message in accordance with Foundation Fieldbus specification Linearization transmission behavior Temperature linear resistance linear voltage linear Mains voltage filter 50 60 Hz Galvanic isolation U 2 kV AC ...

Page 57: ...e device enables the use of two methods Callendar Van Dusen coefficients Pt100 resistance thermometer The Callendar Van Dusen equation is described as RT R0 1 AT BT2 C T 100 T3 The coefficients A B and C are used to match the sensor platinum and transmitter in order to improve the accuracy of the measuring system The coefficients for a standard sensor are specified in IEC 751 If no standard sensor...

Page 58: ...g conditions Influence of ambient temperature temperature drift Impact on accuracy when ambient temperature changes by 1 K 1 8 F Input 10 to 400 Ω 0 001 of the measured value min 1 mΩ Input 10 to 2000 Ω 0 001 of the measured value min 10 mΩ Input 20 to 100 mV 0 001 of the measured value min 0 2 μV Input 5 to 30 mV 0 001 of the measured value min 0 2 μV Typical sensitivity of resistance thermometer...

Page 59: ...he Expression of Uncertainty in Measurement as follows Total measurement accuracy k Basic measured error transmitter 2 Measured error ambient transmitter 2 Measured error sensor 2 3 3 3 Example of calculting the total measurement inaccuracy of a thermometer Ambient temperature drift Δϑ 10 K 18 F Pt100 Class B measuring range 0 to 100 C 32 to 212 F maximum process temperature 100 C 212 F k 2 Basic ...

Page 60: ...ements mentioned in IEC 61326 Amendment 1 1998 and NAMUR NE21 This recommendation is a consistent and practical way of determining whether the devices used in laboratories and in process control systems are immune to interference thus increasing their functional safety ESD electrostatic discharge IEC 61000 4 2 6 kV cont 8 kV air Electromagnetic IEC 61000 4 3 0 08 to 4 GHz 10 V m fields Burst fast ...

Page 61: ...pring terminals Tin plated brass contact spring V2A Potting PU complies with UL94 V0 WEVO PU 403 FP FL fire prevention characteristics Terminals Choice of screw or spring terminals see Design dimensions diagram for sensor and fieldbus wires Terminals version Wire version Conductor cross section Screw terminals with latches at the fieldbus terminals for easy connection of a handheld terminal e g DX...

Page 62: ...nd vibration resistance NAMUR Standards working group for measurement and control technology in the chemical industry UL Recognized component to UL61010 1 CSA GP CSA General Purpose Recognized component to CAN CSA C22 2 No 61010 1 04 Certification Foundation Fieldbus The temperature transmitter has successfully passed all test procedures and is certified and registered by the Fieldbus Foundation T...

Page 63: ...er Blocks The Transducer Blocks contain the measuring and device specific parameters of the device One or more function blocks The function blocks contain the device s automation functions We distinguish between different function blocks e g Analog Input function block Analog Output function block Each of these function blocks is used to execute different application functions Depending on how the...

Page 64: ...be linked to other blocks The most important functions and parameters of the Resource Block are listed below 9 2 1 Selecting the operating mode The operating mode is set by means of the MODE_BLK parameter group The Resource Block sup ports the following operating modes AUTO automatic mode OOS out of service Note The Out of Service OOS operating mode is also displayed by means of the BLOCK_ ERR par...

Page 65: ...events The status of the process alarms is communicated to the fieldbus host system by means of the BLOCK_ALM parameter The ACK_OPTION parameter allows you to specify whether an alarm has to be acknowledged by means of the fieldbus host system The following process alarms are gener ated by the Resource Block Block process alarms The following block process alarms of the Resource Block are displaye...

Page 66: ... for sorting alarms and events User input 1 to 255 Factory default 0 36 Block Alarm BLOCK_ALM AUTO OOS The current block status appears on the display with information on pending configura tion hardware or system errors including information on the alarm period date time when the error occurred The block alarm is triggered in the event of the following block errors SIMULATE ACTIVE OUT OF SERVICE I...

Page 67: ...nce source for the device description in the device Display NULL 13 DD Revision DD_REV Read only Displays the revision number of the ITK tested device description 12 Device Revision DEV_REV Read only Displays the revision number of the device 49 Device Release DEVICE_ RELEASE Read only Combines the software release and hardware release in one device release 44 Device Tag DEVICE_TAG Read only Tag n...

Page 68: ...ost system to the field device 15 Hard Types HARD_TYPES Read only Displays the input signal type for the Analog Input function block 48 Hardware Version HARDWARE_ VERSION Read only Displays the version of the device hardware 41 ITK Version ITK_VER Read only Displays the version number of the supported ITK test 32 Limit Notify LIM_NOTIFY AUTO OOS This parameter is used to specify the number of even...

Page 69: ...y MS_RESOURCE_ DIRECTORY Read only Displays the resource directory for the ENP 23 Nonvolatile Cycle Time NV_CYCLE_T Read only Displays the time interval for which the dynamic device parameters are stored in the nonvolatile memory The time interval displayed relates to storage of the following dynamic device parame ters OUT PV FIELD_VAL Note Since the device does not store the dynamic device parame...

Page 70: ...ode When the monitoring time elapses the function block changes from the RCAS operating mode to the operating mode selected in the SHED_OPT parameter Factory default 640000 1 32 ms 27 Shed Remote Out SHED_ROUT AUTO OOS Specifies the monitoring time for checking the connection between the fieldbus host system and the PID function block in the ROUT operating mode When the monitoring time elapses the...

Page 71: ...e write protection is disabled 34 Write Lock WRITE_LOCK Read only Able and disable write protection Display LOCKED Device data cannot be modified NOT LOCKED Device data can be modified UNINITIALIZED 39 Write Priority WRITE_PRI AUTO OOS Specifies the behavior of a write protected alarm WRITE_ALM parameter User input 0 The write protection alarm is not evaluated 1 No report to the fieldbus host syst...

Page 72: ...00 This block contains all the parameters and functions that have to do with measuring the input vari ables e g temperature Transducer Block Display base index 700 The parameters of this block allow the configuration of the display Transducer Block Advanced Diagnostic base index 800 This block comprises the parameters for automatic monitoring and diagnosis 9 3 1 Block output variables The followin...

Page 73: ...t could not be evaluated and thus triggered the process alarm in the Analog Input function block 9 3 4 Accessing the manufacturer specific parameters To access the manufacturer specific parameters the hardware write protection must be deactivated see Section 4 5 9 3 5 Selecting the units The system units selected in the Transducer Blocks do not have any effect on the desired units which should be ...

Page 74: ...merical value in the STRATEGY parameter of each individual block Factory setting 0 Note These data are neither checked nor processed by the Transducer Blocks Alert key ALERT_KEY AUTO OOS Use this function to enter the identification number of the plant unit This information can be used by the fieldbus host system for sorting alarms and events User input 1 to 255 Factory setting 0 Block Mode MODE_B...

Page 75: ...nt POWER UP Status message during the startup procedure SIMULATE ACTIVE The DIP switch for the simulation is active BLOCK CONFIGURATION ERROR The block was configured incor rectly 0x000 No active block error present An exact error description as well as information on rectifying faults can be found in Section 7 2 Update Event UPDATE_EVT AUTO OOS Indicates whether static block data have been altere...

Page 76: ...only The active device error appears on the display Possible display No Error normal status Electronics failure Data Integrity Error Mechanical failure Configuration Error Calibration error General Error Notes Summarized device status condition more precise information on the pending error s is available by means of the manufacturer specific error display This can be read via the Transducer Block ...

Page 77: ...ining sensor and a warning message is sent to the distributed control system The backup function ensures that the process is not inter rupted by the failure of an individual sensor and that an extremely high degree of safety and avail ability is achieved Sensor drift detection If 2 sensors are connected and the measured values differ by a specified value a warning alarm is sent to the distributed ...

Page 78: ...d or a fixed value can be specified EXTERNAL This value has to be entered in the RJ_EXTERNAL_VALUE parameter The units displayed are selected with the PRIMARY_VALUE_UNIT and SENSOR_RANGE 2 UNITS_INDEX parameters It must be ensured that the units selected physically suit the measured variables Note The Sensor 1 and 2 Transducer Blocks each make the Quick Setup Wizard available to configure the meas...

Page 79: ...1 Switch the setting for the SENSOR_CAL_METHOD parameter to user trim standard cali bration Then apply the lowest process value to be expected e g 10 C to the sensor of the device This value is then entered in the CAL_POINT_LO parameter Make sure that the status for SENSOR_VALUE is Good 2 Now expose the sensor to the highest process value to be expected e g 120 C again ensure the status is Good an...

Page 80: ...the Callendar Van Dusen wizard Linearization of copper nickel resistance thermometers RTD The coefficients R0 A B C can be specified in the POLY_COEFF_R0 POLY_COEFF_A POLY_COEFF_B POLY_COEFF_C parameters To activate this linearization select the RTD Poly nom Nickel or RTD Polynom Copper setting in the SENSOR_TYPE parameter In addition the upper and lower calculation limits have to be entered in th...

Page 81: ...he PRIMARY_VALUE appears on the display Display Sensor Transducer 1 PV SV_1 Secondary Value 1 PV SV_1 SV_2 Difference PV 0 5 x SV_1 SV_2 Average PV 0 5 x SV_1 SV_2 redundancy Average or Secondary Value 1 or Secondary Value 2 in the event of a sensor error in the other sensor PV SV_1 OR SV_2 Backup function If sensor 1 fails the value of sensor 2 automatically becomes the Primary Value PV SV_1 OR S...

Page 82: ...ensor Transducer 1 Settings for sensor input 1 Sensor Transducer 2 Settings for sensor input 2 Note Please observe the wiring diagram in Section 3 1 when connecting the individual sensors In the case of 2 channel operation the possible connection options in Section 3 2 also have to be observed Sensor connection SENSOR_ CONNECTION AUTO OOS Sensor connection mode Sensor Transducer 1 2 wire 3 wire 4 ...

Page 83: ...is affects offset and slope Note To write to this parameter SENSOR_CAL_ METHOD must be set to User Trim Standard Calibration Calibration lowest point CAL_POINT_LO AUTO OOS Lower point for linear characteristic calibration this affects offset and slope Note To write to this parameter SENSOR_CAL_ METHOD must be set to User Trim Standard Calibration Calibration minimum span CAL_MIN_SPAN AUTO OOS Span...

Page 84: ...ased on the Callendar Van Dusen method Callendar Van Dusen B CVD_COEFF_B AUTO OOS Callendar Van Dusen C CVD_COEFF_C AUTO OOS Callendar Van Dusen R0 CVD_COEFF_R0 AUTO OOS Callendar Van Dusen Measuring Range Maximum CVD_COEFF_ MAX AUTO OOS Upper calculation limit for Callendar Van Dusen linearization Callendar Van Dusen Measuring Range Minimum CVD_COEFF_ MIN AUTO OOS Lower calculation limit for Call...

Page 85: ...rature compensation is used INTERNAL Internal reference junction temperature is used for the temperature compensation EXTERNAL RJ_EXTERNAL_VALUE is used for the temperature compensation Reference junction value unit RJ_UNIT Read only Unit of the internal reference temperature This always corresponds to the unit set in SENSOR_ RANGE UNITS_INDEX Reference junction external value RJ_EXTERNAL_ VALUE A...

Page 86: ...re connection and thermocouples see also Section 7 2 1 Drift detection Drift detection can be configured with the SENSOR_DRIFT_MONITORING parameter Drift detec tion can be enabled or disabled If drift detection is enabled and a drift occurs an error or maintenance prompt is output A distinction is made between 2 different modes SENSOR_DRIFT_MODE In the Overshooting mode a status message is output ...

Page 87: ...he SENSOR_DRIFT_LIMIT parameter is undershot Undershooting or over shot Overshooting Note If Overshooting is selected the corresponding status is generated if the limit value is overshot SENSOR_DRIFT_LIMIT In the case of Under shooting the status is output if the limit value is undershot Sensor Drift alert value SENSOR_ DRIFT_ALERT_ VALUE AUTO OOS Limit value of the permitted deviation from 1 to 9...

Page 88: ...alue of the sensor is below the linearization range 102 SENSOR_OVERUSAGE Measured value of the sensor is above the linearization range 104 BACKUP_ACTIVATED Backup function activated due to sensor failure 103 DEVIATION Sensor drift detected 501 DEVICE_PRESET Reset routine in progress 411 UP DOWNLOAD Uploading downloading 482 SIMULATION Device is in the simulation mode 402 STARTUP Device is in the s...

Page 89: ...sages currently pending in the device Primary Value 1 Max Indicator PV1_ MAX_INDICATOR AUTO OOS Maximum indicator for the maximum value to occur for PV1 can be reset Primary Value 1 M i n In d i c at or P V 1 _ M I N _ INDICATOR AUTO OOS Maximum indicator for the minimum value to occur for PV1 can be reset Primary Value 2 Max Indicator PV2_ MAX_INDICATOR AUTO OOS Maximum indicator for the maximum ...

Page 90: ...n option The selection is made by means of the DISPLAY_SOURCE_X1 parameter The number of decimal places displayed can be configured independently for every channel using the DISP_ VALUE_X_DECIMAL_PLACES parameter Symbols are available for the units C K F mV R and Ω These units are displayed automatically when the measured value is selected This text has a maximum length of 12 characters The Displa...

Page 91: ...P_VALUE_X_ DESC AUTO OOS Description of the display value displayed Note Maximum 12 letters The value is not shown on the display Decimal places x DISP_VALUE_ X_FORMAT AUTO OOS For selecting the number of places displayed after the decimal point Configuration option from 0 to 4 The option 4 means AUTO The maximum number of decimal places possible always appears on the display Possible settings Aut...

Page 92: ...limit value processing The automation function is defined by connecting up the outputs A detailed description of the Analog Input AI function block can be found in the Foundtion Fieldbus Function Blocks manual 9 5 PID function block PID controller A PID function block contains the input channel processing the proportional integral differential control PID and the analog output channel processing T...

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Page 94: ...he following matters into consideration 1 Regulations and standards or laws that your Equipment is to comply with 2 Examples of application described in any documents provided by Azbil Corporation are for your reference purpose only and you are required to check the functions and safety of your Equipment prior to your use 3 Measures to be taken to secure the required level of the reliability and s...

Page 95: ...d to renew any Azbil Corporation s products every 5 to 10 years unless otherwise specified in specifications or instruction manuals System products field instru ments sensors such as pressure flow level sensors regulating valves etc will reach the end of their life due to aged deterioration of parts For those parts that will reach the end of their life due to aged deterioration recommended replace...

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Page 97: ...Document Number CM2 ATT085 2001 Document Name ATT085 with Foundation fieldbusTM protocol Advanced Temperature transmitter User s Manual Date 1st edition May 2015 Issued Edited by ...

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