Rosemount 848T Spécifications

Reference Manual00809-0100-4697, Rev GANovember 2014Device Revision 8Rosemount 848T High Density Temperature Transmitter with FOUNDATION™ fieldbus

2Reference Manual00809-0100-4697, Rev GASection 1: IntroductionNovember 2014IntroductionSection 1: Introduction Overview Considerations Return of M

90Reference Manual00809-0100-4697, Rev GAAppendix C: FOUNDATION Fieldbus TechnologyNovember 2014FOUNDATION Fieldbus TechnologyThe Fieldbus Foundation

91Reference Manual 00809-0100-4697, Rev GAAppendix C: FOUNDATION Fieldbus TechnologyNovember 2014FOUNDATION Fieldbus Technologywithin devices from var

92Reference Manual00809-0100-4697, Rev GAAppendix C: FOUNDATION Fieldbus TechnologyNovember 2014FOUNDATION Fieldbus TechnologyFigure C-2. Simple, Sing

93Reference Manual 00809-0100-4697, Rev GAAppendix C: FOUNDATION Fieldbus TechnologyNovember 2014FOUNDATION Fieldbus TechnologyLAS parametersThere are

94Reference Manual00809-0100-4697, Rev GAAppendix C: FOUNDATION Fieldbus TechnologyNovember 2014FOUNDATION Fieldbus TechnologyFOUNDATION fieldbus uses

95Reference Manual 00809-0100-4697, Rev GAAppendix C: FOUNDATION Fieldbus TechnologyNovember 2014FOUNDATION Fieldbus TechnologyFigure C-4. Scheduled D

96Reference Manual00809-0100-4697, Rev GAAppendix C: FOUNDATION Fieldbus TechnologyNovember 2014FOUNDATION Fieldbus TechnologyC.5.5 Function block sch

Reference Manual 00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 201497Function BlocksAppendix D Function BlocksAnalog Input (AI) function

98Reference Manual00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function Blocks05 MODE_BLK NoneThe actual, target, permitted, and nor

99Reference Manual 00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function Blocks18 PV_FTIME SecondsThe time constant of the first-ord

3Reference Manual 00809-0100-4697, Rev GASection 1: IntroductionNovember 2014Introduction1.3 Service supportTo expedite the return process in North Am

100Reference Manual00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function BlocksD.1.1 FunctionalitySimulationTo support testing, eith

101Reference Manual 00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function BlocksFigure D-2. Analog Input Function Block SchematicFil

102Reference Manual00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function BlocksIndirect square rootIndirect Square Root signal conve

103Reference Manual 00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function BlocksModesThe AI Function Block supports three modes of o

104Reference Manual00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function BlocksStatus handlingNormally, the status of the PV reflect

105Reference Manual 00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function BlocksL_TYPESelect Direct when the measurement is in the d

106Reference Manual00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function BlocksD.2 Multiple analog input (MAI) function blockThe MAI

107Reference Manual 00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function Blocks7 CHANNEL None Allows for custom channel setting. Va

108Reference Manual00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function BlocksD.2.1 FunctionalitySimulationTo support testing, eith

109Reference Manual 00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function BlocksFigure D-4. Multiple Analog Input Function Block Sch

4Reference Manual00809-0100-4697, Rev GASection 1: IntroductionNovember 2014Introduction

110Reference Manual00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function BlocksWhen the converted input value is below the limit spe

111Reference Manual 00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function BlocksAutomatic (Auto) OUT_1 to OUT_8 reflects the analog

112Reference Manual00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function BlocksCHANNELIf the device supports more than one measureme

113Reference Manual 00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function BlocksD.3 Input selector function blockThe Input Selector

114Reference Manual00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function Blocks6 BLOCK_ERR None This parameter reflects the error st

115Reference Manual 00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function BlocksD.3.1 FunctionalityFigure D-5. Input Selector Functi

116Reference Manual00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function BlocksBlock errorsTab le D -7 lists conditions reported in

117Reference Manual 00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function BlocksAlarm detectionA block alarm will be generated whene

118Reference Manual00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function BlocksIf the OP_SELECT is set to a value between 1 and 8, t

119Reference Manual 00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function BlocksFigure D-7. Input Selector Function Block Applicatio

Reference Manual 00809-0100-4697, Rev GASection 2: InstallationNovember 20145InstallationSection 2 InstallationSafety messages . . . . . . . . . . .

120Reference Manual00809-0100-4697, Rev GAAppendix D: Function BlocksNovember 2014Function Blocks

Index-1Reference Manual 00809-0100-4697, Rev GAIndexNovember 2014IndexNumerics2-Inch Pipe StandMounting . . . . . . . . . . . . . . . . . . . . . . .

Index-2Reference Manual00809-0100-4697, Rev GAIndexNovember 2014IndexFFOUNDATION fieldbus . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47A

Index-3Reference Manual 00809-0100-4697, Rev GAIndexNovember 2014IndexNNetwork Communication. . . . . . . . . . . . . . . . . . . . . . . . 87Address

Index-4Reference Manual00809-0100-4697, Rev GAIndexNovember 2014Index

Reference Manual00809-0100-4697, Rev GANovember 2014Standard Terms and Conditions of Sale can be found at www.rosemount.com/terms_of_saleThe Emerson l

6Reference Manual00809-0100-4697, Rev GASection 2: InstallationNovember 2014Installation2.2.1 Mounting to a DIN rail without an enclosureTo mount the

7Reference Manual 00809-0100-4697, Rev GASection 2: InstallationNovember 2014Installation2.2.3 Mounting to a 2-in. pipe standUse the optional mounting

8Reference Manual00809-0100-4697, Rev GASection 2: InstallationNovember 2014Installation2.3 WiringIf the sensor is installed in a high-voltage environ

9Reference Manual 00809-0100-4697, Rev GASection 2: InstallationNovember 2014InstallationFigure 2-5. Sensor Wiring DiagramA. 2-wire RTD and ohmsB. 3-w

10Reference Manual00809-0100-4697, Rev GASection 2: InstallationNovember 2014InstallationFigure 2-6. 848T Analog Input Wiring DiagramA. Analog input c

11Reference Manual 00809-0100-4697, Rev GASection 2: InstallationNovember 2014Installation2.3.2 Power supplyConnectionsThe transmitter requires betwee

12Reference Manual00809-0100-4697, Rev GASection 2: InstallationNovember 2014InstallationShielded wire Each process installation has different require

13Reference Manual 00809-0100-4697, Rev GASection 2: InstallationNovember 2014InstallationGrounded thermocouple inputs1. Ground sensor wiring shield(s

14Reference Manual00809-0100-4697, Rev GASection 2: InstallationNovember 2014Installation2.5 SwitchesFigure 2-9. Switch Location on the Rosemount 848T

15Reference Manual 00809-0100-4697, Rev GASection 2: InstallationNovember 2014InstallationFigure 2-10. Commissioning TagA. Device IDB. Device Tag to d

16Reference Manual00809-0100-4697, Rev GASection 2: InstallationNovember 2014Installation2.7 Installation 2.7.1 Using cable glandsUse the following st

17Reference Manual 00809-0100-4697, Rev GASection 2: InstallationNovember 2014Installation2.7.2 Using conduit entriesUse the following steps to instal

18Reference Manual00809-0100-4697, Rev GASection 2: InstallationNovember 2014Installation

Reference Manual 00809-0100-4697, Rev GASection 3: ConfigurationNovember 201419ConfigurationSection 3 ConfigurationSafety messages . . . . . . . . .

20Reference Manual00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014Configuration3.2 Configuration3.2.1 StandardEach FOUNDATION™ fieldbus co

21Reference Manual 00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014Configuration3.2.5 AlarmsUse the following steps to configure the alarm

Reference Manual 00809-0100-4697, Rev GATitle PageNovember 2014iRosemount 848T High Density Temperature Transmitter with FOUNDATION™ fieldbusRead this

22Reference Manual00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014Configuration3.2.8 Configure measurement validationUse the following ste

23Reference Manual 00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014ConfigurationTypical profiling applicationExample: Distillation column

24Reference Manual00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014Configuration6. Set OUT_SCALE (MAI output scaling) to the appropriate up

25Reference Manual 00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014Configuration3.3.1 Interfacing analog transmitters to FOUNDATION fieldb

26Reference Manual00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014Configuration07 RS_STATE State of the function block application state m

27Reference Manual 00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014Configuration32 LIM_NOTIFY Maximum number of unconfirmed alert notify m

28Reference Manual00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014Configuration55 FD_FAIL_ALM Used primarily to broadcast a change in the

29Reference Manual 00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014Configuration82 FAILED_ENABLE Enabled FAILED_ALM alarm conditions. Corr

30Reference Manual00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014ConfigurationBlock errorsThe table below lists conditions reported in th

31Reference Manual 00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014ConfigurationTable 3-4. Alarm Priority LevelsStatus handlingThere are

iiReference Manual00809-0100-4697, Rev GATitle PageNovember 2014

32Reference Manual00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014Configuration3.4.3 PlantWeb alertsThe alerts and recommended actions sho

33Reference Manual 00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014ConfigurationFAILED_PRIDesignates the alerting priority of the FAILED_A

34Reference Manual00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014ConfigurationMAINT_ACTIVEThe MAINT_ACTIVE parameter displays which of th

35Reference Manual 00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014Configuration3.4.4 Recommended actions for PlantWeb alertsRECOMMENDED_A

36Reference Manual00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014ConfigurationNoteIf status is set up to flag failure/warning you will se

37Reference Manual 00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014ConfigurationFD_FAILED_MASKFD_FAIL_MASK parameter will mask any of the

38Reference Manual00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014ConfigurationFD_ OFFSPEC _MASKThe FD_OFFSPEC_MASK parameter will mask an

39Reference Manual 00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014ConfigurationFD_MAINT_PRIFD_MAINT_PRI designates the alarming priority

40Reference Manual00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014Configuration3.4.6 Recommended actions for field diagnostics alertsRECOM

41Reference Manual 00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014Configuration3.4.7 Transducer blocksThe transducer block allows the use

iiiReference Manual 00809-0100-4697, Rev GAContentsNovember 2014Contents 1Section 1: Introduction1.1 Safety messages. . . . . . . . . . . . . . . . .

42Reference Manual00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014ConfigurationFigure 3-1. Transducer Block Data FlowTransducer block erro

43Reference Manual 00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014ConfigurationAutomatic (Auto) The block outputs reflect the analog inpu

44Reference Manual00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014Configuration11 XD_ERROR Provides additional error codes related to tran

45Reference Manual 00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014Configuration30 SENSOR_CAL Parameter structure to allow for calibration

46Reference Manual00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014ConfigurationChanging the sensor configuration in the transducer blockIf

47Reference Manual 00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014Configuration3.4.8 Transducer block sub-parameter tablesTable 3-16. XD

48Reference Manual00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014ConfigurationTable 3-18. SENSOR_STATUS Sub-parameter StructureTable 3-1

49Reference Manual 00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014ConfigurationTable 3-21. Transducer Status Sub-parameter StructureTabl

50Reference Manual00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014ConfigurationTable 3-24. Validation Value Sub-parameter StructureTable

51Reference Manual 00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014ConfigurationSensor calibration in the sensor transducer blockIf the FO

ivReference Manual00809-0100-4697, Rev GAContentsNovember 2014Contents3.3 Common configurations for high density applications. . . . . . . . . . . . .

52Reference Manual00809-0100-4697, Rev GASection 3: ConfigurationNovember 2014Configuration

Reference Manual 00809-0100-4697, Rev GASection 4: Operation and MaintenanceNovember 201453Operation and MaintenanceSection 4 Operation and Maintenan

54Reference Manual00809-0100-4697, Rev GASection 4: Operation and MaintenanceNovember 2014Operation and MaintenanceTable 4-1. Block Diagram for the R

55Reference Manual 00809-0100-4697, Rev GASection 4: Operation and MaintenanceNovember 2014Operation and Maintenance4.3.3 Resetting the configuration

56Reference Manual00809-0100-4697, Rev GASection 4: Operation and MaintenanceNovember 2014Operation and Maintenance4.4.2 Resource block4.4.3 Transduce

Reference Manual 00809-0100-4697, Rev GAAppendix A: Reference DataNovember 201457Reference DataAppendix A Reference DataFunctional specifications . .

58Reference Manual00809-0100-4697, Rev GAAppendix A: Reference DataNovember 2014Reference DataA.1.8 Update timeApproximately 1.5 seconds to read all 8

59Reference Manual 00809-0100-4697, Rev GAAppendix A: Reference DataNovember 2014Reference DataMaterials of construction for optional junction boxWeig

60Reference Manual00809-0100-4697, Rev GAAppendix A: Reference DataNovember 2014Reference DataA.4 Performance specificationsA.4.1 Stability  ±0.1% of

61Reference Manual 00809-0100-4697, Rev GAAppendix A: Reference DataNovember 2014Reference DataA.4.6 Differential configuration notesDifferential capa

vReference Manual 00809-0100-4697, Rev GAContentsNovember 2014ContentsA.1.11Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

62Reference Manual00809-0100-4697, Rev GAAppendix A: Reference DataNovember 2014Reference DataTable A-2. Analog SensorsA.4.9 Ambient temperature effe

63Reference Manual 00809-0100-4697, Rev GAAppendix A: Reference DataNovember 2014Reference DataA.4.11 Ambient temperature notesExamples When using a P

64Reference Manual00809-0100-4697, Rev GAAppendix A: Reference DataNovember 2014Reference DataA.5 Dimensional drawingsJunction boxes with no entries (

65Reference Manual 00809-0100-4697, Rev GAAppendix A: Reference DataNovember 2014Reference DataStainless-Steel Junction Box—Cable Gland (Option Code J

66Reference Manual00809-0100-4697, Rev GAAppendix A: Reference DataNovember 2014Reference DataA.5.1 Mounting optionsStainless-Steel Junction Box—Condu

67Reference Manual 00809-0100-4697, Rev GAAppendix A: Reference DataNovember 2014Reference DataA.6 Ordering informationTable A-3. Rosemount 848T FOUN

68Reference Manual00809-0100-4697, Rev GAAppendix A: Reference DataNovember 2014Reference DataJP3 Plastic Box, Conduit Entries (5 Plugged Holes, suita

Reference Manual 00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 201469Product CertificatesAppendix B Product CertificatesEuropean D

70Reference Manual00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product CertificatesIE FM FISCOCertificate: 3011568Standards:

71Reference Manual 00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product CertificatesI6 CSA Intrinsically Safe and Division 2C

viReference Manual00809-0100-4697, Rev GAContentsNovember 2014ContentsC.4.2 Alerts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

72Reference Manual00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product CertificatesIA ATEX FISCO Intrinsic SafetyCertificate:

73Reference Manual 00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product CertificatesSpecial Conditions for Safe Use (X):1. Th

74Reference Manual00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product CertificatesSpecial Conditions of Safe Use (X):1. The

75Reference Manual 00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product CertificatesSpecial Conditions of Safe Use:1. The com

76Reference Manual00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product CertificatesSpecial Conditions of Safe Use:1. The equi

77Reference Manual 00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product Certificates2. This apparatus is not capable of withs

78Reference Manual00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product CertificatesGB3836.16-2006 “Electrical apparatus for e

79Reference Manual 00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product CertificatesB.6 CombinationsKG Combination of I1/IA,

80Reference Manual00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product CertificatesThread adapter thread sizes:B.8 Additional

81Reference Manual 00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product CertificatesB.9 Intrinsically Safe and Non-Incendive

Reference Manual 00809-0100-4697, Rev GASection 1: IntroductionNovember 20141IntroductionSection 1 Introduction1.1 Safety messagesInstructions and pro

82Reference Manual00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product CertificatesB.10 Installation drawingsThe installation

83Reference Manual 00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product CertificatesFigure B-1. FM Intrinsic Safety/ FISCO

84Reference Manual00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product Certificates

85Reference Manual 00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product Certificates

86Reference Manual00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product CertificatesFigure B-2. CSA Intrinsic Safety/ FISCO El

87Reference Manual 00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product Certificates

88Reference Manual00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product Certificates

89Reference Manual 00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product Certificates

90Reference Manual00809-0100-4697, Rev GAAppendix B: Product CertificationsNovember 2014Product Certificates

Reference Manual 00809-0100-4697, Rev GAAppendix C: FOUNDATION Fieldbus TechnologyNovember 201489FOUNDATION Fieldbus TechnologyAppendix C FOUNDATION™