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Temperature Level 200:Temperature Level 200:
TransmittersTransmittersModule 2Module 2
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Capability
V a
l u e
Rosemount Temperature Breadth and DepthRosemount Temperature Breadth and DepthRosemount Temperature Breadth and Depth
‘04
3144PMultivariable
Field mount
Safety Transmitter
34204 H1 Ff
Segments
248Head mount
Rail mount
144Head mountPC-Programmable
648 WirelessFieldmount
644
Head & Rail mount
848T Multi-InputRail mount
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Rosemount 248: Entry Level HART
Transmitter
Rosemount 248: Entry Level HARTRosemount 248: Entry Level HART
Transmitter Transmitter
Form Factor Rail Mount
Head Mount
PC Programmable Customizable parameters
More Advanced Software
Ambient TemperatureCompensation
Reduces measurement error inharsh outdoor applications
Simplified Ordering Sensor and transmitter specifies
in one model number simplifiesspecification and ordering
Increased Flexibility
2 ,3, and 4 wire RTD, T/C,ohm, and mV sensors
HART communication
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Form Factor Form Factor Form Factor Head Mount – 248H
• Can fit into any universal housing
(DIN Form B)
• Many housings available
• Terminals recessed in plastic for
more reliable sensor and
transmitter wire connections
Rail Mount – 248R
• Ideal for high density temperature
measurements• Conforms to DIN Rail Standard
• Popular in the power industry
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Rosemount 248 HousingsRosemount 248 HousingsRosemount 248 Housings
Universal HeadBUZ Head Polypropylene
HeadRosemount
Connection Head
Polished Stainless
Steel (SST) HeadRosemount Connection
Head (SST)
Universal Head (SST)
Option Code:C
Option Code:B
Option Code:S
Option Code:H
Option Code:G
Option Code:A
Option Code:U
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The Rosemount 248 works with a variety of sensor types:
• 2, 3, & 4 wire RTDs
• Thermocouple
• Ohm• Millivolt
The Rosemount 248 supports HART Communication
• Open Protocol: 4-20 mA signal
• Digital HART signal overlaid on 4-20 mA using Frequency Shift Keying
• Integrates with existing transmitter equipment
• Transmitter self diagnostics
• Multiple process variables
• Remote device communication
Increased Flexibility Increased Flexibility Increased Flexibility
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248C PC Programmer 248C PC Programmer 248C PC Programmer PC ProgrammablePC ProgrammablePC Programmable
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Simplified Ordering Simplified Ordering Simplified Ordering
You can order the complete temperatureassembly all in one model number:
248AU2K5ARN076T44U102
Complete Point Solution
– Easy way to bundle sensors
Factory configured and assembled together
Customer procurement made easier to bid 1 vs. 2 products
Head to head on transmitter and sensor competition
Only Rosemount Temperature product to combine sensor andtransmitter model numbers
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What communication protocols does theWhat communication protocols does the
Rosemount 248 come with? Rosemount 248 come with? A) HART and Fieldbus
B) Wireless HART
D) Profibus
C) Analog 4-20 mA and HART
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The Rosemount 248 uses the following sensorThe Rosemount 248 uses the following sensor
inputs: 2,3,4inputs: 2,3,4- - wirewire RTD'sRTD's, thermocouples, and ohm, thermocouples, and ohm
B) False
A) True
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Capability
V a
l u e
Rosemount Temperature Breadth and DepthRosemount Temperature Breadth and DepthRosemount Temperature Breadth and Depth
‘04
3144PMultivariable
Field mount
Safety Transmitter
34204 H1 FfSegments
248Head mount
Rail mount
144Head mountPC-Programmable
648 Wireless
Fieldmount
644Head & Rail mount
848T Multi-InputRail mount
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Rosemount 848T: The First Choice in High
Density Temperature Measurement
Rosemount 848T: The First Choice in HighRosemount 848T: The First Choice in High
Density Temperature Measurement Density Temperature Measurement
Foundation Fieldbus
Up to 128 Inputs per segment
8 AI, MAI, 4 ISEL Function Blocks
Backup Link Active Scheduler
Integrates AnalogInstrumentation
Integrate analogsignals with FF
Easily installed adaptor
Protective Junction Box
Mount close to the process
Minimize sensor wire
2-Wire Bus Powered
Low cost installation
Single network drop
Intrinsically Safe
Intrinsically Safe for Class I,II, III, Division 1 / Zone 0
FISCO Approved
FF Connection to Any host system
Integrated FF I/O
Supported by a fieldbus gateway
8 Individually Configured Inputs T/C, 2 & 3 wire RTD, mv, & ohm
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What is the Rosemount 848T? What is the Rosemount 848T? What is the Rosemount 848T?
Control Room
FOUNDATION
Fieldbus
H1 Card
FOUNDATION
Fieldbus Segment
(2-wire)
FractionationColumn
Distillation
Column
Chemical
Reactor
JunctionBox
848T
848T
848T
8 Input FOUNDATION™ Fieldbus2- wire Temperature Transmitter
Cost Effective Alternative to Wire-Direct, Multiplexers, and Low-CostTransmitters
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Rosemount 848T vs. Alternative ArchitecturesRosemount 848T vs. Alternative ArchitecturesRosemount 848T vs. Alternative Architectures
D
i s t i l l a t i o n
C o l u m n
ToSystem
I/O
1) Wire-direct
D
i s t i l l a t i o n
C o l u m n
ToSystem
I/O
2) Low-Cost ProgrammableTransmitter
D i s t i l l a t i o
n
C o l u m n To
SystemI/O
3) Multiplexer (MUX)
T/CWires
Example Monitoring Architectures for the following application:
- 8 columns / 8 temperature measurements per column
- 500 feet from columns to System I/O
T/C Wires
D i s t i l l a t i o n
C o l u m n
to FFH1
Card
4) 848T
T/CWires
MUX DEMUX
4-20 mA Wires
ProprietaryProtocol Open FF
Protocol
x 8 x 8
x 8 x 8
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Rosemount 848T vs. Alternative
Architectures: Cost
Rosemount 848T vs. AlternativeRosemount 848T vs. Alternative
Architectures: Cost Architectures: Cost
$0
$200
$400
$600
$800
$1,000
$1,200
WireDirect
Low-CostProgrammable
Xmtr
848T8-input
MUXInstallation
65 %Installed
Cost Savings
Type of Installation (Refining Industry)
I n s t a l l e d C o s t P e r P o i n t
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Foundation Fieldbus Capabilities in the
Rosemount 848T
Foundation Fieldbus Capabilities in theFoundation Fieldbus Capabilities in the
Rosemount 848T Rosemount 848T Single Value with Alarming
– 8 Analog Input (AI) Blocks
8 Configurable Values
– 1 Multiple Analog Input (MAI)
Minimum, Maximum, Average,
First Good, Hot Backup
– 4 Input Selectors – Linked to Analog Input Blocks
13 Transducer Block variables available to analog input blocks
– 8 Individual sensor readings
– 4 Differential measurements between any two sensors
– 1 Body temperature
Analog Blocks
(AI and MAI) ToNetwork
FromTransducer
Blocks
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Flexible Input Capability Flexible Input Capability Flexible Input Capability Thermocouples
RTD
– 2 and 3 wire only
Millivolt
Ohm
4-20 mA Signal
• With Analog Input Connector
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Terminals for a HART
communication
Selectable 250 ohms
Integrates Existing Analog
Instrumentation
Integrates Existing AnalogIntegrates Existing Analog
InstrumentationInstrumentation 848T accepts up to eight 4-20mA analog inputs with
Analog Input Connector
– Bring in remote analog signals on Fieldbus
– No need to run dedicated cables to remote devices
Analog value is output onto FOUNDATION Fieldbus
– 4-20mA inputs are scaled to 20-100mV
– High precision 5 ohm resistor creates 4-20mA input
Selectable 250 ohm load for HART communications
Terminals provide easy connection for HARTcommunicator
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Intrinsically SafeIntrinsically SafeIntrinsically Safe
Mount in the field next to hazardous processes
Intrinsically Safe for Class I, II, III, Division 1 / Zone 0
FISCO (Fieldbus Intrinsically Safe Concept) Approved
Ambient Temp. Limits: –40 to +185 °F (-40 to +85 °C)
Mount in Harsh Atmospheric Environments with a Junction Box(NEMA Type 4X and IP66 ratings)
Operates in High Vibration Environments (3 g)
Heavy Industry EMI/RFI Compliance (IEC 61326)
The 848T is suitable for hazardous areasThe 848T is suitable for hazardous areasThe 848T is suitable for hazardous areas
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Protective Junction BoxProtective Junction BoxProtective Junction Box
Junction Box
MaterialsPlastic Aluminum Stainless Steel
Junction Box
Entries
Cable GlandEntries
Stopping Plug for
Conduit Entries
No Housing
Entries
MountingBrackets
Stainless Steel Aluminum & Plastic
The 848T Junction Boxes provide protection and enable diverse mounting.
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The Rosemount 3420 and the 848T The Rosemount 3420 and the 848T The Rosemount 3420 and the 848T The 3420 and the 848T complement each other perfectly.
• Each 3420 Segment can support 13 848T’s.
• 4 Segments X 13 848T X 8 Inputs= 416 Temperature Measurements!
•The 3420 can relay the 848T parameters and
measurements to a customer’s control or monitoring
system without an H1 fieldbus card.
Segment 1
Rosemount3420 FIM
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What is the 3420? What is the 3420? What is the 3420? The 3420 integrates fieldbus devices into a
network.
The 3420 communicates the device parameters
to a customer’s control or monitoring system viaEthernet or Modbus RS 485.
RS 485
12
34
Ethernet
H1
3420FieldbusInterfaceModule
AMS
Webserver OPC
LEGACYCONTROL SYSTEM
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The 3420 Web InterfaceThe 3420 Web InterfaceThe 3420 Web InterfaceProvides a vast set of user tools to utilize a 3420 and it’s devices
A User Can…
• Monitor devicedata
• Configure device
settings
• Diagnose alarms
• Configure network
settings
• View device trends
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Check for KnowledgeCheck for Check for
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What sensor inputs are available with theWhat sensor inputs are available with the
Rosemount 848T? Rosemount 848T?
B) 4 - wire RTD
A) 2, 3- wire RTD
C) Thermocouple
D) Ohm
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What form factors are available with theWhat form factors are available with the
Rosemount 848T? Rosemount 848T?
B) Field Mount
C) Dual CompartmentD) DIN A
A) DIN Rail Mount Multi Input
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Capability
V a
l u e
Rosemount Temperature Breadth and DepthRosemount Temperature Breadth and DepthRosemount Temperature Breadth and Depth
‘04
3144PMultivariableField mount
Safety Transmitter
34204 H1 FfSegments
248Head mount
Rail mount
144Head mountPC-Programmable
648 Wireless
Fieldmount
644Head & Rail mount
848T Multi-InputRail mount
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Rosemount 644: The World’s Best Selling
Temperature Transmitter
Rosemount 644: The World Rosemount 644: The World ’ ’ s Best Sellings Best Selling
Temperature Transmitter Temperature Transmitter
Increased Accuracy Ambient Temperature
Compensation
Transmitter – SensorMatching
Multiple Protocols HART
Fieldbus
Multiple Field Housings Sensor Mount
Remote Mount
Form Factor DIN A Head Mount
Rail Mount
Custom Alarm &Saturation Levels
Increased Safety
C1 Option Code
LCD Snap On
M5 Option
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Form Factor for Diverse Mounting ScenariosForm FactorForm Factor for Diverse Mounting Scenarios1. Captive mounting screws
simplify installation intouniversal head
2. Hole in the middle of transmittereases sensor wiring
• Just feed the sensor wiresthrough the center hole
• No wrapping them around thefront of the transmitter
3. Meter connector makes meterinstallation a snap!
1.
2.
3.
• Ideal for high density temperaturemeasurements.
• Conforms to DIN Rail Standard• Popular in the power industry
* 644R only available in HART *
644H – DIN A 644R
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Multiple HousingsMultiple HousingsMultiple HousingsStainless Steel
Features• Rugged, stainless steel
construction• Smooth contours and laser-
etched markings
• Available with and without M5
meter
Aluminum Alloy
Features• Light weight and durable
construction
• Available with and without M5
meter
Option Codes:S1, S2, S3, S4
Option Codes:J5, J6
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LCD for Convenient DiagnosticsLCDLCD for Convenient Diagnostics
• Snap in 5 digit LCD for 644H only
• Displays the unitso
K,o
C,o
R,o
K, ohms,mV, mA, and percent of span.
• Programmable to alternate betweendisplay options
• Available for both HART and Fieldbuscommunication
LCD Cover
LCD
• Aluminum alloy and glass cover
Option Code:
M5
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Sensor Matching to Improve Measurement
Accuracy
Sensor MatchingSensor Matching to Improve Measurementto Improve Measurement
Accuracy Accuracy
Temperature
R e s i s t a n c e
Standard Sensor Curve
(ASTM, IEC, etc..)
Tolerance
Bands
Tolerance
Bands
Temperature
R e s i s t a n c e
Temperature
R e s i
s t a n c e
Tolerance
Bands
Tolerance
Bands
Temperature
R e s i
s t a n c e
Unique Sensor Curve
1.25°C1.00°C0.50°C
Total system accuracy** Calculated using Root-Summed-Squared (RSS) statistical method
644H With Transmitter-
Sensor Matching
Standard AccuracyWITHOUT Matching 1.061.06 °°CC
0.230.23oo
CC
Option Code:C2
Better Accuracy
by 80%+80%+
Use the TPE Calculator tool in the VSM
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How can the 644 be used to improve a temperatureHow can the 644 be used to improve a temperature
points accuracy? points accuracy?
B) LCD Meter
C) Fieldbus ProtocolD) None of the Above
A) CVD Sensor Matching
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SummarySummarySummary This section has helped you:
– Understand the key features andbenefits of the Rosemount 248, 848T,
644 temperature transmitters