hart principle & application

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Topic

HART Multiplexer&

Application

HART Multiplexer

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What is HART HART Multiplexer

Highway Addressable Remote Transducer

HART is the acronym for

HART is a fully open and de-factocommunication protocol for process industriesAlmost 75%+ field transmitters are HART capable

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Communication Modes HART Multiplexer

HART is a MASTER-SLAVE Communication Protocol

SLAVE device communication isinitiated by MASTER device

SLAVE can be a Field Device andMASTER can be a DCS/PLC/PC/HHT

2 MASTERS is allow in the HART loop

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Communication Modes HART Multiplexer

HART also allow Burst Mode communication

Burst Mode allow faster communication(3-4 data update per second)

SLAVE continuously send reply messageuntil MASTER instruct SLAVE to stopbursting

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HART Physical Layer HART Multiplexer

HART communication protocoluse BELL 202 telephonecommunication standardBELL 202 is a FSK technology

Super-impose sine wave on conventional4/20 mA signal

LOGIC 1 1,200 HzLOGIC 0 2,200 Hz

Communicationspeed (baud rate)= 1.2 kbps(1,200 baud)

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-0,5 mA

+0,5 mA

TimeFSK 1,200 Hz 2,200 HzLOGIC “0”“1”

4/20 mADC current

1/1,200 sec

HART uses Frequency Shift Keying to encodedigital information on top of the 4/20 mA analog signal

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-0,5 mA

+0,5 mA

Time

4/20 mADC current

1/1,200 sec

AB

The current modulation for “A” is positive cycleand “B” is negative cycle. The resultant current or average current is zero. This meaning the FSK current modulation will not disturb the 4/20 mA DC current.

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HART Load Requirement HART Multiplexer

HART protocol has a min. sensitivity of 200 mV p-p.This also means that for 1 mA p-p (+0.5 mA to –0.5 mA) FSK current modulation, min. load is 200 according to Ohm’s Law.

HART specified load requirement for the loop

230 … 1,100

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HART Network: HART Multiplexer

HART Multiplexer

AI device PLC/DCS

orAO device

HART Multiplexermax. 7,905 channelsfor 1 PC

PC running maintenance software

KFD2-HMM-16ON

13 14 1519 20 2116 17 18

ON

OptionalIS barrier

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HART Commands HART Multiplexer

HART Commands

Universal Common Practice Device-Specific

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HART Benefits HART Multiplexer

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HART Product Overview HART Multiplexer

P+F HART Multiplexer Oil & Gas

Petrochemical

Pharmaceutical

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P+F HART Multiplexer

Max. baud rate at RS-485 com line: 38.4 kbps

Master-slave design for cost effectiveness

Max. 7,905 channels for 1 PC(255x31=7,905 channel)

Stand alone or retrofit using FI- interfaceboard solution

Customized solution using motherboardwith IS barrier

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DIN Rail

KFD0-HMS-16 KFD0-HMS-16

KFD2-EB2

4 AT

789 10 1112 13 14 15

1 23 4 5 6

!

KFD2-HMM-16

ON

13 14 1519 20 21

16 17 18

ON

24 Vdc

14 way ribbon cable

Up to 15 HART Mux Slaves per Master

26 way ribbon cable

HART signals from HART Field device -16 HART field devices per Slave and Master

RS 485 connection Up to 31 HART Mux Masters

RS-232RS 485 Converter

AMSCornerstone

Valve Manager

Master Slave

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16

Ex

Safe Area

or

KFD0

-HM

S-16

SlaveMaster

KFD2

-HM

M-1

6

ON

13

14

1519

20

21

16

17

18

ON

KFD2-STC4-Ex2

PWR

7 8 9 10 111213 14 15

1 23 4 5 6

KFD2-STC4-Ex2

PWR

7 8 9 10 111213 14 15

1 23 4 5 6

KFD2-STC4-Ex2

PWR

7 8 9 10 111213 14 15

1 23 4 5 6

KFD2-STC4-Ex2

PWR

7 8 9 10 111213 14 15

1 23 4 5 6

KFD2-STC4-Ex2

PWR

7 8 9 10 111213 14 15

1 23 4 5 6

KFD2-STC4-Ex2

PWR

7 8 9 10 111213 14 15

1 23 4 5 6

KFD2-STC4-Ex2

PWR

7 8 9 10 111213 14 15

1 23 4 5 6

KFD2-STC4-Ex2

PWR

7 8 9 10 111213 14 15

1 23 4 5 6

Motherboardwith Barriers

Motherboard Solutions:

• single or dual channel barriers

• 4, 8, 12 and 16 barriers/motherboard

• customized system connectors

• redundant power supply

System Connector to DCS/PLC

PC

24 Vdc

Redundant 24 Vdc

Motherboard HART Multiplexer

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Overview of P+F HART Multiplexer

31 HART Multiplexers Master

465 HART Multiplexers Slave

7,905 HART transmitters

PC

HART

Maintenance software supported :‘AMS’, ‘Valve Manager’, ‘Cornerstone’, ‘PACTware’ etc

Legends :-HMM -HART Multiplexer masterHMS -HART Multiplexer slaveHART Tx -HART TransmitterPC -IBM compatible Personal ComputerHART -Highway Addressable Remote Transducer developed by Rosemount in mid 1980’s using FSK ( Frequency-Shift-Keying,

Bell 202 standard ) technology superimposed on conventional 4 - 20 mA signal

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1. One FI-PFH-XXXXXX connector can be connected up to 16 HART transmitters/positioners.

2. One HART Multiplexer Slave KFD0-HMS-16 can be connected to one FI-PFH-XXXXXX connector through 26 way ribbon cable.

3. One HART Multiplexer Master KFD2-HMM-16 can also be connected to one FI-PFH-XXXXXX connector through 26 way ribbon cable.

4. One HART Multiplexer Master KFD2-HMM-16 can be connected to 15 HART Multiplexers Slave KFD0-HMS-16 through 14 way ribbon cable.

5. One HART Multiplexer Master KFD2-HMM-16 with 15 HART Multiplexers Slave KFD0-HMS-16 can be

connected up to 255 HART transmitters. {( 1+15 ) x 16 } -1= 255.

6. Up to 31 HART Multiplexers Master KFD2-HMM-16 can be connected through RS-485 physical layer. Using RS-485/RS-232 converter, it can communicate through Personal Computer.

7. One Personal Computer can communicate to 7,905 HART transmitters/positioners [ {( 1+15 ) x 16 } -1 ] x 31 = 7,905 using 31 HART Multiplexers Master KFD2-HMM-16 and 465 HART Multiplexers Slave KFD0-HMS-16.

8. Three most popular maintenance software supported are, ‘AMS’, ‘Valve Manager’ & ‘Cornerstone’.

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16x HART Tx

16x HART Tx

SMART AIN

26 wayribbon cable

SMART AIN

26 wayribbon cable

PC Serialcom port

RS-232( max. 16 m )

HART

HMM

HMS# 1

# 1

14 way ribbon cable

HMM

HMS# 1

# 0

14 way ribbon cable

2 corecable

RS-485

RS-232

2 corecable

RS-485/RS-232converter

2-wire RS-485 ( max. 1 km )

24Vdc PS 24Vdc PS

Patch Board

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20

ON

13 14 1519 20 21

ON

1 2 3

4 5 6

7 8 910 11 1213 14 15

RS - 232

RS - 485

KFD2-EB2

!

4 AT

24 Vdc

Converter

KFD0-HMS-16

Power Rail Insert

14 wayribbon cable

KFD0-HMS-16

HART ® connector to Patch Board / Flexible Interface Board

DIN Rail

26 way ribbon cable

Up to 15 HART ® Mux Slaves per Master

CornerstonePACTware

AMS

26 way IDC 26 way IDC 26 way IDC

KFD2-HMM-16

16 17 18

P+ F HART Multiplexer System Components

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P+F HART Multiplexer Master type KFD2-HMM-16Communication Baud Rate & Address Setting

KFD2-HMM-16

ON

13 14 1519 20 21

16 17 18

ON

RS485 baud rate setting(3 bits)

RS485 address setting(5 bits)

ON

1 2 3 4 5 6 7 8

9.6 kbps 19.2 kbps

(recommended)

38.4 kbpsON

1 2 3

ON

1 2 3

ON

1 2 3

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8 ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

ON

4 5 6 7 8

Addr 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Addr 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

HART Multiplexer MasterKFD2-HMM-16(.1S)

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P+F HART Multiplexer Slave type KFD0-HMS-16Address Setting

SLAVE ID.

Rotary switch for slave address

HART Multiplexer SlaveKFD0-HMS-16

KFD0-HMS-16

Addr 0 = not usedAddr 1 = 1Addr 2 = 2

Addr 14 = EAddr 15 = F

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Wiring Diagram for P+F HART MultiplexerUsing FI-PFH-NS0137 for Intrinsically Safe Application

Case # 1Wiring for 2-wire HART transmitter

+

-

+

-

Channel 1

Channel 16

16x

Patch BoardAnalog Input modulefrom PLC/DCS

In 1 250 B1A1

C1D1

4-20mA+HART

In 16com

com

250 B16A16

C16D16

4-20mA+HART

16x 16x

14+ 15-

8+7-

1+3-

Supply 24 Vdc

KFD2-STC3-Ex1

4-20mA+HART

14+ 15-

8+7-

1+3-

Supply 24 Vdc

KFD2-STC3-Ex1

4-20mA+HART

Hazardous Area Safe Area

HART Positionereg. Rosemount 3044

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Wiring Diagram for P+F HART MultiplexerUsing FI-PFH-NS0137 for Intrinsically Safe Application

Patch BoardAnalog Output modulefrom PLC/DCS

Out 1++

- 4-20mA+HART

B1A1

C1

D14-20mA+HART

Out 16+Out 16-

Out 1-

+

- 4-20mA+HART

B16

A16

C16

D164-20mA+HART

Channel 1

Channel 16

16x16x 16x

+

-

+

-

11+ 12-

8+7-

1+2-

Supply 24 Vdc

KFD2-SCD-Ex1.LK

11+ 12-

8+7-

1+2-

Supply 24 Vdc

KFD2-SCD-Ex1.LK

HART Positionereg. Fisher DVC 5000

Hazardous Area Safe Area

Case # 2Wiring for HART Positioner

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Wiring Diagram for P+F HART MultiplexerUsing FI-PFH-NS0137 for Non Intrinsically Safe Application

Case # 3Wiring for 2-wire HART transmitter

FI-PFH-NS0137Analog Input modulefrom PLC/DCS

+24 VdcIn 1

250

+

- 4-20mA+HART

A1B1

D1

C14-20mA+HART

+24 VdcIn 16

com

com

250

+

- 4-20mA+HART

A16B16

D16C16

4-20mA+HART

Channel 1

Channel 16

16x

16x16x

26-wayIDC connectorto HART multiplexermaster/slave

126 mm

110

mm

1

16

1

PEPPERL+FUCHSFI-PFH-NS0137

11

AB C

D

1616 16

AB C D

Note:-FI-PFH-NS0137 with de-couplingCapacitor on terminal A1~ A16.

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Case # 4Wiring for HART current source

+

- 4-20mA+HART

+

- 4-20mA+HART

Channel 1

Channel 16

16x

FI-PFH-NS0137Analog Input modulefrom PLC/DCS

In 1 250 B1A1

C1D1

4-20mA+HART

In 16com

com

250 B16A16

C16D16

4-20mA+HART

16x 16x

+

-

+

-

26-wayIDC connectorto HART Multiplexermaster/slave

126 mm

110

mm

1

16

1

16

1 1

16 16


AB C

D


AB C D

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Case # 5Wiring for HART Positioner

FI-PFH-NS0137Analog Output modulefrom PLC/DCS

Out 1++

- 4-20mA+HART

B1A1

C1

D14-20mA+HART

Out 16+Out 16-

Out 1-

+

-4-20mA+HART

B16A16

C16D16

4-20mA+HART

Channel 1

Channel 16

16x16x 16x

+

-

+

-

26-wayIDC connectorto HART Multiplexermaster/slave

126 mm

110

mm

1

16

1

16

1 1

16 16


AB C

D


A B C D

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HART Software HART Multiplexer

Fisher-Rosemount Applied Systems Technology

Pepperl+Fuchs

P+F and ELCON HART Multiplexerare compatible with major software package

supplier

Neles Automation

?Yokogawa

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AMS Display Panel HART Multiplexer

Directory-like HART device list

Table-like detail parameters

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Cornerstone Display Panel HART Multiplexer

HART device list

Detail parameters

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Valve Manager Display Panel

HART Multiplexer

HART device list

Detail parameters

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PRM Display Panel

HART Multiplexer

Detail parameters

HART device list

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hart principle & application

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