The way forward for HART users. HART communication has been around since the early 1980’s. Its vast presence in the process installations shows that the technology is still fulfilling the need of most applications and requirements of their users. Because of its wide spread over all sorts of industries it feels odd to leave this technology behind, especially for those who have been working with it for so long. Let’s see how disclosure of the field instrumentation can work for us in various situations. Project planning If you are starting from scratch it is easy to implement new technology. Training for the maintenance department is absolutely required from the beginning, as is their involvement in the commissioning to make this successful. If control systems are replaced then another opportunity presents itself namely, adding new technology whilst existing field instrument remains in place. By adding e.g. remote IO systems one can benefit from the features of fieldbus technology, but also build on the familiarity with the existing HART communication. On top of that manufacturers provide converters for HART instrumentation to be connected to PROFIBUS DP as well as PROFIBUS PA directly, allowing to multidrop HART instruments from 4 to 15 instruments per channel depending on the application. Commissioning When starting up the first thing we would like to see is whether all instruments are properly connected to the system. With fieldbus we know where we stand by generating a ‘Live list’ of the installation. At a glance one can see what is failing and fix right away before proceeding. Once everything is ‘Live’, setting parameters or adjusting the configuration is easily done from behind your computer, instead of going into the field every time. Even HART communication can run over the fieldbus cables via our remote I/O system or HART/PROFIBUS converter. Maintenance How much time is spent traveling the plant from the control room or workshop to the field to investigate an alleged problem with an instrument depends on how big the plant is. It is difficult to generalize the costs involved for maintenance, but there is a difference between going into the field with your handheld and your tool bag, cycling for 10 min, climbing to the 3rd floor on a rainy afternoon, or investigating the problem via your Maintenance station located in e.g. the Control Room, while sipping coffee. In short, whatever you are planning there will always be a time to think of HART communication in combination with PROFIBUS DP or PA. How this will suit your interest best depends on the time spend investigating the possibilities. There is no need to leave old technology behind and just focus on new ones. The outlook is without a doubt Industry 4.0 and/or Industrial Internet of Things, but we should not waste our legacy.

1. HART and Profibus
Integration
Walter Stoops
Application Consultant
Pepperl+Fuchs NL

2. Challenge
How do we get access to our legacy and make the most
of it
HART installed base >30 million
What does bring us now and for the future
Process values
Status
Quality
Can we use existing infrastructures
Quality
Commonly used
PB DP >38 million
PB PA >6 million
2

3. Uniformity by NE43
First attempt to put information into the current signal,
hence given some idea on the status of the
measurement
Warning
Even brief dips/overshoots in the standardized current
signal could be wrongly interpreted as a failure signal.
The failure should be present for at least 4 seconds or a
minimum of 2 signal scanning cycles.
3

4. HART features
4
Highway Addressable Remote Transducer
Defined by the Rosemount company, 1987
HART Communication Foundation (HCF), 1993
Over 300 manufacturers in the HART Communication Foundation
www.hartcom.org

5. HART features
5

6. HART features
Towards PLC / DCS
I/O Interface (inputs/outputs)
Auxiliary voltage
Fieldbus communication
Fiber optic connection
Towards Power supply
Phase failure and – sequence
Separate 24 V DC input
Towards Valve
Torque
Position
Running time
Application
Number of starts/hr
Temperature
Vibrations
6
Maintenance Information
Grease
Sealing
Mechanics
Reversing contactors

7. 7
LI PI
LICFI
PAS PAM CMMSCM
MOV
TI
KFD2-HMM-16
ON
13 14 1519 20 2116 17 18
ON
RS485
mA mA
Param.
Status
Sec. val
Diagn.
Status
Prim. val
Prim val
Status
Prim. val
Sec. val
Status
Events
Diagn.
Param.
Status
Prim. val
HART features
FI
Prim. val
Sec. val
Status

8. Features
8
FDT/DTM technology
Instrument manufacturers
EDDL technology
DCS companies

9. Enhancement
Highway Addressable Remote
Transducer
Defined by the Rosemount
company, 1987
HART Communication
Foundation (HCF), 1993
Over 300 manufacturers in the
HART Communication
Foundation
www.hartcom.org
PROcess FIeldBUS
Founding of PROFIBUS
International, 1995
PROFIBUS Nutzer Organisation
(PNO), 1989
PROFIBUS PA, 1996
Over 1400 members in
PROFIBUS International
www.PROFIBUS.com
9

10. LI PI
LICFI
PAS PAM CMMSCM
MOV
TI
10
mA mA
Param.
Status
Sec. val
Diagn.
Diagn.
Status
Prim. val
Status
Data
Status
Prim. val
Sec. val
Status
Events
Diagn.
HART opportunities
FI
Prim. val
Sec. val
Status
Remote IO
Prim. val

11. LI
DP
PA
PI
LICFI
PAS PAM CMMSCM
MOV
TI
mA mA
Param.
Status
Sec. val
Diagn.
Diagn.
Status
Data
Status
Data
Status
Data
Status
Events
Diagn.
Data
Status
11
HART opportunities
FI
Data
Status
Data
RIO mix

12. 12
HART opportunities
LI
DP
PA
PI
LICFI
PAS PAM CMMSCM
MOV
TIPrim val
Status
Prim. val
Status
DP
HART
PI
Prim val
Status
Prim val
Status
Prim val
Status
PA
HART
FI
Prim val
Status
Prim. val
Status
Prim. val
Status

13. Monitor your infrastructure
Awareness of applicability
How can you get access
NOT just values
BUT Health, Quality values
How do you disclose this
13

14. Wouldn’t you like to know
14

15. Information stress
15

16. Uniformity by NE 107
16

17. 17
Uniformity by NE 107

18. Uniformity by NE 107
18

19. Advantages
Fast commissioning
Display of values
Warnings with actionable
information
Color coding for easy
recognition
Embedded expert system at
work
Oscilloscope
Reporting
19

20. Do we meet our challenge?
What relevant information is available from a
HART or PROFIBUS device?
What is relevant depends on the application
Operator : Process values and (condensed)
Status
Training, education
Maintenance : Detailed (consistent) diagnostics
and events
Training, education
20

21. Do we meet our challenge?
What can we use to implement HART
instruments with Profibus?
Remote IO
Support of HART transparent channels.
Availability of certified Communication DTM or
Device Driver
If required meeting HART 6 specifications (e.g. 32
characters tag, device status for every HART
values [PV, SV, TV, QV].
PROFIBUS DP/PA Coupler
Hook up some 4 HART instruments to DP or PA
21

22. Do we meet our challenge?
Can we use the existing infrastructure
Very likely, there are instruments to help you find
out
Usually setting up a worst case would give you
enough information (e. g. the longest run)
There modules to help you improve your
impedance
22

23. Do we meet our challenge?
How to monitor the health status of your
HART and PROFIBUS devices?
For the control system it will probably to costly to
implement for each instrument the diagnostics
available
By applying an Intelligent PROFIBUS Access
Point in parallel (bypass) to Process Automation
System which is able to monitor Health Status of
connected HART (pass‐through) and PROFIBUS
devices according to NAMUR NE107
23

24. Outlook
24
€
90 00 10 20
year
20 MB >500 GB
Windows
1.0
Windows
3.**
Windows
95
Windows
XP
Windows
Vista
Windows
ME
ATEX
Windows 7
Windows 8
Windows 10
IIoT
Industry
4.0

25. Conclusion
In-depth information
Easy access
One platform
Uniformity in message layout – NE 107
Up-to-date technology
Better production performance
Controlled maintenance
25

26. No more…….
26