Installation Technology
for FOUNDATION"! Fieldbus
PROCESS AUTOMATION
Plant Communication
page 4
with Fieldbus
HOST
Benefit from the future
proof, enabling technology
page 10
Power Supply
Power your field devices
from a wide range of
high-performance supply units
page 16
Fieldbus Distribution and
Segment Protection
Protect your fieldbus from negative
influences of short-circuits
page 6
Power Feed Concepts
Fieldbus Distribution
Tailor your fieldbus topo-
Save on cabling with small
logy exactly to your
distributors close to
application
page 14
the field devices
page 22
Fieldbus Cables
and Cord Sets
Support your signal
Fieldbus Process Interfaces
transmission with
Include your conventional
high-quality cables fit
field devices into the fieldbus
for all environments.
communication
page 20
2
Connecting Fieldbus Power
and Knowledge
page 18
Fieldbus Distribution
intrinsically safe
Combine the optimal explosion
protection with high supply power
page 24
for many field devices
Fieldbus Terminators
Secure your fieldbus
communication
Accessories,
Tools and
Services
page 26
Surge Protection
Protect your fieldbus equipment
against power surges and lightning strikes
page 25
Field Devices
Realize the benefits of modern,
sophisticated instrumentation
3
Process Automation with Fieldbus
Digital communication has almost completely penetrated In general the digital communication throughout
the world of office communication. E-mails are the the factory is depicted as a three-level hierarchy (see
main media of communication, the world wide web is figure).
rapidly becoming the number one information source. In process automation the digital revolution has
When looking into automated production factories, succeeded on the upper levels: The plant management
most of the control and measurement signals are and control is done by computers which communicate
communicated digitally today. easily with the business management and ERP systems
Due to the specific requirements of process automation, at the Factory Level. At the field level, however,
especially in view of continuous production, plant com- there still is dominance of conventional point-to-point
plexity and availability as well as explosion protection, cabling between control units and field devices, using
the acceptance of digital signal communication has the analogous 4-20 mA technology for data and power
been comparably slow. transmission.
The international standard IEC 61158 Fieldbus for use This technology has almost reached its limits in terms
in Industrial Control Systems defines a set of eight of optimization and future development capabilities.
fieldbus protocols out of which the FOUNDATION In order to design an efficient and future proof process
Fieldbus H1 and PROFIBUS PA became rather dominant plant communication one has to look into fieldbus
in the processing industry. These fieldbusses comply technology.
with IEC 61158-2 which defines the physical layer of
these so-called H1 fieldbusses. The main requirements For further information on fieldbus in general please
are transmission of data signals and field device power refer to the documentation offered under
over the same two-wire cable, the flexibility to design www.fieldbus.org and www.fieldconnex.info
various topology structures, interoperability of the
field devices and safety when dealing with hazardous
environments.
Bus Cycle time
< 1000 ms
Bus Cycle time
< 100 ms
Bus Cycle time
< 10 ms
4
Connecting Fieldbus Power
and Knowledge
The Fieldbus is here, it could be put to use.
This was the initial thesis for the very thorough
study FuRIOS which was conducted in 2002 by
major users of process automation technology.
And the resuIt is: fieldbus offers a lot of benefits
over the current technology, such as advanced
diagnosis, less downtime, increased quality,
reduced Process C&I points due to multi-variable
devices.
Together with a sophisticated, comprehensive
installation concept it even allows savings in
the investment costs, quite unusual for such a
technological generation leap.
FieldConnex offers these installation concepts
to optimize the live cycle costs of your plant,
increase the reliability of your Process C&I and
build the base for the process automation techno-
logy of the future.
And you can even save on investment costs!
THE technology to establish
the communication between
fieldbus host and the field
devices throughout the plant.
ONE comprehensive installation
system
MANY solutions to meet all your
requirements
ALL your options for future proof
process automation
Fieldbus communication in general requires the
functionalities shown in the picture on page 2 of this
document. FieldConnex offers several system components
for each function, thus allowing you to design your
fieldbus topology in an optimal way for your specific
application.
However, every plant and environment has its special
requirements. So we have created a set of basic
concepts which will help you to design your optimum
communication topology.
Please note that the realisation of these concepts
depends on the local and national rules and standards!
5
Fieldbus Communication
Topology Concepts
Depending on the level of explosion hazard, FieldConnex
allows to tailor the topology exactly to the requirements
of your specific plant.
The following examples show the basic Power Supply
Concepts, following the general recommendation of
keeping a clear, straight-forward structure with one
trunk per fieldbus segment and connecting the field
devices to this trunk by means of fieldbus distribution
modules. In order to gain the optimum benefit in terms
of plant availability and long-term live cycle costs, each
field device should have its individual connection point
As depicted on page 2 this includes a huge variety of
at the trunk.
Fieldbus Power Supplies, Cables, Terminators, Surge
The FieldConnex system offers all modules necessary to
Protection Modules and Fieldbus Process Interfaces to
design a reliable, efficient fieldbus communication topo-
integrate fieldbus uncapable devices into the fieldbus
logy for all environments, from non explosion hazardous
communication as well as Fieldbus Distribution
areas through Ex-zone 2 / Class I, Div. 2 areas and up
Modules. To meet all the requirements of the specific
to highly hazardous Zone 1 / Class I, Div. 1 applications.
plant the latter, such as Junction Boxes, Segment
Protectors and FieldBarriers, are available in different
housing versions and cable connection methods.
To design the optimum topology for your specific appli-
cation please contact your Pepperl+Fuchs representative,
our experienced project engineers will gladly put their
expertise to your best use.
HOST
General Purpose Topology
Non- Ex Power Supply
Fieldbus Junction Boxes
Fieldbus Trunk
The above picture shows the typical fieldbus topology
for non-hazardous environments. The FieldConnex
system offers several versions of Junction Boxes to
connect the field devices to the trunk, with connection
points from one through eight field devices per box.
Since the reduction of cables offers a major cost saving
possibility the choice of the Junction Box and its
location as close to the field device as possible allows
to minimize the lengths of the drop lines.
6
Field Devices
Field Devices
Field Devices
Field Devices
Field Devices
One possible problem of fieldbus systems is the dan-
ger of a complete communication break-down in case
of faults at one of the connected devices.
To prevent the negative feedback of a short-circuit at
one drop line, FieldConnex features an advanced field-
bus distribution module under the name Segment
Protector. The following picture shows a topology
sample using Segment Protectors.
In such a topology only the faulty spur will be out of
the communication, the remaining segment will keep
on working. Thus it is easy to locate the faulty device
and quickly fix the problem.
HOST
General purpose topology with segment protection
Non- Ex Power Supply
Segment Protectors
Fieldbus
Trunk
Device
Connection
Spurs
For applications in Zone 2 / Class I, Div. 2 FieldConnex
offers the appropriate modules to design the topology
according to the Fieldbus Non-Incendive Concept
FNICO. The following picture shows a sample using
Segment Protectors.
HOST
Topology for Zone 2 / Class I, Div. 2 applications
Non-incendive Power Supply
Non-incendive Segment Protectors
Fieldbus Trunk
non-incendive
Device
Connection
Spurs
non-incendive
Zone 2 /
Class I, Div. 2
7
Field Devices
Field Devices
Field Devices
Field Devices
Field Devices
Field Devices
In explosion hazardous areas Zone 1 / Class I, Div. 1 the
protection method intrinsic safety EEx i allows live
working on the field devices under operating conditions.
FieldConnex offers the appropriate modules to design
the fieldbus topology following the requirements of
either the Fieldbus Intrinsically Safe Concept FISCO or
the Entity Concept. The Picture shows a topology
sample utilizing EEx i Power Supply and Junction Boxes.
Topology for Zone 1 applications
HOST
EEx i Power Supply
Fieldbus Junction Boxes intrinsically safe
Fieldbus Trunk
intrinsically safe
Zone 1 /
Class I,
Div. 1
8
Field Devices
Field Devices
Field Devices
Field Devices
Field Devices
In order to overcome the limitations of intrinsic safety,
Pepperl+Fuchs developed in close cooperation with
major users the advanced FieldBarrier Power Supply
Concept. This concept combines the explosion
protection methods increased safety EEx e and
intrinsic safety EEx i, thus allowing the connection
of as many field devices as possible to the fieldbus
segment while still maintaining the benefits of intrinsic
safety at the devices. Furthermore the trunk and drop
line cables can now be run to the maximum lengths
given in the fieldbus standard. The following pictures
show topology samples with FieldConnex"! FieldBarriers
according to the various definitions of explosion
hazardous areas.
HOST
Fieldbus barrier topology for Zone 1 applications
Non-Ex High Power Supply
FieldBarriers
Fieldbus Trunk
increased
safety EEx e
Field Devices
Zone 1
intrinsically
safe EEx i
Fieldbus barrier topology for Class I, Div. 1 applications
HOST
Non-Ex High Power Supply
Class I, Div. 2
FieldBarriers
Fieldbus Trunk
Div. 2 wiring method
Field Devices
intrinsically
safe EEx i
Class I, Div. 1
9
Field Devices
Field Devices
Field Devices
Field Devices
Field Devices
Field Devices
Power Supply and
Power Conditioner
Benefits Fieldbus Power Supply
High output power
Stabilized output voltage
Galvanic isolation
Benefits Fieldbus Power Conditioner
Optimum reliability and availability
Fieldbus Power Supply
Allows maximum cable lengths
for one fieldbus segment
1 A output current for maximum number
of devices per segment
High efficiency
Minimal heat dissipation
Power Conditioner for four fieldbus segments
with two Power Feed Modules for redundant
power supplies
10
Function
The FieldConnex"! Fieldbus Power Supply and Fieldbus Power Conditioner are designed to supply
FOUNDATION Fieldbus H1 devices with sufficient operating power via the fieldbus network. They couple the
supply power onto the 2-wire fieldbus cable without impairing the digital fieldbus communication signal.
The Fieldbus Power Supply supplies a constant voltage independent of the load and input voltage and is
equipped with a fieldbus terminator on the field side. To facilitate simple installation, the device has removable
terminals and a Power Rail connection, thus eliminating the need for wiring and daisy chaining of power
supply lines.
The Fieldbus Power Conditioner delivers a supply current of up to 1 A to the connected field devices via the
fieldbus cables. It conditions standard (bulk) power supply for integration with the digital fieldbus signals.
The Power Conditioner incorporates a passive design to power the fieldbus network, resulting in extremely
high reliability. Redundancy for the bulk power supplies is supported.
One or more Power Conditioners can be mounted on the same Power Rail and connected to the bulk power
supply by means of a Power Feed Module. Each Power Conditioner supplies power to one FOUNDATION
Fieldbus Segment. In case of redundant bulk power supplies two Power Feed Modules are used.
Power Conditioners and Power Feed Modules support alarming and indication of power loss, power supply
failure, under-voltage, short-circuit and overload. A collective fault message can be transmitted to the host
system by separate connection.
Furthermore the Power Conditioner comprises a built-in, switchable fieldbus terminator, two LEDs for power
and fault indication as well as removable terminals for easy installation. Due to its passive design the Power
Conditioner operates with high efficiency, thus creating very low heat
dissipation.
Technical Data
Power Supply Power Conditioner
KLD2-STR-1.24.400.IEC KLD2-PC-1.1.IEC
Supply
Rated voltage 20 & 35 V DC 15 & 32 V DC
Rated current 735 mA at 20 V 1.02 A
350 mA at 35 V
Fieldbus connection
Rated voltage 24 & 26 V DC 19 & 31 V DC
Rated current max. 400 mA max. 1 A
Terminating impedance 100 Ohm, integrated 100 Ohm, switchable
Mechanical
Cable connection cross-section 2.5 mm2 2.5 mm2
Housing For cabinet installation on Power Rail
Dimensions (WxLxH) 60 x 115 x 107 mm 20 x 115 x 107 mm
Protection degree IP20 IP 20
For detailed information please refer to the data sheets at www.fieldconnex.info
Power Conditioner for four fieldbus segments
on motherboard with DCS-specific system connectors
11
Power Repeater
Benefits
High output power
Stabilized output voltage
Signal refreshment
Galvanic isolation
Extension of fieldbus network size
Power Repeater for
non-incendive Zone 2 / Class I, Div. 2 applications
Power Repeater for general purpose
applications
Power Repeater for intrinsically safe
fieldbus segments, versions for FISCO
12
or Entity
Function
FieldConnex"! Fieldbus Power Repeaters supply field devices via the communication cables of a FOUNDATION
Fieldbus H1 network and improve the digital communication signals within the system. Power Repeaters deliver
a constant voltage for supplying field devices independent of load and input voltage. They refresh the signal
shape and the level of incoming and outgoing digital communication.
Up to 31 repeaters can be located in the same fieldbus network operated by one host. Each Power Repeater
opens a new fieldbus segment. Depending on the type of Power Repeater and the actual current consumption
of the devices from 1 through 31 field devices can be connected to that fieldbus segment. Furthermore the
Power Repeaters separate the fieldbus segments galvanically from each other or the fieldbus host.
Another application for using Power Repeaters is the extension of the fieldbus network. A fieldbus segment
allows for a maximum possible cable length. Since every Power Repeater opens a new segment the total
possible cable reach is multiplied.
The Power Repeaters have two integrated fieldbus terminators. One is fixed, thus opening a fieldbus segment,
the second one is switchable to allow the connection of either host or fieldbus segment.
Removable terminals and integrated Power Rail connections ensure flexible and easy installation, the latter
eliminating the need to wire and daisy chain the power supply and fieldbus lines.
Power Repeaters are available in four versions. Besides the high-power version for general purpose
applications there are versions for applications in hazardous areas. These differ in the explosion protection
method which is either based on FNICO for Zone 2 / Class I, Div. 2 applications or, for Zone 1 / Class I, Div. 1
applications, on FISCO or the Entity model. All Power Repeaters for hazardous area applications can be
installed in Zone 2 resp. Class I, Division 2 of a hazardous area.
Technical Data
KLD2-PR-1.IEC KLD2-PR-NI1.IEC KLD2-PR-Ex1.IEC1 KLD2-PR-Ex1.IEC
Application General purpose Zone 2 / Class I, Div. 2 Zone 1 / Class I, Div. 1 Zone 1 / Class I, Div. 1
Explosion Protection Method none Non-incendive Intrinsically safe Intrinsically safe
acc. to FISCO acc. to FISCO acc.to FISCO and Entity
Supply
Rated voltage 20 & 35 V DC 20 & 35 V DC 20 & 35 V DC 20 & 35 V DC
Rated current 760 mA at 20 V 260 mA at 20 V 410 mA at 20 V 310 mA at 20 V
380 mA at 35 V 130 mA at 35 V 170 mA at 35 V 125 mA at 35 V
Fieldbus connection
Field-side
Rated voltage 24 & 26 V DC 12.3 & 13.1 V DC 12.8 & 13.4 V DC 10.6 & 10.9 V DC
Rated current max. 400 mA max. 215 mA max. 100 mA max. 70 mA
Terminating impedance 100 Ohm, fixed 100 Ohm, fixed 100 Ohm, fixed 100 Ohm, fixed
Host-side
Terminating impedance 100 Ohm, switchable 100 Ohm, switchable 100 Ohm, switchable 100 Ohm, switchable
Mechanical
Cable connection cross-section 2.5 mm2 2.5 mm2 2.5 mm2 2.5 mm2
Housing For cabinet installation on Power Rail
Dimensions (WxLxH) 80 x 115 x 107 mm 80 x 115 x 107 mm 100 x 115 x 107 mm 100 x 115 x 107 mm
Protection degree IP20 IP20 IP20 IP20
For detailed information please refer to the data sheets at www.fieldconnex.info
13
Junction Box and
Segment Protector
Benefits
Easy connection of devices to the fieldbus segment
Topologies can be designed exactly to the plant s
requirements
Sturdy housings for harsh environments
Versions for all hazardous areas
Several cable connection options
Various numbers of spur connections allow mini-
mization of installed cables
A choice of shielding concepts can be implemented
Increased plant reliability due to short circuit and
overload protection
Quick and efficient fault localisation and rectification
Junction Box 1-spur with
connectors M12x1
Junction Box 2-spur with
cable glands
Junction Box 1-spur, intrinsically safe,
with terminals and cable glands
14
Fieldbus Distribution
The recommended communication topologies for FOUNDATION Fieldbus H1 are clear, easy-to-manage tree or
chicken-foot structures. Each field device should have its own connection spur to the trunk of the fieldbus
segment. Thus a faulty device can easily be located and the disconnection of a device does not have any
influence on the communication of the remaining devices.
FieldConnex"! Fieldbus Distributors are available in a huge variety of housing and cable connection types.
In conjunction with various numbers of connection points per distributor this allows the flexible planning of
the topology exactly to the requirements of the respective plant. The distributors allow the implementation of
several shielding and grounding concepts.
Junction Boxes
FieldConnex"! Junction Boxes are available for applications in hazardous areas and for general purpose
applications. The latter feature an integrated, switchable fieldbus terminator. Besides the connections for
looping-through of the trunk they offer connection points for 1 through 8 spurs. Various types of screening
can be employed.
Junction Box 6-spur, trunk cable glands,
spurs connectors M12x1
15
Junction Box and
Segment Protector
Segment Protector 4-spur,
stainless steel housing
Segment Protector 8-spur, connectors 7/8
Segment Protector
DIN Rail version
16
Segment Protectors
FieldConnex"! Segment Protectors offer, on top of the functionalities of Junction Boxes, short circuit current
limitation and overload protection for each spur. This ensures that a fault at any spur does not have any nega-
tive feedback on the remaining segment. The unaffected devices continue communicating and the faulty spur
can easily be located. The short circuit is indicated by LED, and after rectification of the problem the Segment
Protector resets automatically so the spur resumes operation as normal.
For chicken-foot topologies Segment Protectors are available with connection points for up to twelve spurs,
too.
Technical Data
Junction boxes Segment Protectors
Available housing types F2 F3 F4 F6 R F2 F6 R
details see mechanical data
Number of outputs 4, 6, 8 2 1 4, 6, 8 8 4, 6, 8 4, 6, 8 8, 12
Application, explosion protection
general purpose, none x x x x x
Non-incendive for
Zone 2 / Class I Div. 2, Ex nA[L] x x x
For flameproof Ex d devices,
Zone 1 / Class I Div. 2, Ex me x
Intrinsically safe,
Zone 1 / Class I, Div. 1, Ex i x x x x x
Electrical data
Supply, trunk
Rated voltage max. 35 V DC max. 35 V DC
Rated current max. 4.5 A max. 4.5 A
Rated current Ex i versions max. 3 A n.a.
Outputs
Rated voltage max. 35 V DC max. 35 V DC
Rated current max. 4.5 A max. 40 mA
Rated current Ex i versions max. 3 A n.a.
Short circuit current n.a. max. 45 mA
Mechanical data
Housing types F2 F3 F4 F6 R
Material field mountable aluminium housing field mountable Housing for cabinet
stainless steel installation on DIN rail
housing
Protection degree IP67 IP66 IP20
Dimensions (WxLxH) 258 x 160 x 84 mm 175 x 102 x 58 mm 125 x 97 x 58 mm 320 x 220 x 86 mm 217 x 100 x 74 mm
Cable connections
Terminals 2.5 mm2
cross-section x x x x x
Cable glands (*) x x x x
Plug connectors (**) x x x x
For detailed information please refer to the data sheets and the electronic configuration tool at www.fieldconnex.info
(*) cable gland materials: plastic, nickel plated brass, stainless steel, also available in nickel plated brass for armored cables
(**) plug connectors M12x1 or 7/8 , each available in nickel plated brass or stainless steel
17
FieldBarrier
Benefits
Allows the maximum number of fieldbus devices
per segment even in hazardous areas
Combines three essential fieldbus topology
functions in one unit
Distributes the fieldbus trunk for easy connection
of field devices
Connects intrinsically safe fieldbus devices to
non-Ex Power Supplies
Protects fieldbus segments against influences
FieldBarrier with cable glands
from short circuits
Installation in Zone 1 / Class I, Div. 2, close to
the devices, saves on cabling
No need to use Ex d explosion protection
No external terminators necessary
Huge variety of housing and cable connection
types meet every plant s requirements
System solution three FieldBarriers in
customized stainless steel cabinet
FieldBarrier with stainless steel housing
18
Function
The FieldConnex"! FieldBarrier is a highly sophisticated fieldbus distribution module and combines three
essential physical layer functions:
Distribution of the fieldbus trunk to up to four connection points for field devices
Short circuit limitation for each individual device connection
Use of the comfortable explosion protection method Intrinsic Safety for the field devices.
The FieldBarrier is the central element of the future-proof Fieldbus Barrier Power Supply Concept. It allows to
utilize the benefits of intrinsically safe field devices while doing away with the limitations in terms of supply
power and topology size one typically encounters in hazardous areas.
The power for the field devices is fed into the fieldbus segment by standard fieldbus power supplies without
energy limitation for explosion protection. The trunk cable leading into the hazardous area can be installed in
explosion protection method increased safety Ex e or Div. 2 wiring methods.
Several FieldBarriers can be daisy-chained on the trunk, each one offering four outputs to connect field
devices in explosion protection method intrinsic safety Ex i. This allows to service the field devices without
the need for a hot work permit. Each output provides 40 mA supply current and is in accordance with FISCO
and Entity concept. Up to 120 m of cable can be connected to an output and operated without an individual
fieldbus terminator.
A fault at one output line has no negative influence on the trunk or the other outputs due to the individual
short circuit and overload protection of each output. The fault is indicated by LED, an automatic reset resumes
the normal operation of the output line after the problem is fixed.
The design of the FieldBarrier ensures high reliability and long-term secure operation. To meet the various
requirements of all the different applications, even in harsh environments, the FieldBarrier is available in most
housing variants mentioned with the FieldConnex"! Junction Boxes.
Technical Data
F2D0-FB-Ex4.* F6D0-FB-Ex4.* RD0-FB-Ex4
Housing type (*) field mountable field mountable Housing for
aluminium housing stainless steel housing cabinet installation on DIN rail
Electrical data
Trunk
Rated voltage 16 & 32 V DC 16 & 32 V DC 16 & 32 V DC
Rated current (**) without load: 25 mA at 16 V / 22 mA at 32 V
20 mA load per output : 121 mA at 16 V / 74 mA at 32 V
40 mA load per output : 230 mA at 16 V / 125 mA at 32 V
short circuit on all outputs: 255 mA at 16 V / 135 mA at 32 V
Terminating impedance 100 Ohm, switchable 100 Ohm, switchable 100 Ohm, switchable
Four outputs, each
Rated voltage min. 10 V at 40 mA min. 10 V at 40 mA min. 10 V at 40 mA
Rated current max. 40 mA max. 40 mA max. 40 mA
Short circuit current max. 50 mA max. 50 mA max. 50 mA
Explosion Protection
Trunk connection Increased safety Ex e Increased safety Ex e Increased safety Ex e
Output connections Intrinsic safety Ex ia Intrinsic safety Ex ia Intrinsic safety Ex ia
Function unit Encapsulation Ex me Encapsulation Ex me Encapsulation Ex me
Mechanical data (*)
Cable connections terminals 2.5 mm2 cross-section or plug connectors
Housing (WxLxH) 258 x 160 x 84 mm 320 x 220 x 86 mm 217 x 100 x 74 mm
Protection degree IP 67 IP 66 IP 20
(*) for available housing and cable connection variants please refer to the electronic configuration tool
(**) for detailed calculation please refer to the FieldConnex Segment Checker Software Tool
19
For detailed information please refer to data sheets and downloadable software tools at www.fieldconnex.info
Fieldbus
Process Interfaces
Benefits Valve Coupler
Easy integration of binary input and output signals into the
fieldbus communication
Efficient control of four solenoid valves by means of one fieldbus
address
Valve Coupler for four
Integrated end position control with two limit switches per valve
intrinsically safe solenoid valves
Power supply to valves via the fieldbus cable
Save installation in Zone 1 / Class I, Div. 1 due to intrinsic safety
according to FISCO and Entity
Partial stroke test and other software functions integrated
Lead breakage and short circuit monitoring for each conventional
signal cable
Galvanic isolation between FF H1 segment and valve connections
Benefits Fieldbus-Pneumatic Interface
All the benefits of the FieldConnex"! Valve Coupler,
and even more:
Actuation of heavy-duty pneumatic control valves
by means of fieldbus communication
Up to 32 control valves are fed and controlled by
just one fieldbus cable and one compressed air
supply
Sturdy stainless steel housings for harsh
environments
Fieldbus-Pneumatic Interface
for 12 pneumatic control valves
93_1107_15: Power Conditioner for four
fieldbus segments on motherboard with
DCS-specific system connectors
System solution: Topology with FieldBarrier
and Fieldbus-Pneumatic Interface for 32
control valves in customized stainless steel
cabinet
20
Function
The FieldConnex"! Valve Coupler is designed to connect low-power solenoid valves to a FOUNDATION Fieldbus
H1 segment. Four valves can be controlled by one fieldbus address. The valve coupler translates the digital
fieldbus signal to a binary output signal for actuation of the valve and vice versa integrates the end position
detection from the valve s proximity switches into a fieldbus telegram. The 2:1 wiring method is used for
wiring the end position indicators which enables further savings on cables.
The Valve Coupler can be installed close to the valves in Zone 1 / Class I, Div. 1 of a hazardous area.
The valves themselves can be located in Zone 0 / Class I, Div. 1.
Power is supplied to the Valve Coupler via the fieldbus cable, which is also used for data exchange, all
parameter assignments, alarms and return messages. No additional devices or wiring are needed.
In accordance with the fieldbus philosophy, monitoring and diagnostic measures are included in the field
device. The Valve Coupler automatically monitors the runtime and breakaway time of the valve, conducts
stroke tests in either valve position, records lead breakage or short circuits on the binary signal cables and
generates alarm messages.
Furthermore it enhances the plant availability due to galvanic isolation between the fieldbus segment and
each valve connection point.
The Fieldbus-Pneumatic Interface is a system solution out of the FieldConnex portfolio, combining the Valve
Coupler with solenoid and amplifier valves in one convenient housing. The only required connections on the
supply side are the FOUNDATION Fieldbus H1 and the pressure air line. The connection to the heavy-duty
pneumatic control valves is done quickly and easily by just attaching the pneumatic hoses and binary signal
lines to the pre-fabricated connection points.
The Valve Coupler forms the communication interface, connecting four valves to one fieldbus address. Thus
the number of connectable valves can be increased in steps of four. The Valve Coupler actuates the integrated
solenoid valves, which in turn open or close the pneumatic control valves. 3/2-way and 5/2-way solenoid
valves can be combined as desired.
For larger installations the FieldConnex FieldBarrier can be incorporated into the interface housing,
thus allowing to control a multitude of pneumatic valves via just one fieldbus cable.
Technical Data
Valve coupler FD0-VC-Ex4.FF Fieldbus-Pneumatic Interface
Electrical data
Fieldbus Connection
Rated voltage 9 & 32 V 9 & 32 V
Rated current max. 23 mA Depending on number of Valve Couplers
Binary inputs
Sensor supply voltage 5 V 5 V
Sensor supply current 5 mA 5 mA
Max. cycle time 8 x 12.5 ms 8 x 12.5 ms
Binary outputs
Output voltage 6.4 & 7.9 V
Operating current 1 mA
Explosion Protection Intrinsically safe according to FISCO and Entity Intrinsically safe according to FISCO and Entity
Pneumatical data
Solenoid valve type SAMSOMATIC 3756 / 3964
Switching 3/2-way and 5/2-way combinable
Central compressed air supply max. 6 bar
Mechnical
Housing Field mountable Customizable stainless steel field housing
Dimensions 187 x 150 x 46 mm Depending on housing type
Protection degree IP65 IP66
For detailed information please refer to data sheets and documentation at www.fieldconnex.info
21
Cables and Cord Sets
Benefits Fieldbus cables
Type A fieldbus cable as recommended in the
Fieldbus Foundation application guide
Meets requirements of IEC 61158-2 as well as FISCO
For indoor and outdoor applications
Resistant against sunlight and UV radiation
Fieldbus Cable type A
Armored versions for harsh environments
Available in recommended colors:
orange for Non-IS applications
blue for IS applications
Available as bulk cable on reels in standard lengths
Fieldbus Cable type A with additional armor
Mini Cord Set with 7/8 connector
Benefits Cord Sets
Pre-configured fieldbus type A cables with either
male or female connector on one side and flying
leads on the other side
Sturdy connectors for all environments with
either stainless steel or epoxy coated coupling nuts
Solid termination at the fieldbus distribution module
Enables quick disconnection of field device by
means of connectors
Available in different colors and lengths of
2 m, 5 m or 10 m as versions:
FieldConnex"! Mini Cord Set
(4-pin 7/8" connector)
FieldConnex"! Micro Cord Set
(4-pin M12x1 connector)
22
Function
The FieldConnex"! Fieldbus Cables are designed specifically for use in fieldbus installations according to IEC
61158-2. They feature two 0.8 mm (18 AWG) conductors with a drain wire and overall foil shield. They meet all
requirements of the Fieldbus Foundation Installation Guidelines as well as FISCO and FNICO. Cables, Cord Sets
and Extension cables can be used for indoor and outdoor installations. The sheathing materials are safe
against UV radiation and have low toxic emissions according to fire safety regulations. They are available in all
recommended colors for different applications and explosion protection methods.
Fieldbus bulk cables are available in higher wire gauges, too, to reduce attenuation in extended topologies.
They come on reels in standard lengths for efficient trunk installations as well as hard wiring of spurs on both
field device and fieldbus distribution modules such as Junction Box, Segment Protector or FieldBarrier. For
enhanced safety and harsh environments there are versions with additional armoring.
FieldConnex"! Cord sets will be used for the interconnection of a field device with a connector to a Junction
Box, Segment Protector or FieldBarrier with cable glands. Thus it is easy to quickly disconnect the field device
while the passive communication topology remains solidly terminated. The connector can be either male or
female, all recommended sheathing colors are available.
FieldConnex"! Extension Cables allow a quick and easy installation of the fieldbus topology by reducing the
need for cable terminations. They feature pre-configured male and female connectors, thus guaranteeing fault-
less connections by omitting the danger of wrong wire terminations. Extension Cables are the best choice for
modifications or elongations of existing networks.
For detailed information please refer to documentation and electronic configuration tool at www.fieldconnex.info
Benefits Extension Cables Mini Extension Cable
Pre-configured fieldbus type A cables with male with 7/8 connectors
connector on one side and female on the other side
Sturdy connectors for all environments with either
stainless steel or epoxy coated coupling nuts
Quick and easy installation with no danger of
wrong termination at both fieldbus distribution
module and field device
Enables quick disconnection
of field device
Easy modification and elongation
of exististing installations
Available in different colors and lengthes
of 2 m, 5 m or 10 m as versions:
FieldConnex"! Mini Extension Cable
(4-pin 7/8" connectors)
FieldConnex"! Micro Extension Cable
(4-pin M12x1 connectors)
23
Fieldbus Terminators
Benefits
Secure clear fieldbus communication by avoiding signal
reflections
According to fieldbus standard IEC 61158-2
Intrinsically safe versions according to FISCO and Entity
Versions for explosion protection flameproof Ex d
Field mountable versions in sturdy screw-in housings IP67
Various thread versions to fit in most field devices Fieldbus Terminator for
Versions for cabinet installation on DIN rail cabinet installation on DIN rail
Fieldbus Terminator for Function
field installation in To ensure a clear, safe digital fieldbus communication any signal
sturdy screw-in housing reflections in the fielbus lines have to be avoided. Therefore each fieldbus
segment requires specific terminating impedances at the opposing ends.
With the FieldConnex"! System the appropriate fieldbus terminators are
integrated in the power supply modules. At the field side the termination
can be switched on at most of the FieldConnex"! modules. In cases where
external terminators are required FieldConnex"! offers a variety of termina-
tors either for cabinet installation on DIN rail or in sturdy housings for
installation in hazardous environments. The latter are available for
different explosion protection methods and with various threads for
installation at the field device.
Technical Data
KMD0-FT-Ex F*-FT-I F*-FT-D
Explosion protection Intrinsically safe Ex i Intrinsically safe Ex i Flameproof Ex d
Housing type For cabinet installation on DIN Rail Screw-in housing for field installation
Electrical
Rated voltage max. 32 V DC max. 32 V DC max. 32 V DC
Mechanical
Connections Terminal 2.5 mm2 Cables 0.75 mm2 Cables 0.75 mm2
Housing (WxLxH) 20 x 93 x 65 mm 23 x 75 x 23 mm 23 x 75 x 23 mm
Protection degree IP20 IP67 IP67
Thread versions n.a. FS: ISO M20 x 1.5 FS: ISO M20 x 1.5
FP: PG 13.5 FP: PG 13.5
FN: 1/2" NPT FN: 1/2" NPT
For detailed information please refer to data sheets at www.fieldconnex.info
24
Surge Protectors
Modular Surge Protector,
complete unit for cabinet installation
Benefits
Protects fieldbus host system and instruments against
voltage surges and spikes
Versions for general purpose applications as well as
intrinsically safe according to FISCO and Entity
Sturdy field mountable versions for Ex d field devices
DIN rail versions can serve as marshalling terminal
Modular DIN rail system with base and protection
modules separately for easy exchange and testing
Surge Protector for
Can be used for 4& 20 mA signal loops with HART, too field installation in
sturdy screw-in housing
Modular Surge Protector,
base module for DIN rail mounting
Function
FieldConnex"! Surge Protection Devices protect fieldbus devices safely from damages caused by voltage surges
and lightning strikes. They allow the coordinated use in the EMC-orientated Lightning Protection Zones Concept in
accordance with IEC 61312-1.
The modular Surge Protectors consist of various base and protection modules. The base modules are designed
for cabinet installation on DIN rail and hold the removable protection module. Removal of the latter interrupts the
signal transmission or leaves it unimpaired, depending on the base module version.
FieldConnex"! Surge Protectors are also available in sturdy screw-in housings for installation at the field devices
in harsh environments, either in explosion protection method Ex i or Ex d.
Technical Data
DP-LBF-* DP-LBF-I* F*-LBF-I* F*-LBF-D*
Explosion protection None Intrinsically safe Ex i Intrinsically safe Ex i Flameproof Ex d
Housing type For cabinet installation on DIN Rail Screw-in housing for field installation
Electrical
Rated Voltage 34.8 V 34.8 V 32 V 32 V
Rated Current 1 A 500 mA 550 mA 550 mA
Max. Surge Current 20 kA 20 kA 20 kA 20 kA
Voltage protection level at max. rated current 60 V 60 V 60 V 60 V
Mechanical
Connections Terminal 2.5 mm2 Terminal 2.5 mm2 Cables 1.0 mm2 Cables 1.0 mm2
Housing (WxLxH) 12 x 90 x 58 mm 12 x 90 x 58 mm 23 x 75 x 23 mm 23 x 75 x 23 mm
Protection degree IP20 IP20 IP67 IP67
Thread versions n.a. n.a. FS: ISO M20 x 1.5 FS: ISO M20 x 1.5
FP: PG 13.5 FP: PG 13.5
FN: 1/2" NPT FN: 1/2" NPT
25
For detailed information please refer to data sheets at www.fieldconnex.info
Accessories, Tools
and Services
Segment Checker
topology design tool
Power Rail with
two Power Feed Modules
FieldConnex"! Fieldbus Installation
technology forms the basis for efficient
and safe fieldbus communication in a
multitude of environments and
applications in the processing industry.
In order to support the design of
appropriate fieldbus topologies for
all specific requirements Pepperl+Fuchs
offers a variety of convenient
accessories, tools and services:
Installation materials and power connection modules as shown in the table page 27
The Segment Checker software tool allows the easy design of fieldbus topologies based on the
Fieldbus Barrier Concept, following the recommendations of the FuRIOS Enduser Study
The Fieldbus Distributors Configuration software tool helps to find the appropriate housing and
cable connection variant of either Junction Box, Segment Protector or FieldBarrier
All necessary integration software such as DD and CF files are available for download in the latest versions
The FieldConnex"! Installation and Wiring Guide gives a comprehensive introduction into fieldbus topology
design with a lot of helpful hints. It is available as free download in Adobe pdf format.
Manuals and installation instructions of all FieldConnex"! System Modules are available in pdf format, too
Application reports and publications on latest developments and experiences in the fast-moving field of
fieldbus technology offer state-of-the-art knowledge
The Pepperl+Fuchs Project Team offers extensive experience in fieldbus projects management and
custom designs of FieldConnex"! applications and system solutions
The Pepperl+Fuchs Support Team is on stand-by to answer any questions on design, commissioning and
operation of fieldbus applications
26
Accessories
Module Designation Description Picture
Power Rail PR-03 Insert module with snap lock for
DIN Rail according to DIN EN 50022,
standard length 500 mm.
Power Rail UPR-03 Universal Power Rail with DIN rail and cover,
standard length 2000 mm.
Power Feed Module KFD2-EB2.B Provides power to the Power Rail with
24 V DC at a maximum current of 4 A.
Error message signal can be transmitted
on the Power Rail.
Power Feed Module KFD2-EB-D2A.B Provides power to the Power Rail redundantly
from two power supplies with 24 V DC at a
maximum current of 2 A,
integrated decoupling diodes, with error
message signal on the Power Rail.
Power Feed Module KFD2-EB-R2A.B Provides power to the Power Rail with
24 V DC at a maximum current of 2 A.
To setup a redundant system,
a second device can be used. With error
message signal on the Power Rail.
Please don't hesitate to visit www.fieldconnex.info
or contact your local Pepperl+Fuchs representative.
27
www.pepperl-fuchs.com
Worldwide Headquarters
Pepperl+Fuchs GmbH · Königsberger Allee 87
68307 Mannheim · Germany
Tel. +49 621 776-0 · Fax +49 621 776-1000
e-mail: pa-info@de.pepperl-fuchs.com
USA Headquarters
Pepperl+Fuchs Inc. · 1600 Enterprise Parkway
Twinsburg, Ohio 44087 · Cleveland-USA
Tel. +1 330 4253555 · Fax +1 330 4254607
e-mail: sales@us.pepperl-fuchs.com
Asia Pacific Headquarters
Pepperl+Fuchs Pte Ltd. · P+F Building
18 Ayer Rajah Crescent · Singapore 139942
Tel. +65 67799091 · Fax +65 68731637
e-mail: sales@sg.pepperl-fuchs.com
Subject to reasonable modifications due to technical advances " Copyright PEPPERL+FUCHS " Printed in Germany " Part. No. 122325 03/04 00
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