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A B B M E A S U R E M E N T & A N A LY T I C S

Web tension systems

Pressductor PillowBlock load cells
2 W E B T E N S I O N S Y S T E M S P R E S S D U C TO R P I L LO W B LO C K LO A D C E L L S

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Measurement made easy

Web tension systems

Quality tension measurement
for quality tension control
• Accurate
• Rugged
• Reliable
 W E B T E N S I O N S Y S T E M S P R E S S D U C TO R P I L LO W B LO C K LO A D C E L L S 3

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Pressductor PillowBlock load cells
Introduction

ABB’s Pressductor® PillowBlock load cells are Increased process uptime

sensitive and accurate yet rugged, reliable and In a web process running continuously, every
compact. The performace of the Pressductor minute of production time is precious. Even so,
PillowBlock load cells is unsurpassed for paper no production line runs without downtime.
mill applications characterized by heavy rolls, high With Pressductor PillowBlock load cells the risk
speeds and severe conditions – in some instances of web breaks can be reduced to a minimum,
they are the only viable option. They can withstand thus leaving as much time as possible for
high overloads and vibrations, and operate real production.
over a wide range of tensions.
Thanks to a strong and stable signal deriving
The well-proven Pressductor load cells combined from the Pillow-Block load cells, the upcoming
with the tension electronics, offer an easy-to-use/ web breaks are kept to an absolute minimum
user-friendly web tension measurement system level.
with superior long term performance leading
to higher productivity and product quality Tighter product tolerances
and higher profit for the web producer. The ability to produce web to tighter tolerances
minimizes the costs associated with non-
— conforming web. It also increases the web
producer’s accessible market to include products
Reliable tension measurement with tighter tolerance requirements.
• from board to tissue
• from wire to winder
4 W E B T E N S I O N S Y S T E M S P R E S S D U C TO R P I L LO W B LO C K LO A D C E L L S

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Pressductor PillowBlock load cells
50 years of experience

— Minimize maintenance The Pressductor difference

01–02 There is a
PillowBlock load cell Share the experience, of virtually maintenance-free Like ABB’s other load cells based on Pressductor
suitable for most web load cells, with thousands of other PillowBlock Technology, PillowBlock load cells rely on
processing machinery
used in the paper users. A robust load cell design with no fragile electromagnetic changes in the transducer,
processing industries. or ageing components makes this possible. not on physical movement, to sense fluctuations
—
03 Pressductor Thanks to its robust design, the PillowBlock load in web tension. The Pressductor Technology
technology: cells work consistently for many years without operating principle provides exceptional
mechanical force
alters magnetic field. any need for maintenance, also in the toughest improvements in load cell performance
paper mill applications. characteristics, including reliability (notably
absence of drift), durability, repeatability,
Fast access to support and service and wider measurement range.
ABB provides customers with superior distinctive
after sales service that really differentiates from Machined from a solid block of steel, the load cells
the competition. You obtain advanced solutions are rugged and stiff, affording high overload
to problems, service and professional consultation protection as well as an extended measurement
through our After Sales Service program. Expert range above the nominal load. And they do not
engineers with extensive experience of all types contribute to machine vibration, even at high
of Force Measurement products are available speeds.
to assist you through our world-wide network.
Since the transducer action – the magnetic flux
There is a PillowBlock load cell suitable for most – takes place inside a steel core, environmental
web processing machinery used in the paper factors like dirt or fluids can’t degrade
processing industries performance and reliability. These stainless
In the paper industry, the PillowBlock load cells steel load cells don’t require any physical seals.
are ideal in wire, press and dryer sections as well
as in coaters, calenders and winders. Furthermore, low transducer impedance
– less than a couple of ohms – helps eliminate
In the converting industry, the PillowBlock load susceptibility to radio-frequency and
cells have proven their superior performance electromagnetic interference.
in laminator and coater machinery.

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01
 5

—
02

—
01

—
03
6 W E B T E N S I O N S Y S T E M S P R E S S D U C TO R P I L LO W B LO C K LO A D C E L L S

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Pressductor PillowBlock load cells
Ideal for paper and converting industry

Designers appreciate: Quality measurement technology for superior

• Remarkably high spring constant tension control that will keep your processing
• Wide measurement range lines productive and producing top-notch output
• High reliability – that’s what you can expect from us. We’re entirely
devoted to providing process measurement
Operators value a load cell with: systems and services, and we have 60 years of
• No drift experience in the field. We are the experts in web
• No need for recalibration and strip tension as well as force measurement
• No failures for virtually any purpose.
• High reliability
Selecting and sizing load cells
Measurement essentials The two types of ABB PillowBlock load cells are
Keeping the tension constant in web processes is designed for either conventional vertical force
essential for high product quality and productivity. measurement or for sensing the horizontal
Continuously measuring the tension is an obvious force component that may arise as the processed
prerequisite for tension control. Drives and material partially wraps around a measurement
operator instruments need quick and accurate roll.
input to regulate tension levels and monitor
machine performance. Using the horizontal load cells can be quite
advantageous. By design, they can be made
Most web processing lines put a premium exceptionally sturdy, rugged, and stiff.
on long-term reliability, in addition to accuracy So, requirements for recalibration, other
and overall performance. The measurement maintenance, or replacement are negligible,
system, after all, is the front line of machine and they do not contribute to machine vibration.
control, exposed to all the rigors of the operating Since they don’t measure the tare weight, but just
environment. The costs associated with down- the horizontal force component of the web tension,
time and poor product bring out the true value they can be sized smaller than otherwise possible,
of its components. measuring tension with greater accuracy.

—
01
 W E B T E N S I O N S Y S T E M S P R E S S D U C TO R P I L LO W B LO C K LO A D C E L L S 7

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Extended-range operation
An extended range of measurement beyond the nominal load allows
the PillowBlock to be sized for normal, as opposed to maximum tension
levels. As a result, they permit greater application flexibility on the
processing machinery.

Specifying the load cell

Application requirements may dictate the selection
Since load cells are typically used at both ends
of a vertical load cell. But whenever an adequate
of a roll, rating the individual cell is usually based
horizontal force component is present (or can be
on half of the resultant force. The ideal load cell
developed), the horizontal load cell should be
size is usually the smallest nominal capacity rating
considered.
accommodating that force level, so long as the force
exceeds 10 % of the nominal load. Before choosing
The size, or nominal load, of a load cell is contingent
a larger size, however, consider using the extended
on the anticipated force it will measure. When a
range feature of ABB load cells. And always verify
vertical load cell is mounted horizontally (the most
that overload specifications will not be exceeded
common arrangement), the measurement force
in either direction.
(FR ) is a function of the tension in the web (T),
the deflection angles (α and β), and the tare weight
Application hint
of the roll and bearings (Tare).
Two 10 % application guidelines are useful
in selecting load cell sizes:
The horizontal load cell senses the web tension’s
(T) horizontal component (FR); not the vertical
1. The proportion of web tension that is actually
force (FV ).
sensed by the load cell should be at least 10 %
of total web tension. For operational conditions
In this scenario, the measurement force (FR)
producing values below 10 %, consult ABB.
is a function of only the tension in the web (T)
and the web angles (α and β). Since the tare force
2. During normal operation, the sensed force
(the weight of the deflector roll and bearings)
should not be less than 10 % of the load cell’s
will not be measured, it can be very large
capacity.
compared to the web tension without affecting
the accuracy of the tension measurement.

Vertical measuring load cells Horizontal measuring load cells

FRtot = FR + Tare = T(sinα + sinβ) + Tare FRtot = FR = T(cosβ – cosα)
F Vtot = F V = T(cosβ – cosα) F Vtot = F V + Tare = T(sinβ + sinα) + Tare

FR = Force component of Tension in the measuring direction Vertical force

FRtot = Total force in the measuring direction
FV = Force component of Tension transverse to the measuring
direction
F Vtot = Total force in the transverse direction
T = Tension in web
Horizontal force
Tare = Weight of roll and bearings
α,β = Deflection angles
8 W E B T E N S I O N S Y S T E M S P R E S S D U C TO R P I L LO W B LO C K LO A D C E L L S

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Pressductor PillowBlock load cells
PFTL 101 Horizontal force measurement,
0.5 to 20 kN

Application hint PFTL 101A M12 50

• Horizontally measuring load cells are ideal in (1.97)

M12
applications with high tare loads and relatively 50

125 (4.92)
(1.97)

small tensions, such as paper machines.

(0.75)
19
125 (4.92)
• In applications where high overloads can occur

(0.75)
19
in any direction, the high overload tolerance 170 (6.69)
M16 78 16.5
18 (3.07) (0.65)
in all directions of ABB’s horizontal PillowBlock (0.71) 230 (9.06)
84
170 (6.69)
M16
M16 78(3.31) 16.5
70
load cell adds reliability. 18
(0.71) 230 (9.06)
(3.07)
(2.76)
(0.65)

PFTL 101B M16 84 (3.31)

• If no horizontal resultant force is present, 70
(2.76)

mounting the load cell on a slant will give rise

125 (4.92)

(10.69)
(10.69) 17.5
to one.

125 (4.92)

17.5
ABB PillowBlock horizontal load cells are ideal in 260 (10.24) 98
20
(0.79)
18 M20 (3.86)
applications characterized by low tension levels, (0.71) 360 (14.17)
260 (10.24)
104
98(4.09)
20
(0.79)
18 M20 (3.86)
heavy rolls and high operating speeds – a scenario (0.71) 360 (14.17)
104 (4.09)

often encountered in the paper industry. Dimensions in mm (in.)

Using the horizontal force component to measure The PillowBlock comes in three versions:
web tension can be highly advantageous. The load The standard version, PFTL 101A/B, is often used
cell can be sized to measure just the web tension, for accurate measurement in the paper industry,
excluding the tare weight of the roll, which, on a big for instance paper machines, calenders, coaters
paper machine, for example, can be far greater and winders. Load cells are designed for demand-
than the tension in the web. The result is optimized ing applications with, for instance, heavy rolls,
measurement accuracy. wide tension range and high speed.

Solid stainless steel construction combines For web tension measurement in dryer sections
sensitivity and accuracy with exceptional rugged- in paper machines, the mill-duty version, PFTL
ness and high spring constant. The units tolerate 101AE/BE, is recommended. This version has a
overloads up to five times their nominal capacity, fixed connection cable and a degree of protection
and combined with the electronics are designed of IP 66 1 , which provides accurate and reliable
to provide stable output even when subjected measurement with long service life.
to intense vibration.
The acid resistant version, PFTL 101AER/BER,
is designed for the wet end of the paper machines
and has a degree of protection of IP 66/67 1 .

All load cells are delivered standard calibrated.

1
According to IEC 529, EN 60-529
 W E B T E N S I O N S Y S T E M S P R E S S D U C TO R P I L LO W B LO C K LO A D C E L L S 9

Technical data PFTL 101A/AE/AER PFTL 101B/BE/BER

Nominal load (rated capacity) kN 0.5 1.0 2.0 2.0 5.0 10.0 20.0
lb. 112 225 450 450 1125 2250 4500
Permitted load kN 5.0 10.0 10.0 30.0 30.0 30.0 40.0
Transverse direction lb. 1125 2250 2250 6750 6750 6750 9000
Overload capacity 1 kN 2.5 5.0 10.0 10.0 25.0 50.0 80.0
Measurement direction (horizontal) lb. 563 1125 2250 2250 5625 11250 18000
Deflection 2 mm 0.015 0.015 0.015 0.015 0.015 0.015 0.015
1⁄1000 in 0.6 0.6 0.6 0.6 0.6 0.6 0.6
Spring constant kN/mm 32 65 130 130 325 650 1300
1000 lb./in. 183 371 743 743 1857 3715 7430

1
Maximum permitted loads without affecting load cell calibration.
All load cells 2
At nominal load.
Operating principle Electromagnetic 3
Accuracy class is defined as the maximum deviation, and is
expressed as a percentage of the sensitivity at nominal load.
Pressductor technology
This includes linearity deviation, hysteresis and repeatability error.
Accuracy class 3 % 0.5 4
Corrosion resistance properties similar to AISI 430F
Repeatability error % <±0.05
5
According to IEC 529, EN 60-529
6
Corrosion resistance properties similar to AISI 316L
Operating range 30:1 7
Applies for 20 to 80 °C/68 to 176 °F
Standard/Mill-duty version
Stainless steel SIS 2383 4
DIN X4CrNiMo165
Degree of protection IP65 5 (standard version)
IP66 5 (mill-duty version)
Acid resistant version
Stainless steel SIS 2348 6
DIN 17440X2CrNiMo17 13 2
Degree of protection IP67 5
Working temperature range –10 to 105 °C
14 to 221 °F
Zero point drift 7 %/°C <±0.005
%/°F <±0.003
Sensitivity drift 7 %/°C <±0.010
%/°F <±0.006
10 W E B T E N S I O N S Y S T E M S P R E S S D U C TO R P I L LO W B LO C K LO A D C E L L S

Pressductor PillowBlock load cells

PFTL 201 Horizontal force measurement,
10 to 100 kN

ABB’s horizontal Pressductor load cells are PFTL 201C

specifically designed for horizontal force 450 (17.72) 70

(0.98)
(2.76)
measurement. M24 (8x)

25
450 (17.72)
Measuring Direction

70

125 (4.92) 125 (4.92)

(0.98)
(0.98)
(2.76)
M24 (8x)

25
Key advantages:

25
Measuring Direction

• Smaller load cell sizes can be specified since

(0.98)
390 (15.35)

25
11 0
the tare weight won’t be a factor (4.33)
650 (25.59) 85
• Inherently sturdier designs are virtually 390 (15.35)

(1.38)
11(3.35)
PFTL 201D M36 (8x)
0

35
(4.33)
maintenance-free 650 (25.59) 85
Measuring Direction

(1.38)
• No contribution to machine vibration (3.35)

150 (5.91) 150 (5.91)

M36 (8x)

35 35
(1.38)
Measuring Direction

In many web processes, the web tension inherently

(1.38)
570 (22.44)

35
produces a horizontal force component on a roll or 150
(5.91)

by design it can be made to do so. Paper machines 570 (22.44)

150
and machinery processing plastics, foils or textiles Dimensions in mm (in.) (5.91)

are typical examples.

Using this horizontal force component to measure Solid stainless steel construction combines
web tension can be highly advantageous. The load sensitivity and accuracy with exceptional rugged-
cell can be sized to measure just the web tension, ness and high spring constant. The units tolerate
excluding the tare weight of the roll, which, on a overloads up to ten times their nominal capacity,
big paper machine, for example, can be far greater and combined with the electronics are designed
than the tension in the web. The result is optimized to provide stable output even when subjected
measurement accuracy. to intense vibration.

Another advantage is that ABB’s unique horizontal Two versions of the PFTL 201 are available:
load cell – specifically designed to measure this • The standard version PFTL 201C/D equipped
force component – provides stiffness levels and with Cannon connector for the connection cable.
overload tolerances in all force directions that are • The mill-duty version PFTL 201CE/DE with fixed
significantly greater than what can be achieved connection cable in protective hose, best suited
with vertical load cells. for wire and felt tension applications in paper
machines.
 W E B T E N S I O N S Y S T E M S P R E S S D U C TO R P I L LO W B LO C K LO A D C E L L S 11

Technical data PFTL 201C/CE PFTL 201D/DE

Nominal load (rated capacity) kN 10.0 20.0 50.0 50.0 100.0
lb. 2250 4500 11250 11250 22500
Extended load 1 kN 15.0 30.0 75.0 75.0 150.0
lb. 3375 6750 16875 16875 33750
Permitted load
Transverse direction kN 100.0 200.0 250.0 500.0 500.0
(vertical) h=300 mm lb. 22500 45000 112500 112500 225000
Overload capacity 2 kN 100.0 200.0 500.0 500.0 1000.0
Measurement direction (horizontal) lb. 22500 45000 112500 112500 225000
Transverse direction kN 100.0 200.0 250.0 500.0 500.0
(vertical) h=300 mm lb. 22500 45000 56250 112500 112500
Deflection 3 mm 0.010 0.020 0.050 0.025 0.050
1⁄1000 in. 0.4 0.8 2.0 1.0 2.0
Spring constant kN/mm 1000 1000 1000 2000 2000
1000 lb./in. 5720 5720 5720 11440 11440

1
Values indicate the total capacity of the load cells when taking into account their
All load cells permissible ”extended capacity”. In the extended range, above the nominal load,
Operating principle Electromagnetic some decline in measurement accuracy may be experienced.
2
Maximum permitted loads without affecting load cell calibration.
Pressductor Technology 3
At nominal load.
Accuracy class 4 % 0.5 4
Accuracy class i+s defined as the maximum deviation, and is expressed as
Repeatability error % <±0.05 a percentage of the sensitivity at nominal load. This includes linearity deviation,
hysteresis and repeatability error.
Operating range 30:1 5
Corrosion resistance properties similar to AISI 304
Stainless steel SIS 2387 5 6
Applies for 20 to 80 °C/68 to 176 °F

DIN X4CrNiMo165
Working temperature range –10 to 90 °C
14 to 194 °F
Zero point drift 6 %/°C <±0.005
%/°F <±0.003
Hight (h)
Sensitivity drift 6 %/°C <±0.010 from load cell's
bottom surface
%/°F <±0.006 to roll center line
12 W E B T E N S I O N S Y S T E M S P R E S S D U C TO R P I L LO W B LO C K LO A D C E L L S

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Pressductor PillowBlock load cells
PFCL 201 Vertical force measurement,
5 to 50 kN

Application hint PFTL 201C/CD M16 70

For applications that demand vertical force 220

measurement, the standard and mill-duty versions

25
of ABB’s vertical PillowBlock load cells provide

124.6
Measuring
Direction

the best in measurement range and durability.

25
410
110
Extended-range operation 450
M16
An extended range of measurement beyond the
nominal load allows ABB’s PillowBlock load cells PFTL 201CE M16 70
to be sized for normal, as opposed to maximum, 220

D=65
25
tension levels. As a result, they permit greater
application flexibility on the web processing

124.6
machinery.
410

25
110 52
450
These units are designed for web tension M16

measurement in applications where it is essential Dimensions in mm

or advantageous to determine the vertical force

component. As a result, in most applications, the load cells
can safely be specified for the web’s normal tension
Machined from a single block of stainless steel, range, but still will accommodate substantial
they have exceptionally high tolerance for over- peak loads.
loads, shock and impact, in addition to high
immunity to dust and corrosion. In fact, both types of ABB PillowBlock load cells
feature an exceptionally wide measurement range.
The standard construction is of highly resistant
stainless steel with potted internal components. Installation in existing equipment can be simplified
Mill-duty versions are available for exceptionally by use of top and bottom adapter plates, which
hostile environments. They are ideal for the wet can be supplied by ABB.
end of a paper machine.
Two versions of the PFCL 201 are available:
The family of vertical load cells comprises units • The standard version PFCL 201C equipped with
in four operating ranges offering measurement Cannon connector for the connection cable.
capacities from 5 kN (1,125 lb.) to more than 50 kN • PFCL 201CD equipped with a tight cable gland
(11,250 lb.), covering applications with tensions and 20 m TEFLON 1 insulated connection cable.
levels in excess of 1,000 kN (225,000 lb.). • The mill-duty version PFCL 201CE with fixed
connection cable in protective hose, best suited
ABB’s vertical load cells, like their counterparts for wire and felt tension applications in paper
for horizontal measurement, feature an extended machines.
operating load range. Up to 50 % more measure-
ment capacity is available in this range with fully 1
TEFLON is a registered trademark of DuPont

retained performance characteristics, except

some decline in measurement accuracy.
 W E B T E N S I O N S Y S T E M S P R E S S D U C TO R P I L LO W B LO C K LO A D C E L L S 13

Technical data PFCL 201C/CD/CE

Nominal load (rated capacity) kN 5.0 10.0 20.0 50.0
lb. 1125 2250 4500 11250
Extended load 1 kN 7.5 15.0 30.0 75.0
lb. 1688 3375 6750 16875
Permitted load
Transverse direction kN 2.5 5.0 10.0 25.0
(vertical) h=300 mm lb. 563 1125 2250 5625
Overload capacity 2 kN 50.0 100.0 200.0 500.0
Measurement direction (horizontal) lb. 11250 22500 45000 112500
Transverse direction kN 12.5 25.0 50.0 125.0
(vertical) h=300 mm lb. 2815 5625 11250 28125
Deflection 3 mm 0.02 0.02 0.02 0.02
1⁄1000 in. 0.8 0.8 0.8 0.8
Spring constant kN/mm 250 500 1000 2500
1000 lb./in. 1430 2860 5720 14300

1
Values indicate the total capacity of the load cells when taking into account their
All load cells permissible ”extended capacity”. In the extended range, above the nominal load,
Operating principle Electromagnetic some decline in measurement accuracy may be experienced.
2
Maximum permitted loads without affecting load cell calibration.
Pressductor Technology 3
At nominal load.
Accuracy class 4 % 0.5 4
Accuracy class i+s defined as the maximum deviation, and is expressed as
Repeatability error % <±0.05 a percentage of the sensitivity at nominal load. This includes linearity deviation,
hysteresis and repeatability error.
Operating range 30:1 5
Corrosion resistance properties similar to AISI 304
Stainless steel SIS 2387 5 6
Applies for 20 to 80 °C/68 to 176 °F

DIN X4CrNiMo165
Working temperature range –10 to 90 °C
14 to 194 °F
Zero point drift 6 %/°C <±0.005
%/°F <±0.003
Hight (h)
Sensitivity drift 6 %/°C <±0.010 from load cell's
bottom surface
%/°F <±0.006 to roll center line
14 W E B T E N S I O N S Y S T E M S P R E S S D U C TO R P I L LO W B LO C K LO A D C E L L S

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Tension electronics
PFEA – the compact solution
—
Covering a wide range of applications the tension electronics comes
in three versions, with different levels of performance and functionality.

— All three versions have multi-language digital PFEA 113

01 PFEA tension
electronics. display and configuration keys. The configuration This advanced tension electronics can supply up
— keys being used for setting different parameters to four load cells and has six configurable analog
02 IP20 version for
control room cubicle. and to check the status of the tension system. out-puts for control and/or monitoring of web
— The 2 x 16 character display can present sum, tension. The output signals are also available
03 Interactive display.
— difference or individual load cell signals. All three on Profibus-DP.
04 IP65 version for versions are available in both DIN-rail version
mounting on machine.
and enclosed IP65 1 version for mounting in more Another useful feature is the possibility to, via the
severe environments. digital input or Profibus, switch the gain for two
different web paths. Alternatively, the digital input
PFEA 111 could be used for remote gain scheduling or zero
A cost effective, compact and user-friendly tension set. This unit also includes a self-diagnostic
electronics providing an accurate and reliable fast function and four configurable digital outputs for
analog SUM signal from two load cells for control alarms and level detection. Status of self-diagnostic
and/or monitoring. The display can show the SUM, functions are also available on Profibus-DP.
individual A & B and difference signal. The small
size and DIN-rail mount make this unit very easy By combining up to three PFEA 113 the system can
to integrate into many types of electrical cabinets. handle segmented roll applications, i.e. winders,
with up to 12 load cells.
PFEA 112
This unit provides the same functionality and user The high level of functionality and user-friendliness
friendliness as the PFEA 111 with the addition make the PFEA 113 one of the most complete
of fieldbus communication via Profibus-DP. tension electronics on the market.

1
According to IEC 529, EN 60-529

—
01
 15

—
03

—
02

—
04
16 W E B T E N S I O N S Y S T E M S P R E S S D U C TO R P I L LO W B LO C K LO A D C E L L S

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Features and benefits

Interactive menu Filter function

The tension electronics has a unique interactive All units come with a selectable filter function
menu which guides the commissioning step for removal of roll unbalance, machine vibrations
by step, eliminating the potential for making and other disturbances.
mistakes and significantly reducing startup time
– a very helpful tool. Commissioning without calibration weights
All Pressductor load cells are standard calibrated
Built-in self diagnostics to the same sensitivity before delivery from ABB
The electronics continuously supervise a number factory. This means that the fastest and most
of important parameters and provides error accurate way to commission a tension system
messages if something goes wrong. is to use a calculated value instead of using
calibration weights.
Multi-language display
The multi-language display is a great feature Mounting
that helps to eliminate mistakes, during start-up To provide flexibility of mounting, all three
and/or operation of the tension system. versions of the tension electronics are available
in two mounting alternatives. For mounting on
Load memory a standard DIN-rail the IP 20 and for wall mounting
The resetable load memory stores max. load values. the IP 65.
A useful tool for maintenance.
Floor cubicle
Analog outputs Floor cubicle type MNS Select is available for
Individual scaling and filtering of all analog outputs. housing of up to 24 pcs. of PFEA 111/112 or 12 pcs.
Fieldbus communication Versions PFEA 112 of PFEA 113 when mounted on 19 inch plates.
and PFEA 113 have Fieldbus communication via Exact numbers depend on the combination
Profibus-DP as standard. In contradiction to of different tension electronics and the number
many other tension systems the PFEA 112 and of optional units used.
PFEA 113 provide a scaled and zeroed tension
output ready for use in control or monitoring.
 W E B T E N S I O N S Y S T E M S P R E S S D U C TO R P I L LO W B LO C K LO A D C E L L S 17

110 (4.34)
— 136 (5.35)

Options and dimensions

162 (6.37)
Options PFEA 111/112 IP 20 PFEA 113 IP 20 version
To meet certain special application requirements version (unsealed) (unsealed)
the following options are available:

58 (2.30)

110 (4.34)
Insulation amplifier PXUB 201
The insulation amplifier can be used when galvanic
insulation is required for analog output signals. 136 (5.35)

The insulation amplifier can be connected to all

136 (5.35)
versions and PFEA 113 – IP 65 can hold up to four

86 (3.38)
PXUB 201.

162 (6.37)
Supply voltage 24 V (20 to 253 V AC/DC)

connector
PFEA 112
D-sub

only
Current consumption 10 mA + external load
Signal range Input Output
0 to ±10 V 0 to ±10 V
0 to ±10 V 0 to ±20 mA PFEA 111 IP 65 version
0 to 10 V 4 to 20 mA 100 (3.94)

58 (2.30)
Rated insulation voltage 600 V (basic)

120 (4.72)
157 (6.18)

136 (5.35)
Relay board PXKB 201
PXKB 201 is DIN-rail mounted and can be mounted

86 (3.38)
in the IP 65 versions of the tension electronics
together with the insulation amplifier. PFEA 113-65 180 (7.09)
195 (7.67)
can hold up to four PXKB 201.
connector

PFEA 112
D-sub

only

Supply voltage 24 V DC
PFEA 112 IP 65 version
Power consumption 18 mA
Contact data AC 6 A at 250 V
DC 6 A at 250 V

Power supply unit

When using the DIN-rail IP 20 version of the
electronics and 24 V main supply is not available,
ABB offers optional power supply units.

The compact units transform main supply from PFEA 113 IP 65 version
110 to 120 V/207 to 240 V AC to 24 V DC for supply 159 (6.26)
of the PFEA 111, 112 and 113.

Three power supply units with different power

300 (11.81)

ratings are available. The table below indicates max.

384 (15.10)

number of electronics per power supply unit.

PFEA 111 PFEA 112 PFEA 113

SD831 3 A 6 6 3*
200 (7.87)
SD832 5 A 12 12 6*
SD832 10 A 24 24 12* 393 (15.47)

* Supply of digital outputs are not included Dimensions in mm (in.)

18 W E B T E N S I O N S Y S T E M S P R E S S D U C TO R P I L LO W B LO C K LO A D C E L L S

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Technical data

Data PFEA 111 PFEA 112 PFEA 113

Power supply
IP 20 voltage 24 V DC (18 to 36 V)
Power requirement 7.5 W 7.5 W 12 W
IP 65 main voltage 24 V DC (18 to 36 V), 100 (–15 %) to 240 (+10 %) V AC
Frequency 45 to 65 Hz
Number of load cells 2 2 4
Load cell excitation
Current 0.5 A RMS, 330 Hz 0.5 A RMS, 330 Hz 0.5 A RMS, 330 Hz
Max. load 2 load cells 2 load cells 4 load cells
plus 5 Ω cable resistance plus 5 Ω cable resistance plus 10 Ω cable resistance

Inputs
Digital inputs (remote zero
or gain scheduling) — — 1
Analog inputs (connection
of multiple PFEA 113 units) — — 2
Outputs
Analog outputs (voltage or current) — — 6
–5 to 11 V (max.load 5 mA) 1 1 —
0 to 21 mA (max. load 550 Ω) 1 1 —
Selectable filter
Step response (0 to 90 %) can be
set for each output 15, 30, 75, 250, 750, 1500 ms 15, 30, 75, 250, 750, 1500 ms 5, 15, 30, 75, 250, 750, 1500 ms

Scaling function of analog outputs Yes Yes Yes

Digital outputs
(Status OK and/or Level detectors) — — 4

Self diagnostics, Status OK

LED (green/red) Yes Yes Yes
Alarm on Digital output — — Yes
Alarm via Profibus — Yes Yes
Multi-language interactive display 1 Yes Yes Yes
Selectable tension units
on the display N, kN, kg and Ibs, N/m, kN/m, kg/m, pli

Maximum load memory Yes Yes Yes

Zero offset memory Yes Yes Yes
Communication
ProfiBus DP, baud rate
up to 12 Mbit — Yes Yes

GSD-file — ABB_0716.GSD ABB_0717.GSD

Environmental tolerance
Electrical environment
Electrical interference environment As per EMC Directive 2014/30/EU
Electrical safety As per Low Voltage Directive 2014/35/EU
As per UL508 Industrial control equipment 2

Ambient temperature 5 to 55 °C
Degree of protection IEC 529 Protection class IP 20 or IP 65

1
English, German, Italian, French, Japanese, Portugese
2
Not PFEA 112-65
W E B T E N S I O N S Y S T E M S P R E S S D U C TO R P I L LO W B LO C K LO A D C E L L S 19
—
ABB AB
Measurement & Analytics
Force Measurement
S-721 59 Västerås, Sweden

abb.com/webtension

2019.04

—
We reserve the right to make technical changes or modify the contents of this document
without prior notice. With regard to purchase orders, the agreed particulars shall prevail.
3BSE030913R0401 Rev F

ABB does not accept any responsibility whatsoever for potential errors or possible lack
of information in this document.

We reserve all rights in this document and in the subject matter and illustrations
contained therein. Any reproduction, disclosure to third parties or utilization of its
contents – in whole or in parts – is forbidden without prior written consent of ABB.

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