FMS RMGZ200 User manual

Installation Manual RMGZ200
Force Measuring Roller
Version 1.10 01/2017 NS
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© by FMS Force Measuring Systems AG, CH-8154 Oberglatt – All rights reserved.

Installation Manual RMGZ200
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Table of Contents
1Safety Instructions.....................................................................................3
1.1Description Conditions 3
2Product Information ..................................................................................4
2.1Dimensions 4
2.2Scope of Delivery 4
3Assembly Preparations.............................................................................5
3.1Assembly Conditions 5
3.2Assembly Preparations 5
3.3Installation of the Measuring Roller in Rotating Applications 6
3.4Red Point alignment in rotating applications 6
3.5Red Point alignment in static applications 7
3.6Wiring 7
4Design and Functionality ..........................................................................8
4.1Functional Description 8
4.2Technical Data 8

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1Safety Instructions
All safety related regulations, local codes and instructions that appear in the
manual or on equipment must be observed to ensure personal safety and to
prevent damage to the equipment connected to it. If equipment is used in a
manner not specified by the manufacturer, the protection provided by the
equipment may be impaired.
Do not stress the equipment over the specification limits neither during assembly
nor operation. To do so can be potentially harmful to persons or equipment in the
event of a fault to the equipment.
1.1 Description Conditions
a) Danger of health injury or loss of life
Danger
This symbol refers to high risk for persons to get health injury or loss life. It has
to be followed strictly.
b) Risk of damage of machines
Caution
This symbol refers to information, that, if ignored, could cause heavy mechanical
damage. This warning has to be followed absolutely.
c) Note for proper function
Note
This symbol refers to an important information about proper use. If not followed,
malfunction can be the result.
The Force Measuring Sensors may not be stressed over the specification
limits neither during assembly nor operation. The unit’s overload protection
value may not be exceeded.
The attachment points for the Force Measuring Sensors on the machine
frame must be properly designed. The bearings need to be appropriately
mounted.
It is of paramount importance to compensate the centrifugal forces caused
by the rotating base plate of the stranding machine. The measuring results will
be wrong, if this rule is broken.

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2Product Information
2.1 Dimensions
Fig. 1: Outline Drawing RMGZ200 R200001us
Nominal Force Order code Speed Limit Weight
N [lbs] FMS rpm kg [lbs]
6 [1.33] RMGZ206
10 [2.2] RMGZ211
20 [4.5] RMGZ212 40 000 0.57 [1.26]
50 [11.2] RMGZ215
100 [22] RMGZ221
300 [67] RMGZ223
Order Code (example): RMGZ221.H14
Options:
H14 = right angle connector
H16 = high temperature range up to 120°C [248°F]
2.2 Scope of Delivery
Scope of delivery:
1 sensor, 1 locking screw, 1 adjusting screw, 1 connector, 1 operation manual
Not included:
Mounting screws, sheave

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3Assembly Preparations
3.1 Assembly Conditions
The Force Measuring Roller RMGZ200 is defined as “partly completed
machinery” according to the Directives 2006/42/EC, article 2. In order to assure
a proper functionality of the parts and guarantee the essential health and safety
requirements of operators working with it, the following conditions for the
assembly of RMGZ200 must be met:
Caution
The Force Measuring Rollers may not be stressed over the specification limits
neither during assembly nor operation. The unit’s overload protection value may
not be exceeded.
Caution
The attachment points for the Force Measuring Rollers on the machine frame
must be properly designed. The bearings need to be appropriately mounted.
Caution
For correct installation and operation, follow the electrical wiring diagram and
instructions in this manual.
3.2 Assembly Preparations
The force measuring roller RMGZ200 works in conjunction with a customer
specific pulley. Before the measuring roller is installed it must be equipped with
the pulley. The measuring roller contains a special flange for this purpose.
The machine must be prepared for the installation of the RMGZ200. The two
corresponding mounting holes must be drilled. For the dimension of the holes
refer to outline drawing Fig.1

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3.3 Installation of the Measuring Roller in Rotating Applications
1. Mount the force measuring roller in the previously prepared position of the
machine with two screws.
2. Close the hinge using the locking screw. Make sure that the locking screw is
not completely tightened.
3. Attach the adjusting screw and tighten it until the air gap is parallel to the
mounting surface of the machine.
4. The Red Point indicates the positive measuring direction of the sensor. The
adjusting screw is used to align the position of the Red Point with high
accuracy.
3.4 Red Point alignment in rotating applications
In rotating applications (e.g. in stranding machines) the force measuring rollers
are mounted such that centrifugal forces are compensated. If using the RMGZ
200 this can be achieved by turning the measuring axes of the sensor parallel to
the rotation axis and in direction of the positive force component (refer to Fig.2)
Fig. 2: RMGZ200 Red Point alignment on rotating machines
Red_Point_Allignment.ai
The position of the Red Point and thus the parallelism of both axes can be
precisely adjusted with the adjustment screw.
Caution
It is of paramount importance to compensate the centrifugal forces caused by
the rotating base plate of the stranding machine. The measuring results will be
wrong, if this rule is broken.

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Note
The adjustment of the Red Point can be
tested after offset compensation and
calibration. If the reading of an
unloaded load cell stays at zero (zero N)
regardless of the load cell position (e.g.
at 12 o’clock, at 6 o’clock or any other
position), the red point is correctly
aligned.
3.5 Red Point alignment in static applications
In static applications the force measuring rollers are mounted in a way that the
red point is aligned in the direction of the resulting force .
Fig. 2: RMGZ200 Red Point alignment on rotating machines
Red_Point_Allignment.ai
3.6 Wiring
Connection between Force
Measuring Roller and
electronics is done by using
2x2x0.25mm2[AWG23]
shielded twisted-pair cable.
With cable length exceeding
15m, 2x2x0.75 mm2
[AWG18] is also suitable.
The cable must be installed
separate from power lines.
The connection has to be done referring to Fig. 4. The shield has to be connected
only to the measuring amplifier.
Fig. 3: Position of measuring rollers
RTM00020d
Fig. 4: Wiring diagram R100002e

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4Design and Functionality
4.1 Functional Description
The Force Measuring Roller RMGZ200 series is used to measure the material
tension in wire and cable producing machinery such as planetary cage, tubular,
rigid frame stranding machines, bunchers and twisters. Its basic design is that of
the RMGZ100B sensor but incorporating an accurate mechanism for the “Red
Point” adjustment.
The Force Measuring Roller is equipped with two lifetime lubricated deep groove
ball bearings. The customer specific sheave is mounted to them. The RMGZ200
works according to the principle of a dual flexion beam design. A quadruple foil
type strain gauge mounted in a full Wheatstone bridge configuration performs
the actual tension measurement. Overload protection devices prevent
deformation of the wires caused by overload. The load must always be applied in
the middle of the two bearings to ensure reproducible measuring results.
4.2 Technical Data
Sensitivity 1.8mV/V
Tolerance of sensitivity < ±0.2%
Accuracy class ±0.5%
Load rating of bearing C dynamic. = 4.61 kN [1036 lbf]
Temperature coefficient ±0.1% / 10K [±0.0055% / °F]
Temperature range –10...+60°C [14...140°F]
Option H16:
–10...+120°C [14...248°F]
Input resistance 350 Ω
Supply voltage 1...12VDC
Overload protection > 10 times nominal force
Protection class Protected against dust (IP42)
Sensor Material Stainless steel
FMS Force Measuring Systems AG
Aspstrasse 6
8154 Oberglatt (Switzerland)
Tel. [phone]
Fax [phone]
[email protected]
www.fms-technology.com
FMS Italy
Via Baranzate 67
I-20026 Novate Milanese
Tel: [phone]
Fax: [phone]
fmsit@fms-
technology.com
FMS USA, Inc.
2155 Stonington Ave. Suite 119
Hoffman Estates, IL 60169 USA
Tel. [phone]
Fax [phone]
[email protected]
FMS UK
Highfield, Atch Lench Road
Church Lench
Evesham WR11 4UG, Great Britain
Tel. [phone]
Fax [phone]
[email protected]