Balluff BTL6-V11V-M Series User manual

User's Guide
english
BTL6-V11V-M____-A/B/Y/Z(8)-S115

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BTL6-V11V-M _ _ _ _ -A/B/Y/Z(8)-S115
Micropulse Transducer - Rod Style
1 Notes to the user 4
1.1 Validity 4
1.2 Symbols and conventions 4
1.3 Scope of delivery 4
1.4 Approvals and markings 4
1.5 Abbreviations 4
2 Safety 5
2.1 Intended use 5
2.2 General safety notes for the position measuring system 5
2.3 Explanation of the warnings 5
2.4 Disposal 5
3 Construction and function 6
3.1 Construction 6
3.2 Function 6
4 Installation and connection 7
4.1 Installation guidelines 7
4.2 Preparing for installation 7
4.3 Installing the transducer 8
4.3.1 Installation recommendation for hydraulic cylinders 8
4.4 Electrical connection 9
4.5 Shielding and cable routing 9
5 Startup 10
5.1 Starting up the system 10
5.2 Operating notes 10
6 Device profile 11
6.1 Device profile 11
6.1.1 Memory address space mapping 11
6.2 Position sensing with the Balluff BTL6‑V11V‑... 12
7 Technical data 13
7.1 Accuracy 13
7.2 Ambient conditions 13
7.3 Supply voltage 13
7.4 Inputs/outputs 13
7.5 Dimensions, weights 13
8 Accessories 14
8.1 Magnets 14
8.2 Mounting nut 14
8.3 Connectors 15
9 Type code breakdown 16
10 Appendix 17
10.1 Converting units of length 17
10.2 Part label 17

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1.1 Validity
This guide describes the construction, function and setup
options for the BTL6 Micropulse Transducer with VARAN
interface. It applies to types
BTL6‑V11V‑M ____ ‑A/B/Y/Z(8)‑S115 (see Type code
breakdown on page16).
The guide is intended for qualified technical personnel.
Read this guide before installing and operating the
transducer.
1.2 Symbols and conventions
Individual instructions are indicated by a preceding
triangle.
►Instruction 1
Action sequences are numbered consecutively:
1. Instruction 1
2. Instruction 2
Note, tip
This symbol indicates general notes.
1.3 Scope of delivery
– BTL6 transducer
– Condensed guide
The magnets are available in various models
and must be ordered separately.
1.4 Approvals and markings
UL approval
File no.
E227256
US Patent 5923164
The US patent was awarded in connection with this
product.
The CE Mark verifies that our products
meet the requirements of EU Directive
2004/108/EC (EMC Directive).
The transducer meets the requirements of the following
generic standards:
– EN61000-6-1 (noise immunity)
– EN61000-6-2 (noise immunity)
– EN61000-6-3 (emission)
– EN61000-6-4 (emission)
and the following product standard:
– EN61326-2-3
Emission tests:
– RF emission
EN55016-2-3 (industrial and residential areas)
Noise immunity tests:
– Static electricity (ESD)
EN 61000-4-2 Severity level 3
– Electromagnetic fields (RFI)
EN 61000-4-3 Severity level 3
– Electrical fast transients (burst)
EN 61000-4-4 Severity level 3
– Surge
EN 61000-4-5 Severity level 2
– Conducted interference induced
by high-frequency fields
EN 61000-4-6 Severity level 3
– Magnetic fields
EN 61000-4-8 Severity level 4
More detailed information on the guidelines,
approvals, and standards is included in the
declaration of conformity.
1.5 Abbreviations
DO Data object
VARAN Versatile Automation Random Access Network,
on a bus system based on Ethernet technology
1 Notes to the user
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2.1 Intended use
The Micropulse Transducer, together with a machine
controller (e.g. PLC), comprises a position measuring
system. It is intended to be installed into a machine or
system. Flawless function in accordance with the
specifications in the technical data is ensured only when
using original BALLUFF accessories. Use of any other
components will void the warranty.
Opening the transducer or non-approved use are not
permitted and will result in the loss of warranty and liability
claims against the manufacturer.
2.2 General safety notes for the position
measuring system
Installation and startup may only be performed by
trained specialists with basic electrical knowledge.
Specialists are those who can recognize possible hazards
and institute the appropriate safety measures due to their
professional training, knowledge, and experience, as well
as their understanding of the relevant regulations pertaining
to the work to be done.
The operator is responsible for ensuring that local safety
regulations are observed.
In particular, the operator must take steps to ensure that a
defect in the position measuring system will not result in
hazards to persons or equipment.
If defects and unresolvable faults occur in the transducer, it
should be taken out of service and secured against
unauthorized use.
2.3 Explanation of the warnings
Always observe the warnings in these instructions and the
measures described to avoid hazards.
The warnings used here contain various signal words and
are structured as follows:
SIGNAL WORD
Hazard type and source
Consequences if not complied with
►Measures to avoid hazards
The individual signal words mean:
NOTICE!
Identifies a hazard that could damage or destroy the
product.
DANGER
The general warning symbol in conjunction with the
signal word DANGER identifies a hazard which, if not
avoided, will certainly result in death or serious
injury.
2.4 Disposal
►Observe the national regulations for disposal.
2 Safety
BTL6-V11V-M _ _ _ _ -A/B/Y/Z(8)-S115
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0.5 Ø 25
71
12.8 25
60
Ø D1
G
45
46
Fig. 3-1: BTL6... transducer, construction and function
3.1 Construction
Electrical connection: The electrical connection is made
via a connector (see Type code breakdown on page16).
BTL housing: Aluminum housing containing the
processing electronics.
Mounting thread: We recommend assembling these
transducers on the fastening screw thread:
– BTL6-…-A/B: M18×1.5
– BTL6-…-Y/Z: 3/4"-16UNF
The transducer with Ø10.2mm has an additional thread
at the end of the rod to support larger nominal lengths.
Magnet: Defines the position to be measured on the
waveguide. Magnets are available in various models and
must be ordered separately (see Accessories on page14).
Nominal length: Defines the available measuring range.
Rods with various nominal lengths from 25 mm to
4012mm are available depending on the version:
– Ø10.2mm: Nominal length from 25mm to 4012mm
– Ø8mm: Nominal length from 25mm to 1016mm
Damping zone: Area at the end of the rod that cannot be
used for measurements, but which may be passed over.
3 Construction and function
1) Unusable area
2) Not included in scope of delivery
Version D1 G
...-A/B/Y/Z-... 10.2mm Thread M4x4/6deep
...-A8/B8/Y8/Z8-... 8mm No thread
1)
3.2 Function
The BTL6 transducer contains the waveguide which is
protected by an outer stainless steel tube (rod). A magnet
is moved along the waveguide. This magnet is connected
to the system part whose position is to be determined. The
magnet defines the position to be measured on the
waveguide.
An internally generated INIT pulse interacts with the
magnetic field of the magnet to generate a torsional wave
in the waveguide which propagates at ultrasonic speed.
The component of the torsional wave which arrives at the
end of the waveguide is absorbed in the damping zone to
prevent reflection. The component of the torsional wave
which arrives at the beginning of the waveguide is
converted by a coil into an electrical signal. The travel time
of the wave is used to calculate the position.
This information is transferred via the VARAN interface.
VARAN is an industrial bus system based on the physical
layer of the Ethernet (see www.varan-bus.net).
BTL6...S115
Nominal length =
Measuring range
Mounting surface
B: 30-1 mm
Z: 2"-0.04"
Damping zone 1)
Magnet 2)
Thread size
B: M18x1.5
Z: 3/4"-16UNF
1)
Mounting surface A: 30-1 mm
Y: 2"-0.04"
Thread size
A: M18x1.5
Y: 3/4"-16UNF
2)
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4.1 Installation guidelines
Non‑magnetizable material
min. Ø D21)
Magnet
Non-magnetizable material
1) Min. ØD2=Minimum diameter of the bore (seeTab.4-1)
Fig. 4-1: Installation variant in non-magnetizable material
Magnetizable material
If using magnetizable material, the transducer must be
protected against magnetic interference through suitable
measures (e.g. spacer ring made of non-magnetizable
material, a suitable distance from strong external magnetic
fields).
Spacer ring made of non-magnetizable
material
Magnet
min. Ø D21)
Spacer ring made of non-magnetizable
material
Magnet
1) Min.ØD2=Minimum diameter of the bore (seeTab.4-1)
Fig. 4-2: Installation in magnetizable material
Tube diameter Bore diameter D2
10.2mm At least 13mm
8mm At least 11mm
Tab. 4-1: Bore diameter if installed in a hydraulic cylinder
4.2 Preparing for installation
Installation note: We recommend using non-
magnetizable material to mount the transducer and
magnet.
Horizontal assembly: If installing horizontally with
nominal lengths >500mm, we recommend tightening the
rod at the end (only possible with Ø10.2mm) or
supporting it.
Hydraulic cylinder: If installed in a hydraulic cylinder,
ensure that the minimum value for the bore diameter of the
support piston is complied with (seeTab.4-1).
Mounting hole: The transducer comes with an M18×1.5
(ISO) or 3/4”-16UNF (SAE) mounting thread. Depending on
the version, a mounting hole must be made before
assembly.
Fig. 4-3: Mounting hole M18x1.5 per ISO6149 O-ring15.4x2.1
Fig. 4-4: Mounting hole 3/4”-16UNF per SAE J475 O-ring15.3x2.4
Magnet: Various magnets are available for the BTL6
transducer (see Accessories on page14).
4 Installation and connection
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4.3 Installing the transducer
NOTICE!
Interference in function
Improper installation can compromise the function of the
transducer and result in increased wear.
►The mounting surface of the transducer must make
full contact with the supporting surface.
►The bore must be perfectly sealed (O-ring/flat seal).
►Make a mounting hole with thread (possibly with
countersink for the O-ring) acc. to Fig.4-3 or Fig.4-4.
►Screw the transducer with mounting thread into the
mounting hole (max. torque100Nm).
►Install the magnet (accessories).
►For nominal lengths > 500mm: Tighten the rod at the
end (only possible with Ø10.2mm) or support it.
Suitable nuts for the mounting thread are
available as accessories (see page14).
4.3.1 Installation recommendation for hydraulic
cylinders
If you seal the hole with a flat seal, the max. operating
pressure will be reduced in accordance with the larger
pressurized surface.
If installing horizontally in a hydraulic cylinder (nominal
lengths>500mm), we recommend affixing a slide element
to protect the rod end from wear.
Dimensioning of the detailed solutions is the
responsibility of the cylinder manufacturer.
The slide element material must be suitable for the
appropriate load case, medium used, and application
temperatures. E.g. Torlon, Teflon or bronze are all possible
materials.
Fig. 4-5: Example 1, transducer installed with slide element
The slide element can be screwed on or bonded.
►Secure the screws so they cannot be loosened or lost.
►Select a suitable adhesive.
Fig. 4-6: Detailed view and top view of slide element
There must be a gap between the slide element and piston
bore that is sufficiently large for the hydraulic oil to flow
through.
Options for fixing the magnet:
– Screws
– Threaded ring
– Press fitting
– Notches (center punching)
If installed in a hydraulic cylinder, the magnet
should not make contact with the rod.
The hole in the spacer ring must ensure optimum guidance
of the rod by the slide element.
Fig. 4-7: Fixing of magnet
An example of how to install the transducer with a
supporting rod is shown in Fig.4-8 on page9.
4Installation and connection (continued)
Slide element
Magnet
Piston rod
BTL rod
Slide element
Flow gap
Slide surface
Magnet
Fixing of magnet
Spacer ring
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Fig. 4-8: Example2, transducer installed with supporting rod
4.4 Electrical connection
The transducer is connected via an S115 connector (see
Accessories on page15).
Note the information on shielding and cable
routing.
Pin Color BTL6‑V11V interface
1 — — Not used1)
2 OG/WH Orange/white Tx+
3 OG Orange Tx-
4 — — Not used1)
5 GN/WH Green/white Rx+
6 BU Blue GND2)
7 BN Brown +24V
8 GN Green Rx-
1) Unassigned leads can be connected to the GND on the controller side
but not to the shield.
2) Reference potential for supply voltage and EMC-GND.
Tab. 4-2: Pin assignment of S115 connector
Fig. 4-9: Pin assignment of S115 (view of connector pins of
transducer), 8-pin M12 circular plug
4.5 Shielding and cable routing
Defined ground!
The transducer and the control cabinet must be
at the same ground potential.
Shielding
To ensure electromagnetic compatibility (EMC), observe
the following:
– Connect transducer and controller using a shielded
cable. Shielding: Braided copper shield with
minimum85%.
– Shield is internally connected to connector housing.
Magnetic fields
The position measuring system is a magnetostrictive
system. It is important to maintain adequate distance
between the transducer cylinder and strong, external
magnetic fields.
Cable routing
Do not route the cable between the transducer, controller,
and power supply near high voltage cables (inductive stray
noise is possible).
The cable must be routed tension-free.
Cable length
The maximum cable length when using CAT5e cables is
100m1).
1) Prerequisite: Construction, shielding and routing preclude the effect of any
external noise fields.
4Installation and connection (continued)
Magnet
(e.g. BTL-P-1028-15R)
Supporting rod made of non-magnetizable material
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5 Startup
5.1 Starting up the system
DANGER
Uncontrolled system movement
When starting up, if the position measuring system is
part of a closed loop system whose parameters have not
yet been set, the system may perform uncontrolled
movements. This could result in personal injury and
equipment damage.
►Persons must keep away from the system's
hazardous zones.
►Startup must be performed only by trained technical
personnel.
►Observe the safety instructions of the equipment or
system manufacturer.
1. Check connections for tightness and correct polarity.
Replace damaged connections.
2. Turn on the system.
3. Check measured values and readjust the transducer, if
necessary.
Check for the correct values, especially after
replacing the transducer or after repair by the
manufacturer.
5.2 Operating notes
– Check the function of the transducer and all associated
components on a regular basis.
– Take the position measuring system out of operation
whenever there is a malfunction.
– Secure the system against unauthorized use.
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6.1 Device profile
The VARAN bus is an industrial real-time bus system
based on the IEEE 802.3 100TX Standard Ethernet
technology.
6.1.1 Memory address space mapping
The registers are assigned to following memory spaces:
Address (hex) Description Size (byte) Format Dimension Access type Reset
0000 Status
Bit 0: Error
Bit 1: Busy
Bit 3 to 2: Reserved
Bit 6...4: Stop detected
Bit 7: Stop overflow
Bit 31...6: Reserved
4 bit r 0
0004 Result position 1 4 dword inc r 0
0008 Result position 2 4 dword inc r 0
000C Result position 3 4 dword inc r 0
0010 Result position 4 4 dword inc r 0
003C Config
Bit 2...0: No. of magnets
Bit 31 to 3: Reserved
4 bit r/w 1
Tab. 6-1: Memory assignment
6 Device profile
Description of status register:
– Error: This bit is set if the number of detected stops is
less than the number of magnets entered in the Config
register.
– Busy: This bit is always 0.
– Stop detected: This bit field indicates the number of
magnets. For example, "001" means that 1 stop was
detected.
– Stop overflow: This bit is set if the number of detected
stops is more than the number of magnets entered in
the Config register.
– Reserved bits (bit 2, bit 3) in LSB are always 0.
Description of Config register:
– No. of magnets: This bit field must be set to the
number of magnets installed on the BTL. For example,
"001" means that 1 magnet was installed. The default
value is 1 magnet. The maximum can be read out from
the calibration data DO (see configuration guide).
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6.2 Position sensing with the Balluff BTL6‑V11V‑...
Fig. 6-1:
INIT-FRAME TF
TI
TStart TStart TStop TStop N
TI
PLL_Sync_out
START/STOP
TMagnet
Basic signals for position sensing
Fig. 6-1 displays the basic signals used for position
sensing. The sensing cycle starts with PLL-Sync_out1),
which generates the start pulse. Measurements are taken
between the falling edge of the start pulse and the falling
edge of the corresponding stop pulse (see Fig. 6-1).
Time TMagnet is available in the position result register (see
Memory address space mapping on page 11)
The PLL_Sync_out time interval must be
defined by the user during startup.
The position of the magnet can be calculated using the
following formula:
PMagnet = (RMagnet – Offset) x Multiplier
Divisor
PMagnet The current position of the magnet inµm
RMagnet Values for the current position of the magnet
in increments (example: result position 1 for
magnet 1)
Offset Null position offset in increments1)
Multiplier Length of BTL in µm1)
Divisor Length of BTL in increments1)
1) See configuration guide, calibration data
6Device profile (continued)
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7.1 Accuracy
The specifications are typical values at 24VDC and room
temperature, with a nominal length of 500 mm in
conjunction with the BTL-P-1013-4R, BTL-P-1013-4S,
BTL-P-1012-4R, or BTL-P-1014-2R magnet.
The BTL is fully operational immediately, with full accuracy
after warm-up.
For special versions, other technical data may
apply.
Special versions are indicated by the suffix -SA
on the part label.
Resolution <15µm
Repeat accuracy, typical <20µm
Sampling rate
Dependent on nominal length 250µs to 3.5ms
At nominal length = 500mm ≥0.5ms
Non-linearity at
Nominal length ≤ 500 mm ±200µm
Nominal length > 500 mm ±0.04%FS
Temperature coefficient1) ≤20ppm/K
7.2 Ambient conditions
Operating temperature 0°C to +70°C
Storage temperature −40°C to +100°C
Relative humidity <90%, non-condensing
Shock rating
per EN60068-2-272)
50g/6ms
Continuous shock
per EN60068-2-292)
50g/2ms
Vibration
per EN 60068-2-62)
(note resonant frequency
of the rod)
12g, 10 to 2000Hz
Degree of protection per
IEC60529 (when attached)
IP67
7.3 Supply voltage
Voltage, stabilized3) 20 to 28VDC
Ripple ≤0.5Vss
Current draw
(at24VDC)
≤75mA
Inrush current ≤4A/0.5ms
Reverse polarity protection Up to 36V
Overvoltage protection Up to 36V
(supply cables only!)
Dielectric strength of
GND to housing
500VDC
7.4 Inputs/outputs
Short circuit resistance Signal cable to GND
7.5 Dimensions, weights
Rod diameter 8mm or 10.2mm
Nominal length
For Ø8mm 25 to 1016mm
For Ø10.2mm 25 to 4012mm
Weight (depends on
length)
Approx. 2kg/m
Housing material Anodized aluminum
Rod material Stainless steel 1.4571
Rod wall thickness
For Ø8mm 0.9mm
For Ø10.2mm 2mm
Young's modulus Approx. 200kN/mm2
Housing mounting via
threads
M18×1.5 or 3/4”-16UNF
Tightening torque Max.100Nm
1) Nominal length 500mm, magnet in the middle of the measuring range
2) Individual specifications as per Balluff factory standard
3) For : The transducer must be externally connected via a limited-
energy circuit as defined in UL61010-1, a low-power source as defined in
UL60950-1, or a class 2 power supply as defined in UL1310 or
UL1585.
7 Technical data
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Accessories are not included in the scope of delivery and
must be ordered separately.
8.1 Magnets
Fig. 8-1:
BTL‑P‑1013‑4R
BTL‑P‑1013‑4S
BTL‑P‑1012‑4R
BTL‑P‑1014‑2R
Magnet installation dimensions
BTL‑P‑1013‑4R, BTL‑P‑1013‑4S, BTL‑P‑1012‑4R,
BTL‑P‑1014‑2R:
Weight: Approx. 10g
Housing: Anodized aluminum
Included in the scope of delivery for the
BTL‑P‑1013‑4R, BTL‑P‑1013‑4S, BTL‑P‑1012‑4R:
Spacer: 8mm, material: polyoxymethylene
(POM)
BTL5‑P‑4500‑1 magnet (solenoid):
Weight: Approx. 90g
Housing: Plastic
Operating
temperature: - 40°C to + 60°C
BTL‑P‑1028‑15R (special accessories for
applications with a supporting rod):
Weight: Approx. 68g
Housing: Anodized aluminum
Fig. 8-2:
Ø 4.3
120°
Ø 28 Ø 54 Ø 65
8
BTL-P-1028-15R special accessories
8.2 Mounting nut
– M18×1.5 mounting nut:
BTL-A-FK01-E-M18×1.5
– 3/4”16UNF mounting nut:
BTL-A-FK01-E-3/4“-16UNF
8 Accessories
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8.3 Connectors
For information on pin assignment, see
Table4-2 on page 9.
BCC M488‑0000‑1A‑000‑43x834‑000
– Angled connector, freely configurable
– M12, 8-pin
Fig. 8-3: Connector BCC M488-0000-1A-000-43x834-000
BCC M478‑0000‑1A‑000‑43x834‑000
– Straight connector, freely configurable
– M12, 8-pin
Fig. 8-4: Connector BCC M478-0000-1A-000-43x834-000
8Accessories (continued)
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
Top view of socket
Top view of socket
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9 Type code breakdown
BTL6 ‑ V 1 1 V ‑ M0500 ‑ B ‑ S115
Micropulse transducer
Ethernet interface
Supply voltage:
1 = 20 to 28VDC
Data protocol:
1 = 1 magnet (default)
Ethernet interface type:
V = VARAN
Nominal length (4-digit):
M0500 = Metric specification in mm, nominal length 500mm
Rod version, fastening:
A = Metric mounting thread M18x1.5, O-ring, rod diameter 10.2mm
B = Metric mounting thread M18x1.5, O-ring, rod diameter 10.2mm
Y = 3/4”-16UNF thread, O-ring, rod diameter 10.2mm
Z = 3/4”-16UNF thread, O-ring, rod diameter 10.2mm
A8 = Metric mounting thread M18x1.5, O-ring, rod diameter 8mm
B8 = Metric mounting thread M18x1.5, O-ring, rod diameter 8mm
Y8 = 3/4”-16UNF thread, O-ring, rod diameter 8mm
Z8 = 3/4”-16UNF thread, O-ring, rod diameter 8mm
Electrical connection:
S115 = 8-pin, M12 plug
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10.1 Converting units of length
1mm=0.03937008inches
mm inches
1 0.03937008
2 0.07874016
3 0.11811024
4 0.15748031
5 0.19685039
6 0.23622047
7 0.27559055
8 0.31496063
9 0.35433071
10 0.393700787
Tab. 10-1: Conversion table mm to inches
1inch=25.4mm
inches mm
1 25.4
2 50.8
3 76.2
4 101.6
5 127
6 152.4
7 177.8
8 203.2
9 228.6
10 254
Tab. 10-2: Conversion table inches to mm
10.2 Part label
Fig. 10-1:
BTL6-V11V-M0500-B-S115
BTL1397
07112200054321 DE
BTL6 part label
10 Appendix
Ordering code
Type
Serial number
BTL6-V11V-M _ _ _ _ -A/B/Y/Z(8)-S115
Micropulse Transducer - Rod Style

No. 887276-726 E .01.114558 .Edition 1208; subject to modification. Replaces edition 1112.
www.balluff.com
Headquarters
Germany
Balluff GmbH
Schurwaldstrasse 9
73765 Neuhausen a.d.F.
Phone + 49 7158 173-0
Fax [phone]
[e-mail]
Global Service Center
Germany
Balluff GmbH
Schurwaldstrasse 9
73765 Neuhausen a.d.F.
Phone [phone]
Fax [phone]
[email protected]
US Service Center
USA
Balluff Inc.
8125 Holton Drive
Florence, KY 41042
Phone [phone]
Toll-free 1-800-543-8390
Fax [phone]
[email protected]
CN Service Center
China
Balluff (Shanghai) trading Co., ltd.
Room 1006, Pujian Rd. 145.
Shanghai, 200127, P.R. China
Phone [phone]
Fax [phone]
[email protected]