Balluff BTL7-E508-M P-S32/KA Series User manual

User's Guide
english
BTL7-C/E508-M _ _ _ _ -P-S32/KA _ _
BTL7-C/E509-M _ _ _ _ -P-S32/KA _ _
BTL7-C/E512-M _ _ _ _ -P-S32/KA _ _
BTL7-C/E513-M _ _ _ _ -P-S32/KA _ _

www.balluff.com

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1 Notes to the user 5
1.1 Validity 5
1.2 Symbols and conventions 5
1.3 Scope of delivery 5
1.4 Approvals and markings 5
2 Safety 6
2.1 Intended use 6
2.2 General safety notes for the position measuring system 6
2.3 Explanationof the warnings 6
2.4 Disposal 6
3 Construction and function 7
3.1 Construction 7
3.2 Function 8
3.3 LED display 8
4 Installation and connection 9
4.1 Installing the transducer 9
4.2 Captive magnets 9
4.3 Floating magnets 10
4.4 Electrical connection 11
4.5 Shielding and cable routing 12
5 Startup 13
5.1 Starting up the system 13
5.2 Operating notes 13
6 Configuration with the Micropulse Configuration Tool 14
6.1 Value table for factory setting 14
6.2 Micropulse Configuration Tool 14
6.3 Connecting the USB communication box 14
6.4 Configuration options 15
7 Technical data 16
7.1 Accuracy 16
7.2 Ambient conditions 16
7.3 Supply voltage (external) 16
7.4 Output 16
7.5 Communication lines La, Lb 17
7.6 Dimensions, weights 17
8 Accessories 18
8.1 Captive magnets 18
8.2 BTL2-GS10-_ _ _ _-A joint rod 18
8.3 Floating magnets 19
8.4 Connectors and cables 20
8.4.1 BKS-S32/S33M-00, freely configurable 20
8.4.2 BKS-S232/S233-PU-_ _, preassembled 20
8.5 USB communication box 20
BTL7-C/E5_ _-M _ _ _ _ -P-S32/KA _ _
Micropulse Transducer in a Profile Housing

4english
9 Type code breakdown 21
10 Appendix 22
10.1 Converting units of length 22
10.2 Part label 22
BTL7-C/E5_ _-M _ _ _ _ -P-S32/KA _ _
Micropulse Transducer in a Profile Housing

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1.1 Validity
This guide describes the construction, function and setting
options for the BTL7 Micropulse Transducer with analog
interface. It applies to types
BTL7-C/E5_ _-M____-P-S32/KA__ (see Type code
breakdown on page21).
The guide is intended for qualified technical personnel.
Read this guide before installing and operating the
transducer.
1.2 Symbols and conventions
Individual handling instructions are indicated by a
preceding triangle.
►Handling instruction 1
Handling sequences are numbered consecutively:
1. Handling instruction 1
2. Handling instruction 2
Note, tip
This symbol indicates general notes.
Symbols of this type indicate the LED displays.
1.3 Scope of delivery
– BTL7 transducer
– Mounting clamps with insulating sleeves and screws
– 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 the current
EMC Directive.
The transducer meets the requirements of the following
product standard:
– EN61326-2-3 (noise immunity and emission)
Emission tests:
– RF emission
EN55011
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 Notes to the user
BTL7-C/E5_ _-M _ _ _ _ -P-S32/KA _ _
Micropulse Transducer in a Profile Housing

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2.1 Intended use
The BTL7 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 and used in the industrial sector. 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.
Qualified personnel 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 conditions 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
BTL7-C/E5_ _-M _ _ _ _ -P-S32/KA _ _
Micropulse Transducer in a Profile Housing

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3.1 Construction
Electrical connection: The electrical connection is made
via a cable or a connector (see Type code breakdown on
page21).
Housing: Aluminum housing containing the waveguide
and processing electronics.
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18).
Nominal length: To optimally adapt the transducer to the
application, nominal lengths from 50mm to 7620mm are
available.
3 Construction and function
12 72 73
~80 ~80~250 ~250
15
50
35
68
41
36.8
~23
max. 7
1) Unusable area
2) Not included in scope
of delivery
1) Nominal length =
Measuring range
Null point End point
Output signal rising:
Error signal
100 %
0 %
BTL5-P-3800-2 magnet
1)
Mounting clamps with insulating bushes
and ISO4762M5x22 cylinder-head screws,
max. tightening torque 2Nm
2)
2)
BTL7-…-S32BTL7-…-KA_ _
Fig. 3-1: BTL7-… transducer, construction
Groove
BTL7-C/E5_ _-M _ _ _ _ -P-S32/KA _ _
Micropulse Transducer in a Profile Housing

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3Construction and function (continued)
3.2 Function
The BTL7 transducer contains the waveguide which is
protected by an aluminum housing. 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. Depending
on the version, this information is made available as a
voltage or current with rising or falling gradient.
The following functions can be selected for the output
values:
– Position
– Speed (with or without leading sign)
The entire function scope can only be
configured with the PC software "Micropulse
Configuration Tool". To do this, the USB
communication box must be connected (see
Accessories on page18).
3.3 LED display
Fig. 3-2: BTL7 LED displays
In normal operation LED 1 indicates the
operating state of the transducer.
LED1 LED2 Operating state
Green Off Normal function
Magnet is within the limits.
Red Off Error
No magnet or magnet outside the limits.
Green or
red
Flashing
green
Programming mode
LED 2
LED 1
BTL7-C/E5_ _-M _ _ _ _ -P-S32/KA _ _
Micropulse Transducer in a Profile Housing

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4.1 Installing the transducer
NOTICE
Improper installation
Improper installation can compromise the function of the
transducer and result in damage.
►For this reason, ensure that no strong electrical or
magnetic fields are present in the immediate vicinity
of the transducer.
►The recommended spacing for the installation must
be strictly observed.
Any orientation is permitted. Mount the transducer on a
level surface of the machine using the provided mounting
clamps and cylinder-head screws. A sufficient number of
mounting clamps is supplied.
In order to avoid the development of resonant
frequences from vibration loads, we
recommend arranging the mounting clamps at
irregular intervals.
The transducer is electrically isolated from the machine
with the supplied insulating bushes (see Fig. 3-1).
1. Guide the transducer into the mounting clamps.
2. Attach transducer to the base using mounting screws
(tighten screws in the clamps with a max.2Nm).
3. Insert magnet (accessories).
The micropulse transducer in profile housing is
suitable both for floating, i.e.non-contacting
magnets (see Fig. 4-4 toFig. 4-8) and for
captive magnets (see Fig. 4-1 to Fig. 4-3).
4.2 Captive magnets
The following must be observed when installing the
magnet:
– Avoid lateral forces.
– Connect the magnet to the machine member with a
joint rod (see Accessories on page18).
Fig. 4-1:
66.4
60
1
Dimensions and distances with BTL5-F-2814-1S magnet
Fig. 4-2:
52.5
47.5
1
Dimensions and distances with BTL5-T-2814-1S magnet
Fig. 4-3:
Y
X
1
Dimensions and distances with BTL5-M/N-2814-1S magnet
BTL5-M-2814-1S BTL5-N-2814-1S
Distance X 48.5mm 57mm
Distance Y 51mm 59.5mm
Tab. 4-1: Distances with BTL5-M/N-2814-1S magnet
4 Installation and connection
BTL7-C/E5_ _-M _ _ _ _ -P-S32/KA _ _
Micropulse Transducer in a Profile Housing

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4Installation and connection (continued)
4.3 Floating magnets
The following must be observed when installing the
magnet:
– To ensure the accuracy of the position measuring
system, the magnet is attached to the moving member
of the machine using non-magnetizable screws
(stainless steel, brass, aluminum).
– The moving member must guide the magnet on a track
parallel to the transducer.
– Ensure that the distance A between parts made of
magnetizable material and the magnet is at least
10mm (see Fig. 4-4 toFig. 4-8).
– Maintain the following values for distance B between
the magnet and transducer and for center offsetC (see
Fig. 4-4 toFig. 4-8):
Type of magnet DistanceB1) OffsetC
BTL5-P-3800-2 0.1…4mm ±2mm
BTL5-P-5500-2 5…15mm ±15mm
BTL5-P-4500-1 0.1…2mm ±2mm
BTL6-A-3800-2 4…8mm2) ±5mm
BTL6-A-3801-2 4…8mm2) ±5mm
2) The selected distance must stay constant over the entire measuring length.
1) For optimum measurement results, a distanceB of 6 to 8mm is
recommended.
Tab. 4-2: Distance and offset for floating magnets
Fig. 4-4:
B
C
50+4
A A
55+4
1
Dimensions and distances with BTL5-P-3800-2 magnet
Fig. 4-5:
C
B
A
A
1
61+10
66+10
Dimensions and distances with BTL5-P-5500-2 magnet
Fig. 4-6:
C
B
A A
1
74+4
69+4
Dimensions and distances with BTL6-A-3800-2 magnet
Fig. 4-7:
C
B
A A
1
63+4
58+4
Dimensions and distances with BTL6-A-3801-2 magnet
Fig. 4-8:
B
A
A
C
4
1
81+2
57.5+2
Dimensions and distances with BTL5 -P-4500-1
electromagnet (24V/100mA)
The measuring range is offset by 4mm towards
the transducer plug (see Fig. 4-8).
Plug with
LED
BTL7-C/E5_ _-M _ _ _ _ -P-S32/KA _ _
Micropulse Transducer in a Profile Housing