T echnical Description Ur's Guide
Balluff GmbH Schurwaldstras 9
73765 Neuhaun a.d.F. Germany
Phone +49 (0) 71 58/1 73-0 Fax +49 (0) 71 58/50 10
E-Mail: balluff@balluff.de www.balluff.de
Read this manual before installing and operating the Micropul Trans-ducer.1.1
Proper application
The BTL5 Micropul transducer is intended to be installed in a ma-chine or system. Together with a controller (PLC) it compris a posi-tion measuring system and may only be ud for this purpo.Unauthorized modifications and non-permitted usage will result in the loss of warranty and liab
ility claims.1.2
Qualified personnel
This guide is intended for special-ized personnel who will perform the installation and tup of the system.1.3
U and inspection
The relevant safety regulations must be followed when using the trans-
1Safety Advisory
ducer system. In particular, steps must be taken to ensure that should the transducer system become de-fective no hazards to persons or property can result. This includes the installation of additional safety limit switches, emergency shutoff switches and maintaining the per-missible ambient conditions.1.4
Scope
This guide applies to the model BTL5-A/C/A/ Micropul transducer.
An overview of the various models can be found in ction 12 Versions (indicated on product label) on page 12.
Note: For special versions, which are indicated by an -SA_ _ _ des-ignation in the part number, other technical data may apply (affect-ing calibration, wiring, dimensions etc.).
The following patents have been granted in connection with this product:
US Patent 5 923 164
Apparatus and Method for Auto-matically Tuning the Gain of an Amplifier
Contents 21.21.2Qualified personnel ................21.3U and inspection ................21.4Scope. (2)
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Function and
Characteristics .....................32.1Characteristics .......................32.2Function .................................32.3Available stroke lengths and动态回收期
magnets .................................33Installation ............................33.2Transducer, 43.3Magnets, Installation ..............54Wiring ....................................65.1Check connections ................65.2Turning on 65.3Check output values ..............65.4Check functionality ................65.66Calibration procedure ..........66.1Selecting 76.77Teach-in mode ......................88Manual adjust mode
............99Retting all values
(Ret) (1010)
Online-tting mode (11)
11Technical Data ....................1211.1Dimensions, weights,
1211.2Supply voltage (external)......1211.3Outputs ................................1211.4Connection 1211.5Included 1211.6Magnets ...............................1211.7Accessories (optional). (1212)
Versions (indicated on总有幸福在等你
product label) (12)
UL authorization File No.E227256
2.1
Characteristics
Micropul transducers feature:–Very high resolution, repeatability and linearity
–Immunity to shock, vibration,contamination and electrical noi –An absolute output signal –Automatic signal regulation –100 % adjusting range
–Removable calibration device – 2 kHz update rate
–Error information via output signal –Pressure rated to 600 bar –IP 67 per IEC 605292.2
Function
The transducer contains a tubular waveguide enclod by an outer stainless steel rod. A magnet at-tached to the moving member of the machine or to the cylinder pis-ton is moved over the rod and its position constantly updated.The magnet defines the measured position on the waveguide. An inter-nally generated INIT pul interacts with the magnetic field of the mag-
net to generate a magnetostrictive torsional wave in the waveguide which propagates at ultrasonic speed.
The torsional wave arriving at the end of the waveguide is absorbed in the damping zone. The wave arriv-ing at the beginning of the wave-guide creates an electrical signal in the coil surrounding the waveguide.The propagation time of the wave is ud to derive the position. Depend-ing on the version the corresponding value is output as a voltage or a cur-rent either with rising or falling char-acteristic. This process takes place with measuring high precision and repeatability within the stroke range defined as nominal stroke length.At the rod end is a damping zone,within which no reliable signal is available, but which may be entered by the magnet.
The electrical connection between the transducer, the processor/con-troller and the power supply is via a cable, which depending on the ver-sion is either fixed or connected using a female connector.
2Function and Characteristics Dimensions for installing the
Micropul transducer: ➥ Fig. 3-2Dimensions for installing the mag-net: ➥ Fig. 3-42.3
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Available stroke lengths and magnets
To ensure flexible application, nomi-nal transducer stroke lengths of from 50 to 4000 mm and various types of magnets are available.Magnets therefore need to be or-dered parately.
3Installation 3.1
Mounting
When possible, u non-magnetiz-able material for attaching the trans-ducer and magnet ring. ➥ Fig. 3-1.When attaching the transducer to magnetizable materials, appro-priate measures must be taken to protect against magnetic disturb-ances ➥ Fig. 3-1. Note the recommended distance of the transducer and cylinder from strong, external magnetic fields.
Fig. 3-1: Mounting
➀ - ➂ for magnetizable materials ➃ for non-magnetizable materials a =Spacer made of non-mag-netizable materials b =
Magnet
3Installation (cont.)
Fig. 3-2: A/B/Z, Dimensions 3.2
Transducer, Installation
The smallest permissible distance between magnet ring and rod mounting surface is shown in Fig. 3-2.
The transducer has either a
M18×1.5 thread or a 3/4"-16UNF thread for mounting. The aling is carried out with the O-ring supplied at the flange facing.
Important Installation Notes:The contact surface of the trans-ducer must be completely con-tacted by the mounting surface.The O-ring supplied must make a perfect pressure al, i.e. the bevel for the O-ring must be configured exactly as shown in Fig. 3-3.To achieve cure mounting, u the proper nut for the mounting thread. When tightening the nut, do cylinder rod should be at least 13 mm.
When attaching the transducer to magnetizable materials, appropriate measures must be taken to protect against magnetic disturbances,➥ Fig. 3-1.
Note the recommended distance of the transducer and cylinder from strong, external magnetic fields.
Fig. 3-3: Threaded hole for mounting the BTL with O-ring
Threaded hole M18×1.5 per ISO 6149
O-ring 15.4 × 2.1
Threaded hole 3/4"-16UNF per SAE J475
O-ring 15.3 × 2.4
not exceed a tightening torque of 100 Nm.
For horizontal mounting of trans-ducer with stroke lengths greater than 500 mm, the pressure tube should be supported or attached at its end.
When installing in a hydraulic cylin-der, do not allow the magnet ring to rub against the pressure tube. The bore diameter in the piston and
When routing the cable between the transducer, controller and power supply, avoid proximity to high volt-age lines to prevent noi coupling.Especially critical is inductive noi caud by AC harmonics (e.g. from pha-control devices), against
which the cable shield provides only limited protection.
Cable length max. 20 m; Ø 6 to 8 mm. Longer lengths may be ud if construction, shielding and routing are such that external noi fields will have no effect on signal integrity.
BKS connector, view towards solder side of female BKS-S 32M-00
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or BKS-S 33M-00
Fig. 4-2: Pin assignments BKS,
connector type BTL
Fig. 4-3: Connector (optional)
空腹能吃水果吗3Installation (cont.)Fig. 3-4: Magnet (optional)
BTL-P-1013-4R
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Magnets, Installation
A magnet is required for each trans-ducer. This must be ordered pa-rately. ➥ Fig. 3-4.
For mounting the magnet we rec-ommend to u non-magnetizable material. ➥
Fig. 3-1.BTL-P-1013-4S
BTL-P-1012-4R
图解周易Bild 4-1: KA_ _ with controller, wiring example
