Balluff BTL7-P511-M J-DEXC-TA12 Series, User Manual

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Fig. 3-1: BTL7-…, construction
3.1 Construction
Electrical connection: The connection is accomplished
by means of a connection terminal (see Type code on
page 23).
Housing: A heavy-duty stainless steel housing with a
modified 1/2"-14 NPT threaded conduit opening for cable
entry (conduit is not included in the scope of delivery).
Modified conduit entry in accordance with FM Standard
3615, Chapter 3.3.3, Paragraph D, Section 1.
The internal electronics module can be replaced without
removing the pressure housing.
Fastening: For secure fastening, tighten the BTL with
cylinder screws (ISO 4762, M6 × 16 - A2-70) at all 6
mounting holes (see Fig. 3-1). All screws must be
tightened with 3.5 Nm.
The BTLs have 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 starting on
page 21).
Nominal length:
Defines the available measuring range.
Rods with various nominal lengths from 25 mm to
7620 mm are available depending on the BTL version.
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
Magnet 2)
Nominal length = measuring range
Damping zone 1)
Mounting surface
External housing GND
Cover secondary retaining screw
A – A view
15/16" or 24 mm key
Modified 1/2"-14 NPT (conduit entry)
Viton O-ring
Thread
M4x6
1) Unusable area
2) Not included in scope of delivery
Float 2)
1)
50.8
104.1
A
30.8
23.6
96.1
59.5
77
Ø
10.2
Ø
18h6
A
25
Ø 4
5
6.7
Ø 88.5
Ø 76.2
60°
BTL7-P511-M _ _ _ _ -J-DEXC-TA12
Magnetostrictive Linear Position Sensor – Rod Style
Ignition protection “d”
Flameproof enclosure