IFM Electronic VTV121 Manuale utente
Operating instructions
Vibration transmitter
VTV121
11417256/00 10/2021
GB
GB
2
Symbols used
►Instruction
Important note
Non-compliance can result in malfunctions or interference.
1 Safety instructions
• Please read the product description prior to set-up of the unit. Ensure that the
product is suitable for your application without any restrictions.
• The unit conforms to the relevant regulations and EC directives.
• Improper or non-intended use may lead to malfunctions of the unit or to
unwanted effects in your application.
• That is why installation, electrical connection, set-up, operation and
maintenance of the unit must only be carried out by qualified personnel
authorised by the machine operator.
2 Functions and features
The vibration transmitter detects the vibration in the system (measured / evaluated
physical unit = vibration velocity). This is converted into an analogue signal at the
current output.
3 Installation
►Mount only in a thick housing wall
(e.g. transport thread).
►Ensure that the signal direction is
correct.
►Ensure a safe vibration transmissi-
on and allow no elastic intermediate
layers.
3
GB
►Select either the ¼“-28 UNF / M8
(2) or the ¼“-28 UNF (3) threaded
adapter and insert into the unit (1).
Both adapters are supplied.
►Tighten using a 3 mm Allen key.
Tightening torque 8 Nm.
►Drill and tap a hole at the mounting
location:
- M8 hole / depth min. 10 mm
- or ¼“ UNF hole / depth min.
13 mm.
►Tighten the sensor with a tightening torque of 8 Nm.
4 Electrical connection
The unit must be connected by a qualified electrician. The national and
international regulations for the installation of electrical equipment must be
adhered to.
M12
4
12
3
L+
L
1
2
Pin 1: L+ (9.6...32 V DC)
Pin 2: 4...20 mA
Pin 3: not used (n.c.)
4.1 Measuring range
v
eff
mm/s 0...50
I
out
mA 4...20
Frequency range Hz 10...1000
4
5 Scale drawing
M12 x1
22
17
24,5
63,55
49,6
1/4''-28 UNF
22
4,5
14
2
1: threaded adapter ¼“-28 UNF / M8
2: threaded adapter ¼“-28 UNF
tightening torque 8 Nm
6 Maintenance, repair, disposal
The operation of the unit is maintenance-free. It is not possible to repair the unit.
After use dispose of the unit in an environmentally friendly way in accordance with
the applicable national regulations.
7 Technical data
Technical data and further information at www.ifm.com.
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