Balluff BFF T-004-A2C-S4 Serie Betriebsanleitung Seite 12

Inline flow sensor with display
BFF T_ _ _ _-_ _004-_ _ _A2C-S4
Safety notes
Installation and startup may only be performed by
trained specialists with basic electrical knowledge.
Qualified personnel are persons whose technical
training, knowledge and experience as well as knowledge
of the relevant regulations allows him to assess the work
assigned to him, recognize possible hazards and take
appropriate safety measures.
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 measuring system
will not result in hazards to persons or equipment.
If defects and unresolvable faults occur in the flow sensor,
take it out of service and secure against unauthorized use.
General safety notes
Turn off power to the system before connecting the flow
sensor.
Before installing the flow sensor turn off power to the
system, block off the pipeline and watch for escaping
medium.
Self-heating of the sensor can mean that the device
surface has a higher surface temperature than the
monitored medium. Take precautionary measures before
working on the device.
Always observe the safety instructions in this guide and the
measures described to avoid hazards.
Explanation of the warnings
The warnings used here contain various signal words and
are structured as follows:
SIGNAL WORD
Type and source of the hazard
Consequences if not complied with
► Measures to avoid hazards
The individual signal words mean:
NOTICE
Identifies a danger that could damage or destroy the
product.
2 english
Display and operating elements
Fig. 2: Display and operating elements
Element
during operation
Button S1/– Pressing this
displays the current
limit value for
switchpoint S1
Button S2/– Pressing this
displays the current
limit value for
switchpoint S2
FUNC Pressing displays
button the current
temperature for
approx. 3 seconds
Display Measurement
values:
– Flow [l/min]
– Temperature [°C]
LED S1 Status of switchpoint S1, on when
switching output 1 is active.
LED S2 Status of switchpoint S2, on when
switching output 2 is active.
Display
LED S1
LED S2
Button S2
Button S1
FUNC button
Function
during input mode
Reducing the
display value
Increasing the
display value
Function and
parameter selection
Parameters/
measurement
values