IFM Electronic Efector 150 KG5070 Manuale utente
Operating instructions
Capacitive sensors
KG5070
704433 / 01 06 / 2009
UK
2
Contents
1 Preliminary note............................................................................ 3
1.1 Symbols used............................................................................ 3
2 Safety instructions ........................................................................ 3
3 Functions and features................................................................. 4
4 Installation .................................................................................... 4
4.1 Notes on flush and non-flush installation................................... 4
4.2 Notes on installation in tanks..................................................... 5
4.3 Notes on laying of the connection cable.................................... 5
5 Electrical connection..................................................................... 6
4.1 Wiring ........................................................................................ 6
6 Operating and display elements................................................... 6
7 Operating modes.......................................................................... 7
7.1 Settings...................................................................................... 7
8 Operation...................................................................................... 9
9 Maintenance, repair and disposal................................................. 9
10 Approvals.................................................................................. 10
11 Terms ........................................................................................ 10
3
UK
1 Preliminary note
1.1 Symbols used
►Instruction
> Reaction, result
Important note:
Non-compliance can result in malfunctions or interference.
2 Safety instructions
Please read the product description prior to installing the unit. Ensure that the•
product is suitable for your application without any restrictions.
The unit conforms to the relevant regulations and EU directives.•
Improper use 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 mainte-•
nance of the unit must only be carried out by qualified personnel authorised by
the machine operator.
4
3 Functions and features
Capacitive sensor for monitoring levels of liquids and dry bulk material, prefe-•
rably of conductive media (e.g. aqueous solutions).
Automatic adjustment to the medium to be detected by means of programming•
buttons
4 Installation
4.1 Notes on flush and non-flush installation
For flush installation of non-flush units the sensor properties change and the
sensor can remain permanently switched (loss of function).
Respect the open space around the sensing face►
flush1:
non flush2:
Adhere to the minimum distances when mounting several sensors of the same►
type
5
UK
4.2 Notes on installation in tanks
Mount the unit as shown:►
Not in contact with the medium (only for non-metallic tanks)•
In contact with the medium•
In case of liquids use a mounting adapter (e.g. E43900).►
4.3 Notes on laying of the connection cable
Lay the cable as straight as possible and do not coil it.►
If necessary, cut the cable to the required length.►
3x Sn
6
5 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.
Disconnect power.►
Connect the unit.►
4.1 Wiring
p-switching (type...FPKG...)
BN = brown, BK = black, BU = blue
6 Operating and display elements
LED ring green / yellow (green: operation indication / yellow: output status indication)1:
sensing face2:
threaded sleeve3:
programming button OUT ON4:
programming button OUT OFF5:
7
UK
Output
function
Medium
present
LED
green
LED
yellow
Teaching
normally open no on off no
normally open
yes
off on no
normally
closed
no off on no
normally
closed
yes
on off no
normally open no on flashes
yes
normally open
yes
on flashes
yes
normally
closed
no on flashes
yes
normally
closed
yes
on flashes
yes
7 Operating modes
7.1 Settings
Basic teach empty state
Using the basic teach empty state the unit suppresses the wall of the tank. The
basic teach empty state resets the unit, an adjustment teach already carried out is
deleted.
Normally open unit (output closes when the tank is full)
Press [OUT OFF] for min. 2 s (max. 6 s).►
While pressing the pushbutton the LED flashes slowly. After releasing the>
pushbutton, the LED goes out.
Normally closed unit (output opens when the tank is full)
Press [OUT ON] for min. 2 s (max. 6 s).►
8
While pressing the pushbutton the LED flashes slowly. After releasing the push->
button, the LED lights continuously.
The unit is now ready for operation. For the detection of media with a low dielectric
constant (e.g. plastic granulates or oils) no further setting is required.
Adjustment teach full state
Necessary for aqueous media. The sensitivity of the unit is optimised. Later on,
the adjustment teach full state can be repeated at any time, an adjustment teach
empty state already carried out is not affected.
Fill the tank until the sensing face of the unit is covered.►
For NO the LED lights, for NC it goes out.>
Normally open unit
Press [OUT ON] for min. 6 s.►
While pressing the pushbutton the LED first flashes slowly, after 6 s more>
quickly. After releasing the pushbutton, the LED lights continuously.
Normally closed unit
Press [OUT OFF] for min. 6 s.►
While pressing the pushbutton the LED first flashes slowly, after 6 s more>
quickly. After releasing the pushbutton, the LED goes out.
Adjustment teach empty state
Recommended for deposits in the tank. Deposits are suppressed. Later on, the
adjustment teach can be repeated at any time, an adjustment teach full state
already carried out is not affected.
Empty the tank until the level is below the sensing face of the unit.►
For NO the LED goes out, for NC the LED lights.>
Normally open unit
Press [OUT OFF] for min. 6 s.►
9
UK
While pressing the pushbutton the LED first flashes slowly, after 6 s more>
quickly. After releasing the pushbutton, the LED goes out.
Normally closed unit
Press [OUT ON] for min. 6 s.►
While pressing the pushbutton the LED first flashes slowly, after 6 s more>
quickly. After releasing the pushbutton, the LED lights continuously.
Locking / unlocking
The unit can be electronically locked to protect it against unintentional setting.
To lock press [OUT ON] and [OUT OFF] simultaneously for 10 s.►
Acknowledgement: LED state (yellow) changes for a short time (the lit LED>
goes out briefly or the LED which is not lit lights briefly).
To unlock repeat this step.►
If the unit does not react, it may be locked.
8 Operation
Check whether the unit operates correctly. Bring about a sensor response by
taking suitable measures.
Display by LED:
LED yellow OFF: switching output disabled
LED yellow ON: switching output enabled
9 Maintenance, repair and disposal
The operation of the unit is maintenance-free. To ensure a correct function:
Keep the sensing face and a clear space, if any, free from deposits and foreign•
bodies.
When removing the unit or changing the medium, a new adjustment might be
necessary.
10
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.
10 Approvals
The device shall be supplied from an isolating transformer having a secondary
Listed fuse rated 2.5 A
11 Terms
Active zone / active face
Area above the sensing face in which the sensor reacts to the approach of the
target.
Output function
Normally open: Object within the active zone - output switched.
Normally closed: Object within the active zone - output blocked.
Programmable: Choice between normally closed or normally open.
Positive switching: Positive output signal (to L-).
Negative switching: Negative output signal (to L+).
Power-on delay time
The time the sensor needs to be ready for operation after application of the opera-
ting voltage (in the millisecond range).
Hysteresis
The difference between the switch-on and the switch-off point.
Leakage current
Current for the internal supply of 2-wire units, also flows through the load when the
output is unswitched.
Current consumption
Current for the internal supply of 3-wire DC units.
Switch point drift
The shifting of the switch point owing to changes of the operating conditions (e.g.
temperature, pressure, air humidity).
Indice
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