SICK CQF16 Manuale utente
OPERATING INSTRUCTIONS
CQF16
Capacitive sensor
Described product
CQF16
Manufacturer
SICK AG
Erwin-Sick-Str. 1
79183 Waldkirch
Germany
Legal information
This work is protected by copyright. Any rights derived from the copyright shall be
reserved for SICK AG. Reproduction of this document or parts of this document is only
permissible within the limits of the legal determination of Copyright Law. Any modifica‐
tion, abridgment or translation of this document is prohibited without the express writ‐
ten permission of SICK AG.
The trademarks stated in this document are the property of their respective owner.
© SICK AG. All rights reserved.
Original document
This document is an original document of SICK AG.
8022690 | SICK
Subject to change without notice 3
Contents
1 General safety notes......................................................................... 5
2 Notes on UL approval........................................................................ 5
3 Intended use...................................................................................... 5
4 Operating and status indicators...................................................... 6
5 Mounting and installation................................................................ 6
6 Electrical installation........................................................................ 7
7 Calibration.......................................................................................... 9
8 Troubleshooting................................................................................. 9
9 Disassembly and disposal............................................................... 9
10 Maintenance...................................................................................... 10
11 Technical data.................................................................................... 11
11.1 Dimensional drawing................................................................................ 11
CONTENTS
48022690 | SICK
Subject to change without notice
1 General safety notes
■Read the operating instructions before commissioning.
■
Connection, mounting, and configuration may only be performed by trained
specialists.
■
2006/42/EG
NO
SAFETY
Not a safety component in accordance with the EU Machinery Directive.
■
When commissioning, protect the device from moisture and contamination.
■These operating instructions contain information required during the life cycle of
the sensor.
2 Notes on UL approval
The device must be supplied by a Class 2 source of supply.
UL Environmental Rating: Enclosure type 1, 2, 4, 4X, 5, 12
Ambient temperature: 80 °C
3 Intended use
The CQF16 is suited for detecting materials in liquid form through non-metallic con‐
tainer walls or with direct contact to the liquids. The sensor compensates for foam,
moisture and deposits and can therefore be used to detect water-based liquids with a
conductivity of up to 50 mS/cm. (e.g. water, milk, honey, syrup, ink, bodily fluids, acids,
alkali solutions)
Application possibilities include:
- Injection molding machines, e.g. adhesives
- Chemical industry, e.g. water preparation, acid and alkaline solutions, solvents
- Packaging industry, e.g. fill level detection, dairy products
The ability of capacitive proximity sensors to detect materials depends on the object’s
density and electrical properties. The sensing range given for capacitive proximity sen‐
sors relates to a measuring plate of standardized steel (ST37).
If changes are made to the product, any warranty claim against SICK AG shall become
void.
GENERAL SAFETY NOTES 1
8022690 | SICK
Subject to change without notice 5
4 Operating and status indicators
2 1
Figure 1: Status indicators
1Yellow LED indicator: Switching output
2LED indicator green: supply voltage active
Included with delivery:
•Capacitive sensor: CQF16
•Bracket: BEF1)
•2 foam cushions, 3 mm thickness (for pipe mounting)
•2 adhesive pads, 1 mm thickness (for screw-free surface mounting)
•Quickstart
5 Mounting and installation
Mounting and disassembly of the sensor in the bracket
Figure 2: Mounting Figure 3: Dismantling
1) Screws are not included. Recommendation: M3 screw
4 OPERATING AND STATUS INDICATORS
68022690 | SICK
Subject to change without notice
Installation possibilities
Table 1: Installation options
Figure 4: Velcro installation
position on a tank
Figure 5: Bracket on thin
pipe
Figure 6: Mounting with
cable ties on a pipe
Figure 7: Adhesive mounting Figure 8: Adhesive mounting
Figure 9: Flush mounting, fig.
1
Figure 10: Flush mounting,
fig. 2
Figure 11: Flush mounting,
fig. 3
6 Electrical installation
The sensors must be connected in a voltage-free state (UV = 0 V). The following informa‐
tion must be observed, depending on the connection type:
– Male connector connection: Note pin assignment
– Cable: Wire color
Only apply voltage/switch on the voltage supply (UV > 0 V) once all electrical connec‐
tions have been established.
Explanations on connection diagram:
NC = normally closed
NO = normally open
MOUNTING AND INSTALLATION 5
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Subject to change without notice 7
Q = switching outputs
Teach = external teach (ET) (see „Calibration“, page 9)
DC: 10 ... 30 V DC, see „Technical data“, page 11,
Table 2: DC
CQF16- xxxxxxW1 xxxxxxP1
1BN: + (L+) + (L+)
2WH: Teach Teach
3BU: - (M) - (M)
4BK: Q Q
AWD: 4 x 0.14 mm2
2
1
4
3
NOTE
If the cable is not used for calibration, permanently connecting this cable to V- is recom‐
mended.
Switching behavior
Table 3: Switching behavior
Figure 12: PNP, NO Figure 13: NPN, NO
Figure 14: PNP, NC Figure 15: NPN, NC
Figure 16: Function diagram
6 ELECTRICAL INSTALLATION
88022690 | SICK
Subject to change without notice
7 Calibration
The sensor can typically be used on plastic tank walls of about 0.5 - 6 mm and glass
walls of about 0.5 - 4 mm without calibration.
If the factory settings (full state taught in at a 2-mm distance to metallic destination)
are not sufficient, the sensor can be taught in using cables.
Calibration in full state
For most applications, calibration with a full tank or pipe is sufficient.
For applications with various types of fluids or large temperature ranges, it can be bene‐
ficial to teach in the sensor with half the sensor surface covered.
Calibration in empty state
For most applications, calibration with an empty tank or pipe is sufficient.
For applications in which deposits, foam residues or moisture are expected, calibration
can be performed with existing residues.
Calibration modes
Table 4: Teach-in modes
Teach-in mode Teach-in process Teach-in time LED display Result
Full state ET: Connect pin 2
or white wire to L
+
> 2 s ... < 7 s Green LED flash‐
ing (1 Hz), yellow
LED is off
Yellow LED
flashes 3 times
(at 1 Hz)
Empty state > 7 s ... < 12 s Green LED flash‐
ing (1 Hz), yellow
LED is on
Yellow LED
flashes 3 times
(at 1 Hz)
Cancel calibra‐
tion
> 14 s The switching set
point remains
unchanged.
Green LED off,
yellow LED flash‐
ing (4 Hz)
8 Troubleshooting
The Troubleshooting table indicates measures to be taken if the sensor stops working.
LED indicator/fault pattern Cause Measures
Green LED not flashing, yellow
LED flashing (4 Hz, min 1 s)
Output short-circuit or input
voltage is under 10 V
Test output wiring or voltage
supply
9 Disassembly and disposal
The sensor must be disposed of according to the applicable country-specific regula‐
tions. Efforts should be made during the disposal process to recycle the constituent
materials (particularly precious metals).
CALIBRATION 7
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Subject to change without notice 9
10 Maintenance
SICK sensors are maintenance-free.
Contamination can be removed with cleaning agents (Topaz AC3, AC1, MD3, CL1,
Topactive OKTO, P3-hypochloran).
We recommend that you check the threaded assemblies and plug connectors at regular
intervals.
No modifications may be made to devices.
If there is a defect, the sensor must be replaced and the defective sensor protected
from unauthorized use.
Subject to change without notice. Specified product properties and technical data are
not written guarantees.
10 MAINTENANCE
10 8022690 | SICK
Subject to change without notice
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