SICK CQF16 Manual de usuario

OPERATING INSTRUCTIONS

CQF16

Capacitive sensor

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.

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

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

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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.

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

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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