Sensor adjustment with Teach-in procedure

Set detect point

Place object at position 

Press push-button for about

3 s until LEDs flash

simultaneously

both LEDs:

flash

mutually

Press push-button for

about 1 s

Set window mode

Place object at position 

Press push-button for about

3 s until LEDs flash

simultaneously

both LEDs:

Place object at position 

Press push-button for

about 1 s

flash

mutually

Set two way reflective

barrier

Set NOC/NCC

Enable/disable Teach-in

push-button

Switch off power supply

Place object at position 

Press push-button for about

3 s until LEDs flash

simultaneously

Press button for about 13 s

until LEDs flash

mutually

both LEDs:

flash

mutually

Press push-button for

about 10 s

green LED:

yellow LED:

To change output characte-

ristic press push-button

for about 1 s

While pressing the push-

button switch on power

supply

Keep push-button pressed

for about 3 s until both

LEDs flash simultaneously

flashes

on: NOC

off: NCC

green LED:

yellow LED:

flashes

on: push-button

enabled

off: push-button

disabled

To enable/disable Teach-in

press push-button

for about 1 s

Reset to factory setting

Switch off power supply

While pressing the push-

button switch on power

supply

Keep push-button pressed

for about 13 s until both

LEDs stop

flashing

Normal operating mode

Wait for 10 s

Normal operating mode

Operating Instructions

Ultrasonic proximity switch with

one switched output

zws-15/CD/QS zws-15/CE/QS

zws-24/CD/QS zws-24/CE/QS

zws-25/CD/QS zws-25/CE/QS

zws-70/CD/QS zws-70/CE/QS

Product Description

The zws sensor offers a non-contact

measurement of the distance to an

object which must be positioned

within the sensor’s detection zone.

The switched output is set in depen-

dence of the adjusted detect dis-

tance.

Via the push-button, the detect dis-

tance and operating mode can be

adjusted (teach-in). Two LEDs indi-

cate operation and the state of the

switched output.

Safety Notes

 Read the operating instructions

prior to start-up.

 Connection, installation and

adjustment works may only be

carried out by expert personnel.

 No safety component in

accordance with the EU Machine

Directive

Proper use

zws ultrasonic sensors are used for

non-contact detection of objects.

Installation

 Mount the sensor at the installa-

tion site with the aid of the

enclosed mounting plate.

Maximum torque: 0,5 Nm

Fig. 1: Attachment with mounting plate

 Connect a connection cable to the

M8 device plug.

 Avoid mechanical load on the con-

nector.

Fig. 2: Pin assignment with view onto sensor

plug and colour coding of the

microsonic connection cable

Start-Up

 Connect the power supply.

 Carry out the adjustment

in accordance with the diagram.

Factory Setting

 Operation with one detect point

colour

-U

brown

blue

Sync

black

white

 Switched output on NOC

 Detect points at operating range

Operating modes

Three operating modes are available

for the switched output:

 Operation with one detect point

The switched output is set if the ob-

ject falls below the set detect point.

 Window mode

The switched output is set if the ob-

ject is within the set window mar-

gins.

 Two-way reflective barrier

The switched output is set if the ob-

ject is between sensor and reflector.

Synchronization

You can synchronize as many sensors

as you like.

 Apply a square-wave signal to the

sync-input with pulse width t

and

repetition rate t

(Fig. 3 and

technical data).

A high level on the sync-input will

deactivate the sensor.

Fig. 3: External synchronization signal

Checking operation mode

 In normal mode shortly press the

push-button.

The green LED stops shining for one

second, then it will show the current

operating mode:

1 x flashing = operation with one

switching point

2 x flashing = window mode

3 x flashing = reflective barrier

After a break of 3 s the green LED

shows the output function:

1 x flashing = NOC

2 x flashing = NCC

Maintenance

microsonic sensors are maintenance-

free. In case of excess caked-on dirt

we recommend cleaning the white

sensor surface

Sensor disabled Sensor disabled

Start

-U

Set switched output

Further settings

Microsonic zws-15/CD/QS - Manual

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