Microsonic esp-4-3CDD-M18 E+S User Manual

Operating Instructions

Ultrasonic label ans splice sensor with 2 switched outputs

esp-4/3CDD/M18 E+S esp-4/3BEE/M18 E+S esp-4/M12/3CDD/M18 E+S esp-4/M12/3BEE/M18 E+S

Functional principle

With a rapid pulse sequence, an ultrasonic transmitter beams upwards against the backing material. The effect of the sound pulses inducing the backing material to vibrate is for a markedly weakened sonic wave to be emitted on the opposite side. The receiver receives this sonic wave and analyses it. The backing material signal level is different to that of the label or splice. And this difference in signal is analysed by the esp-4. The difference between backing material and label and/or between sheeting and splice can be very slight indeed. To ensure certainty with the difference, teachin for the esp-4 sensor must firstly revolver around the signal level for the backing material/sheeting. The esp-4 sensors can be used as a label and splice sensor. The 3 teachin methods permit the esp-4 sensor to be optimally set for each and every assignment.

Ultrasonic sensors

Product description

■ Assured detection of labels made of paper, metal or (transparent) plastic.

■ Detection of splices of paper web, plastic web or metal web.

■ Label/splice and web break output as pnp or npn switched outputs.

■ Scanning of material weights from <60 g/m2 to >>600 g/m2; sheet metals and plastic films up to 0,6 mm thickness.

■ 3 Teach-in modes.

■ Synchronisation.

■ Parametrization via LinkControl.

■ Response time of 300 µs until

lable/splice is detected.

■ Transmitter - receiver spacing can be selected from 20 to 40 mm

Safety tips

■ Read the operating instructions before start-up.

■ Only qualified personnel are to undertake connection, mounting and settings.

■ Not a safety component in keeping with the EC Machinery Directive.

Mounting

▸ Mount transmitter and receiver in

keeping with Fig 1 at the recommended spacing of 40 mm ± 3 mm (or 20 mm ± 2 mm with esp-4/M12/...E+S). esp-4 can be fitted at any position.

▸ Connect the transmitter to the

receiver using the M8 connector.

▸ Connect the receiver 7-strand

control line in keeping with Fig 2.

Fig. 2: Colour coding of the control line

Pointer

■ The coaxiality of transmitter and receiver must be ≤ 0.5 mm.

■ Transmitter and receiver are not to be inclined to each other in excess of 2°.

■ In case of thicker plastic films the esp-4 is to be mounted at a 27° inclination to sheet normal (Fig. 1b).

■ Other materials may make a special fitting position necessary. Do contact microsonic when you work with these special materials.

■ The max. torque of the nuts is 15 Nm for the M18 and 8 Nm for the M12 sleeves respectively.

■ The drill hole must be ≥ 12 mm given that the transmitter is recess-mounted or a sheet feed is envisaged between transmitter and receiver.

■ The line between transmitter and receiver is not to be bridged with an external potential.

Start-up

▸ For normal opperation mode leave

all the 3 control inputs unconnected (see Figs 3 and 4).

▸ Switch on the esp-4 voltage sup-

ply.

Fig. 3: Function of control inputs

-U

Colour

Brown

Blue

lable/splice output D1 web break output D2

control input C1 control input C2

White Black Violet Pink

control input C3 Grey

Input

C1 C2

Function

Teach-in Automatic tracking on/off

C3 Synchronization/communication

1) C3 must not be connected to -U

Fig. 4: Assignment of control inputs

Teach-in

Teach-in is carried out via contol input C1. There are 3 Teach-in methods:

■ Dynamic teach-in of backing material and label

■ Separate teach-in for backing material and labels

■ Teach-in only for sheeting

▸ Place the web material between

transmitter and receiver of the esp-4 and carry out one of the 3 Teach-in methods.

Pointer

■ During Teach-in the control input C2 has to be left unconnected or connected to -UB and C3 has to be unconnected.

Operation

The esp-4 performs measurements cyclically and depending on the measurement result it sets the two switched outputs. The automatic tracking can be put on/off during runnig operation. The conditions of LED 1 and 2 are shown in Fig. 6.

Fig. 5: Voltage level of the logic states at

the control inputs

Mode

normal operation

Teach-in

C1 C2

open

or -U

See »Te-

ach-in

modes«

open

or -U

open

or -U

open

automatic tracking

sychronization

automatic tracking and synchronization

open

or -U

open

or -U

open

or -U

open

or -U

open

C3 con-

nected

with each

other

C3 con-

nected

with each

other

Logical state

Voltage level

pnp

-U

npn

+UB-U

Fig. 6: LED displays

Factory setting

The esp-4 are delivered with the following factory settings:

■ Output label/splice output D1 on NOC.

■ Output D2 on fuction web break.

■ Ouput web break on NOC.

■ 40 or 20 mm spacing.

■ Operation mode on automatic

tracking on/off via input C2.

Automatic tracking

After a Teach-in the esp-4 can track the working point automatically. In this way variations in the material to be scanned and fluctuation in the ambient temperature can be compensated. Via control input C2 the automatic tracking can be put on and off.

Condition

operation

backing material

LED 1 LED 2

Green

label/splice

web break

Teach-in

Teach-in dismissed

Red

Green

Red flashing

See »Teach-in methods«

Green Red flashing

Synchronization

If two or more esp-4 shall work close together they may influence one another. To avoid this the esp-4 can be synchronized. To do this all contol inputs C3 have to be connected with each other.

Parameterization with LinkControl

The esp-4 can be extensively parameterized under LinkControl. Here you need the optionally available LinkControl adapter LCA-2 and the LinkControl software for Windows©.

Operation onto LinkControl

▸ Install the LinkControl software

onto your PC. Connect the LinkControl adapter to your PC with the USB cable.

▸ Connect esp-4 to the LCA-2 in

keeping with the Fig 7 table. For this, use the adapter cable in the LCA-2 case.

▸ Connect the voltage supply cable

to the LCA-2 on the other side of the T connector.

▸ Start the LinkControl software and

follow the instructions on the screen.

Fig. 1: Mounting and installation positions

Fig. 7: Connecting dbk+4 to the LCA-2

+UB-U

Colour esp4

Colour adapter cable

Brown

Blue

Brown

Blue

1 3

C3/Com Grey Grey 5

Teach-in methods

Teach-in label dynamic

Place backing material with label between transmitter

and receiver.

Teach-in label static

a) Place only backing material between

transmitter and receiver.

Teach-in only for sheeting

(splice sensor)

Place web material between transmitter

and receiver.

Place control input C1 on logic 1 for 3 s until both LED

flash mutualy.

Pull backing material with labels among transmitter

and receiver with constant speed.

both LED flash green simultaneously

Place control input C1 on logic 1 for 1 s.

one LED flashes green briefly, one LED is static green

one LED is static green, one LED flashes green

Place control input C1 on logic 1 for 6 s until

one LED turns off and one LED is on.

Pull only backing material among transmitter

and receiver.

one LED flashes green, one LED is static green

Place control input C1 on logic 1 for 1 s.

b) Place backing material with label between

transmitter and receiver.

one LED flashes green briefly, one LED is static green

one LED is static green, one LED flashes green

Place control input C1 on logic 1 for 9 s until

both LEDs turn off.

Pull web material among transmitter

and receiver.

one LED flashes green briefly, one LED is static green

Place control input C1 on logic 1 for 1 s.

one LED flashes green briefly, one LED is static green

one LED is static green, one LED flashes green

Normal operation

Place control input C1 on logic 1 for 1 s.

Move backing material with label between

transmitter and receiver.

one LED flashes green briefly, one LED is static red

one LED flashes green, one LED is static green

Place control input C1 on logic 1 for 1 s.

one LED flashes green briefly, one LED is static green

one LED flashes green, one LED is static green

The following settings can be undertaken:

■ Teach-in of web or label material.

■ Spacing between transmitter and

receiver.

■ NOC/NCC function of the

switched outputs.

■ Function of switched output D2.

some isopropanol onto a cotton cloth and then wipe the surface

clean. Make sure that the reaction Also available is a diagrammatic representation of the readings.

time of the cleaner is kept down.

That means quickly wiping dry the

transducer surfaces.

Maintenance

No maintenance is need on the esp-

4. We would recommend cleaning the sensor surfaces at the transmitter and receiver should they become very dirty. The best thing is to apply

2004/108/EC

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