Specification_SIPLACE_S23HM_eng - 第17页

16 Description When a batch change occurs, the changeover tables can be set up and checked at the external SIPLACE se t-up st ation quickly and without machine idle time. The costs for prod uction of a vast number of var…

Description

The component bar code scanner

enables a speedy, reliable set-up

and refill check. To this end the bar

codes of the tracks (on the track

scale on the feeder table) and the

components allocated to them (bar

code labels on tapes, Bulk Cases,

etc.) are read in with a hand scan-

ner. An audible and optical signal

acknowledges a successful read-

ing operation. If a label is dam-

aged, the bar code can also be en-

tered at the keyboard.

The allocation of the components

to their respective track is de-

scribed in the set-up data. If the

data received from the bar code

scanner does not correspond with

the set-up data, an error message

is displayed.

If the set-up check is switched on,

it becomes a mandatory step in

the set-up process. If it is switched

off, the set-up check is optional.

Component Supply:

Component Bar Code Scanner for Set-Up and Refill Check

(Option)

Component

Control

Set-Up File

Track Bar Code

Scanner

Technical Data

Connection Station computer

Data entry Bar code scanner or keyboard

Number of characters max. 40

Restrictions Bar codes beginning with number 1 or 2

or with less than 5 characters

Number of bar codes max. 6 per component

Number of filters to blank out

data max. 1 per bar code

Preset types of codes Code 39 (standard or full ASCII),

Code 2 from 5 interleaved and normal,

Code 128, UPC/EAN/JAN codes

(more upon request)

The scanner checks the corresponding track and the components.

Component

Bar Code

Description

When a batch change occurs, the

changeover tables can be set up

and checked at the external

SIPLACE set-up station quickly and

without machine idle time. The

costs for production of a vast

number of variants are greatly re-

duced. When a bar code check is

conducted outside the machine,

10 minutes of machine idle time

are eliminated per set-up change.

Access to all current set-up data

from as many as 4 lines exists via

a link to a Local Area Network

(LAN) for the line computer.

Two component changeover ta-

bles belong to the standard

equipment of an SIPLACE

S-23 HM. Additional component

changeover tables are required for

optimal use of the set-up station.

Component Supply:

External SIPLACE Set-Up Station (Option)

Example for SIPLACE Set-Up Station

PC for External

Set-Up

LAN Scanner

Serial Interface

Line Computer

Line

LAN

Accessories

Operating system Windows NT 4.0

Set-up check Using bar code scanner

Time required:

Component table change 2 min / table side

Tape Reel

with

Bar Code

Changeover

Table

Component Changeover Tables

Target Low

Structure Correlation

Description

With the SIPLACE S-23 HM, sev-

eral vision modules with a central

vision system to analyze recorded

image data ensure high placement

precision.

At one of the machine’s two X-

gantries the PCB vision module

recognizes offsets in the position

of the PCB in the conveyor sys-

tem. The modules are also re-

quired to scan the machine or the

feeders on one side of the table.

Each vision module consists of a

CCD camera with integrated light-

ing and optics.

The offsets in PCB position are de-

termined with the help of at least

two - but generally three - refer-

ence marks on the PCB. When the

PCB arrives, the gantry with its

PCB vision module moves to the

programmed mark position. The

vision system compares the re-

corded video image with the sam-

ple stored in the PCB description.

By applying the correlation princi-

ple the vision system can deter-

mine the correct position through

comparisons with programmed

target structures even when refer-

ence marks are incomplete or

damaged (actual structures).

The shapes are not inviolably

specified; they can be taught with-

out restrictions.

Additional functions of the PCB vi-

sion module are the position rec-

ognition of the feeders and ce-

ramic substrates (optional) and the

calculation of processing data in-

cluding mapping.

In addition, recognition of faulty

PCBs is conducted via ”ink spots”

with the aid of the PCB vision

module.

Vision Sensor Technology:

PCB Vision Module

Technical Data

Reference marks

Local marks

Library memory

Recognition of poor panels

up to 3 (subpanels and multiple panels)

up to 2 per component

(may be of different type)

up to 255 types of reference marks

per subpanel

Image analysis Correlation principle

based on gray-scale values

Lighting method Front lighting

Recognition time

mark/ink spot

0.8 s

Camera’s field of view 5.7 x 5.7 mm

Correlation Principle

Actual High

Structure Correlation