Metrologic TECH 7 Manual de usuario

METROLOGIC®INSTRUMENTS, INC.

TECH 7®Laser Bar Code

Projection Scanner

Installation and User’s Guide

work may be reproduced, transmitted, or stored in any form or by any means

without prior written consent, except by reviewer, who may quote brief pas-

sages in a review, or provided for in the Copyright Act of 1976.

Products and brand names mentioned in this document are trademarks of

their respective companies.

Table of Contents

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Unpacking List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Scanner Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Configuration to the Host System . . . . . . . . . . . . . . . . . . . . . . . . .3

Stand Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Back Plate Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Parts of Scanner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Visual Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Depth of Scan Field for the MS770 Scanner . . . . . . . . . . . . . . . .12

Depth of Field for the MS775 Scanner . . . . . . . . . . . . . . . . . . . .13

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Applications and Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Appendix A

Specifications

Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Operational . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Appendix B

Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Appendix C

Warranty and Disclaimer . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Appendix D

Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Appendix E

Patents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Introduction

Metrologic's TECH 7®laser bar code projection scanner is encased in

an NEMA-12 steel case. The case construction enables the scanner

to operate in harsh surroundings, especially industrial environments.

Water-resistant, shock-resistant, and rugged, the TECH 7 is also fast,

aggressive and reliable. It can register bar codes at a range of

76mm - 254mm (3" - 10") and can autodiscriminate among all

common codes.

To suit particular applications, two different scan patterns are

available: an omnidirectional pattern of 20 interlocking lines (Model

MS770); or a 12-line raster pattern (Model MS775). The scanner has

a VLD design, a scan speed of up to 2000 lines per second, and uses

less than 8 watts of power.

Other features include an Application Specific Integrated Circuit

(ASIC) and MECCA©(Metrologic Enhanced Code Correcting

Algorithm). An Application Specific Integrated Circuit (ASIC) is in the

decoding system and virtually eliminates misreads. MECCA©

(Metrologic Enhanced Code Correcting Algorithm) enables the TECH

7 scanner to read poorly printed, wrinkled or even torn bar codes on

the first pass.

Unpacking List

The shipping carton, should contain the following:

zInstallation and User's Guide (MLPN: 2159)

zScanSelect™ Scanner Programming Guide (MLPN: 2186)

zTECH 7 Model MS770 with omnidirectional scan pattern or

TECH 7 Model MS775 with raster scan pattern

zCommunication Cable with Power Supply (optional) or

Communication Cable (optional)

zBack Plate (optional) or Stand (optional)

If any item is missing or to order additional items, contact the dealer,

distributor or call Metrologic's Customer Service Department at

1-800-ID-METRO or 1-800-436-3876.

Scanner Installation

To maintain compliance with applicable standards, all circuits con-

nected to the scanner must meet the requirements for SELV (Safety

Extra Low Voltage) according to EN 60950. To avoid potential prob-

lems, do not power up the scanner until the communication cable

is secured to the host.

1. "Power off" the host system.

2. Locate the 19-pin female end of the scanner link cable and

find the widest key located above pins L and A. Align this key

with the corresponding key on the scanner box's Mil spec

connector. While pushing in on the connector, rotate the ring

clockwise until it locks into place with a click.

3. Connect the other end of the communication cable to the host

device.

Note: The following statement is applicable if the optional

power adapter available through Metrologic does not power

the bar code scanner and the scanner receives power from a

host device such as a computer system.

Caution: To maintain compliance with standards CSA

C22.2 No. 950/UL 1950 and norm EN 60950, the

power source must meet applicable performance

requirements for a limited power source.

If the scanner is powered by the host, skip to Step 5.

4. Check the AC input requirements of the transformer/power

supply to make sure the voltage matches an available AC

outlet. A socket-outlet must be installed near the

equipment and be easily accessible. Plug the transformer into

the AC outlet to supply power to the scanner.

5. "Power up" the host system.

Note: When the scanner first receives power, the LEDs will

flash and then the scanner will beep once. After the scanner

performs this startup sequence, the green LED will remain on

for a specified time indicating that the laser is on.

Configuration to the Host System

The scanner is shipped from the factory programmed to a set of

default conditions noted in the ScanSelect™ Scanner Programming

Guide by an asterisk that appears before the brief definition located

next to the bar code.

In order for the scanner to communicate with a host system properly, it

may need to be programmed. Since each host system is unique, con-

figure the scanner to match the host system requirements. Configure

the scanner by entering the program mode and scanning the appro-

priate bar codes that appear in the ScanSelect Scanner Programming

Guide. (To use ScanSet®, refer to the ScanSet documentation for

information on how to configure a scanner.)

1. Connect the scanner to the host system (Refer to the Scanner

Connections to the Host section in this guide).

2. Enter program mode by scanning the ENTER/EXIT program

mode bar code. The unit will beep three times

3. Scan the appropriate bar code(s) that appear in the

ScanSelect Scanner Programming Guide. Reveal only one

bar code to the scanner each time. With your hand, cover the

bar code not to be scanned.

4. Exit program mode by scanning the ENTER/EXIT program

mode bar code again. The new options will be saved and the

scanner is ready for normal operation.

Stand Installation

With the Metrologic stand (Part #45475), the scanner can be posi-

tioned in one of two directions. The two orientation choices are vertical

or horizontal. (Refer to Figure 1)

To install this stand, use the four 6-32 x ½ inch machine screws and

two #10 pan head wood screws.

1. Drill two holes into the work

surface that are the same size

and distance as the holes on

the stand base. (Refer to

Figure 2)

2. Use the two #10 pan head

wood screws to attach the

stand to the work surface.

3. To fasten the scanner:

zFor a horizontal mount,

align the four holes on the

back of the scanner with

the four clearance holes

located on the stand

marked with an X in Figure 3.

zFor a vertical mount,

align the four holes on

the back of the scanner

with the four clearance

holes located on the stand

marked with a Y in Figure 3.

4. Fasten the scanner to the stand by inserting the four 6-32 x ½

inch screws into the four holes in the scanner's case.

Horizontal Mount

Vertical Mount

Figure 1: Stand Orientation

3.00 in

1.00 in

1.50 in

Figure 2: Base of Stand

Figure 3: Back View of Stand

X = Holes for Horizontal Mount

Y = Holes for Vertical Mount

XXY

Back Plate Installation

With the Metrologic back plate

(Part #45473), position the scanner

in one of two directions. The two

orientation choices are vertical or

horizontal. (Refer to Figure 4). To

use this stand, use the four

6-32 x ½ inch machine screws and

four wood screws to attach the unit

to the back plate and work surface.

The maximum distance the screws

should go into the scanner is a ½ inch.

1. Drill four holes into the work surface that correspond with the

holes indicated by an XY in Figure 5.

2. To fasten the scanner to the back plate:

zFor a horizontal mount, align the four holes on the back of

the scanner with the four clearance holes located on the

back plate marked with an X in Figure 5.

zFor a vertical mount, align the four holes on the back of

the scanner with the four clearance holes located on the

back plate marked with a Y in Figure 5.

3. Fasten the scanner to the back plate by inserting the four

6-32 x ½ inch screws into the four holes in the scanner's case.

Fasten the scanner and back plate to the work surface.

Vertical Mount

Horizontal Mount

Figure 4: Back Plate Orientation

YX Y X

X = Scanner Horizontal Mount

Y = Scanner Vertical Mount

XY = Back Plate Mounting

Figure 5: Back Plate Hole Pattern

Parts of Scanner

1 Green and Red LEDs

When the green LED is on, this indicates that the unit is

receiving power and the laser is on. When the red LED

flashes on, the scanner has read a bar code successfully.

When the red light turns off, communication to the host is

complete.

2 Speaker

The speaker emits a beep when a bar code has been

decoded.

3 Laser Output Window

This aperture emits the laser light.

4 Mil spec Connector

The 19-pin male Mil spec connector was designed to connect

a communication cable from the scanner to a host device.

The communication cable may include a power supply or it

may be designed to draw power directly from the host device.

The standard TECH 7 has one connector. (When the atrium

option is installed, a second connector is installed on the unit

to connect the MX001 Industrial Control Interface box.)

Figure 6: Scanner Parts

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