Salter Brecknell S122 Manuale utente

76104-180 Issue 0

*76104-180*

21.07.2004

ENGLISH

S122

Light Industrial Scale

User / Service Instructions

IMPORTANT

Before using the scale for the first time remove foam

packing from under the shroud.

1. Lift off weigh plate

2. Remove 4 x foam packaging block

3. Replace shroud

The information contained herein is the property of Salter Brecknell Limited and is

supplied without liability for errors or omissions. No part may be reproduced or used

except as authorized by contract or other written permission. The copyright and the

foregoing restriction on reproduction and use extend to all media in which the

information may be embodied.

S122 User / Service Instructions 4

Contents

page no.

1Warnings

1.1 Electrical installation 7

1.2 Risk of electric shock 7

1.3 Additional service precautions 7

1.4 Safe handling 8

1.5 ESD handling precautions 8

2 Introduction

2.1 Features 9

2.2 Keys 10

2.3Error messages 12

3 Using the scale

3.1 Zeroing the scale 15

3.2 Data entry keys 15

3.3 Selecting weighing or counting 16

3.4 Using the backlight (option) 16

3.5 Switching between kgs and lbs 16

3.6 Sampling 17

3.7 Counting 18

3.8 Totalizing 19

3.9 Recalling totals 19

3.10 Canceling totals 20

3.11 Checkweighing 21

3.11.1 Setting check-weighing limits

3.11.2 To set the lower limit

3.11.3 To set the higher limit

3.11.4 To set the alarm

5S122 User / Service Instructions

Contents

3.11.5 Limit indicators

3.12 Using tares 25

4 Installation/Maintenance

4.1 Connecting the column 28

4.2 Connecting the indicator 30

4.3 Opening the covers 31

4.4 RS232 PIN assignments 32

4.6 Replacing a load cell 33

5 Configuration Mode

5.1 Entering configuration mode 34

5.1.1 Service mode keys 35

5.2 Configuration menu 36

5.2.1 F6 - exiting configuration mode 37

5.3 F0 - weight calibration 38

5.4 F1 - specification settings 40

5.4.1 Keyboard check 40

5.5 F2 - noise filter setting 44

5.6 F3 - zero display setting 45

5.7 F4 - checkweighing function 46

5.8 F5 - print option 48

5.8.1 Printer outputs

5.8.2 RS232 interface specification

5.8.3 Data format

5.9 F6 - exiting configuration mode 55

5.10 F7 - displaying the internal count 55

5.11 F8 - setting the hold function 56

5.12 F9 - software lock 58

S122 User / Service Instructions 6

Contents

Wiring Diagrams

6.1 Power supply connections 58

6.2 Main board connections 59

6.3 Load cell connections 60

7Parts Lists

7.1 Illustrated part lists 61

7.2 Additional parts 62

1.1 Electrical installation 1 Warnings

7S122 User / Service Instructions

1 Warnings

1.1 Electrical installation

The power cord must be connected to a supply outlet with a

protective earth ground. The electrical supply at the socket

outlet must provide over current protection of an appropriate

rating.

Pluggable equipment must be installed near an easily

accessible socket outlet. Permanently connected equipment

must have a readily accessible disconnect device

incorporated in the fixed wiring.

For your protection all (110V or 230V) equipment used

out of doors or in wet or damp conditions should be supplied

from a correctly fused source and protected by an approved

RCD to BS7071 or BS7288 or BS4293. IF IN DOUBT SEEK

ADVICE FROM A QUALIFIED ELECTRICIAN.

1.2 Risk of electric shock

This equipment ispowered by ACvoltage which presents

an electric shock hazard.

Always completely disconnect the power supply:

●Before removing the scale covers

●Before performing any routine maintenance

●Before cleaning the scale

1.3 Additional service precautions

●When the covers are removed, do not apply power to the

unit unless specifically instructed to do in this handbook.

●When working on live equipment, exercise great care,

use insulated tools and test equipment, and do not work

alone.

8S122 User / Service Instructions

1 Warnings 1.4 Safe handling

●When testing or fault finding, exercise extreme care.

Ensure that any test equipment used is in good condition

and capable of with standing the existing voltages.

●All tools used must have insulated handgrips. Test probes

and jumper leads must be in good condition with

adequate insulation. Test probes with claw ends and

jumper leads must not have insecure parts that may fail

during use.

1.4 Safe handling

When lifting, moving or supporting the scale, take its

weight into consideration.

1.5 ESD handling precautions

When handling printed circuit boards and electronic

components, observe the following ESD handling

precautions:

●Wear an grouned antistatic wrist strap.

●Ensure that all electronic components/boards are stowed

appropriately, by use of conductive/antistatic work

surfaces and packaging.

1 Features 2 Introduction

S122 User / Service Instructions 9

2 Introduction

2.1 Features

1. High performance A/D converter.

●0.3µv/ sensitivity

●Sample speed 16 times / second

●Maximum resolution : 15000

●Non-linearity 0.01 % FS

●-1 mv ~ +5 mv

●Used range -1 mv ~ +14 mv

●Load cell excitation power 5VDC ±5% 100mA.

2. Adjustable noise filter setting for the range of stability

from 01 ~ 15.

3. Depending on the calibration division:

●Standard division (under 10000)

Capacity and weight must be calibrated.

●High precision division (over 10000 to 150000

divisions)

Linearity, capacity and weight must be calibrated.

4. Option with RS232 output .

5. Three options for the HOLD function.

6. AC / DC power supply.

7. LCD display.

8. Auto-power cut off to ensure performance stability.

Power is cut off automatically if the power is below the

low battery warning.

9. Built-in backlight.

10S122 User / Service Instructions

2 Introduction 2.2 Keys

2.2 Keys

Zero key. Remove any weight on the platform before

pressing the key.

Data entry key. Increments the value ofthe selected

digit.

Displays the backlight option.

Data entry key. Go to the next digit.

Resets all values on the current display to zero.

Selects units of measure.

Switches between kgs and lbs.

Selects counting mode.

Sample key. Displays the number of items in the

sample.

Totalize key. Displays the count number and total

weight each time you add a weight to the platform.

Remove the weight from the platform when finished.

Recall totals. Displays the count number and then

the total for a few seconds. To cancel totals press

whilethe count number or total is

displayed.

ZERO

ENTER

CLEAR ENTRY

COUNT

SAMPLE

RECALL

CLEAR ENTRY

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