Salter Brecknell S122 User/Service Instructions
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Salter Brecknell S122 User/Service Instructions

Light industrial scale
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S122
Light Industrial Scale
User / Service Instructions
ENGLISH
7 6 1 0 4 - 1 8 0
76104-180 Issue 0
21.07.2004

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  • Page 1 S122 Light Industrial Scale User / Service Instructions ENGLISH 7 6 1 0 4 - 1 8 0 76104-180 Issue 0 21.07.2004...
  • Page 2 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 blocks 3. Replace shroud...
  • Page 3 ©Salter Brecknell 2005. All rights reserved. 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.

  • Page 4: Table Of Contents

    Switching between kgs and lbs Sampling Counting Totalizing Recalling totals 3.10 Canceling totals 3.11 Checkweighing 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 S122 User / Service Instructions...
  • Page 5 F5 - print option 5.8.1 Printer outputs 5.8.2 RS232 interface specification 5.8.3 Data format F6 - exiting configuration mode 5.10 F7 - displaying the internal count 5.11 F8 - setting the hold function 5.12 F9 - software lock S122 User / Service Instructions...
  • Page 6 Contents Wiring Diagrams Power supply connections Main board connections Load cell connections Parts Lists Illustrated part lists Additional parts S122 User / Service Instructions...

  • Page 7: Warnings

    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. S122 User / Service Instructions...

  • Page 8: Safe Handling

    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. S122 User / Service Instructions...

  • Page 9: Introduction

    Three options for the HOLD function. AC / DC power supply. LCD display. Auto-power cut off to ensure performance stability. Power is cut off automatically if the power is below the low battery warning. Built-in backlight. S122 User / Service Instructions...

  • Page 10: Keys

    Remove the weight from the platform when finished. RECALL Recall totals. Displays the count number and then the total for a few seconds. To cancel totals press CLEAR ENTRY while the count number or total is displayed. S122 User / Service Instructions...
  • Page 11 To view a tare press followed by the tare key. To cancel a tare remove the container and press the tare key. To cancel a preset CLEAR ENTRY tare press while the tare is displayed. S122 User / Service Instructions...

  • Page 12: Error Messages

    10,000. The weight is greater than the capacity of the scale. Temporary error. Remove any weight from the platform, switch off and then on again. If this error persists, contact your authorized service agent. S122 User / Service Instructions...

  • Page 13: Switching On The Scale

    Using batteries You can either use the internal rechargeable battery or use 6 size ’D’ cell batteries (alkaline batteries are recommended). Use the battery switch to select either the internal battery or the ’D’ cells. S122 User / Service Instructions...
  • Page 14 3 month intervals. Disposing of the scale. The scale contains a lead-acid battery. When disposing of the machine, you should take it to an appropriate recycling facility. S122 User / Service Instructions...

  • Page 15: Zeroing The Scale

    Whenever you need to enter values when setting totalizing, check weighing or pre-set tares, use the following keys: Increments the value of the selected digit. ENTER Go to the next digit. CLEAR ENTRY Restore all settings on the current display to zero. S122 User / Service Instructions...

  • Page 16: Selecting Weighing Or Counting

    L . A U t O If set to automatic, the backlight comes on automatically when the indicator is being used. A backlight may not be available on some scale. Switching between lbs and kgs S122 User / Service Instructions...

  • Page 17: Sampling

    Unit weight too small SAMPLE PIECE WEIGHT 1 0 0 COUNT S122 User / Service Instructions...

  • Page 18: Counting

    1 0 0 COUNT Counting Select either weighing or counting mode: COUNT Counting mode Weighing mode If you select counting mode and no sample size has been set you will be prompted to sample some items. S122 User / Service Instructions...

  • Page 19: Totalizing

    Remove the weight from the platform when finished. Recalling totals The count number and then the total will each be displayed for a few seconds before returning to the current display. RECALL 0 0 0 4 2 0 4 3 S122 User / Service Instructions...

  • Page 20: Canceling Totals

    3 Using the scale 3.10 Canceling totals 3.10 Canceling totals Press the clear key while the count number or total is displayed. RECALL CLEAR ENTRY S122 User / Service Instructions...

  • Page 21: Checkweighing

    Weighing mode If you select counting mode and no sample size has been set you will be prompted to sample some items. Display sample number Place sample items on the platform SAMPLE 1 0 0 COUNT S122 User / Service Instructions...

  • Page 22: 3.11.2 To Set The Lower Limit

    Example: 50 items TARGET - - - - L To move along the display: ENTER 4 times To change the displayed value: 5 times To move along the display: ENTER twice To enter the lower limit: ENTER S122 User / Service Instructions...

  • Page 23: 3.11.3 To Set The Higher Limit

    3.11.3 To set the higher limit Example: 1000 items To move along the display: ENTER - - H - - H twice To change the displayed value: 4 times To enter the higher limit: ENTER S122 User / Service Instructions...

  • Page 24: 3.11.4 To Set The Alarm

    The weight/number of items is below the lower limit. The weight/number of items is between the upper and lower limit. The weight/number of items is above the upper limit. HIGH S122 User / Service Instructions...

  • Page 25: Using Tares

    Using tares If you select counting mode and no sample size has been set you will be prompted to sample some items. Creating a tare Viewing a tare Canceling a tare S122 User / Service Instructions...
  • Page 26 Creating a preset tare Example: 1lb Reviewing a pre-set tare value S122 User / Service Instructions...
  • Page 27 Canceling a pre-set tare S122 User / Service Instructions...

  • Page 28: Installation/Maintenance

    Fasten the column to the platform using the Allen key B provided. Remove the knob C from the bracket D and slide the hinge apart slightly so that the plug can be threaded through the center of the bracket. Reassemble the bracket. S122 User / Service Instructions...
  • Page 29 Fasten the bracket to the column. Make sure that the clamp is at the back of the scale. For legal for trade scales in US territory the scale must be sealed in the following manner. S122 User / Service Instructions...

  • Page 30: Connecting The Indicator

    To adjust the angle of the indicator, loosen the knob A and move the indicator until it clicks into the required position. To remove the indicator, disconnect, then press the release catch B and carefully slide the indicator off the platform. S122 User / Service Instructions...

  • Page 31: Opening The Covers

    You do not need to disconnect any of the wiring. To set up the PIN connections for RS232 communications, see section 4.4. Reassemble the covers replacing the screws. Replace the indicator onto the column. S122 User / Service Instructions...

  • Page 32: Rs232 Pin Assignments

    J1 and J3 SHORT; J2 and J4 OPEN (default) PIN 2 PIN 3 PIN 7 Other pins are not used. J2 and J4 SHORT; J1 and J3 OPEN PIN 2 PIN 3 PIN 7 Other pins are not used. S122 User / Service Instructions...

  • Page 33: Replacing A Load Cell

    11. Remove the load cell. Desolder the plug and retain. To replace the load cell, reverse the above procedure and resolder the plug if necessary. Torque settings for all bolts to the load cell are: 440 pound-force. S122 User / Service Instructions...

  • Page 34: Configuration Mode

    The switch is located under the tamper proof seal above the serial communication socket on the right-hand side of the head. Locked position Unlocked position Set the configuration switch to the unlocked position. S122 User / Service Instructions...

  • Page 35: Service Mode Keys

    Accept the entered values and go to the next section. CLEAR ENTRY Cancel all values for the current display. ENTER Go to the next digit or field. Increment the value of the current (usually flashing) digit. ZERO Go to previous digit S122 User / Service Instructions...

  • Page 36: Configuration Menu

    Noise filter setting Page 45 Zero display setting Page 46 Check-weighing settings Page 48 Print option Page 37 Exit configuration mode Page 55 Display internal value TARE Page 56 HOLD function Page 58 Software lock S122 User / Service Instructions...

  • Page 37: F6 - Exiting Configuration Mode

    5 Configuration Mode 5.2 Configuration menu 5.2.1 F6 - exiting configuration mode Remember to set the configuration switch back to the locked position. TARE ENTER Set the configuration switch to the locked position. S122 User / Service Instructions...

  • Page 38: F0 - Weight Calibration

    - - . - - C New unit of calibration To change the flashing digit: 1 - - . - - C To go to the next digit: ENTER 1 - . - - C S122 User / Service Instructions...
  • Page 39 Repeat to enter the calibration weight. For example, to enter 30 lb: ENTER twice 3 times ENTER 3 times ENTER Place the calibration weight on the platform. Press the enter key. ENTER Remove the calibration weight. S122 User / Service Instructions...

  • Page 40: F1 - Specification Settings

    You cannot check ENTER key as it takes you to the next step. Function key Code Function key Code RECALL COUNT PRESET TARE CLEAR ENTRY ZERO TARGET TARE SAMPLE S122 User / Service Instructions...
  • Page 41 1 7 S E t ENTER 2 7 3 2 7 Internal count 3 2 7 If there is an error 3 2 7 you will see ... Internal count less than 240,000 Internal count more than 360,000 S122 User / Service Instructions...
  • Page 42 Example: 210010 21 = dual units lb and kg digit 4 = kg displayed digit 5 = lb, oz displayed Must be 0 lb primary unit lb, oz displayed S122 User / Service Instructions...
  • Page 43 330lbx0.10lb 003309 660lbx0.20lb 066010 ZERO ENTER Press enter the weight settings: digit 1 = divisions (1, 2, or 5) Divisions=0.05lb digit 2 = decimal places (1, 2, or 3) digits 3 - 6 = 0 ZERO S122 User / Service Instructions...

  • Page 44: F2 - Noise Filter Setting

    If the environment is stable enter the value 05. This is the default value. Ensure the hold function (F8) is set to hold 0. twice ENTER f i L To change the value: f i L ENTER S122 User / Service Instructions...

  • Page 45: F3 - Zero Display Setting

    4 = zero display reading within 1 division 4 divisions 2 = zero display reading within 5 = zero display reading within 2 divisions 5 divisions To change the value: 2 E r o 1 ENTER S122 User / Service Instructions...

  • Page 46: F4 - Checkweighing Function

    To cancel the high/low limits and alarm setting: ENTER 5 times ENTER ENTER low limit = 2lb Press to enter the required low limit: Low limit > 10 divisions ENTER - - . - - H S122 User / Service Instructions...
  • Page 47 2 = Under or equal to low limit beeps and LCD on (must be over 10d) and over or equal to high limit, beeps LCD indication HIGH ENTER 01 = Beep between targets Press enter the required alarm setting: ENTER S122 User / Service Instructions...

  • Page 48: F5 - Print Option

    3 Simple printing for serial printer. Press to print. ENTER 4 Full printing for serial printer. Press to print. 5 Stable printing (accumulation). ENTER 6 Full printing for EZ-2 printer. Press to print. ENTER 7 EZ-2 printer. Press to print. S122 User / Service Instructions...
  • Page 49 To change the printer setting: Example EZ-2 printer 7 times ENTER Default baud rate Display the setting required by Baud rate options are: the EZ-2 printer: 1200, 2400, 4800, 9600 3 times New baud rate ENTER S122 User / Service Instructions...

  • Page 50: Printer Outputs

    5.8 F5 - print option 5 Configuration Mode 5.8.1 Printer outputs The S122 can be connected to a computer running a suitable application or a 40 column printer, see the typical outputs below. n P 1 ST,NT,+ 1.000lb PC stable transmit ST,NT,+ 1.000lb...
  • Page 51 To transmit each transaction 1.000lb to the printer: 0.000lb 1.000lb ENTER TICKET NO.0002 2.000lb 0.000lb 2.000lb To transmit the total to TICKET NO.0003 the printer: 2.000lb 1.000lb ENTER ENTER 2.000lb TOTAL NUMBER OF TICKETS 0003 TOTAL 4.000lb S122 User / Service Instructions...
  • Page 52 Full mode for EZ-2 printer TICKET NO.0001 1.000lb To transmit each transaction to the 0.000lb printer: 10152 1.000lb ENTER TICKET NO.0002 1.000lb 0.000lb 10152 1.000lb TICKET NO.0003 To transmit the total to 2.000lb the printer: 0.000lb ENTER ENTER 2.000lb S122 User / Service Instructions...

  • Page 53: Rs232 Interface Specification

    I. Mode : EIA-RS0232 C’s UART signal II. Format: Baud rate Can select 1200, 2400, 4800, 9600 BPS Data bit 8 bits Parity bit None Stop bit 1 bit Code ASCII Stop bit Start bit Data bits S122 User / Service Instructions...

  • Page 54: Data Format

    2E (HEX)= " . " (decimal point) Unit (2 bytes) =6B (HEX) ; 67 (HEX) =6C (HEX) ; 62 (HEX) Example 1: +0.876kg stable weight and net value Example 2: -1.568lb unstable weight and net value S122 User / Service Instructions...

  • Page 55: F6 - Exiting Configuration Mode

    F6 - exiting configuration mode See page 37 . 5.10 F7 - displaying the internal count Ensure the hold function (F8) is set to hold 0. 7 times ENTER 2 7 3 2 7 Internal count ENTER S122 User / Service Instructions...

  • Page 56: F8 - Setting The Hold Function

    Press any key other than clear the hold. Hold 3 When the weight becomes stable the scale automatically holds the displayed value. The hold clears when the weight is removed and the machine returns to zero weight. S122 User / Service Instructions...
  • Page 57 5 Configuration Mode 5.11 F8 - setting the hold function 8 times ENTER h o 1 d To change the hold setting: h o 1 d ENTER S122 User / Service Instructions...

  • Page 58: F9 - Software Lock

    Observe all precautions for handling electrostatic discharge sensitive devices. Power supply connections Battery Black 'D' cell batteries selector switch AC Power in socket Internal rechargeable battery On/off Switch = 0.1µFCapacitor To mainboard Note: All connections are soldered. S122 User / Service Instructions...

  • Page 59: Main Board Connections

    6.2 Wiring Diagrams 6.2 Main board connections Main board connections S122 User / Service Instructions...

  • Page 60: Load Cell Connections

    6.3 Load cell connections 6.3 Wiring Diagrams Load cell connections Shield S122 User / Service Instructions...

  • Page 61: Parts Lists

    Illustrated part lists User / s e r v i c e Ins t r u c t i ons 76103-986 Shroud 14.5x20.5 in 17.3x23.6 in Load Bridge 14.5x20.5 in 17.3x23.6 in 14.5x20.5 in 17.3x23.6 in S122 User / Service Instructions...

  • Page 62: Additional Parts

    Load cell connector - male 6-way 1240001061 Load cell connector - female - 5-way 1240001050 Load cell connector - female - 6-way (approved) 1240001060 Keyboard KB4T1A0A2000 Keyboard overlay 1220355122 Power adaptor - USA 110 1140780136 S122 User / Service Instructions...
  • Page 63 The address of your Salter Brecknell center is This document contains a general guide only of the product and shall not form part of any contract unless specifically agreed by Salter Brecknell Weighing in writing in each case on the Order Acknowledgement. The specification of the products described herein may vary from time to time and may be altered without notice.

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