Salter Brecknell S122 User/service Instructions

Other manuals for S122: User/service Instructions
Manual is about: Light Industrial Scale

Summary of S122

  • Page 1

    76104-180 issue 0 *76104-180* 21.07.2004 english s122 light industrial scale user / s ervice instructions.

  • Page 2: Important

    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 200 5 . 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 authori z ed by contract or other written permission. The copyright and ...

  • Page 4: Warnings

    S122 user / service instructions 4 contents page no. 1 warnings 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. 3 error messages 12 3 using the scale 3.1 ze...

  • Page 5: Installation/maintenance

    5 s122 user / service instructions contents 3.11.5 limit indicators 3.12 using tares 2 5 4 installation/maintenance 4.1 connecting the column 2 8 4.2 connecting the indicator 3 0 4.3 opening the covers 3 1 4.4 rs232 pin assignments 3 2 4.6 replacing a load cell 3 3 5 configuration mode 5.1 entering ...

  • Page 6: Wiring Dia

    S122 user / service instructions 6 contents wiring dia grams 6 .1 power supply connections 58 6 .2 main board connections 59 6 .3 load cell connections 60 7 parts lists 7 .1 illustrated part lists 61 7 .2 additional parts 62.

  • Page 7: Warnings

    1.1 electrical installation 1 warnings 7 s122 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 rati...

  • Page 8: 1.4

    8 s122 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 ...

  • Page 9: Introduction

    1 features 2 introduction s122 user / service instructions 9 2 introduction 2.1 features 1. High performance a/d converter. ● 0.3 µ v/ 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 excitatio...

  • Page 10: 2.2

    10 s122 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 of the selected digit. Displays the backlight option. Data entry key. Go to the next digit. Resets all values on the current ...

  • Page 11

    2.2 keys 2 introduction s122 user / service instructions 11 sets checkweighing limits and beep option when in counting mode. Tares off the displayed weight of a container. Enables you to enter a tare value when no weight is on the platform. To view a tare press followed by the tare key. To cancel a ...

  • Page 12: Error Messages

    2. 3 error messages 2 introduction s122 user / service instructions 12 2. 3 error messages e1 when the scale is switched on, the weight on the platform is above or greater than the automatic zero range (greater than 10% of the capacity of the scale). Make sure that there is no weight on the platform...

  • Page 13

    Connecting to the ac power supply. Make sure that there is no weight on the platform before switching on. Plug the power supply lead into the scale. Make sure that the battery switch is set to the internal battery. When the scale is connected to the ac power supply you will see a red, yellow or gree...

  • Page 14

    When this symbol flashes, you should either replace the ‘d’ cell batteries or recharge the internal battery. Do not leave discharged batteries in the scale, as they may leak and cause serious damage. Do not store the machine with 'd' cell batteries in the battery compartment. Recharging the internal...

  • Page 15: Using The

    3.1 zeroing the scale 3 using the scale s122 user / service instructions 15 3 using the scale depending on the option of the machine, some functions may not be available. If the ▼ icon above the stable legend flashes while you are using the scale , it means that the weight on the platform is unstead...

  • Page 16: 3.3

    16 s122 user / service instructions 3 using the scale 3.3 selecting weighing or counting 3.3 selecting weighing or counting if no sample size has been set you will be prompted to sample some items . 3.4 using the backlight (option) each press of the backlight key shows: if set to automatic, the back...

  • Page 17: 3.6

    3.6 sampling 3 using the scale s122 user / service instructions 17 3.6 sampling when selecting the number of items you wish to use as a sample remember that the larger the sample size, the more accurate the counting will be. If you see ▼ above the piece weight icon it means that the unit weight of e...

  • Page 18: 3.7

    18 s122 user / service instructions 3 using the scale 3.7 counting if you see ▼ above the add to sample icon it means that the weight of the sample is too small. Unless you increase the weight of the sample the count may be inaccurate count. You should select a greater number of samples and add thes...

  • Page 19: 3.8

    3.8 totali z ing 3 using the scale s122 user / service instructions 19 3.8 totali z ing remove the weight from the platform when finished. 3.9 recalling totals the count number and then the total will each be displayed for a few seconds before returning to the current display. For each weight that y...

  • Page 20: 3.10

    20 s122 user / service instructions 3 using the scale 3.10 canceling totals 3.10 canceling totals press the clear key whil e the count number or total is displayed. Clear entry recall.

  • Page 21: 3.11

    3.11 checkweighing 3 using the scale s122 user / service instructions 21 3.11 checkweighing 3.11.1 setting check-weighing limits if you select counting mode and no sample size has been set you will be prompted to sample some items . Weighing mode counting mode select either weighing or counting mode...

  • Page 22

    22 s122 user / service instructions 3 using the scale 3.11 checkweighing 3.11.2 to set the lower limit example: 50 items to move along the display: to change the displayed value: 00005l 4 times 5 times to move along the display: 000050 00000l 0- - h - - to enter the lower limit: 0- - - - l twice tar...

  • Page 23

    .11 checkweighing 3 using the scale s122 user / service instructions 23 4 3.11.3 to set the higher limit example: 1000 items 000- - h enter to move along the display: twice to change the displayed value: 001000 to enter the higher limit: 0- b 4 times enter 000- - h.

  • Page 24: 3.11.4 To Set The Alarm

    24 s122 user / service instructions 3 using the scale 3.11 checkweighing 3.11.4 to set the alarm example: beep when between targets the target beep can be: 00 = no target beeps 01 = beep when between targets 02 = beep when outside targets 3.11.5 limit indicators whil e using the scale you will see t...

  • Page 25

    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.

  • Page 26

    Creating a preset tare example: 1lb reviewing a pre-set tare value.

  • Page 27

    Canceling a pre-set tare.

  • Page 28: Installation/maintenance

    4.1 connecting the column 4 installation/maintenance s122 user / service instructions 28 4 installation/maintenance 4.1 connecting the column 1. Lift the weigh plate off the platform and remove the packing material. 2. Thread the load cell cable a through the column. 3. Fasten the column to the plat...

  • Page 29

    29 s122 user / service instructions 4 installation/maintenance 4.1 connecting the column 5. For legal for trade scales , make sure that the grounding connector e is attached to the lip of the column. If a ferrite bead is used it should hang on wire between connector a and bracket d. 6. Fasten the br...

  • Page 30: 4.2

    4.2 connecting the indicator 4 installation/maintenance s122 user / service instructions 30 4.2 connecting the indicator 1. Slide the indicator onto the bracket until it clicks into place. 2. Plug the connector from the platform into the indicator. 3. To adjust the angle of the indicator, loosen the...

  • Page 31: 4.3

    3 1 s122 user / service instructions 4 installation/maintenance 4.3 opening the covers 4.3 opening the covers you will need to remove the covers in order to set up rs232 pin connections. Electrostatic sensitive device observe all precautions for handling electrostatic discharge sensitive devices. 1....

  • Page 32: 4.4

    4.4 rs232 pin assignments 4 installation/maintenance s122 user / service instructions 32 4.4 rs232 pin assignments the rs232 serial communications board allows the indicator to send data to an external device such as a printer or computer. The default baud rate is 2400. To change the setting s see s...

  • Page 33: 4.6

    4.6 replacing a load cell 4 installation/maintenance s122 user / service instructions 33 4.6 replacing a load cell 1. Switch off and disconnect the scale from the ac power supply. 2. Remove the shroud . 3. Disconnect and remove the indicator from the column. 4. Remove the knob from the bracket and s...

  • Page 34: Configuration Mode

    5.1 entering configuration mode 5 configuration mode s122 user / service instructions 34 5 configuration mode 5.1 entering configuration mode in order to enter configuration mode you must first set the configuration switch to the unlocked position. The switch is located under the tamper proof seal a...

  • Page 35: 5.1.1

    35 s122 user / service instructions 5 configuration mode 5.1 entering configuration mode 5.1.1 service mode keys the following keys are available in service mode: accept the entered values and go to the next section. Cancel all values for the current display. Go to the next digit or field. Increment...

  • Page 36: 5.2

    5.2 configuration menu 5 configuration mode s122 user / service instructions 36 5.2 configuration menu the menu consists of functions f0 to f9. To go down the functions press (f0 to f9). To go back up the functions press (f9 to f0). Tare page 38 f 0 function description function number see page... W...

  • Page 37: 5.2.1

    37 s122 user / service instructions 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. Set the configuration switch to the locked position. Or tare f6 enter 0000 . Lb.

  • Page 38: 5.3

    5.3 f0 - weight calibration 5 configuration mode s122 user / service instructions 38 5.3 f0 - weight calibration ● ensure the hold function (f8) is set to hold 0. Please remember ..... The calibration weight must be over 0 weight or any weight less than the full capacity of the machine. To change th...

  • Page 39: Twice

    39 s122 user / service instructions 5 configuration mode 5.3 f0 - weight calibration repeat to enter the calibration weight. For example, to enter 30 lb: place the calibration weight on the platform. Press the enter key. Remove the calibration weight. Twice 3 times 3 times enter enter 030.000 kg lb ...

  • Page 40: 5.4

    5.4 f1 - specification settings 5 configuration mode s122 user / service instructions 40 5.4 f1 - specification settings ● ensure the hold function (f8) is set to hold 0. 5.4.1 keyboard check you can perform a keyboard check. If the correct code appears when you press a key then you know that the ke...

  • Page 41

    41 s122 user / service instructions 5 configuration mode 5.4 f1 - specification settings to check a key press the key: if there is an error you will see ... Fi enter set 17 set enter 273027 internal count e6 3027 e 7 3 027 internal count less than 240,000 internal count more than 360,000

  • Page 42

    5.4 f1 - specification settings 5 configuration mode s122 user / service instructions 42 unit options are: digit 1 1= kg, 2= lb digit 2 0= no 2nd unit 1= kg, 2= lb digit 3 must be set to 0 digit 4 0= kg display 1= g display digit 5 0= lb display 1= lb, oz display digit 6 not used examples: kg only 1...

  • Page 43

    43 s122 user / service instructions 5 configuration mode 5.4 f1 - specification settings press and to enter the required capacity: full capacity + 9d max lb w i ght=(max kg wghtx2.24) 60kgx20g 006018 150kgx50g 015045 300kgx100g 003009 130lbx0.05lb 013045 330lbx0.10lb 003309 660lbx0.20lb 066010 press...

  • Page 44: 5.5

    5.5 f2 - noise filter setting 5 configuration mode s122 user / service instructions 5.5 f2 - noise filter setting the range of stability is from 01 to 15. Enter a setting appropriate to the environment. ● the higher the value the quicker the machine reaches stability but weighing is less accurate. ●...

  • Page 45: 5.6

    45 s122 user / service instructions 5 configuration mode 5.6 f3 - zero display setting 5.6 f3 - zero display setting must be set to 0 at legal for trade scales. ● if the load cell gives unstable readings set to 5 which is the maximum. ● if the load cell gives stable readings set to 0 which is the mi...

  • Page 46: 5.7

    5.7 f4 - checkweighing function 5 configuration mode s122 user / service instructions 5.7 f4 - checkweighing function ● ensure the hold function (f8) is set to hold 0. To cancel the high/low limits and alarm setting: press and to enter the required low limit: low limit > 10 divisions 4 times f4 ente...

  • Page 47

    47 s122 user / service instructions 5 configuration mode 5.7 f4 - checkweighing function press and to enter the required high limit: high limit ≥ low limit check-weighing alarm digit 1 0 = stable, beeps and lcd on 1 = stable, beeps whether stable or not and lcd on 2 = whether stable or not, beeps an...

  • Page 48: 5.8

    5.8 f5 - print option 5 configuration mode s122 user / service instructions 5.8 f5 - print option ● ensure the hold function (f8) is set to hold 0. ● to transmit to a computer short pins j1 and j3. ● to transmit to a serial printer short pins j2 and j4. Printer options are shown below: 0 printing di...

  • Page 49: 7 Times

    49 s122 user / service instructions 5 configuration mode 5.8 f5 - print option to change the printer setting: example ez-2 printer display the setting required by the ez-2 printer: baud rate options are: 1200, 2400, 4800, 9600 7 times enter default baud rate 3 times new baud rate enter f5.

  • Page 50: 5.8.1

    5.8 f5 - print option 5 configuration mode s122 user / service instructions 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. Rnp 1 pc stable transmit st,nt,+ 1.000lb st,nt,+ 1.000lb st,nt,+ 2.002lb st,...

  • Page 51

    51 s122 user / service instructions 5 configuration mode 5.8 f5 - print option rnp 3 simple mode for serial printer to transmit each transaction to the printer: or add enter enter enter to transmit the total to the printer: s/n wt/lb _ _ _ _ _ _ _ _ 001 2.000 002 1.000 _ _ _ _ _ _ _ _ 0002 3.000 rnp...

  • Page 52

    5.8 f5 - print option 5 configuration mode s122 user / service instructions rnp 5 stable printing (accumulation) or to transmit each transaction to the printer: add enter enter enter to transmit the total to the printer: s/n wt/lb _ _ _ _ _ _ _ _ 001 1.000 002 2.000 003 2.000 004 2.000 005 2.000 _ _...

  • Page 53: 5.8.2

    53 s122 user / service instructions 5 configuration mode 5.8 f5 - print option 5.8.2 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 rnp 7 stable transmit to ez-2 ...

  • Page 54: 5.8.3

    5.8 f5 - print option 5 configuration mode s122 user / service instructions 5.8.3 data format data format for stable and continuous transmission. Data (8 bytes) 2d (hex)= "-" (minus) 2e (hex)= "." (decimal point) unit (2 bytes) kg =6b (hex) ; 67 (hex) lb =6c (hex) ; 62 (hex) example 1: +0.876kg stab...

  • Page 55: 5.9

    55 s122 user / service instructions 5 configuration mode 5.9 f6 - exiting configuration mode 5.9 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 f7 enter 273027 internal count enter f7.

  • Page 56: 5.11

    5.11 f8 - setting the hold function 5 configuration mode s122 user / service instructions 5.11 f8 - setting the hold function you can set up the hold function so pressing the key prints the displayed value. You must also set up the correct transmit baud rate for the receiving device. H old 0 no hold...

  • Page 57: 8 Times

    57 s122 user / service instructions 5 configuration mode 5.11 f8 - setting the hold function to change the hold setting: 8 times f8 enter h o1d - 0 kg lb h o1d - 3 kg lb enter f8.

  • Page 58: Wiring Diagrams

    6 .1 power supply connections 6 wiring diagrams s122 user / service instructions 6 wiring diagrams electrostatic sensitive device observe all precautions for handling electrostatic discharge sensitive devices. 6 .1 power supply connections note: all connections are soldered. 'd' cell batteries inter...

  • Page 59: Main Board Connections

    S1 22 user / service instructions 6.2 wiring diagrams 6.2 main board connections 6 .2 main board connections.

  • Page 60: Load Cell Connections

    6 .3 load cell connections 6.3 wiring diagrams s122 user / service instructions 6 .3 load cell connections.

  • Page 61: Parts  Lists

    7 .1 illustrated part lists 7.1 parts lists s122 user / service instructions 7 parts lists 7 .1 illustrated part lists user /service instructions 76103-986.

  • Page 62: Additional Parts

    S122 user / service instructions 7.2 parts lists 7.2 additional parts 7 .2 additional parts description part number sealing screw kit ser/l120/0002 ground spring ser/l120/0003 on/off switch 1111001111 battery selector switch 1111001221 load cell connector - male 5-way 1240001051 load cell connector ...

  • Page 63

    The address of your salter brecknell ce n t er 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 describ...