Excell PH3 Operation & User’s Manual

PH3 IP 68 Waterproof Check-weighing Indicator User Manual © EXCELL PRECISION CO., LTD. 2018. All rights reserved worldwide. The information contained herein is the property of EXCELL PRECISION CO., LTD. and is supplied without liability for errors or omissions. No part may be reproduced or used except as authorised 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.

 TABLE OF CONTENTS  BEFORE USING THE SCALE ..................................................................................................... 3 PRECAUTIONS FOR USE .......................................................................................................... 3 PREPARING TO USE THE SCALE ............................................................................................. 4 SPECIAL NOTICE ....................................................................................................................... 6 CHAPTER 1 INTRODUCTION .................................................................................................... 7 1-1 FEATURES ............................................................................................................................ 7 1-2 SPECIFICATIONS ................................................................................................................... 7 1-3 SCALE APPEARANCE ............................................................................................................. 8 1-4 POWER SUPPLY .................................................................................................................... 8 1-5 EXPLANATION OF DISPLAY ..................................................................................................... 9 1-6 EXPLANATION OF KEYPAD .................................................................................................... 10 CHAPTER 2 BASIC OPERATING FUNCTIONS ....................................................................... 12 2-1 SIMPLE WEIGHT MODE ........................................................................................................ 14 2-2 LIMIT WEIGHT MODE ........................................................................................................... 14 2-3 TARGET WEIGHT MODE ....................................................................................................... 16 2-4 TARE FUNCTION .................................................................................................................. 18 2-5 CANCEL TARE FUNCTION ..................................................................................................... 19 2-6 PRE-TARE FUNCTION .......................................................................................................... 19 2-7 CANCEL PRE-TARE FUNCTION .............................................................................................. 20 2-8 GROSS/NET FUNCTION ........................................................................................................ 20 2-9 MEMORY STORE AND RECALL FUNCTIONS ............................................................................. 21 CHAPTER 3 EXTERAL CALIBRATION ..................................................................................... 22 3-1 GENERAL FUNCTION SETTINGS ............................................................... 23 3-1-1 Automatic Backlight Function Settings....................................... 25 3-1-2 Automatic Power-off Timer Settings ........................................... 26 3-1-3 HI / LO Weight Check Settings .................................................. 27 3-1-4 HI / LO Alarm Settings Function ................................................ 28 3-1-5 Analog and Digital Display Settings ........................................... 29 3-1-6 Weighing Speed Settings ........................................................... 30 3-1-7 Operation Mode Settings ........................................................... 31 3-1-8 Weight and Percentage Mode Settings ..................................... 32 3-1-9 Lock Function Settings .............................................................. 33 3-1-10 Relay Settings ........................................................................... 34 3-1-11 Auto Zero Tracking .................................................................... 35 3-1-12 Printer Key Accumulation Function ............................................ 36 3-1-13 Tare Cancellation Settings ......................................................... 37 3-1-14 Previous Zero Record Settings ................................................. 38

3-1-15 HI / LO / OK Positive / Negative Weight Settings ........................ 38 3-1-16 HI / LO / OK Tare Time Settings .................................................. 39 3-2 WEIGHT CALIBRATION .................................................................................. 40 3-2-1 Weight Calibration ........................................................................... 41 3-2-2 Restore to the Default setting .......................................................... 42 3-3 RS-232 BI-DIRECTIONAL FUNCTION SETTINGS .......................................... 43 3-3-1 Baud Rate Settings ................................................................... 45 3-3-2 Communication Protocol Settings ............................................. 46 3-3-3 Output Format Settings ............................................................. 47 3-3-4 Continuous Transmission Settings ............................................ 48 3-3-5 Selection of the Continuous Transmission Rate ........................ 49 3-3-6 Output Condition Settings ......................................................... 50 3-3-7 Auto Transmission at Zero ........................................................ 51 3-3-8 Reset of Auto Transmission ....................................................... 52 3-3-9 Condition of Manually Printing ................................................... 54 3-3-10 Real Time Clock (Hour) ............................................................. 55 3-3-11 Real Time Clock (Date) ............................................................. 56 3-3-12 RS-232 Serial Interface Settings Mode ..................................... 57 3-3-13 RS-232 General or Simple Output Weight Selection ................. 58 APPENDIX 1 RS-232 SERIAL INTERFACE ........................................................................... 59 APPENDIX 2 ERROR MESSAGES ........................................................................................ 68 APPENDIX 3 7-SEGMENT DISPLAY CHARACTERS ............................................................ 69

PRECAUTIONS FOR USE 1. Please keep the indicator in a cool place. Do not store it at a high temperature. 2. Please keep it clean and avoid hosting of cockroach and any other possible live creatures. 3. Avoid objects impacting with the indicator. Do not drop loads onto the scale or subject the platter to any physically strong shock. 4. The load placed on the platter must not exceed the maximum weighing capacity of the scale. 5. The indicator is IP68 waterproof design. Only the cables with Φ3 to 5.5mm caliber can be used, or the indicator’s waterproofness will be affected. 6. Clean and wrap the scale into a clean bag for long time no use. A desiccant sachet may be included to prevent any moisture built up. 7. To avoid current leakage, please do not subject the batteries to excessive heat or attempt to open the batteries. 8. In order to maintain the re-chargeable battery in good condition it should be kept fully charged whenever possible. If the scale is to be stored, the battery should be fully charged before storage, and then re-charged at 3 month intervals. 9. The number of times that the battery can be recharged will vary according to the conditions of use. However it can be maximized by re-charging the battery frequently and by avoiding conditions of total discharge. The battery cannot be overcharged. 10. Please operate or charge the scale in an open area. Do not squeeze the power cord to avoid wire on fire. 11. If the scale is not working properly, please send it to our distributor for service. 12. Any suggestion for the product is warmly welcome. BEFORE USING THE SCALE Thank you for purchasing an EXCELL Electronic Digital Indicator. In order to use the indicator properly, please read this User Manual carefully before use. If you have a problem concerning the indicator, please contact your supplier.

PREPARING TO USE THE SCALE 1. Locate the scale on a firm level surface free from vibrations for accurate weight readings. 2. Avoid operating the scale in direct sunlight or drafts of any kind. 3. If possible, avoid connecting the scale to AC power outlet sockets which are adjacent to other appliances to minimise the possibility of interference affecting the performance of the scale. 4. Remove any weight that might be on the platter before the scale is switched on and avoid leaving weight on the platter for long periods of time. 5. All goods weighed should be placed in the centre of the platter for accurate weighing. The overall dimensions of the goods being weighed should not exceed the dimension of the platter. 6. Once the scale has been powered on, it will go through a LCD display test and it is ready for use when the display shows zero. 7. The scale requires 15 to 20 minutes warm up before operation to ensure best accuracy. 8. When the power bar indication turns to be low battery , it means the battery should be recharged immediately. 9. Introduction of Storage Battery

No burning Caution Corrosion Due to the storage battery adopt the advanced free-maintaining technique, customers need not to replenish electrolyte. The scale should be recharged every 3 months to prevent failure of the internal rechargeable battery. 1. The battery should be charged for 8~10 hours. 2. The temperature of battery should below 45°C. Maintaining 1. Please do not discharge with over-current when using the battery. Please charge the battery after discharging current. 2. Please take down the battery when the scale is not used for a long time or break the connection of cathode. 3. Do not short the battery terminals to check whether there is current. Please check whether the connection point is firm to guarantee good connection. 4. The battery should be replaced by specialized person. No reverse-battery or the product will be damaged. a) Anode of battery should be connected with Anode of product battery (usually red cable) b) Cathode of battery should be connected with Cathode of product battery (usually brown cable or black cable) c) See the following picture: Safety warnings 1. The electrolyte of battery is caustic which causes metal, cotton, etc to corrode. 2. The hydrogen will be resolved when using or charging the battery and it will cause explosion when approaches fire. Brown cable(or black cable) connected with Anode of battery Red cable connected with Cathode of battery Warning explosion Children faraway

SPECIAL NOTICE In some certain conditions, the stainless case of indicator will be opened to set up the load cell, connect the power cable, or replace the new rechargeable battery, please contact your local service people to avoid any damage of waterproof. Before opening the stainless case, please ensure the indicator is free of moisture, if necessary, any liquid should be wiped off. The assembling notice as below should be strictly followed to assure the waterproof performance. We strongly suggest that these procedures should be operated by the technical staff of your supplier. ASSEMBLING NOTICE Screw the case with a torque screwdriver of 12 kgf-cm in the following orders. Do not screw tightly before all screws are in the positions. Screwing orders:

CHAPTER 1 INTRODUCTION 1-1 Features  IP68 waterproof: moisture-proof, mist-proof, with IP68 waterproof and dustproof  Adjustable weighing speed: three weighing speed modes (fast, moderate, and slow) supported.  Selectable units: kilogram (kg), gram (g), pound (lb), and ounce (oz) weighing units  HI, OK, LO indication: Large LCD display with HI, OK, LO indication and the signals for relay output with max. current 8 A at 120VAC or 30VDC, 5A at 230VAC  High resolution: the maximum external resolution is 1 / 30 000, and the internal is 1 / 300 000. (Input voltage should be over 6 mV)  Practical functions: 10 preset settings, Percentage display, Simple / Limit / Target operation modes, Pre-Tare function, Net / Gross switch function, Auto backlight, RTC settings and Auto power-off timer etc.  Others: Auto calibration, Auto zero tracking, Low battery indication, Adjustable gravity value, and Linearity adjustment.  Built-in Bi-directional RS-232 interface 1-2 Specifications  Analog Input and A/D Conversion : Input Sensitivity 0.18 V/d or more  Input Signal Range : -2 ~ +16 mV  Input Zero Range : -1 ~ +5 mV  Load Cell Excitation : 5 V DC  Load Cell Drive Capacity : up to 4 load cells at 350  / load cell  Non-linearity : 0.01% of full scale  A/D Resolution : 1 000 000 counts (Max.)

1-3 Scale Appearance 1-4 Power Supply Power Supply Selection 1. 6 V / 4.0 Ah Rechargeable battery 2. AC adaptor DC 12 V / 1A Power Consumption Approximately DC 19 mA (Indicator) Approximately DC 38 mA (Indicator + Display backlight) Approximately DC 70 ~ 80 mA (Indicator + Display backlight + Relay) Low Battery Warning When the power bar indication turns to be low battery , it means the battery should be recharged immediately. The package includes: 1. Indicator ｘ1 2. Power Cable ｘ1 3. User Manual ｘ1 When you unpack the indicator and find any of the above items are missing, please contact your supplier. 256 mm 170 mm 90 mm Power cable connector Load cell connector RS-232 connector (For RS-232 and load cell, only the cables with Ф 3 ~ 5.5mm caliber can be used, or the indicator’s waterproofness will be affected.)

1-5 Explanation of Display LCD1： Analog indication column with maximum 50 graduation LCD2：Digital Display column with maximum 6 digits Keypad HI, LO, OK status indication In the Simple mode, if the weight is over the maximum graduation, the “+” zone will be flashing. Weigh unit indication: kg, g, lb, lb-oz, Taiwan-kg, % Zero point indication Stable reading indication NET indication Battery indication GROSS indication Current memory reading (HI, LO, OK, RANGE) data LIMIT indication TARGET indication

1-6 Explanation of Keypad Press this key to switch the display on/off. Press this key to obtain a zero reading, when the platter is empty (free of load) and the display is not showing zero. When the weight value is within the zero range, the zero function operates to zero the scale or cancel the tare function. Press this key to clear memory and delete data. Press this key to perform action. � Digit: 9 Press this key to switch between the “Net value” and the “Gross value”. (This key is functional only in Tare mode.) Digit: 6 Press this key to deduct the weight of container via entering the known value, so that the scale readout shows the net weight of samples. Digit: 3 Press this key to deduct the weight of container, so that the scale readout shows the net weight of samples. Press this key to recall memory.

Digit 8 Press this key to output the displayed values via the built-in interface to a printer or a computer. Digit 5 In Target weight mode, press this key to preset the allowable “Range” value. Digit 2 In Limit weight mode, press this key to input “Low” value, so that the weighing result cannot be smaller than this value. Press this key to store HI, LO, OK and Range settings or exit the settings mode. Digit 7 Press this key to switch among Simple weight mode, Limit weight mode and Target weight mode. Digit 4 In Target weight mode, press this key to input value which meets the OK requirement. Digit 1 In Limit weight mode, press this key to input “HI” value, so that the weighing result cannot be greater than this value. Digit 0 Press this key to switch the weight unit, the icons or arrows will indicate the enable units as appropriate. The units available are dependent on the exact scale model. After power off, the scale will memorize the enable units. When the scale is powered on again, it displays the previous enable units.

CHAPTER 2 BASIC OPERATING FUNCTIONS PH3 has three weight modes: Simple, Limit and Target, press to switch. Simple weight mode In this mode, the weight value can be displayed by means of analog and digital. For example, when an object weighs 20 kg, the LCD2 shows the digits 20 and LCD1 has slight changes on its graduation. Limit weight mode This is a weight check mode, press “HI” and “LO” keys to input high and low limit values, LCD1 displays if the weight on platter is greater than the high limit, lower than the check value or equal to the OK range. When it meets the OK range, the OK zone will blink. For example, High limit = 20, Low limit = 18, then OK range is between 18 and 20. Target weight mode Use this mode to set a “Target” weight and an allowable range. When the weight is within the range, it means the weight meets the target requirement. For example, pour liquid into a container, press “OK” key to set target as 30 and press “Range” key to set an allowable range as ±2, when the weight reaches the range between 28 and 32，the OK zone on LCD1 will blink.

Simple Weight Mode � � � Target Weight Mode � Limit Weight Mode

2-1 Simple Weight Mode Steps： 1. Turn on the scale Scale starts to count down, LCD2 displays ”------“ After reaching to Zero, LCD2 displays ”000000”. 2. If needed, select the weight unit. Zero the scale, if the Zero point value is floating. 3. Put object on the platter LCD1 (analog) and LCD2 (Digit) display the object’s weight After the weight is stable, the STABLE icon appears at the left bottom of LCD2. 2-2 Limit Weight Mode Steps: 1. Press “MODE” key, select Limit Mode, the Limit icon is switched on. If the weight is floating, press “ZERO” key to obtain a zero reading. 2. Press “HI” key, the screen displays the previous setting of High value. . kg The previous setting is 30 kg.

3. Use “0” ~ “9” keys to input the High value. After inputting one digit, the cursor will move to right. Press “ENTER” key when finishing. (For example 30 kg, press 0030 ） When input incorrectly, press “C” key to clear. 4. Press “LO” key, the screen displays the previous setting of Low value. 5. Use “0”~“9” keys to input the Low value, see step 3. “High value” must be set before “Low value”. 6. Put object on the platter, the screen reflects HI / LO / OK status. If the weight is between the high and low limit, the “OK” zone will blink. If the weight is over the high limit, the “+” zone will blink. If the weight is under the low limit, the “-” zone will blink. . kg The previous setting is 28 kg. to

2-3 Target Weight Mode Steps: 1. Press “MODE” key, select Target Weight Mode, the Target icon is switched on. Press ZERO key to zero the scale, if the weight is floating. 2. Set the target weight (There are two methods) Method 1: input value via keypad (1) Press “OK” key, the screen displays the previous setting. (2) Use 0 ~ 9 keys to input the target value. After keying one digit, the cursor will move to right. Press “ENTER” key when finishing. Method 2: Input value via sampling weight (1) Press “OK” key, the screen displays the previous setting. . kg . kg The previous settings is 30 kg. The previous setting is 30 kg. to

(2) Put the sample on the platter, press “ENTER” key. The screen displays “------”. After the weight is stable, the sampling is finished. 3. Set the Range Value (1) Press “RANGE” key，the screen displays the previous setting. (2) Use “0” ~ “9” keys to input the target value. After keying one digit, the cursor will move to right. Press “ENTER” key when finishing. 4. Put a container on the platter, the screen displays the container’s weight. 5. Press TARE key, the screen displays “------”. The “Net” icon is on, after the weight returns to zero. kg . kg . kg . kg kg Net . kg 2 kg The weight of container is 2 kg. 20 kg The previous setting is 20 kg. The previous setting is 2 kg. to

6. Put objects into the container and observe the changes of graduation on LCD1. When the weight reaches the OK section, stop adding the objects and LCD2 displays the weight at OK status. The Range value can be shown as percentage. Refer to “3-1-8 Weight and Percentage Mode Settings” for details. 2-4 Tare Function Steps： 1. When the platter is free of load and the display is not showing zero, to zero the scale. 2. Put a container on the platter LCD2 displays the weight of container After the weight is stable, the STABLE icon will blink. 3. To zero the weight of container, the screen displays the “Net” icon. 4. Put the goods in the container, the screen displays the net weight value of the goods. The tare function can be operated continually to the full weighing capacity of the scale. To continue tare operation, please press key each time when you finishing adding tare objects on or removing tare objects from the platter.  For OIML and NTEP approval models, the tare function is automatically cancelled when instantaneous weight returns near zero point.  For Sri Lanka approval models, the zero key is disabled when using tare function.  Tare and Pre-tare functions cannot be used simultaneously. � �

2-5 Cancel Tare Function Steps: 1. Move the full container from the platter. 2. Zero the scale and Tare The “Net” icon is switched off. or Clear Tare The “Net” icon is switched off. 2-6 Pre-Tare Function Steps: 1. Zero the scale, if needed. 2. The screen displays the previous Pre-Tare value for two seconds Enter Pre-Tare mode 00000P . 3. Use “0” ~ “9” keys to input the known weight of container, after that . 4. The PT icon on LCD2 will blink, which means the settings is finished. 5. Put the container on platter The screen displays the weight is zero Put the goods into the container The screen displays the weight of goods PT icon is on LCD2 displays the Net value of goods.  Tare and Pre-tare functions cannot be used simultaneously. � � � � � �

2-7 Cancel Pre-Tare Function Method 1 Steps: 1. Remove the full container from the platter 2. Zero the scale and Tare The “PT” icon is switched off Cancel the Pre-Tare. Method 2 Steps: 1. The screen displays the previous Pre-Tare value for two seconds Enter Pre-Tare mode  00000P  The screen displays  00000P  2. The “PT” icon is switched off  Cancel the Pre-Tare. 2-8 Gross/Net Function In GROSS or NET mode, the screen displays “Net”: Steps: 1. Gross icon is switched on and “Net” icon is off, which means the weight value on the display is the total amount of the tare value and net value. 2. The screen displays Net value again. The “Net” icon is on, while the “Gross” icon is off. Use this key to switch between “Net value” and “Gross value”. � � � �

This function is only used in TARE and Pre-Tare modes. All keys except for “On/Off” and “Net/Gross” do not work, while the Gross icon is on. 2-9 Memory Store and Recall Functions Store When the settings of HI, LO, OK and Range are finished, LCD2 displays “MEM S”, input any digits from “0” ~ “9”, such as “2” When finishing, “M2” appears at the center of LCD1. Recall LCD2 displays “MEM R”, input any digits from “0” ~ “9”, such as “2” When finishing, “M2” appears at the center of LCD1. This indicator can store 10 pieces of data (from 0 to 9).

CHAPTER 3 EXTERAL CALIBRATION In the weighing mode, press the TARE and ZERO keys at the same time to enter the Advanced Function settings mode. The LCD2 shows and use MR to select the desired mode. Overall workflow of the Advanced Function settings mode is as follows: Press MR key Press MR key Press MR key  General Function Settings Mode  Weight Calibration  RS-232 Bi-directional Function Settings  Exit the Advanced Function Settings Mode Refer to the following sections for the detailed operating procedures of each function settings. Press MR key

3-1 General Function Settings There are 16 functions in the General Function settings mode from to . C key  clear parameter Enter key  perform action Refer to the following overview of General Functions Press Enter key To exit the general function settings, key in “00” and press Enter key.

Return to the Advanced Function Settings Mode Automatic Backlight Function Settings Automatic Power-off Timer Settings HI / LO Weight Check Settings HI / LO Alarm Settings Function Analog and Digital Display Settings Weighing Speed Settings Operation Mode Settings Weight and Percentage Mode Settings Lock Function Settings Relay Function Settings Auto Zero Tracking Settings Printer Key Accumulations Function Tare Cancellation Settings Previous Zero Record Settings HI / LO / OK Positive / Negative Weight Settings HI / LO / OK Tare Time Choose Settings Overview of the General Functions

3-1-1 Automatic Backlight Function Settings Select in the General Function settings mode to change the backlight function settings. C key  clear parameter Enter key  perform action Automatic backlight function When the weight is over 10d, the display backlight will be on. After the weight is stable for 10 seconds or when the scale returns to zero, the display backlight switches off. Parameter settings: 01  Turn on automatic backlight 00  Turn off automatic backlight Factory default setting: 00 Press Enter key Press Enter key To exit the general function settings, key in “00” and press Enter key.

3-1-2 Automatic Power-off Timer Settings Select in the General Function settings mode to change the automatic Power-off timer function settings. C key  clear parameter Enter key  perform action Automatic power-off function When the weight on platter is less than 10d or keeps idle for the set time, the scale will automatically power off. Enter a number from 01 to 06 so as to instruct the scale to be automatically powered off after being idle 1 to 6 minutes while 00 is the default which means the auto power-off function is disable.  Factory default setting: 00 Press Enter key Press Enter key To exit the general function settings, key in “00” and press Enter key.

3-1-3 HI / LO Weight Check Settings Select in the General Function settings mode to set the HI / LO weight check function.  FNC 03 settings are available only when the scale is in Limit Weight Mode or Target Weight Mode. C key  clear parameter Enter key  perform action Parameter settings: 00  Check the weight whatever it is stable or not 01  Check the weight when it is stable 02  Whatever it is stable or not, check the weight when the weight is over 10d. 03  Check the weight when it is stable and over 10 d. 04  Do not check Factory default setting: 00 Press Enter key Press Enter key To exit the general function settings, key in “00” and press Enter key.

3-1-4 HI / LO Alarm Settings Function Select in the General Function settings mode to set the HI / LO Alarm function.  FNC 04 settings are available only when the scale is in Limit Weight Mode or Target Weight Mode. C key  clear parameter Enter key  perform action Parameter settings: 00  No Alarm 01  The Beeper sounds intermittently at LO status 02  The Beeper sounds intermittently at OK status 03  The Beeper sounds intermittently at LO and OK status 04  The Beeper sounds intermittently at HI status 05  The Beeper sounds intermittently at HI and Low status 06  The Beeper sounds intermittently at HI and OK status 07  The Beeper sounds intermittently at High, Low and OK status 08  No Alarm 09  The Beeper sounds continually at LO status 10  The Beeper sounds continually at OK status 11  The Beeper sounds continually at LO and OK status 12  The Beeper sounds continually at HI status 13  The Beeper sounds continually at HI and Low status 14  The Beeper sounds continually at HI and OK status 15  The Beeper sounds continually at HI, Low and OK status Often used settings are “02” and “05”. Factory default setting: 00 Press Enter key Press Enter key To exit the general function settings, key in “00” and press Enter key.

3-1-5 Analog and Digital Display Settings Select in the General Function settings mode to change the Analog and Digital display function settings. C key  clear parameter Enter key  perform action Parameter settings: 00  Both Analog and Digital displays are enable 01  Only display Digital Factory default setting: 00 Press Enter key Press Enter key To exit the general function settings, key in “00” and press Enter key.

3-1-6 Weighing Speed Settings Select in the General Function settings mode to set the weighing speed function. C key  clear parameter Enter key  perform action Parameter settings: 00  Slow reaction 01  Moderate reaction 02  Fast reaction Factory default setting: 01 Press Enter key Press Enter key To exit the general function settings, key in “00” and press Enter key.

3-1-7 Operation Mode Settings Select in the General Function settings mode to change the operation mode function settings. C key  clear parameter Enter key  perform action Parameter settings: 00  Enter “Simple Weight Mode” after turn on 01  Enter “Limit Weight Mode” after turn on 02  Enter “Target Weight Mode” after turn on 03  Use previous setting mode after turn on Factory default setting: 03 Press Enter key Press Enter key To exit the general function settings, key in “00” and press Enter key.

3-1-8 Weight and Percentage Mode Settings Select in the General Function settings mode to change the weight and percentage mode settings. C key  clear parameter Enter key  perform action Parameter settings: 00  Display in weight mode 01  Display in percentage mode (Target mode only) Factory default setting: 00 Press Enter key Press Enter key To exit the general function settings, key in “00” and press Enter key.

3-1-9 Lock Function Settings Select in the General Function settings mode to change the Lock function settings. C key  clear parameter Enter key  perform action Parameter settings: 00  All keys act normally 01  Only ON/OFF ZERO TARE are enable. Factory default setting: 00 Press Enter key Press Enter key To exit the general function settings, key in “00” and press Enter key.

3-1-10 Relay Settings Select in the General Function settings mode to change the relay function settings. C key  clear parameter Enter key  perform action Parameter settings: 00  Default open 01  Default short Factory default setting: 00 Press Enter key Press Enter key To exit the general function settings, key in “00” and press Enter key.

3-1-11 Auto Zero Tracking Select in the General Function settings mode to set auto zero tracking. Only for none-approved model C key  clear parameter Enter key  perform action Parameter settings: 00  1/4 d 01  1/2 d 02  1 d 03  2 d 04  4 d Factory default setting: 00 Press Enter key Press Enter key To exit the general function settings, key in “00” and press Enter key.

3-1-12 Printer Key Accumulation Function Select in the General Function settings mode to set printer key accumulation function. This function is enabled only when the parameter in is set as “11”.  When this function is enable, the Enter key functions as C key and has up to 99 accumulations. C key  clear parameter Enter key  perform action Parameter settings: 00  Turn off the accumulation function 01  Turn on the accumulation function Factory default setting: 01 Press Enter key Press Enter key To exit the general function settings, key in “00” and press Enter key.

3-1-13 Tare Cancellation Settings Select in the General Function settings mode to change the tare cancellation settings.  FNC 13 settings are not available for OIML and NTEP approval models. C key  clear parameter Enter key  perform action Parameter settings: 00  Use TARE key to call off settings 01  TARE value cancelled automatically by moving objects from the platter Factory default setting: 00 Press Enter key Press Enter key To exit the general function settings, key in “00” and press Enter key.

3-1-14 Previous Zero Record Settings  Available in non-approved model only 3-1-15 HI / LO / OK Positive / Negative Weight Settings  FNC 15 settings can only be available under “Limit Weight Mode” and “Target Weight Mode.”  FNC 15 settings can be arranged in groups to work with FNC 03 and FNC 04.  If FNC 03 setting is “00” and FNC 15 setting is “01” or “03”,immediate tare function is available. C key  clear parameter Enter key  perform action C key  clear parameter Enter key  perform action Zero key  perform zero record Press Enter key Press Enter key Parameter settings: 00  To abort previous zero recording 01  To enable previous zero recording Factory default setting: 00 Press Enter key Parameter settings: 00  HI / LO / OK positive weight display 01  HI / LO / OK positive weight display and then tare 02  HI / LO / OK negative weight display 03  HI / LO / OK negative weight display and then tare Factory default setting: 00

Press Enter key 3-1-16 HI / LO / OK Tare Time Settings  FNC 16 settings can be available only when FNC 15 has been set to “01”.  If FNC 03 is set to “00”, immediate tare function is available whatever setting of FNC 16 is. C key  clear parameter Enter key  perform action Zero key  perform zero record Press Enter key Parameter settings: 00  To tare after being stable for 1/2 s 01  To tare after being stable for 1 s 02  To tare after being stable for 2 s 03  To tare after being stable for 3 s Factory default setting: 00

3-2 Weight Calibration There are 2 functions in the Weight Calibration settings mode from to . The function is disable when the parameter in is set as “01” or “03” (for approval model). C key  clear parameter Enter key  perform action  Exit the Weight Calibration Mode  Calibration  Restore to the Default setting Press Enter key Input parameter from 00 ~ 02 To exit the weight calibration, key in “00” and press Enter key.

The scale is calculating the internal value of the zero point. After stabilization, the LCD shows the calibration weight value. Put the platter on the scale and ensure there is free of load. Then press Enter key. kg kg Place the displayed weight on the platter and press Enter key. The scale calculates the full capacity internal value and after stabilization, the buzzer beeps 3 times. Remove the weight from the platter and the procedure is completed. kg Press MR key to calculate the internal value of zero point. Press MR key to quit SPAN calculating mode 3-2-1 Weight Calibration Select in the General Function settings mode to set weight calibration. To exit the weight calibration, key in “00” and press Enter key.  Weight calibration conditions: The calibration procedure will not be carried out if the difference between the internal and external ratio of external calibration weight is > 3 of that of initial factory calibration.  The internal and external ratio of the initial factory calibration -3 < The internal and external ratio of external weight calibration < The internal and external ratio of the initial factory calibration +3 . . C key  clear parameter Enter key  perform action Press Enter key The LCD displays the calibration weight value (the maximum capacity of 1st unit) and the unit. The digit on the left side keeps flashing. Revise the calibration weight value if needed. About 2 seconds later About 2 seconds later

3-2-2 Restore to the Default setting Select in the General Function settings mode to restore the default setting. C key  clear parameter Enter key  perform action Press Enter key Key in parameter from 00 to 01 Press Enter key To exit the weight calibration, key in “00” and press Enter key. Parameter settings: 00  Exit the settings 01  Restore to the factory default setting

3-3 RS-232 Bi-directional Function Settings There are 14 functions in the Bi-directional function settings mode from to . C key  clear parameter Enter key  perform action To exit RS-232 Bi-directional settings mode, key in “00” and press Enter key. Press Enter key Key in parameter from 00 to 14 Refer to the following overview of RS-232 Bi-directional Settings

 Exit the RS-232 Bi-directional Settings Mode  Baud Rate Settings  Communication Protocol Settings  Output Format Settings  Continuous Transmission Settings  Selection of Continuous Transmission Rate  Output Condition Settings  Auto Transmission at Zero  Reset of Auto Transmission  Condition of Manually Printing  Real Time Clock Settings (Hour)  Real Time Clock Settings (Date)  RS-232 Serial Interface Settings Mode  RS-232 General or Simple Output Weight Selection  The Date Format Settings Overview of RS-232 Bi-directional Settings

3-3-1 Baud Rate Settings Select in the RS-232 Bi-directional settings mode to set the Baud Rate. C key  clear parameter Enter key  perform action LCD displays the last setting.  Factory default value: 04 Parameter settings: 00  600 (bits/s) 01  1 200 (bits/s) 02  2 400 (bits/s) 03  4 800 (bits/s) 04  9 600 (bits/s) 05  19 200 (bits/s) 06  38 400 (bits/s) Press Enter key Press Enter key To exit the RS-232 Bi-directional settings, key in “00” and press Enter key.

3-3-2 Communication Protocol Settings Select in the RS-232 Bi-directional settings mode to set the communication protocol.  Relevant information please refer to Appendix 1 C key  clear parameter Enter key  perform action LCD displays the previous setting.  Factory default setting: 00 Parameter settings: 00  N 8 1 (none parity check, 8 data bits, 1 stop bit) 01  E 7 1 (even parity check, 7 data bits, 1 stop bit) 02  O 7 1 (odd parity check, 7 data bits, 1 stop bit) Press Enter key Press Enter key To exit the RS-232 Bi-directional settings, key in “00” and press Enter key.

3-3-3 Output Format Settings Select in the RS-232 Bi-directional settings mode to set the output format.  When and are both set to 01 all options of are allowed.  When settings or is set to 00, only the options 00, 01, 02, 09, 10 of are allowed.  With parameter setting of “11”, please then enter to set the RS-232 serial interface.  Relevant information please refer to Appendix 1. C key  clear parameter Enter key  perform action LCD shows the last setting.  Factory default setting: 11 Parameter settings: 00  Same data as the scale in general format 01 Gross weight in general format 02 Net weight in general format 03 Same data as the scale in simple format 04 Gross data in simple format 05 Net data in simple format 06 HI / LO /OK status + Same data as the scale in simple format 07 HI / LO / OK status + Simple gross weight in simple format 08 HI/LO/OK status + Simple net weight in simple format 09 Tare value in general format 10 Pre-Tare value in general format 11 RS-232 serial format Press Enter key Press Enter key To exit the RS-232 Bi-directional settings, key in “00” and press Enter key.

3-3-4 Continuous Transmission Settings Select in the RS-232 Bi-directional settings mode to set the continuous transmission.  Relevant information please refer to Appendix 1. C key  clear parameter Enter key  perform action LCD shows the last setting.  Factory default setting: 00 Parameter settings: 00  Command mode 01  Continuous transmission mode 02  Auto transmission mode 03  Manually printing format mode 04  Shut down RS-232 Press Enter key Press Enter key To exit the RS-232 Bi-directional settings, key in “00” and press Enter key.

3-3-5 Selection of the Continuous Transmission Rate Select in the RS-232 Bi-directional settings mode to set the continuous transmission rate. C key  clear parameter Enter key  perform action LCD shows the last setting.  Factory default setting: 02 Parameter settings: 00  1 times/s 01  2 times/s 02  4 times/s 03  8 times/s 04  16 times/s 05  More than 16 times/s Press Enter key Press Enter key To exit the RS-232 Bi-directional settings, key in “00” and press Enter key.

3-3-6 Output Condition Settings Select in the RS-232 Bi-directional settings mode to set the output condition.  For approval models, settings are available only when setting is set to 00, 01, 02, 09, or 10. C key  clear parameter Enter key  perform action Press Enter key Press Enter key LCD shows the last setting.  Factory default setting: 01 Parameter settings: 00  Output all the time 01  Stable weight output only (No output when under / overload or unstable)

3-3-7 Auto Transmission at Zero Select in the RS-232 Bi-directional settings mode to set the auto transmission at zero. C key  clear parameter Enter key  perform action LCD shows the last setting.  Default setting: 05 Parameter settings: Please enter a number from 00 to 99 to set its value from 00d to 99d accordingly. Press Enter key Press Enter key To exit the RS-232 Bi-directional settings, key in “00” and press Enter key.

3-3-8 Reset of Auto Transmission Select in the RS-232 Bi-directional settings mode to reset the auto transmission. C key  clear parameter Enter key  perform action LCD shows the last setting.  Default setting: 00 Parameter settings: Please enter number from 00 to 99 to set its value from 00d to 99d accordingly. Press Enter key Press Enter key To exit the RS-232 Bi-directional settings, key in “00” and press Enter key.

 RS1 07 & RS1 08 Settings Instruction 1. Under auto transmission mode, if RS1 07 and RS1 08 are all set at “00”, no matter what weight it is, no any data of the weight will be transmitted out. 2. Under auto transmission mode, if RS1 07 is set between “00 ~ 99”, and RS1 08 is set at “00”, when the weight is over or under the zero range that set in RS1 07, after being stable, the data of weight will be transmitted out; if the weight is back to the zero range (RS1 07,) and then becomes higher or lower than the range again, after being stable, the data of weight will be transmitted out (the format is set in RS1 03.) e.g.: When RS1 07 is set at “05”, RS1 08 is set at “00”, and RS1 04 is set at “02”, if the weight is less than 5g, no data of weight will be transmitted out. Put on a weight of 6g, after being stable  ST, NT, +00000006g If take off the weight of 6g, weight column displays “0g”  No transmission (because it’s in the zero range) Put on a weight of 50g, after being stable  ST, NT, +0000050g If take off the weight “48g,” weight column displays “2g”  No transmission (because it’s in the zero range) Add the weight to 30g, after being stable  ST, NT, +0000030g And so on… 3. Under auto transmission mode, if RS1 07 is set at “00” and RS1 08 is set between “00 ~ 99”, as long as the weight is higher than “0”, after being stable, the data of weight will be transmitted out. And then, the weight becomes the benchmark, as long as the weight changes higher or lower than the range of RS1 08, after being stable, the data of weight will be transmitted out. To sum up, on condition that the weight changes and after being stable, the data of weight will be transmitted out (the format is set in RS1 03.) 4. Under auto transmission mode, if RS1 07 is set between “00 ~ 99” and RS1 08 is set between “00 ~ 99”, as long as the weight is higher or lower than the zero range set in RS1 07, after being stable, the data of weight will be transmitted out. To sum up, on condition that the weight changes, not including “0”, after being stable, the data of weight will be transmitted out (the format is set in RS1 03.

3-3-9 Condition of Manually Printing Select in the RS-232 Bi-directional settings mode to set the condition of manually printing.  For approval models, settings are available only when settings is set to 00, 01, 02, 09, or 10.  Before settings, ensure that you set to 03, then press the PRINT key. C key  clear parameter Enter key  perform action LCD shows the last setting. Parameter settings: 00  Transmit immediately 01  Transmit when stable  Factory default setting: 01 Press Enter key Press Enter key

3-3-10 Real Time Clock (Hour) Select in the RS-232 Bi-directional settings mode to set the real time clock for time. MR key  move the flashing letter to left Enter key  perform action LCD shows the current time (24 hours) Press Enter key Use“0” ~ “9” keys to key in “hour”, “minute” and “second”. Press Enter key To exit the RS-232 Bi-directional settings, key in “00” and press Enter key.

3-3-11 Real Time Clock (Date) Select in the RS-232 Bi-directional settings mode to set the real time clock for date. MR key  move the flashing letter to left Enter key  perform action LCD shows the current date (A.D.) Press Enter key Use “0” ~ “9” keys to input “YY”, “MM” and “DD”. Press Enter key To exit the RS-232 Bi-directional settings, key in “00” and press Enter key.

3-3-12 RS-232 Serial Interface Settings Mode This function is enabled only when the parameter in is set as “11”. Select in the RS-232 Bi-directional settings mode to set the RS-232 serial interface.  This settings are available for most models. These settings may be unavailable for some specific models without bi-directional RS-232 serial interface component.  More information please refer to Appendix 1. Enter key  perform action Press Enter key Start to receive Press Enter key To exit the RS-232 Bi-directional settings, key in “00” and press Enter key.

Input parameters “00”、“01” Input parameters “00 ~ 02” 3-3-13 RS-232 General or Simple Output Weight Selection  Please refer to RS-232 output data format at pages 64 ~ 65. 3-3-14 The Date Format Settings  The date order printed will be in accordance with RS1 14. C key  clear parameter Enter key  perform action C key  clear parameter Enter key  perform action Press Enter key Parameters instruction 00  6 digits 01  7 digits  default value: 00 Press Enter key The display shows the last setting. Parameter setting: 00  YY.MM.DD 01  DD.MM.YY (EUROPE) 02  MM.DD.YY (AMERICA)  Default setting : 01 (EUROPE) Press Enter key Press Enter key

Appendix 1 RS-232 Serial Interface RS-232 Command format: (1) The Host (PC) writes the data to the EEPROM of Slave (Scale). (2) The Host (PC) reads the data in the EEPROM of Slave (Scale), and the Slave (Scale) has the data feedback to the host (PC). Content planning 1. W , , , CR LF 2. R , CR LF Write above two commands to the Host (PC), the Slave (Scale) has the following format feedback to the Host (PC). L e n g t h : CR LF A S C I I : CR LF S y m b o l : n CR LF Write EEPROM ( 00 ~ 58 ) Length of storage ( ≤15 ) 1 2 3 ………………. n ASCII code n = length of storage Read EEPROM ( 00 ~ 58 ) Length of storage 1 2 3 ……… … n Store ASCII code n = length of storage 1 2 3 ………………. n Store ASCII symbol n = length of storage

Code First EEPROM address Item Final EEPROM address 00 00 Gross 01 01 02 Net 03 02 04 Tare 05 03 06 Pre-Tare 07 04 08 Target Weight 09 05 10 Range 11 06 12 High Limit 13 07 14 Low Limit 15 08 16 Percent (%) 17 09 18 EEPROM address Weight units 24 19 First unit EEPROM address 20 Second unit EEPROM address 21 Third unit EEPROM address 22 Forth unit EEPROM address 23 Fifth unit EEROM address 10 25 Time 26 11 27 Date 28 12 29 EEPROM address HI、LO、OK status 33 30 LO EEPROM address 31 OK EEPROM address 32 HI EEPROM address 13 34 EEPROM address Stable (Unstable) sign 37 35 Stable sigh EEPROM address 36 Unstable sign EEPROM address 14 38 Accumulations quantity 39 15 40 Accumulations total weight 41 16 42 Check the x weight 43 17 44 User’s definition 1 18 45 User’s definition 2 19 46 User’s definition 3 20 47 User’s definition 4 21 48 User’s definition 5 22 49 User’s definition 6 23 50 User’s definition 7 24 51 User’s definition 8 25 52 User’s definition 9 26 53 User’s definition 10 27 54 User’s definition 11 28 55 User’s definition 12 29 56 User’s definition 13 30 57 User’s definition 14 31 58 User’s definition 15

Format 1. W , , , CR LF 2. R , CR LF Write above two commands to the Host (PC), the Slave (Scale) has the following format feedback to the Host (PC). L e n g t h : CR LF I t e m : CR LF Write EEPROM ( 59 ~ 63 ) Code numbers ( < 15 ) 1 2 3 …………………. n code n =number Read EEPROM ( 59 ~ 63 ) Code numbers 1 2 3 ………………. n code n = number

EEPROM address Format Transmission 59 Simple Format Press “Print” key in Simple Weight mode 60 Limit Format Press “Print” key in Limit Weight mode 61 Target Format Press “Print” key in Target Weight mode 62 Transmission of accumulation clear Press “Enter” key 63 Control code Transmit one time when turn on the scale  Code function Code+80  Do not print the first and final letters Code+40  Display zero by blank Code+B0  Do not print the first and final letters and display zero by blank Example: Tare Code  03 03+80 = 83  Do not print the first and final letters of Tare 03+40 = 43  Display zero by blank, such as 000.00kg 03+B0 = B3  Do not print the first and final letters, and display zero when the content of Tare value is blank.

Command Mode Command Format A Host Command Slave Command MZ Zero SM Manually transmit MT Tare SO Command mode MG Gross weight UA Switch to the first unit MN Net weight UB Switch to the second unit MM Switch operation mode UC Switch to the third unit CT Clear Tare value UD Switch to the forth unit CP Clear Pre-Tare value UE Switch to the fifth unit SA Auto transmit % Stop continuous transmission and enter the command mode SC Continuous transmission Note : UA ~ UE settings are dependent on the model of the scale Command Format B Host Command Slave Data RW Read current weight RH Read Gross (simple) RG Read Gross weight RI Read Net (simple) RN Read Net weight RJ Read comparison situation + current display of weight (simple) RT Read Tare RK Read comparison situation + Gross (simple) RB Read current display of weight (simple) RL Read comparison situation + Net (simple) RE Read Pre-Tare Note : ◇ 1 add % before the command to read continuously ◇ 2 add # before the command to transmit a stable value Read Weight Comparison Settings Value RS : group (00 ~ 09) : settings item LO Read LO settings value RG Read Range settings value HI Read HI settings value PT Read Pre-Tare settings value OK Read Target settings value Note: No group number for PT. EX: RSPT＜CR＞＜LF＞ Read Pre-Tare settings value ANS: RSPTXXXXXX＜CR＞＜LF＞ EX: RS03RG Read the 3rd group of Range settings value ANS: RS03RGXXXXXX

Command Format C Host Command+ Data Slave Command+ Data Write Weight Comparison Settings Value WSXXXXXX : group (00 ~ 09) : settings item XXXXXX: Settings value LO Write LO settings value HI Write HI settings value OK Write Target settings value RG Write Range settings value PT Write Pre-Tare settings value EX: WSPTXXXXXX＜CR＞＜LF＞ Write Pre-Tare settings value ANS: WSPTXXXXXX＜CR＞＜LF＞ EX: WS03RG XXXXXX＜CR＞＜LF＞ Write Range settings value ANS: WS03RG XXXXXX＜CR＞＜LF＞ The above 3 command formats are all Bi-directional RS-232 commands.  Error messages on Slave (Scale): E1: Wrong command E2: Command format error (Wrong parameters) E3: Command not recognized

Output Data Format 1. Seven digits (without including one decimal point) Weight format Gross S T , G S , + 0 1 2 3 4 5 6 7 SP SP o z CR LF Net S T , N T , + 1 . 2 3 . 4 5 6 t l . g Tare S T , T R , + 0 1 2 . 3 4 5 6 SP SP k g Plus OL O L , G S , + SP SP SP SP SP SP SP SP SP SP SP SP Minus OL O L , G S , - SP SP SP SP SP SP SP SP SP SP SP SP Unstable U S , G S , + 0 1 2 3 4 . 5 6 SP SP l b Pre-Tare S T , P T , + 0 1 2 3 4 5 6 7 SP SP SP g Simple format Gross + 0 1 2 3 4 5 6 7 CR LF Net + 1 . 2 3 . 4 5 6 Tare + 0 1 2 . 3 4 5 6 Plus OL + SP SP SP SP SP SP SP SP Minus OL - SP SP SP SP SP SP SP SP Comparison status + Simple format Byte0 Byte1 Byte2 +/- 1 . 2 3 . 4 5 6 CR LF Byte0 : HI 30H / 31H Byte1 : OK 30H / 31H Byte2 : LO 30H / 31H

2. Six digits (without including one decimal point ) General weight format Gross weight S T , G S , + 1 2 3 4 5 6 7 SP SP o z CR LF Net weight S T , N T , + . 2 3 . 4 5 6 t l . g Tare S T , T R , + 1 2 . 3 4 5 6 SP SP k g Positive overload O L , G S , + SP SP SP SP SP SP SP SP SP SP SP Negative overload O L , G S , - SP SP SP SP SP SP SP SP SP SP SP Unstable U S , G S , + 1 2 3 4 . 5 6 SP SP l b Pre-tare S T , P T , + 1 2 3 4 5 6 7 SP SP SP g Simple format Gross weight + 1 2 3 4 5 6 7 CR LF Net weight + . 2 3 . 4 5 6 Tare + 1 2 . 3 4 5 6 Positive overload + SP SP SP SP SP SP SP Negative overload - SP SP SP SP SP SP SP Comparative condition + Simple format Byte0 Byte1 Byte2 +/- . 2 3 . 4 5 6 CR LF Byte0 : HI 30H / 31H Byte1 : OK 30H / 31H Byte2 : LO 30H / 31H

Serial Data Transfer / Receive Format LSB MSB 1 0 n , 8 , 1 S 8-bit data STOP 1 0 e , 7 , 1 S 7-bit data P STOP 1 0 o , 7 , 1 S 7-bit data P STOP Notes: S : Start bit STOP: Stop bit P : Parity bit RS-232 Cable Connection Illustrations Open the housing to connect RS-232 cable with RS-232 connector locating at the right-bottom of the main board, take the most normal connection way of 9PIN and 25PIN as an example, please refer to below illustration: PC PIN Function Female 9 PINS PIN Function PH3 2 T x D 1 SG 3 R x D 2 T x D 5 SG 3 R x D Printer PIN Function Male 25 PINS PIN Function PH3 2 R x D 1 SG 3 T x D 2 T x D 7 SG 3 R x D If take the other ways, please recognize the signals and follow the above rules. After finishing, please lock the housing tightly according to the tighten or loosen orders and screwing method which attached described in the Special Notice at the beginning of this manual.

Appendix 2 Error Messages  EEPROM does not function.  Zero value* after power on is too high.  Zero value* after power on is too low.  The internal value is unstable.  The platter is slanted (i.e. not level).  A/D IC is over the resolution. When the above error messages occur, please contact your supplier for professional help immediately.  The weight on the platter is over the capacity + 9 division. When the above error message occurs, please take away some of your objects on the platter.  *For Sri Lanka approval and non-approval models, zero value inspection range and return-to-zero range is less than or equal to 3%.

Appendix 3 7-Segment Display Characters Number Display Letter Display Letter Display 0 A N 1 B O 2 C P 3 D Q 4 E R 5 F S 6 G T 7 H U 8 I V 9 J W K X L Y °C M Z