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Contech CT series User Manual

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PIECE COUNTING SCALES

INTRODUCTION

Contech CT series PIECE COUNTING SCALES use high precision strain gauges to measure
precisely the weight of an object to compute number of pieces.

Features:

** HIGH INTERNAL RESOLUTION 1/600000
** CAN STORE UNIT WEIGHT FOR 500 ITEMS.
** 3 BRIGHT LED DISPLAYS TO DISPLAY WEIGHT, UNIT WEIGHT AND
PIECES
** AUTOMATIC COUNT CALIBRATION MODE.
** SELECTABLE SAMPLE SIZE.
** RESETTABLE SET POINTS FOR CHECK COUNTING.
** NUMERIC KEYBOARD FOR EASY ENTRY OF UNIT WEIGHT/SAMPLES
** BI DIRECTIONAL RS232 INTERFACE.
** POWER SAVING MODE
** COMPARATOR FUNCTION WITH AUDIO INDICATION(BUZZER)
** OPTIONAL COMPARTOR WITH RELAY OUTPUTS.
** OPTIONAL IN BUILT BATTERY BACKUP.
** PRINT OUT OPTION WITH DATE/TIME , COUNT AND WEIGHT.
** MEMORY ADDITION AND RECALL FUNCTION.

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  • Page 1 PIECE COUNTING SCALES INTRODUCTION Contech CT series PIECE COUNTING SCALES use high precision strain gauges to measure precisely the weight of an object to compute number of pieces. Features: ** HIGH INTERNAL RESOLUTION 1/600000 ** CAN STORE UNIT WEIGHT FOR 500 ITEMS.
  • Page 2 INSTALLATION 1 Unpacking: Unpack the scale. Save the packing container for future use. 2 Electrical requirements: The scale requires very stable power. It works on 230V AC supply with PROPER EARTHING. The power outlet used for the scale should not be shared with any other devices which draws current in inconsistent manner like Airconditioner or refrigerator etc.
  • Page 3 COUNTING SCALE KEYBOARD AND DISPLAY SWITCHING BETWEEN ITEMS. Scales have a memory of 500. Unit weights of 500 items can be stored in memory. Scales retain the unit weight value even when it is switched off. To switch between different items, Press item memory number and press to select.
  • Page 4 Press SETTING UNIT WEIGHT THROUGH KEYBOARD Unit weight can be either set through the keyboard or scale calculates it with known number of samples. For Unit weight entry, Press , Scale displays Unit wt display indicates the current unit weight and pieces display indicates the memory no. Use numeric keys to enter new unit weight.
  • Page 5 Press key. Scale displays Enter no of samples on the pan using numeric key pad. Press key. Scale calculates the Unit Weight and displays on the Unit Wt. Display. AUTOMATIC COUNT CALIBRATION MODE. (ACCM) Scale is equipped with a facility to calculate unit weight by averaging over large number of samples without actually counting large quantities manually.
  • Page 6 Press key again. Scale displays Now scale is in automatic count calibration mode. Enter no of samples on the pan using numeric key pad. Press key. Scale calculates the Unit Weight and displays on the Unit Wt. Display. When scale is in ACCM mode, the piece nos display will be blinking. Add more sample to the existing no to make number of pieces double the original quantity.

  • Page 7: Hold Function

    Press key to quit ACCM mode. HOLD FUNCTION Weighing and counting can be held temporarily by using HOLD function. Keep the key pressed for more than 3 sec. Scale will display Press key to quit this mode. GROSS/NET FUNCTION Press key to switch between GROSS and NET weight function.
  • Page 8 When key is pressed. Scale returns to NET weight mode and container/tare weight will be made zero , TARE/CONTAINER WEIGHT ENTRY Tare or container weight can be entered directly, if, it is known to the user. Keep a container with samples on the pan of the scale. It displays say, Press key.
  • Page 9 Press key to store Tare weight. Scale enters NET weight mode, subtracts Container weight from the total weight and displays. MEMORY FUNCTION ( M+ and MR) No. of Pieces counted can be added to its respective memory and can be retrieved if required. For Press key.
  • Page 10 Press key again. Quantity 2114 will added to the memory 1 To Retrieve the accumulated total, Press key. It displays For Clearing memory, , Press key. It displays...
  • Page 11 Immediately Press key, scale displays Press key to clear Memory no. 1 Press key to quit. RECALLING ENTIRE MEMORY. For Recalling memory, Press key. Display shows Press key to recall all the stored value of memory. TO CLEAR ENTIRE MEMORY , Press key, scale displays...
  • Page 12 Press key to clear all the memory. Press key to quit. CHECK COUNTING. Scales can be used in check counting application, where user can set limits ( 1 or 2) for counting. Once the set limit is reached, scale gives audio indication. 1 or 2 limits can be set based on the requirement.
  • Page 13 Press to turn this function ON or to turn this functon OFF. If the LIMIT function is ON, Scale displays It displays in Unit Wt. Display position, if SINGLE LIMIT is selected. or displays in Unit Wt. Display position, if 2 LIMITS are selected. Press to select 2 LIMITS or to select 1 LIMIT.
  • Page 14 Press to select FTYPE2 or to select FTYPE1. To understand FTYPE1 AND FTYPE2, pl. refer below. Set Point 1: User can set a weight any where in the range of the scale. Depending on the weight on the pan, the following events occur. Buzzer will work only in case of models where buzzer is provided.
  • Page 15 Current First Limit is displayed in Pieces display position. Use numeric key pad to change the limits. Press to save. If Limit is set to 2 ,Scale displays Current second Limit is displayed in Pieces display position. Use numeric key pad to change the limits. Press to save.
  • Page 16 FOR CHANGING DATE,TIME AND SERIAL NO. Press key, the Scale displays And displays to go through the 4 options for Date entry for Time entry for Serial no. entry for machine id entry Select Option by pressing key. Press to make it 0 or use keys to change and press key to store the selected parameters.

  • Page 17: Print Option

    Press to save. PRINT OPTION Counting scales can be attached to a serial printer for your printing needs. Print out can be programmed to suit most of the printing requirements. Printer must have a serial port and baud rate of the balance and printer should be same. Set baud rate 2400 or 4800. Press key to print weight through the serial port.
  • Page 18 Sr.No. Date Time Weight 12.05.2010 13:25:00 2.354 kg 100nos 12.05.2010 13:27:05 2.323 kg 99 nos – Vertical Details will be printed vertically in a slip form. For ex. Sr.No. : 001 Date : 12.05.2010 Time : 13:25:00 Weight : 2.445 kg : 100nos Set the above parameters (a) to (d) to your requirements and effect printing.
  • Page 19 following commands. - Tares the balance. (Make weight and count reading zero) - Tares the balance. (Make weight and count reading zero) – Request for weighing and counting data However scale can be operated in a continous data transfer mode when it will send data continuously as it measures.
  • Page 20 - Auto calibration Autocalibration disabled Autocalibration enabled - Power saving mode Power saving mode disabled Power saving mode enabled - Third decimal mode. Third decimal mode disabled Third decimal mode enabled - Title printing Title printing disabled Title printing enabled - Select printing mode.

  • Page 21: Entering Setup Mode

    ENTERING SETUP MODE Switch Off the Scale. Switch on the machine keeping the key pressed. Do not release this key until the scale displays And subsequently displays For changing between the menu mentioned above Press , or keys For selecting the menu, Press .

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