Pennsylvania Scale Company 7600 Operation Manual
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Pennsylvania Scale Company 7600 Operation Manual

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Pennsylvania Scale Company
For online interactive tech support or more information on Pennsylvania Scale
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Model 7600 Scales
&
7600/4 Indicator
Operation
&
Calibration
Manual
Pennsylvania Scale Company
1042 New Holland Avenue
Lancaster PA 17601
Part Number UM-12199
Version 4.02
Revised September 3, 2002
www.pascale.com

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  • Page 1 Pennsylvania Scale Company Model 7600 Scales & 7600/4 Indicator Operation & Calibration Manual Pennsylvania Scale Company 1042 New Holland Avenue Lancaster PA 17601 For online interactive tech support or more information on Pennsylvania Scale products, visit our website at www.pascale.com Part Number UM-12199 Version 4.02...

  • Page 2: Table Of Contents

    7600 SERIES - OPERATIONS - Section 1 CONTENTS INTRODUCTION INSTALLATION and SET-UP/7600 Scale INSTALLATION and SET-UP/7600/4 DIAGNOSTICS OPERATION OPERATIONAL FEATURES EXTERNAL CONNECTORS REMOTE BASE PIN-OUT DISPLAYS AND INDICATORS PUSH BUTTON FUNCTIONS WEIGHING WEIGHING WITHOUT TARE WEIGHING WITH TARE COUNTING NORMAL COUNTING (one switch)
  • Page 3 7600 SERIES – ADDENDUM- SECTION 3 CONTENTS INTRODUCTION MODEL 7X00 AC/DC OPERATING 37-38 MODEL 7600 4-20ma OUTPUT MODEL 7600 15 DIGIT ID, 2 PRINT FORMATS 40-41 MODEL 7600 40 PIECE WEIGHT STORAGE AND RECAL 42-43 MODEL 7600 PRICE COMPUTING BY COUNT 44-45...

  • Page 4: 7600 Series - Operations Section 1

    This manual covers the Pennsylvania Model 7600 Series Scale. The 7600 has been designed to be simple and easy to operate. It also has many features that make it extremely versatile to use such as: • Standard RS-232 Interface with a selectable output for communications with a computer or printer.
  • Page 5 CPC style connector on the bottom of the indicator. If your 7600/4 indicator is to be attached to a platform of a manufacture other that Pennsylvania, a mating CPC connector may be ordered and attached top the platform cable.(This connector is available as a kit form your Pennsylvania distributor, order Part Number 48445).
  • Page 6 NOTE: If a four wire hook up is used, short connector pins 7 and 8 together. CONNECTING THE 7600/4 IN WASHDOWN APPLICATIONS: Open the 7600/4 enclosure by removing the screws holding on the back plate. Carefully remove the back plate from the indicator. The main circuit board is mounted to the back plate.

  • Page 7: Diagnostics

    PLATFORM CONNECTION (cont’d.) After attaching your 7600/4 Indicator to a platform, it may be activated by plugging the line cord into any grounded 50/60 hertz 120 volt outlet (220 volts, if this option was ordered). The 7600/4 will begin a diagnostic countdown. During this countdown, the display will first show the version number of the software, followed by 9.9.9.9.9.9.

  • Page 8: Operation

    Round CPC Style connector (8 pin) - Only found on scales with second base option installed. This connector is the mating connector for Pennsylvania remote bases, if the 7600 is to be attached to a base of another manufacture a mating connector kit, part number 48445 may be ordered from your Pennsylvania Scale distributor.

  • Page 9: Displays And Indicators

    DISPLAYS and INDICATORS Weight Display - Indicates weight when the scale is weighing. Indicates count when scale is in the counting mode, and displays messages during calibration and data entry operations. Gross Indicator - Illuminates when the weight displayed is the Gross weight. Tare Indicator - Illuminates when ever a tare weight is entered in memory.

  • Page 10: Weighing

    ./CLEAR Button - Used when the scale is in one of the data entry modes. Pressing this button once will put a decimal point onto the display and pressing it a second time will clear the display. ENT Button - Used when the scale is in one of the data entry modes. Button is used to enter information into the system memory.

  • Page 11: Counting

    An electronic counting scale counts parts by knowing the weight of a single piece, dividing that into the total weight on the scale and displaying the result. With the 7600, this piece weight may be entered into the scale by one of two methods: FIRST: Counting out a "sample"...

  • Page 12: Alternate Counting Methods

    Two Switch Counting The 7600 can be programmed so that when the scale is in the sample set mode, the sample will not be accepted until the ENT button is pressed. This allows parts to be added to the platform one at a time, where as with the one switch method all of the sample must be added at once.

  • Page 13: Piece Weight Displayed As Weight/1000

    Piece Weight Displayed as Weight Per 1000 Pieces If selected in calibration, the piece weight can be displayed as weight per 1000 pieces. This option is useful when the items being counted are very light and the piece weight for one item would be an extremely small number.

  • Page 14: Top End Count Sample Added(One Switch)

    8. If the scale is programmed for a two switch operation, place the sample parts onto the platform all at once or one at a time. The display will show the percent of error/accuracy (If selected in calibration.). When all of the sample parts are on the scale press ENT. The scale will switch to the bulk base and enter the count mode.

  • Page 15: Error Count (Two Switch)

    Counting by First Determining Error of Count (Two-Switch Method) 1. If a container will be used to hold the items being counted, place it on the platform. 2. Press the SAMPLE SET switch for two seconds. "AddXXX" will appear on the display (where "XXX"...

  • Page 16: Introduction

    This interface features; programmable baud rates, word lengths, stop bits, parity, address number, and a formatted print. COMMUNICATION CAPABILITIES 1. The interface provides three basic types of communication with the Model 7600: 2. Transmission of a predetermined (at set-up time) array of information for formatted printing.

  • Page 17: Command Formats

    Programming Manual". COMMAND FORMATS The Model 7600 can be controlled from an external device (such as a computer or terminal) by various commands, each three letters long, which represent related English phrases or words. For example, to tell the scale to zero, type ZRO followed by a carriage return.
  • Page 18 Commands Which Enter Information into the Unit IBA [ FLOATING POINT NUMBER ] Input BAse number (with option) IPW [ FLOATING POINT NUMBER ] Input Piece Weight ITW [ FLOATING POINT NUMBER ] Input Tare Weight IID [ FLOATING POINT NUMBER ] Input ID number Commands Which Request Information Send All Information...
  • Page 19 SAMPLE COMPUTER PROGRAM The 7600 series RS-232 interface may be tested by connecting it to a terminal with an RS-232 port, or a computer with an RS-232 and a terminal program. If a terminal program is not available the following program is provided for an IBM PC or compatible using BASICA, MBASIC or QuickBASIC.

  • Page 20: Error Message List

    ERROR MESSAGE LIST During Diagnostics: Err1.CA Scale Calibration Err2.00 to Err2.63 EEPROM Write Failure Err2.rS Serial Interface Setup Err3.Hd Deadload too High Err3.nS No Sense Line Connected Err3.-d Negative Deadload Err4.Sh Load Cell Excitation Shorted Err6.-1 to Err6.-4 Switch SW1-SW4 Shorted Err7.nr Defective NOV RAM Err8.00 to Err8.FF...

  • Page 21: 7600 Series - Programming/Calibration Section

    7600 SERIES CALIBRATION The calibration of the 7600 is divided into eight major categories. The entry point for each of these categories are the calibration steps that are evenly divisible by ten. STEP...

  • Page 22: Calibration Procedure

    To begin calibration for the 7600 Scale: The calibration switch on the 7600 series scale is located below an access plate located on the top, front, center of the scale. The access plate is held in place by a sealing screw that passes up through the bottom of the scale.
  • Page 23 A-0 13 Select if scale is to auto zero when first turned on. Use the UNITS/4 button to select YES or NO*. Cnt 14 Turn count mode on or off. Use the UNITS/4 button to select YES* or NO. (This step is only available on base one.) CAL 20 Manual Calibration entry point rES 22...
  • Page 24 1. Two weights (one for 1/2 capacity, one for full capacity) that are greater than 25% of full capacity and differ by at least 50% of full capacity.EXAMPLE: The weights used for a 100-lb scale could be 30 lb and 80 lb. 2.

  • Page 25: Formatted Print

    Ech 65 ECHO: Use the UNITS/4 button to select whether the scale is to echo input data back to the sending device. no Ech (No echo)* Ech (Echo) Cdr 66 COMM (Network) ADDRESS: If the scale is used in a networking situation it may be assigned an address number.

  • Page 26: Formatted Print Codes

    PSL 84 - 32 (Prints the net weight with prefix and suffix.) PSL 85 - 65 (Sends a carriage return and line feed.) PSL 86 - 31 (Prints the tare weight with the prefix and suffix.) PSL 87 - 65 (Sends a carriage return and line feed.) PSL 88 - 65 (Sends a carriage return and line feed.) PSL 89 - 99 (Ends the print format) The result of the above formatted print is:...
  • Page 27 37 = Print Base in Use prefix and data 38 = Print ID Number prefix, data Continuous Output Print Codes 50 = Continuous output (Formatted print will be sent continuously as long as scale is turned on.) 51 = Toggled continuous output (The formatted print will be sent continuously after the PRINT button is pressed or an SRP command is received by the scale.

  • Page 28: Calibrating The 7600 With The Rs-232

    CALBRATING THE 7600 SCALE WITH THE RS 232 PORT The 7600 Scale may be calibrated through the RS 232 port using a computer or terminal. Calibrate and Configure Commands (* requires SW4 to be pressed) CAL* CALibrate - Scale will follow push button cal.
  • Page 29 COMMAND FORMAT DESCRIPTION CFC 9600 8 1 0 0 5 <ENT> Selects 9600 Baud, 8 bit word length, 1 stop bit, no parity, no echo and address #5. Other baud rates that can be used are: 300, 600, 1200, 2400, 4800 &...

  • Page 30: Configure Rs-232 Print Codes

    CONFIGURATION OF RS-232 PRINT CODES These print code settings may be changed using either the local or remote display push-buttons, or through RS-232 interface commands. When communication with the unit has been established, the CFP (ConFigure Print code) command may be used as follows: COMMAND FORMAT DESCRIPTION...

  • Page 31: Calibration

    CALIBRATION USING RS-232 SERIAL INTERFACE The calibration feature is designed to prevent unauthorized personnel from changing any of the parameters that would affect the accuracy of the unit. This includes the full capacity, weighing resolution, zero range, units, filter response, weight calibration and whether printing is allowed when unit is stable or not.

  • Page 32: Calibration Commands

    CALIBRATION COMMANDS NOTE: Spaces must separate the command and settings. And each command string must be terminated with a carriage return. (Use IBA 1<ENT> or IBA 2<ENT> to select base 1 or 2 before the CLP, CLW command.) CLP - CaLibration Primary COMMAND: CLP 10.0 0.002 5.0 1 <ENT>...

  • Page 33: Calibration Example

    1 = yes) turns on count mode (0 = no, 1 = yes). CLS - CaLibrate Secondary COMMAND: CLS 0.002 2 Sets secondary weighing res. to .002KG and units to KG. CLE - CaLibration End COMMAND: CLE <ENT> Ends the calibration process and stores the results in the unit's internal memory.

  • Page 34: Cal" Command

    USING THE "CAL" COMMAND The "CAL" command may also be used to calibrate the scale. This command will cause the scale to enter the same calibration routine as the push button calibration process. After the "CAL" command is sent to the scale it will prompt the operator to press the calibration select key (SW4). (Brackets [] indicate scale display message) Push CALIBRATION SELECT Switch [CALSEL] The following is a list of prompts the terminal or computer would receive after calibration mode...
  • Page 35 USING THE “CAL” COMMAND (cont’d.) 64 Parity ( odd) ? {0 = none, 1 = odd, 2 = even} 65 Echo (no Ech)? 0 {0=no echo, 1=echo} 66 Comm Address (0)? 0 {0 to 255} 67 Power Diagnostics (0)? 0 {0=no, 1=yes} Configuration Step (70)? 70* 71 Set Time Flag ( 1)? 1...

  • Page 36: 7600 Series - Addendum- Section

    Special Programs INTRODUCTION The 7600 may be ordered with a number of different software program options for special application use. This addendum to the manual provides instructions on operational differences between these scales and the standard scale. The addendum instructions cover only the...

  • Page 37: Model 7X00 Ac/Dc Operating

    7XOO Series AD/DC Scales NOTE: These instructions cover only the operational differences between the AC/DC and the AC only scale. They are meant to be used in conjunction with the standard operator's manual. UNPACKING AND SET-UP: This scale has been shipped with the battery installed and ready for operation. Although the battery was fully charged when the scale was packed, it is recommended that the scale be plugged in and the battery charged for a full 12 hours before using on DC for the first time.
  • Page 38 To operate the scale on DC: 1. Disconnect the AC power supply/line cord from the AC outlet and the scale. Press the ON/OFF switch on the back of the scale to "ON" and hold it until the display lights up, then release the switch. The scale will first display the version number of the software, and then begin a diagnostic count down.

  • Page 39: Model 7600 4-20Ma Output

    Model 7600 4-20ma Analog Output This version 7600 is designed to output a 4-20ma analog signal, proportional to the weight on the scale in relation to full capacity. Operating Instructions: 1. Calibrate Using the Procedures Outlined in the 7600 Calibration Manual with the following exceptions: a.

  • Page 40: Model 7600 15 Digit Id, 2 Print Formats

    Model 7600 15 Digit ID, 2 Print Formats This version 7600 is designed to allow the storage and output of 2 print formats and entry of a 15-digit numeric Part ID. Operating Instructions: Entering An ID Number: 1. Press the ID button and key in the ID Number. During the keypad ID input, the display will show the 6 right-most digits of the ID.
  • Page 41 MODEL 7600 FORMATTED PRINT CODES (15 Digit ID Scale) Unique to this model Code Description Code Description Print Time Print “GROSS”, weight, units Print Date Print “TARE”, weight, units Print All Scale Information Print “NET”, weight, units Print Formatted Print Codes Print “COUNT”, count, pieces...

  • Page 42: Model 7600 40 Piece Weight Storage And Recal

    Model 7600 40 Piece Weight Storage and Recall This version 7600 is designed to allow storage and recall of up to 40 piece weights with a 6 digit numeric ID. NOTE: For this model the 2 Base option is not available.
  • Page 43 34 = Print “Piece Weight”, piece weight in use and current unit 38 = Print “ID” and ID number in use. NOTE: All other print codes operate as on a standard 7600. Please refer to the 7600 Calibration manual for a complete list of all print codes.

  • Page 44: Model 7600 Price Computing By Count

    Model 7600 Price Computing By Count This version 7600 is designed for ticket, coupon or game card counting with the option of entering a unit price and viewing the count, weight and total value. Operating Instructions: Counting And Price Computing Weights Using Sample: 1.
  • Page 45 34 = Print “UNIT PRICE”, and Unit Price Data 38 = Print “TOTAL PRICE” and Total Price Data NOTE: All other print codes operate as on a standard 7600. Please refer to the 7600 Calibration manual for a complete list of all print codes.

  • Page 46: Model 7600 With Accumulation

    LB is just used to represent the weight accumulation mode.) Manually Accumulate Count A LB Automatically accumulates the first stable non-zero weight A CNT Automatically accumulates the first stable non-zero count NOTE: Please refer to the 7600 Calibration manual for a complete list of all calibration steps.
  • Page 47 57 = Print “ACCUM TOTAL”, Accumulation Value, Units 58 = Print “TRANSACTION”, Transaction Register Value NOTE: Please refer to the 7600 Calibration manual for a complete list of all print codes. MODEL 7600 SERIES RS-232 SCALE COMMANDS Unique to this model...

  • Page 48: Model 7600 Basis Weight

    Model 7600 Basis Weight This version 7600 is designed to allow user-defined and preset basis weighing as well as normal gross, tare and net weighing. This allows an easy and accurate determination of lbs per dozen, KG per gross, lbs per linear foot and so on.
  • Page 49 34 = Print Basis Weight with prefix NOTE: All Print codes for counting functions have been changed as listed above or disabled. Please refer to the 7600 Calibration manual for a complete list of all print codes. MODEL 7600 RS-232 SCALE COMMANDS...

  • Page 50: Model 7600 Process Loss/Dockage/Comparitive

    Model 7600 Process Loss/Dockage/Comparative Weighing This version 7600 is designed to allow loss in process, dockage calculations and comparative weighing. This is helpful in any application where a comparative measurement is necessary. Using this system will allow the operator to determine dockage, shrinkage or lost in process calculations.
  • Page 51 34 = Print Memory Weight with prefix NOTE: All Print codes for counting functions have been changed as listed above or disabled. Please refer to the 7600 Calibration manual for a complete list of all print codes. MODEL 7600 SERIES RS-232 SCALE COMMANDS...

  • Page 52: Model 7600 Ups Worldship

    Model 7600 UPS Worldship This version 7600 is designed to interface with UPS Worldship Software while maintaining the normal weighing and counting features of the 7600. Operating Instructions: 1. Calibrate as a standard 7600 2. The communication protocols are fixed for use with UPS Worldship 3.

  • Page 53: Model 7600 Advanced Digital Filtering

    This version 7600 is designed an advanced digital filtering while maintaining the normal weighing and counting features of the 7600. This software is intended for any scale application that has environmental instability factors such as: Animal weighing, ship board or on-board vehicle weighing, in heavy air currents or in normal applications where the weighing or counting resolution are at the upper end of load cell performance.

This manual is also suitable for:

7600/4

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