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Models 6702, 6710, and 6720
User Manual

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Summary of Contents for NCI 6702

  • Page 1 Models 6702, 6710, and 6720 User Manual...
  • Page 2 UNITED STATES UNITED STATES This equipment has been tested and found to comply with the limits for This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These a Class A digital device, pursuant to Part 15 of the FCC Rules.
  • Page 3: Specifications

    IMPORTANT ! Weights & Measures requires inspection of scale before scale is placed into operation Model Capacity (lb) Capacity (kg) Divisions Capacity / 6702 - 7 10 x .005 7 x .002 2000/3500d Resolution 15 x .005* 3500d 6702 - 15 30 x .01...
  • Page 4: About This Manual

    About This Manual This manual covers the service needs of the model 6702, 6710, and 6720 Point of Sale (POS) bench scales. This maul is divided into these general areas: • About This Manual • Modes of operation Diagnostics Mode...
  • Page 5 Modes of Operation - Continued Top view of 6720 scale with platter removed Figure 2 6720 Switch Location With switch 1 in the Menu Mode or Open position, there are three modes available to you. They are as follows: Diagnostic Mode - used to test areas of the scale’s function Configuration Mode - used to configure your scale for your application Calibration Mode - used when calibrating the scale The structure for these menus is shown in Figure 3.
  • Page 6 Normal Weighing Press the ZERO key to move in the menu. Mode Press the TEST key to move in the menu. Set switch 1 to the OPEN position After making a selection the display generally Figure 3 returns to the first parameter in the list. 67XX Menu Structure After choosing donE, the display shows dIAG.
  • Page 7: Diagnostics Mode

    Diagnostics Mode Diagnostic (dIAG) The diagnostic (dIAG) mode menu lets you test specific areas of the scale’s function. These areas are: Mode Display (dISP) - - Shows the version and revision of the software, followed by a display segment test. RAM (rA) - Performs a non-destructive test of RAM in the processor.
  • Page 8 Diagnostics Mode - continued Step-by-Step 5. Press the TEST key to perform Instructions for the RAM test. . . PASS or FAIL is displayed briefly, then dIAG Mode dISP. If the test fails, contact your local Weigh-Tronix distributor for service. Press the ZEROkey to scroll through lists of 6.
  • Page 9: Configuration Mode

    19.2 n 19,200 none Protocol (Prot) - Select the RS-232 communication protocol from below: NCI - NCI standard ECR - Cash resister compatible 8213 - 8213 compatible (Sharp) 2250 - 2250 compatible (Swintec) 34-F - 34-MF compatible (Sweda-Mexico) ATT - A T & T compatible...
  • Page 10 Configuration Mode- Continued Follow these steps to access and configure the items in the ConF menu. Refer to Step-by-Step figure 3. Instructions for 1. From the dIAG display press the ZERO key ConF Mode From normal weighing mode, move switch 1 to Menu Mode or OPEN position, then press the ZERO key.
  • Page 11: Calibration Mode

    Calibration Mode The calibration (CAL) mode menu lets you calibrate your scale. The items in the calibration menu are as follows: Line Frequency (50 or 60H) - Select the AC line frequency you are using. Pounds/Kilograms (LB or KILO) - Selects the unit of measure of your calibra- tion test weights.
  • Page 12: Error Codes

    Calibration Mode - Continued 7. Place ten pounds of test weights on the scale and press the TEST key. After a brief wait DONE is displayed. 8. Press the TEST key. . . DIAG is displayed. 9. Return switch 1 to the closed position.
  • Page 13 DE-9 connector and is only capable of communicating in the EIA Standard RS-232 method. This standard will be used by all products other than ECR scales. NCI Serial Communications Symbol Key: <ETX> End of Text character (03) hex Protocol <LF>...
  • Page 14 Communication - Continued Implementation of this command will be mandatory. This command causes the scale Weight to return to a WYSIWYG (What you see is what you get) of its display when it is in Command ("W") normal weighing mode. That is, the scale will send whatever is showing on its display including any minus sign/and or decimal point.
  • Page 15 Communication - Continued High Resolution This command will be optional. It is the same as the "W" command except that when Command ('H') weight is returned, it is returned with ten times the scale's displayed resolution. Thus, for decimal weight, the length of the weight field is equal to the length of the scale's display plus three or four, and for pounds-ounce it will be the display length plus five or six (depending on the presence of a decimal point.) Undefined...
  • Page 16 Communication - Continued Serial Data Baud Rates: 1200, 2400, 4800, 9600, or 19.2K Transmission Word Length: 10 Bits 1 Start, 7 Data, 1 Parity, 1 Stop Modem control lines will not be supported Parity Even, Odd, or None for RS-232. The scale is DTE The 15 pin version of the 67XX is shipped configured to function as a 4-Bit Parallel 4-Bit Parallel...
  • Page 17 Communication - Continued The scale end of the interface cable plug is a DA 15 pin socket. The other end is as Interface Cable required by your application Below is a pin and signal list for the DA 15 pin interface cable RS-232 4-Bit Parallel Data 1...
  • Page 18 3990 Brickway Blvd. Santa Rosa, CA 95403 Telephone 1 707-527-5555 1 800-982-6622 Facsimile 1 707-579-0180 1 800-847-6743 01/20/98 PN 7424-14787C Printed in USA...

This manual is also suitable for:

67106720

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