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Yamato DP-8100 Technical Manual

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DP-8100
MODEL DP-8100
TECHNICAL MANUAL
YAMATO CORPORATION
P.O. Box 15070
Colorado Springs, CO 80960-0159
U.S.A.
Phone (719) 527-1500, Fax (719) 576-0498
Technical Man u al
YAMATO TECH CORPORATION
#112-19425 Langley By-Pass
Surrey, B.C. V3S 6K1
Canada
Phone (604) 533-2338, Fax (604) 533-0827
1
YCO-1083-07-01

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Summary of Contents for Yamato DP-8100

  • Page 1 DP-8100 Technical Man u al MODEL DP-8100 TECHNICAL MANUAL YAMATO CORPORATION YAMATO TECH CORPORATION P.O. Box 15070 #112-19425 Langley By-Pass Colorado Springs, CO 80960-0159 Surrey, B.C. V3S 6K1 U.S.A. Canada Phone (719) 527-1500, Fax (719) 576-0498 Phone (604) 533-2338, Fax (604) 533-0827...

  • Page 2: Table Of Contents

    A. Load Cell, Vibrating Wire, and A/D Board Removal and Replacement B. CPU Board Replacement VI. Troubleshooting VII. Parameter Setting Tables A. User's Keyword Mode B. Factory Parameter C. System Parameter D. Factory Parameter Settings VIII. DP-8100 Blowup and Parts List...

  • Page 3: Features

    DP-8100 Technical Man u al I. FEATURES Introduction and General Description The Yamato DP-8100 Series Scales are 1,500 external count units that incorporate the latest microprocessor technology. The DP-8100 is versatile and reliable. Standard Fea tures include: • zero tracking •...

  • Page 4: Specifi Cations

    DP-8100 Technical Man u al I. FEATURES (CONT.) Specifi cations MODEL: DP-8100 CLASSIFICATION: 1500 divisions, USDA accepted SCALE CAPACITIES/GRADUATIONS: Capacity Minimum Graduation 75 kg 0.05 kg 150 lb 0.1 lb 150 Kg 0.1 kg 300 lb 0.2 lb LOAD CELL: Parallelogram type (Vibrating Wire Load Cell) PLATFORM: Stainless Steel;...
  • Page 5 DP-8100 Technical Man u al I. FEATURES (CONT.) VIBRATING SENSOR: Sensor VP110 VP110 Type 75-CY 150-CY Specifi cation Capacity 75 kg / 150 lb 150 kg / 300 lb Initial Output 3150 +/- 20 3150 +/- 20 (Hz) No-Load Output...

  • Page 6: Display Layout

    DP-8100 Technical Man u al II. DISPLAY LAYOUT Capacity Display Hold OFF Key ON/ZERO Key Zero Stable Net Gross KG LB NET/GROSS Key TARE Key Platform *Press simultaneously to toggle between Kg and lb. weight OVERLOAD display weight UNDERLOAD display...

  • Page 7: Scale Setup

    DP-8100 Technical Man u al weight Low battery display weight Weighing detecting system trouble/defect. weight CPU trouble display III. SCALE SETUP 1) Carefully unpack the scale. 2) Follow instructions shown on battery cover to install batteries. Use four "C" size batteries. (Or optional AC adapter) 3) Place the unit on a fi...

  • Page 8: Calibration

    MODE allows scale technicians to change the capacity and minimum increment of the scale. (See VII. Parameter Settings for the specifi c parameter settings.) Figure 1: DP-8100 Modes When in the SYSTEM KEYWORD MODE or the USERS KEYWORD MODE, the display will look like "30 ;...

  • Page 9: Location Of Test Switch

    ING TO BE OPENED BY QUALIFIED TECHNICIAN ONLY." Remove the two screws which fasten this plate to the housing and remove the plate. Removing the plate will reveal the test switch. Press this switch to access the TEST MODE of the DP-8100. Span Adjustment Procedure 1) Turn the scale on and enter the TEST MODE by pressing the test switch.

  • Page 10: Parts Replacement

    (CONT.) Span Adjustment Procedure (cont.) When performing the span adjustment procedure on the DP-8100: Insure that the scale is stable at zero, then press T. Place 1/2 of the scale capacity (kg) on the platform and wait for the scale to become stable. Press T again and then place another 1/2 capacity load on the platform.
  • Page 11 DP-8100 Technical Man u al V. PARTS REPLACEMENT (CONT.) Figure 2: Vibrating Wire Figure 3: Vibrating Wire As sem bly...
  • Page 12 DP-8100 Technical Man u al V. PARTS REPLACEMENT (CONT.) 2) (cont.) h) Remove both 3 mm nuts. i) Remove both spring washers. j) Remove the steel, fl at washer from the LS. k) Remove the nylon, fl at washer from the LS.

  • Page 13: Cpu Board Replacement

    DP-8100 Technical Man u al V. PARTS REPLACEMENT (CONT.) 5) (cont.) c) Solder the (2) blue wires to the new vibrating wire. d) Replace both brass, threaded bars. e) Replace the ceramic ring on the LS and the stainless steel ring on the US.

  • Page 14: Troubleshooting

    DP-8100 Technical Man u al 7) (cont.) i) Remove the (2) battery holder screws. j) Remove the battery holder. k) Remove the (2) CPU screws. l) Remove the CPU board and test switch. m) Desolder the battery holder from the board (pads VB and 0V).

  • Page 15: Parameter Setting Tables

    VII. PARAMETER SETTINGS System Keyword Mode The Following chart is the parameter settings for the DP-8100 series scale when changing from lb. to lb./oz. 1. The parameters for the DP-8100 in the decimal pound confi guration. Capacity Parameters lb (kg) 150lb x 0.1lb...

  • Page 16: User's Keyword Mode

    DP-8100 Technical Man u al VII. PARAMETER SETTINGS (CONT.) VII. A User's Keyword Mode Function Description word value: Auto off time "auto off" off 001 - 060 auto off after 1 - 60 minutes Tare clearing at auto off Clear tare at switch on after auto off...
  • Page 17 DP-8100 Technical Man u al VII. B Factory's Parameters(con't) Function Description word value Weighing Unit No Unit Internal Resolution Do Not Set Zero Point Range 000-015 Fixed Single Increment Zero Point Range 000-100 Do Not Set Over 039 Over Scale...
  • Page 18 DP-8100 Technical Man u al VII. B Factory's Parameters(con't) Function Description word Value Stable Mark Displays the Stable Mark - Doesn't Display the Stable Mark - Display Hold Function Will Not Hold Hold For the weight more than Net + 10 Divisions...

  • Page 19: System Parameter

    DP-8100 Technical Man u al VII. C System Parameters (con't) Function Description word Temp Span Compensation 2 No Compensation (High Temp Side) Compensation on Plus Side (1 to 127) Compensation on Minus Side (-128 to -1 ) Span Coeffi cient 1...
  • Page 20 DP-8100 Technical Man u al VII. D Standard Factory Parameters Settings STD. SETTING word Function 75 kg 150 kg Span Coeffi cient 3 Mechanical Zero 1 Mechanical Zero 2 Mechanical Zero 3 Temperature Count 1 Temperature Count 2 Regional No. and Gravity...

  • Page 21: Dp-8100 Blowup And Parts List

    DP-8100 Technical Man u al VIII. BLOWUP DIAGRAM AND PARTS LIST...
  • Page 22 DP-8100 Technical Man u al VIII. BLOWUP DIAGRAM AND PARTS LIST ITEM PART # DESCRIPTION QTY. PRICE (EA) MCH-5000-046060 Screw, Round, Phillips, M3 x 8mm YAM-1400-001010 Bracket, Mounting, Column (1210) YAM-1400-001020 Gasket, Mounting Bracket Screw, M3 x 13 Screw, M3 x 13...

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