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APPENDIX A SETUP & CALIBRATION VALUES

APPENDIX A.

SETUP & CALIBRATION VALUES

TABLE A-1. SETUP & CALIBRATION VALUES

Capacity Graduation size with

LFT OFF

Graduation size

with LFT ON

Span calibration points

Linearity

calibration

points

0.0005, 0.001, 0.002,

0.005

0.001, 0.002, 0.005 5

2, 5

0.0005, 0.001, 0.002,

0.005, 0.01

0.002, 0.005, 0.01 5, 10

5, 10

0.001, 0.002, 0.005, 0.01 0.005, 0.01

5, 10, 15

5, 15

0.001, 0.002, 0.005,

0.01, 0.02

0.005, 0.01, 0.02

5, 10, 15, 20

10, 20

0.002, 0.005, 0.01, 0.02 0.005, 0.01, 0.02

5, 10, 15, 20, 25

10, 25

0.002, 0.005, 0.01, 0.02 0.005, 0.01, 0.02

5, 10, 15, 20, 25, 30

15, 30

0.002, 0.005, 0.01, 0.02 0.01, 0.02

5, 10, 15, 20, 25, 30, 40

20, 40

0.005, 0.01, 0.02, 0.05

0.01, 0.02, 0.05

5, 10, 15, 20, 25, 30, 40, 50

25, 50

0.005, 0.01, 0.02, 0.05

0.01, 0.02, 0.05

5, 10, 15, 20, 25, 30, 40, 50, 60

30, 60

0.005, 0.01, 0.02, 0.05

0.02, 0.05

5, 10, 15, 20, 25, 30, 40, 50, 60, 75

30, 75

100

0.005, 0.01, 0.02, 0.05,

0.1

0.02, 0.05, 0.1

5, 10, 15, 20, 25, 30, 40, 50, 60, 75, 100

50, 100

120

0.01, 0.02, 0.05, 0.1

0.02, 0.05, 0.1

5, 10, 15, 20, 25, 30, 40, 50, 60, 75, 100, 120

60, 120

150

0.01, 0.02, 0.05, 0.1

0.05, 0.1

5, 10, 15, 20, 25, 30, 40, 50, 60, 75, 100, 120, 150

75, 150

200

0.01, 0.02, 0.05, 0.1, 0.2 0.05, 0.1, 0.2

5, 10, 15, 20, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200 100, 200

250

0.05, 0.1, 0.2

5, 10, 15, 20, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200,

250

120, 250

300

0.02, 0.05, 0.1, 0.2

0.05, 0.1, 0.2

5, 10, 15, 20, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200,

250, 300

150, 300

400

0.02, 0.05, 0.1, 0.2

0.1, 0.2

5, 10, 15, 20, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200,
250, 300, 400

200, 400

500

0.05, 0.1, 0.2, 0.5

0.1, 0.2, 0.5

5, 10, 15, 20, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200,

250, 300, 400, 500

250, 500

600

0.05, 0.1, 0.2, 0.5

0.1, 0.2, 0.5

5, 10, 15, 20, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200,

250, 300, 400, 500, 600

300, 600

750

0.05, 0.1, 0.2, 0.5

0.2, 0.5

5, 10, 15, 20, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200,

250, 300, 400, 500, 600, 750

300, 750

1000

0.05, 0.1, 0.2, 0.5, 1

0.2, 0.5, 1

5, 10, 15, 20, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200,

250, 300, 400, 500, 600, 750, 1000

500, 1000

1200

0.1, 0.2, 0.5, 1

0.2, 0.5, 1

5, 10, 15, 20, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200,
250, 300, 400, 500, 600, 750, 1000, 1200

600, 1200

1500

0.1, 0.2, 0.5, 1

0.5, 1

5, 10, 15, 20, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200,

250, 300, 400, 500, 600, 750, 1000, 1200, 1500

750, 1500

2000

0.1, 0.2, 0.5, 1, 2

0.5, 1, 2

5, 10, 15, 20, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200,

250, 300, 400, 500, 600, 750, 1000, 1200, 1500, 2000

1000, 2000

3000 Series T31 Indicators Service Manual

A-1

Ohaus Corporation www.ohaus.com

Содержание 3000 Series T31P

Страница 1: ...SERVICE MANUAL 3000 Series T31 Indicators T31P T31XW Ohaus Corporation 19A Chapin Road P O Box 2033 Pine Brook NJ 07058 2033 973 377 9000...

Страница 2: ......

Страница 3: ...ate at the time of publication but Ohaus Corporation assumes no liability arising from the use or misuse of this material Reproduction of this material is strictly prohibited Material in this manual i...

Страница 4: ......

Страница 5: ...erface Commands 1 12 1 9 3 Output Format 1 12 1 10 Legal For Trade LFT 1 13 CHAPTER 2 TROUBLESHOOTING 2 1 Introduction 2 1 2 2 Visual Inspection 2 1 2 3 Diagnostic Guide 2 2 2 2 1 Diagnosis 2 2 CHAPTE...

Страница 6: ...easing Decreasing Load Test 4 2 5 1 T31P Indicator Housing Internal Parts 5 3 5 2 T31XW Indicator Housing Internal Parts 5 5 A 1 Setup Calibration Values A 1 B 1 Geographical Adjustment Values B 1 LIS...

Страница 7: ...and adjustments Chapter 5 Drawings and Parts Lists Contains exploded views of T31 Indicators identifying all serviceable components Before servicing the indicator you should be familiar with the Instr...

Страница 8: ...Load Cell Simulator optional 3 Computer with RS232 Interface for testing the RS232 communications 4 RS232 Interface cable 5 Data Printer for use with RS232 communications 6 ESD work station or mat 1 3...

Страница 9: ...5V DC Load Cell Drive Up to 4 x 350 ohm load cells Load Cell Input Sensitivity Up to 3mV V Stabilization Time Within 2 seconds Auto Zero Tracking Off 0 5 1 or 3 divisions Zeroing Range 2 or 100 of ca...

Страница 10: ...housing by carefully pulling the top of the front housing forward Below is a diagram of the T31 s Main PCB with connectors jumpers terminals and switches indicated The Load Cell Cable connects to Term...

Страница 11: ...to terminal block J7 See Figure 1 1 Re tighten the strain relief to ensure a water tight seal Strain Relief for RS232 cable Figure 1 4 Rear panel T31XW The RS232 wiring on the T31XW s Terminal J7 is...

Страница 12: ...g the charging process The battery is protected against over charging and the Indicator can remain connected to the AC power line Connect AC power to the indicator and allow it to charge While the bat...

Страница 13: ...r menu Menu Function Short Press Yes Accepts the current setting on the display No Advances to the next menu or menu item Rejects the current setting on the display and advances to the next available...

Страница 14: ...isplayed menu Accepts the displayed setting and advances to the next menu item No Skips by the displayed menu Rejects the displayed setting or menu item and advances to the next available item Back Mo...

Страница 15: ...ximately five minutes after stabilizing to room temperature 6 To abort calibration press the Exit button anytime during the calibration process 1 8 1 Geographical Adjustment Factor The Geographical Ad...

Страница 16: ...displays the actual weight value 1 8 3 Linearity Calibration Linearity calibration uses three calibration points the first with no weight on the scale the second at approximately half capacity the thi...

Страница 17: ...ing PAritY appears again Press No 6 StOP appears Press Yes The default Stop Bit setting 1 appears To change the setting press No 7 The menu toggles to the next setting each time you press No first 1 t...

Страница 18: ...print name software revision and LFT ON if LFT is set ON Esc R Global reset to reset all menu settings to the original factory defaults NOTES Commands sent to the Indicator must be terminated with a c...

Страница 19: ...E t U P appears Press Yes 3 rESEt appears Press No 4 LFt appears Press Yes 5 OFF appears Press Yes 6 LFt appears again Press No Continue to press No until END appears Press Yes Or simply press Exit a...

Страница 20: ...CHAPTER 1 GETTING STARTED Ohaus Corporation www ohaus com 1 14 3000 Series T31 Indicator Service Manual...

Страница 21: ...base damage from liquids cracks on corners which may suggest the unit was dropped 2 Open the Indicator by removing the four screws in the rear housing Be careful not to stretch the cables that connect...

Страница 22: ...nts 2 2 1 Diagnosis 1 Isolate and identify the symptom 2 Refer to Table 2 1 Diagnostic Guide and locate the symptom 3 Follow the suggested remedies in the order they appear 4 Perform the indicated che...

Страница 23: ...te Unstable environment Incorrect calibration mass Lock Calibration Menu set to On Lock switch on PCB is on LFT menu set to On Move the scale to suitable location Use correct calibration mass Set Lock...

Страница 24: ...CB CAL E Calibration Error Calibration value outside allowable limits Repeat calibration using correct calibration weights LOW rEF In Pieces mode the average piece weight of the parts is small warning...

Страница 25: ...e using a cloth dampened with a mild detergent 3 For the T31XW use approved cleaning solutions for the stainless steel Indicator housing and rinse with water CAUTION DO NOT USE CHEMICAL CLEANERS OR SO...

Страница 26: ...al Block J7 See Figure 1 1 5 On the T31P Disconnect the battery Pull the horizontal white tab plug connecting the RS232 Interface to the PCB s Terminal J6 See Figure 1 1 6 On both models Pull the whit...

Страница 27: ...using and disconnect the plastic ribbon cable that connects the Membrane Switch to the PCB 2 Carefully remove the old Function Label or Membrane Switch It is held in place with a strong adhesive 3 Cle...

Страница 28: ...y s base 15 Lift out the Power Supply 16 Position the replacement Power Supply with the screw holes aligned 17 Position the grounding wire over the screw hold on the right side insert the screw and ti...

Страница 29: ...acket that holds the Battery in place 7 Position the replacement Battery in the place of the old one 8 Reposition the bracket that holds the Battery in place and insert the four screws each with a was...

Страница 30: ...CHAPTER 3 MAINTENANCE PROCEDURES Ohaus Corporation www ohaus com 3 6 3000 Series T31 Indicators Service Manual...

Страница 31: ...t it to the Indicator power plug For the T31XW check that the power cord is not damaged 2 Plug the AC Adapter or power cord into a suitable power source 3 With the Indicator connected to an appropriat...

Страница 32: ...n the Indicator Perform a Span Calibration with zero at the simulator s zero setting and 100 capacity at the simulator s 2 0 milli volt setting 2 Following calibration check that the Indicator s displ...

Страница 33: ...hly checked after the replacement is made The balance MUST meet the parameters of all applicable specifications in this manual If further technical information is needed please contact your local Ohau...

Страница 34: ...ARTS LISTS DIAGRAMS 5 1 3000 SERIES T31P INDICATOR HOUSING INTERNAL PARTS Figure 5 1 Series 3000 T31P Indicator Housing Internal Parts Ohaus Corporation www ohaus com 5 2 3000 Series T31 Indicator Ser...

Страница 35: ...ability Label 2 Function Label 3 Top Housing 5 LCD Display with backlight 7 Main PCB 8 Battery Bracket Kit 9 Rechargeable Lead Acid Battery 10 Bottom Housing 11 Knobs Set of 2 12 Wall Mount Kit 13 Rub...

Страница 36: ...RTS LISTS DIAGRAMS 5 2 3000 SERIES T31XW INDICATOR HOUSING INTERNAL PARTS Figure 5 1 Series 3000 T31XW Indicator Housing Internal Parts Ohaus Corporation www ohaus com 5 4 3000 Series T31 Indicator Se...

Страница 37: ...with Gasket 5 LCD Display with backlight 7 Main PCB 10 Bottom Housing 11 Knobs with seals Set of 2 12 Wall Mount Kit 14 Cable Kit 15 Power Supply PCB 16 Power Supply Cover 17 Cable Fitting for AC Powe...

Страница 38: ...CHAPTER 5 PARTS LISTS DIAGRAMS Ohaus Corporation www ohaus com 5 6 3000 Series T31 Indicator Service Manual...

Страница 39: ...75 100 120 150 75 150 200 0 01 0 02 0 05 0 1 0 2 0 05 0 1 0 2 5 10 15 20 25 30 40 50 60 75 100 120 150 200 100 200 250 0 05 0 1 0 2 0 05 0 1 0 2 5 10 15 20 25 30 40 50 60 75 100 120 150 200 250 120 2...

Страница 40: ...6000 2500 5000 7500 0 5 1 2 5 2 5 5 10 15 20 25 30 40 50 60 75 100 120 150 200 250 300 400 500 600 750 1000 1200 1500 2000 2500 3000 5000 6000 7500 3000 7500 10000 0 5 1 2 5 10 2 5 10 5 10 15 20 25 30...

Страница 41: ...17 17 18 18 19 19 20 20 21 21 22 22 04 05 05 06 06 07 07 08 08 09 09 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 04 04 05 05 06 06 07 07 08 08 09 09 10 10 11 11 12 12 13...

Страница 42: ...66 24 67 57 67 57 69 35 69 35 71 21 71 21 73 16 73 16 75 24 75 24 77 52 77 52 80 56 80 56 85 45 85 45 90 00 23 23 24 24 25 25 26 26 27 27 28 28 29 29 30 30 31 22 23 23 24 24 25 25 26 26 27 27 28 28 2...

Страница 43: ......

Страница 44: ...80252598 P N 80252598 SERVICE MANUAL 3000 SERIES T31 INDICATORS...

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