T Scale TFB sereis Service Manual Download Page 19

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TPF / TFB Series Floor Scale Service Manual

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7.2 Exploder Drawing

TPF / TPFS Drawing

TPF / TPFS Parts List:

No

Parts Name

Qty

Material

Spec

Star Screw

SUS

M6x10

Junction Box Housing Cover

Hexagon Screw

SUS

M5x10

Junction Box Cover

SUS

Star Screw

S18C

M4x8

Junction Box PCBA

Insulation Washer

EPDM

8x4.5

Internal hexagon Screw

SUS

M6x10

Junction Box Case

SUS

Cable Gland

Scale base

Screw Plug

M14

Summary of Contents for TFB sereis

Page 1: ...Service manual ...

Page 2: ...TPF TFB Series Indicator Service Manual 1 ...

Page 3: ...7 5 OPERATION 8 5 1 Operation 8 5 2 Operation Limits 8 5 3 Load Unload weighing 8 6 MAINTENANCE 9 6 1 Daily Check 9 6 2 Cleaning 9 6 3 General 10 6 4 Determine the problem 10 6 5 Testing Load cell 10 6 6 Check Indicator voltages 11 6 7 Problems and Solutions 12 6 8 Parts Replacement 13 7 DRAWING 15 7 1 Dimension 15 7 2 Exploder Drawing 16 ...

Page 4: ... the platform if there is any evidence of damage to the platform or supporting structure Changes to the weighing system s design are not permitted This may lead to incorrect weighing results safety related faults and destruction of the balance 1 4 Monitoring In the frame work of quality assurance the measuring related properties of the weighing system and if applicable test weight must be checked ...

Page 5: ... instructions in the manual Carefully read this manual before setup and commissioning even if you are already familiar with floor scales The appliance may only be operated and maintained by trained personnel 2 2 Transport and storage 2 2 1 Testing upon acceptance When receiving the appliance please check packaging immediately and the appliance itself when unpacking for possible visible damage 2 2 ...

Page 6: ... Construction Mild Steel A36 Carbon Steel Stainless Steel Type 304 Grade Level Within 3 of level Operating Temperature 0 C 40 C 32 F 104 F Resolution 3000 Load Cells 4 load cell ADC Sigma Delta ADC Update 1 10 second Stabilization Time One seconds typical Gross Weight 61kg and above 45kg and above Floor level distance 81mm above Packing Wood Box ...

Page 7: ...pacity Emax 500kg 1T 2T Sensitivity 3 0 0 003mV V Accuracy Class C3 Zero Balance 1 F S Input Impedance 400 20Ω Output impedance 352 3Ω Insulation Impedance 5000MΩ Temperature Range Compensated 10 C 40 C Temperature Range Operating 30 C 70 C Maximum Safe Overload 150 F S Ultimate Overload 180 FS Excitation Recommend 10 12V DC Excitation maximum 15V DC Protection Class IP68 Construction Alloy Steel ...

Page 8: ...tallation Accurate weighing results require a floor scale with perfect horizontal alignment During initial installation and after each change of work area it is necessary to level the floor scale Select a location that is flat solid level and full supports the weight of platform with full capacity load Use a forklift or other lifting means along with chains Cables or nylon straps to remove the sca...

Page 9: ...icator manual to ensure a proper calibration Note The floor scale is shipped fully assembled wired and corners calibrated Corner s Calibration The Junction Box Summing Box Assembly has four extended range multi turn potentiometer trim pot and one or two for each load cell 7Pin Connection Pin 1 Signal Pin 2 Signal Pin 3 Shield Pin 4 Exc Pin 5 Sen Pin 6 Sen Pin 7 Exc 5Pin Connection Pin 1 Signal Pin...

Page 10: ...e as the highest reading 7 Proceed clockwise repeat the adjustment to all corners of the scale until reading reach all corners is same Because the trim pot interact with one another any adjustment will affect the weight readings at all four corners of the scale Note If junction box has two trim ports for each load cell want to adjust both ports for each corner When moving the test weight s from th...

Page 11: ...r the edges or the ramps Check adjustment at regular intervals Avoid falling load shock loads and impacts from the side 5 2 Operation Limits The floor scales are designed extremely robust The load limits according to the following table should not be exceeded Depending on the type of load receptacle the static carrying capacity The maximum admissible load is Weighing Range 1000kg 2000kg 3000kg Cen...

Page 12: ...rm or damage to or destruction of the equipment 6 1 Daily Check Ensure that all four feet are in contact with the floor Ensure that the connecting cable to the display unit and the network connection cable of the display unit are not damaged Ensure that the balance is free from dirt especially under the edges of the balance 6 2 Cleaning Remove regularly corrosive substances Keep IP protection Prot...

Page 13: ...o a load cell simulator Reapply power and test the indicator If problem goes away its source is probably in the platform Check the wiring connecter load cells and mechanical components of the platform If problem persists its source is probably in the indicator Check the indicator voltages connecters cables and function programs 6 5 Testing Load cell For testing load cell remove power from the syst...

Page 14: ...ance Connect the load cell to a stable DC source of between 5 to 10V Connect multimeter to mV and connect to the load cell signal wires The meter should read 0 00mV approximately 1 of full load If the output reads greater than 10 of full scale capacity then the load cell will require replacement 6 6 Check Indicator Voltages If the problem is in the Indicator use a multimeter to check the following...

Page 15: ...he scale is in acceptable location Check the connecters and load cell Check the power supply and battery Weight value incorrect Calibration error Platform of load cell touching somewhere Wrong weighing unit Use accurate weight for to do the calibration Check the pan and load cell is installed proper and touching Check the parameter settings Check the load cell and connecters Can not use full capac...

Page 16: ...le Tie a string to the end of the cable attached to the defective load cell The string should be strong and long enough to pull the new load cell s cable through the platform structure The load cells s are fastened to the platform using two Head Cap Bolts Remove this load cell mounting bolts with a box spanner retaining the screws for reinstallation Lift the load cell and spacer plate from the mou...

Page 17: ...and store it within the platform Bolt the new load cell and spacer plate to the platform Apply an anti seize compound such as Never Seez to the threads of the mounting screws and tighten them with a calibrated torque Thread the load cell cable through the connector of the junction box Wire the new load cell cable to the proper summing connector Level the scale with the leveling feet Reattach the i...

Page 18: ...TPF TFB Series Floor Scale Service Manual 15 7 DRAWING 7 1 Dimensions in mm TPF TPFS TFB TFBS T ...

Page 19: ...ty Material Spec 1 Star Screw 4 SUS M6x10 2 Junction Box Housing Cover 1 3 Hexagon Screw 6 SUS M5x10 4 Junction Box Cover 1 SUS 5 Star Screw 4 S18C M4x8 6 Junction Box PCBA 1 7 Insulation Washer 8 EPDM 8x4 5 8 Internal hexagon Screw 2 SUS M6x10 9 Junction Box Case 1 SUS 10 Cable Gland 5 11 Scale base 1 12 Screw Plug 4 M14 ...

Page 20: ...anual 17 13 Internal Hexagon Screw 2 S18C M8x65 14 Washer 8 SPCC 16 5x8 5 15 Wheel 2 16 Nut 2 S18C M8 17 Spacer 4 18 Load Cell 4 19 Flat Washer 8 SPCC 23x12 5 20 Adjustable Foot 4 SUS304 21 Bolt 8 S18C 22 Spring Washer 8 TFB TFBS Drawing ...

Page 21: ... Left Platform base 1 3 Load Cell Shim 4 SUS 4 Load Cell 4 Steel 5 Flat Washer 8 SUS M12 6 Spring Washer 8 SUS M12 7 Hexagon Screw 8 Steel M12x50 8 Right Platform base 1 9 9 Pin Connector 2 10 Sealing Plug Nut 1 Nylon M16 12 Foot 4 SUS BJ 8 129 13 Junction Box 1 ABS 13 Star Screw 2 SUS M6x8 14 Protection Plug 1 Nylon M16 ...

Page 22: ...ucts Medical Scale Counting Scale Tabletop Scale Retail Scale Precision Scale Platform Scale Weighing Indicator Crane Scale Floor and Pallet Scale Accessory Software TSCALE has its manufacturing unit in Kunshan China ISO 9001 certified company OEM ODM partner more than 20 products have OIML certifications from Holland s NMI and Denmark s Delta TScale Electronics Mfg Kunshan Co Ltd 268 Zhujiawan Ro...

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