Absolute Measurement ACDF-3 Instruction Manual Download | Manualshive

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Transducer Instruction

Manual

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Type:

ACDF

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Revision: V1.0

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Summary of Contents for ACDF-3

Page 1: ...Transducer Instruction Manual Range Advance Type ACDF 3 Revision V1 0 ...

Page 2: ...on of Transducer Mounting Location 2 2 2 Installation Precautions 3 2 3 Mounting Surface Preparation 3 2 4 Bearing Lubrication 3 2 5 Sensing Roller Balance 3 2 6 Transducer and Sensing Roller Installation 4 2 7 Temperature Compensation and Shaft Expansion 4 2 8 Hazardous Area Installation Intrinsic Safety 5 2 9 Single Transducer Operation 5 2 10 Transducer Electrical Connections 5 3 Transducer For...

Page 3: ...ing roller shaft The tension force applied to the sensing roller must pass freely through to the transducer which converts this force into an electrical signal This signal is a combination of tension force and sensing roller dead weight The dead weight is zeroed out electrically in the indicator or controller leaving the tension force signal only to be amplified to give a true display of measured ...

Page 4: ...The close concentricity of this mounting spigot to the bearing diameter allows parallel path rollers and thus avoids web tracking problems No appreciable force should be transmitted through the four fixing bolts See the Transducer Dimensions drawing for full details 2 4 Bearing Lubrication The bearing normally fitted by CMC Controls is without seals and has only the bearing manufacturers preservat...

Page 5: ...ers to be reduced by at least 8mm to permit the transducers and roller assembly to fit inside the machine frames for installation The transducers may also be fitted on the outside faces of the frames to allow full use of the machine width Alternatively provision must be made to fit the complete transducers and roller as an assembly into the machine axially The bearing is retained in the transducer...

Page 6: ...haft and the transducer output signals are summed to give a measurement of Total tension For those installations where only one transducer is required a Dummy Transducer Part Number 4431 may be needed to complete the full Wheatstone bridge For single transducer installations the MWF calculation see below should be derated by a factor of 1 5 consult CMC Controls for more information 2 10 Transducer...

Page 7: ...r Tampering or damage caused during installation will invalidate the warranty The signal output from the transducer with the recommended 5 6V DC excitation is 250mV nominal when the transducer is loaded to its maximum working force MWF The transducer has built in mechanical overload stops which operate at approximately 125 of the MWF Forces above 150 of MWF particularly transients or tension snatc...

Page 8: ...citation voltage may be too low 4 3 Wrong Polarity of Output Signal 1 Check that the web path is correct 2 The transducer may be incorrectly orientated rotate 180 to correct this If rotation is not possible interchange the transducer excitation supply or output signal leads at the indicator or controller terminals 4 4 Output Signal Not Linear Zero Shifts During Operation 1 Check that there is no d...

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