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Transducer Instruction

Manual

Range:

Ultra

Type:

CLT

Revision: V1.0

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Summary of Contents for CLT

Page 1: ...Transducer Instruction Manual Range Ultra Type CLT Revision V1 0 ...

Page 2: ...f Transducer Mounting Location 2 2 2 Installation Precautions 3 2 3 Mounting Surface Preparation 3 2 4 CLT SCM Installation 3 2 5 CLT FLCM Installation 4 2 6 CLT PBCM Installation 4 2 7 CLT BRCM Installation 4 2 8 Sensing Roller Installation 5 2 9 Temperature Compensation and Shaft Expansion 6 2 10 Hazardous Area Installation Intrinsic Safety 6 2 11 Single Transducer Operation 6 3 Transducer Force...

Page 3: ...ch convert this force into an electrical signal This signal is a combination of tension force and sensing roller dead weight The dead weight of the roller 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 tension 2 Installation 2 1 Selection of Transducer Mounting Location The transducer must be mounte...

Page 4: ...moved from the transducer before the machine is transported to prevent excessive shock being transmitted through to the transducer Failure to carry out these precautions could seriously damage the transducer and invalidate the warranty 2 3 Mounting Surface Preparation The mounting surface for the transducer should be rigid flat and clean Prepare the machine frame or mounting surface by removing an...

Page 5: ... The cable connector should bisect the web wrap angle Secure the transducer firmly to the machine frame with four mounting bolts 2 6 CLT PBCM Installation Mount the transducer and fix firmly to the machine frame with two fixing bolts Loosen but do not remove the four socket head screws retaining the lockplate on to the rear of the transducer Rotate the transducer body so that the tension resultant...

Page 6: ... a choice of adaptors with bores of 17 20 25 30 and 35mm diameter to accept a shaft to which a tension sensing roller or guide pulley can be mounted as shown below Two set screws at 90 degrees are used to hold the shaft in place The tension sensing roller or guide pulley should be dynamically balanced when the roller speed exceeds 300 RPM as excessive vibration can damage the transducer Any out of...

Page 7: ... are passive components and are classified as simple apparatus by EN 50014 Strain gauge transducers load cells will be damaged if subjected to the 500 volt insulation test required by EN 50020 To comply with Intrinsic Safety regulations the body of the transducer must be bonded to the IS earth using 4 square millimetre green yellow insulated cable Consult CMC Controls for more information NOTE It ...

Page 8: ...s or tension snatches may cause permanent damage The ultimate overload capability before breakage is 300 bearing damage may occur before this 4 1 High Output Signal With No Tension 1 Check for correct wiring to the transducer 2 Check cables and connectors for good continuity with an ohm meter do NOT use a megger 3 The transducer may have too low a MWF replace with a higher MWF transducer or reduce...

Page 9: ...ducer mounting 2 Check that the shaft clamp and transducer mounting bolts are secure 4 5 Transducer Strain Gauge Resistance The transducer has semiconductor strain gauges in a full bridge configuration The gauge resistances measured at room temperature with no load are shown in the table below Measurements taken between the following wires Corresponding M12 Connector Pins Target Resistance Alumini...

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