TR Instruction Manual - Dover Flexo Electronics, Inc

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2.3 INSTALLATION INSTRUCTIONSThe Model "TR" Transducer is very easy to install. Follow the same procedure as you would for anydead-shaft idler roll. The roll can rotate in either direction.1. VERIFY THE SHAFT LENGTH Measure the distance between the machine frames where thetransducer will be mounted to verify that the shaft length is correct.2. ORIENT THE TRANSDUCER (see figure 6) The transducer shaft must be turned so the Tension Forcearrow points in the same direction as the Tension Force. Tighten the shaft so it can not turn.Figure 6 - TENSION FORCE DIRECTIONNOTE: During installation and handling, be careful not to drop the transducer on its end. Damagecould result.3. ATTACH CABLE. Make sure cable does not get near the moving roll or web.2.4 HOW TO CHANGE THE ELECTRICAL CONNECTOR POSITIONIf needed, the electrical connector can be placed in any position relative to the tension force direction.Using clock face numbers as a reference, with the tension force direction at 6 o'clock (straight down), theconnector may be set in any position. The standard position is 6 o'clock. It may be changed easily byfollowing the procedures below.1. PROCEDURE1. Loosen but do not remove the clamp screw on the connector block.2. Hold the shaft with one hand and rotate the connector block with the other hand so the connector isin the desired position. DO NOT ROTATE THE HOUSING MORE THAN 1/2 TURN IN EITHERDIRECTION! The connector wires inside may be stretched or broken if the housing is turned toofar.3. Tighten the clamp screw.8
SECTION 3CALIBRATION3.1 INTRODUCTIONThere are no calibration adjustments on the Model "TR" Transducer itself. The instructions below are forthe electronic device which the transducer is connected to. All of the following terminology andprocedures assume that the transducer is connected to a Dover Flexo Electronics tension controller ortension indicator. If some other device is being used, you should follow the instructions furnished with it.These are general instructions which are correct for most DFE controllers and indicators, and are placedhere for your convenience. If you have any difficulty calibrating or if there is any discrepancy betweenthese instructions and those in the Instruction Manual for the indicator or controller, you should disregardthese instructions and follow the instructions in the Manual for the indicator or controller. The transducermust be properly installed and oriented as directed in Section 2.3.3.2 ZERO THE TENSION METER1. Turn the "POWER" switch OFF. If the meter does not read zero, turn the mechanical adjustment screwon the meter face so the needle indicates zero tension.2. Find an object of some kind that weighs at least 25% of the maximum value on the tension meter scale.(Be sure you know the exact weight).3. Find a rope, tape, or wire that will support the weight in 2. above.4. Verify that there is no web contacting the transducer roll. Turn the "POWER" switch on. Wait a fewseconds for the tension meter to settle. Turn the "CALIBRATE" pot. to approximately 75%. Then,turn the "ZERO" pot. so the tension meter reads zero tension.3.3 CALIBRATE THE TENSION METERSee Figure 7. Pass the rope over the Transducer Roll in exactly the same path as the web follows. Tie theend in the machine at least one idler roll beyond the Transducer Roll. Pass the other end by at least oneidler roll before the Transducer Roll. Be sure the rope does not pass over any driven rolls, braked rolls ordead bars. (This will cause inaccurate calibration). Attach the weight to the free end of the rope and let ithang without touching anything. Turn the "CALIBRATE" pot. so the tension meter reads the same as theweight. Remove the weight and rope. This concludes the calibration procedure.Figure 7 - WEB PATH9
Page 1 and 2: DOVER FLEXO ELECTRONICS, INC.ISO 90
Page 3: TABLE OF CONTENTSSECTION ONE DESCRI
Page 7 and 8: 1.4 SPECIFICATIONSExcitation Voltag
Page 9 and 10: SECTION 2INSTALLATION2.1 DIMENSIONS
Page 11: Figure 4 - TENSION ZONES3. WRAP ANG
Page 15 and 16: Figure 8 - BEARING LIFE NOMOGRAM11
Page 17 and 18: 4.3 DISASSEMBLY AND REASSEMBLYNOTE:
Page 19 and 20: 15. The disassembly procedure is sl
Page 21 and 22: SECTION 5TROUBLESHOOTING GUIDEThis
Page 23 and 24: SECTION 6REPLACEMENT PARTS(Model TR
Page 25 and 26: Appendix B:Selection of Load Rating
Page 27 and 28: Appendix C:Typical Tensions for Var
Page 29 and 30: DECLARATION OF CONFORMITYWe,Dover F
Page 31 and 32: INDEXAccessories ..................

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