TM140D Tension Meter 20186
Contents
1. 5 6 Adjustment of Full S cale Value TJs Y sJ q F J sq n UT 7 Sensor 7 peration J JqBqn JJ J nmm MM 8 Maintenance J np J JJJs qp qY qq 9 Fuse Replacement J q W qUJqs J sq q n n 9 C heck Terminal Values q J J p Es v 3 9 Troubleshooting E n aq q F TT qJnsn nn W 10 Mounting Dimensions y pp vJ JJ q q 12 S P s qJDsJqP Ns Js W 13 W arranty qsJJ Pq J Y YJ qY rs J 14 3 FORM NO L 20186 B 0702 INDUSTRIAL MEX 55 53 63 23 31 MTY 81 83 54 10 18 DIST AUTORIZADO 442 1 95 7260 ventasQindustrialmagza com INTRODUCTION Nexen s TM140D Tension Meter measures displays and provides proportional output signals based upon tension generated in a continuous strip process TM140D provides the excitation for two LDVT based MB Series tension sensing load cells The load cells measure web tension and provide a low voltage output signal proportional to that tension The TM140D amplifies the signals from the two load cells separately See Fig 1 and feeds the Digital Display and several output circuits with the resultant amplified signals The Read Out Selector Switch determines which of the buffered signals will be displayed on the Digital Display and at the Recorder Terminals These buffered2. Perform Zero Adjustment with no web on sensing roll and no other objects sitting or leaning on roll or sensors 1 SetPowerSwitch to ON 2 SetZero Tension Switch to OFF 3 SetRead Out Selector S witch to No 1 and adjust No 1 Zero Variable Resistor until Digital Display displays ZERO 4 SetRead OutSelector S witch No 2 and adjust No 2 Zero Variable Resistor until Digital Display displays ZERO NOTE When using only one sensor make sure that a jumper wire is provided between Terminals 5 and 6 5 SetRead Out Selector S witch to TOTAL The Digital Display must still show ZERO 6 SetZero Tension Switch to ON 7 Set Power Switch to OFF FORM NO L 20186 B 0702 INDUSTRIAL MEX 55 53 63 23 31 MTY 81 83 54 10 18 DIST AUTORIZADO 442 1 95 7260 ventasQindustrialmagza com SPAN DJUSTMENT Thread a rope or narrow web over the sensor roll in the normal web path making sure that the rope is in the center of the sensor roll Hang a known weight weight must be less than the Maximum Full Scale on one end of the rope Secure other end of rope to machine with the known weight held off the ground See Fig 10 Set Power Switch to O N For Two Sensor Calibration a Set Read out Selector S witch to No 1 and adjust No 1 Span variable resistor until the Digital Display shows one half the known weight on the rope b SetRead Out Selector Switch to No 2 and adjust No 2 Span
3. E Using four Wing Screws provided secure Mounting o Brackets to Mounting Shell See Fig 6 Insert Adjustment S crews and Jam Nuts into center hole of Mounting Brackets See Fig 6 Adjust screws until panel is firmly clamped between TM 140 Front Panel Bezel and Slides See Fig 6 Tighten Jam Nut 5 FORM NO L 20186 B 0702 H INAGZA MEX 55 53 63 23 31 MTY 81 83 54 10 18 DIST AUTORIZADO 442 1 95 7260 ventasQindustrialmagza com ELECTRICAL CONNECTIONS NOTE Use cables provided with MB Tension Sensor to connect MB Tension Sensors to TM140 D Use 18 AWG two connector cable External Terminals for all other connections See Fig 7 A SENSOR WIRING Tension Sensor Dual Sensors No 1 a Connect both Sensor Cables to TM140 D b Connect both Shields to Terminal 9 f 2 Single Sensor Sensor a Connect Sensor Cable as shown for Sensor 1 No 2 b Short across Terminals 5 and 6 with a jumper wire Control utput 4 20 mA B Reverse TENSION SENSING 1 Connect YELLOW wires of MB Sensor Cables to oue Tension Terminals 1 and 5 of TM140 D 2 Connect GREEN wires of MB Sensor Cables to External Meter Terminals 2 and 6 of TM140 D Output 1 mA AC Power C Remote TENSION INDICATOR Supply 1 Remove jumper from Terminals 14 and 15 2 Connect 1 mA remote meter leads to Terminals 14 and 15 Power Supply Voltage S electing D Apply AC power to Terminals 16 an
4. variable resistor until the Digital Display shows one half the known weight on the rope SetRead Out Selector S witch to TOTAL The Digital Display must read the known weight on the rope OPE RATION For Single Sensor Calibration Set Read Out Selector to No 1 and adjust No 1 Span variable resistor until the Digital Display shows the total known weight on the rope b SetRead Out Selector to No 2 and turn No 2 S pan variable resistor counterclockwise to ZERO C SetRead Out Selector S witch to TOTAL The Digital Display must read the total known weight on the rope Set Power Switch to OFF Start machine in operation with a web in place Set TM140 D Power Switch to Figure 11 1 3 Tension Indicator will display tension at No 1 Sensor No 2 Sensor or Total Web Tension as commanded by Read Out Selector S witch Recorder Terminals will put out a buffered signal proportional to the Digital Display with 0 to 10 volts being equal to zero to full scale in high range Recorder Terminals are also controlled by the Read Out Selector Switch The No 1 No 2 and Total signals at terminals 26 27 28 and 29 on the back panel See Fig 7 Page 3 are also proportional at 0 to 10 volts equal to Maximum Full S cale but are not controlled by the Read Out Selector S witch They constantly put FORM NO L 20186 B 0702 out the appropriate proportional and buffered
5. when the catch holds Zero Tension Fuse 1 The Zero Tension Fuse is located on the Main Printed Circuit Board It is rated at 0 2A Instant Blow To replace the Zero Tension Fuse remove the two screws from the front panel of the TM 140 D and remove the TM 140 D from the Mounting S hell See Sect Para A Steps 1 and 2 2 Remove the defective fuse from the fuse holder and replace with the 0 2 amp Instant Blow fuse provided 3 Install the TM 140 D into the Mounting Shell and re secure the two screws CHECK TERMINAL VALUES Referto Figure 13 Remove two screws from TM140 D front panel and slide TM140 D out of the Mounting Shell See Sect Il Para A Steps 1 and 2 This will expose the CHECK TERMINAL and COMMON PIN The COMMON PIN is used for checking all voltages except the power supply for the Tension Sensor When checking the Tension Sensor Power Supply circuit check Terminal 6 is used as COMMON CHECK CHECK ITEMS NORMAL CONDITION CP5 Power Supply for Sensor Reference Point About 46 VDC Power Supply CP6 Power Supply for O perational Amplifier About 15 VDC Power Supply for Operational Amplifier About 15VDC Signal Line 9 FORM NO L 20186 B 0702 Hs TNaAaGza MEX 55 53 63 23 31 MTY 81 83 54 10 18 Nr DIST AUTORIZADO 442 1 95 72 60 ventas industrialmagza com TROUBLESHOOTING START Are the DC power supply NO Go to A power supply voltages normal Chec
6. HESSTNAGZAL MEX 65 53 632331 MTY 81 83 54 10 18 DIST AUTORIZADO 442 1 95 72 60 ventas industrialmagza com WEB CONTROL PRODUCTS User Manual ne gt lt en gt gt gt lt P Tension Meter TM140 D 1 FORM NO L 20186 B 0702 MEX 55 53 63 2331 MTY 81 83 54 10 18 DIST AUTORIZADO 442 1 95 7260 ventasQindustrialmagza com In accordance with Nexen s established policy of constant product improvement the specifications contained in this manual are subject to change without notice Technical data listed in this manual are based on the latest information available at the time of printing and are also subject to change without notice Technical Support 800 843 7445 651 484 5900 www nexengroup com DANGER Read this manual carefully before installation and operation Follow Nexen s instructions and integrate this unit into your system with care This unit should be installed operated and maintained by qualified personnel N LY Improper installation can damage your system or cause injury or death with all applicable codes Nexen Group Inc 560 Oak Grove Parkway Vadnais Heights Minnesota 55127 ISO 9001 Certified Copyright 1999 Nexen Group Inc FORM NO L 20186 B 0702 2 BES Naacza MEX 55 53 63 2331 MTY 81 83 54 10 18 DIST AUTORIZADO 442 1 95 7260 ventasQindustrialmagza com TABLE OF CONTENTS n d 5 4
7. ance with any applicable Nexen installation or maintenance manual for the Product b the alleged defect is not attributable to normal wear and tear c the Product has not been altered misused or used for purposes other than those for which it was intended and d Buyer has given written notice of the alleged defect to Nexen and delivered the allegedly defective Product to Nexen within one year of the date of shipment Exclusive Remedy The exclusive remedy of the Buyer for any breach of the warranties set out above will be at the sole discretion of Nexen a repair or replacement with new serviceably used or reconditioned Product or issuance of credit in the amount of the purchase price paid to Nexen by the Buyer for the Products Limitation of Nexen s Liability TO THE EXTENT PERMITTED BY LAW NEXEN SHALL HAVE NO LIABILITY TO BUYER OR ANY OTHER PERSON FOR INCIDENTAL DAMAG ES SPECIAL DAMAGES CONSEQUENTIAL DAMAGES OR OTHER DAMAGES OF ANY KIND OR NATURE WHATSOEVER WHETHER ARISING OUT OF BREACH OF WARRANTY OR OTHER BREACH OF CONTRACT NEGLIGENCE OR OTHER TORT OR OTHERWISE EVEN IF NEXEN SHALL HAVE BEEN ADVISED OF THE POSSIBILITY OR LIKELIHOOD OF SUCH POTENTIAL LOSS OR DAMAGE For all of the purposes hereof the term consequential damages shall include lost profits penalties delay images liquidated damages or other damages and liabilities which Buyer shall be obligated to pay or which Buyer may incur based upon related to or arising
8. ch is not recommended by Nexen must first satisfy themselves that neither their safety or the safety of the product will be jeopardized by the service method selected Read O ut S elector S witch Tension Indicator Recorder Terminals 0 10 VDC BES TNaaGza MEX 55 53 63 23 31 MTY 81 83 54 10 18 DIST AUTORIZADO 442 1 95 7260 ventas industrialmagza com INSTALLATION NOTE TM140D is an electronic component and should be mounted in a dry dust free shock and vibration free area which has an ambient temperature of more than 32 F 09 C and less than 1222 F 502 C SHELF or WALL MOUNTING Remove two screws located in TM140D front panel See Fig 2 Remove TM140D from mounting shell See Fig 2 Install Mounting Brackets a ForShelf Mounting use the two mounting brackets and four wing screws provided See Fig 3 NOTE Brackets may also be mounted to the upper screw holes to allow under shelf mounting b For Wall Mounting secure two mounting brackets with the four wing screws provided See Fig 4 After mounting brackets have been installed secure mounting shell to shelf or wall using customer provided screws Reinsert TM140D into mounting shell and secure with two screws removed in Step 1 See Fig 2 PANEL MOUNTING Insert TM140D into cutout in panel See Fig 5 for Panel Cutout Dimensions 189 mm 7 44 in Insert Slides into grooves of TM140D mounting shell Panel Cut Out
9. d 17 Connect Wiring Earth Ground to Terminal 25 AC power can be 100 110 120 200 220 or 240 VAC either 50 or 60 Hz E Voltage Select Jumper wire connected to Terminal No 1 Tension 18 is connected to Terminal 24 240 V from the Measuring No 2 Tension factory If another voltage is applied at Terminals O utpput 16 and 17 then remove jumper from Terminal 24 0 to 10V Total Tension and connect to the proper terminal COM 6 SE Control Output 0 tp 10V Figure 7 FORM NO L 20186 B 0702 6 INDUSTRIAL DIST AUTORIZADO ADJUSTMENT OF FULL SCALE VALUE 1 Slide Adjustment Window to the left to open See Fig 8 2 SetPowerSwitch to ON 3 Set SW1 1 to OFF and SW 1 2 to ON See Table 1 4 Set SW 1 3 SW 1 4 according to Table 1 FULL SCALE VALUE DIGITAL READ OUT SWI 3 SWI 4 100 1999 Ib OFF OFF ON OFF OFF ON 10 0 99 99 5 00 9 99 Ib 5 Rotate VR1 to MIN Fully Counterclockwise See Fig 8 6 Rotate VR3 to obtain 000 on the Display 7 Rotate VR1 to MAX Fully Clockwise See Fig 8 SENSOR CALIBRATION MEX 55 53 63 23 31 MTY 81 83 54 10 18 442 1 95 7260 ventasQGindustrialmagza com 8 Rotate VR2 until Indicator reads maximum desired tension readout value This value can be anywhere between 0 and 1999 9 SetSW 1 1 to ON and SW 1 2 to OFF 10 Close Adjustment W indow 11 Set Power Switch to OFF Zero ADJUSTMENT NOTE
10. k voltages using the check circuit check YES terminal for the power supply Is tension normally indicated Go to tension when a load is applied released heck to from the sensor roll Does the indication on the Digital Sensor cece Display return to zero when the load is removed Does the indication reading change as the Seadout Selector switch is cycled Are each of the external output terminal readings normal The main board is defective No Fault A power supply circuit check Is the Voltage Selector J umper NO set to the AC power supply voltage used Set it to the power supply voltage being used Is the AC power supply voltage NO within the tolerance 10 Adjust the voltage within the tolerance Replace it with the specified fuse 0 2A Slow Blow Is the power fuse blown NO The power supply circuit board is defective FORM NO 1 20186 0702 10 INDUSTRIAL MEX 55 53 63 23 31 81 83 54 10 18 DIST AUTORIZADO 442 1 95 7260 ventasQindustrialmagza com power supply circuit check Is a voltage proportional to YES tension generated at check terminal CP4 Is the connector for Digital Display connected to the specified terminal YES Is the AC power supply voltage NO within the tolerance 10 Is the
11. out of its contracts with its customers or other third parties In no event shall Nexen be liable for any amount of damages in excess of amounts paid by Buyer for Products or services as to which a breach of contract has been determined to exist The parties expressly agree that the price for the Products and the services was determined in consideration of the limitation on damages set forth herein and such limitation has been specifically bargained for and constitutes an agreed allocation of risk which shall survive the determination of any court of compe tent jurisdiction that any remedy herein fails of its essential purpose Limitation of Damages In no event shall Nexen be liable for any consequential indirect incidental or special damages of any nature whatso ever including without limitation lost profits arising from the sale or use of the Products Warranty Claim Procedures To make a claim under this warranty the claimant must give written notice of the alleged defect to whom the Product was purchased from and deliver the Product to same within one year of the date on which the alleged defect first became apparent Group Inc 800 843 7445 560 Oak Grove Parkway Fax 651 286 1099 Vadnais Heights MN 55127 www nexengroup com ISO 9001 Certified FORM NO L 20186 B 0702 14
12. signal The External Meter Terminals 14 and 15 present a 0 to 1 milliampere buffered output which is also proportional to Maximum Full S cale The 4 to 20 milliampere signal at Terminals 10 and 11 and the 0 to 10 volt signal at Terminals 29 and 30 are also proportional to 0 to Full Scale but they are not buffered W hen tension falls to zero the normally open Zero Tension Relay contacts close This relay signal can be picked up at Terminals 12 and 13 The contacts are rated at 250 VAC 0 2A BES Naaza MEX 55 53 63 23 31 MTY 81 83 54 10 18 DIST AUTORIZADO 442 1 95 7260 ventasQindustrialmagza com MAINTENANCE Nexen s TM140 D does not require maintenance Periodically check that the pillow block bearings mounted to the Tension Sensors have not moved Nexen also recommends checking Zero and Span Adjustment See Sensor Calibration if close accuracy is required FUSE REPLACEMENT TM 140 D has two protective fuses One fuse is in the incoming AC line the other fuse protects the Zero Tension circuit from the feedback voltage resulting from damage to the device connected to the Zero Tension Terminals AC Line Fuse 1 AC Line Fuse is rated 0 2A Slow Blow It is located on the back panel by the Terminal block Lift the catch below the fuse holder to remove the gl fuse holder 2 Replace the fuse with the Slow Blow 0 2 amp spare fuse provided 3 Reinstall the fuse holder making sure it clicks into place
13. signals are also present at Terminals 26 27 and 28 located on the back panel of the TM140D These three terminals are not affected by position of the Read Out Selector Switch The total tension signal is also presented as a 4 to 20 mA signal at Terminals 10 and 11 and as a 0 to 10 VDC signal at Terminals 29 and 30 These two signals are not buffered or filtered Buffer Buffer Terminal Block Connections on Back Panel FORM NO L 20186 B 0702 A Zero Tension Circuit is also provided The Zero Tension Circuit closes a Normally pen relay when tension drops to a low level as would occur during a web break This circuit is controlled with a front panel switch and may be disabled when running at extremely low tensions to prevent nuisance tripping Read this manual carefully making full use of its explanations and instructions The Know How of safe continuous trouble free operation depends on the degree of your understanding of the system and your willingness to keep all components in proper operating condition Pay particular attention to all NOTES CAUTIONS and WARNING S to avoid the risk of personal injury or property damage It is important to understand that these NOTES CAUTIONS and WARNINGS are not exhaustive Nexen can not possibly know or evaluate all conceivable methods in which service may be performed or of the possible hazardous consequences of each method Accordingly anyone who uses a procedure whi
14. sum of CP1 CP2 NO generated at CP3 YES NO NO Can Zero adjustment be made YES Is Sensor s load plate in YES contact with limiting stops NO Are the voltages between external terminals 2 and 29 and between 6 and 29 changed when turning No 1 and No 2 Zero Adjustment VR s Are the voltage changes be tween 1 and 29 and between 5 and 29 the same as above YES NO Can Span adjustment be made YES Is a voltage proportional to the tension value generated be YES tween external terminal 1 and 2 or 5 and 6 YES Does the Digital Display return to zero when tension is reduced to zero Is the connector for Digital Display connected to the specified terminal YES No fault in the Tension sensor 11 Connect to the specified connector AX1 is defective External terminal 14 and 15 are not short circuited Or external indicator 1mA ameter is not connected HIC is defective RANGE Switch is defective HIC is defective Unsuitable pillow block mounting Sensor roll weight too high Sensor is defective Zero Adjustment circuit is defec tive Incorrect external wiring or sensor is defective HIC is defective Working force is small compared to sensor s load range Unsuitable wrap angle Sensor is defective Span is outside of specified range HIC is defective Do not apply excessive force to sensor otherwise hys
15. teresis will occur Sensor is defective FORM NO L 20186 B 0702 Hs TNaAaaGzaA MEX 55 53 63 23 31 MTY 81 83 54 10 18 DIST AUTORIZADO QRO 442 1 95 7260 ventasQindustrialmagza com MOUNTING DIMENSIONS FORM NO L 20186 B 0702 12 Hs Naaza MEX 55 53 63 23 31 MTY 81 83 54 10 18 NJ DIST AUTORIZADO QRO 442 1 95 72 60 ventas industrialmagza com SPECIFICATIONS Rated Torque Y T T J Y 5 10 20 50 100 200 300 500 1000 Ibs or kg Power Supply UT t q 100 110 120 200 220 and 240 VAC 50 60 Hz Ambient Temperature 32 to 122 F 0 to 50 C Weight 3 3 Ibs 1 5 kg CONTROL OUTPUT 13 FORM NO L 20186 B 0702 BES TNAGzA MEX 55 53 63 23 31 MTY 81 83 54 10 18 DIST AUTORIZADO 442 1 95 7260 ventasQindustrialmagza com WARRANTY Warranties Nexen warrants that the Products will be free from any defects in material or workmanship for a period of 12 months from the date of shipment NEXEN MAKES NO OTHER WARRANTY EXPRESS OR IMPLIED AND ALL IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT NESS FORA PARTICULAR PURPOSE ARE HEREBY DISCLAIMED This warranty applies only if a the Product has been installed used and maintained in accord
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