Schmidt KXE-20 Operating Instructions Manual Download Page 1

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Tension Meter

KXE Series

Model KXE

Edition

KXE 02.1.E

Operating Instructions

Valid as of: 01.09.2011

• Please keep the manual for future reference!

S C H M I D T

c o n t r o l i n s t r u m e n t s

Summary of Contents for KXE-20

Page 1: ...Tension Meter KXE Series Model KXE Edition KXE 02 1 E Operating Instructions Valid as of 01 09 2011 Please keep the manual for future reference S C H M I D T c o n t r o l i n s t r u m e n t s ...

Page 2: ... 9 3 3 5 Zero Adjustment of the Measuring Position 9 3 4 Operating Procedure 10 3 4 1 Switching on Damping Mode 11 3 4 2 Changing the Damping Factor 11 3 5 Memory Modes 12 3 5 1 Memory Mode Selection 13 3 5 1 1 Data Logging in Mode S STANDARD 14 3 5 1 2 Data Logging in Mode C CONTINUOUS 14 3 5 1 3 Data Logging in Mode L LIMIT 15 3 5 1 4 Data Logging in Mode F FAST 16 3 5 2 Recalling the Stored Ten...

Page 3: ...nce and setup of the device Any unauthorized structural alteration of the device Insufficient inspection of device components that are subject to wear Opening the device or improper repair work Disasters caused by the effects of foreign objects or by force majeure 1 1 Notices within the Operating Instructions The fundamental prerequisite for the safe handling of this device and its troublefree ope...

Page 4: ...Training of the Personnel Only trained and instructed personnel is permitted to work with the device The responsi bilities of the personnel must be clearly defined for mounting commissioning operation setup maintenance and repair Trainees may only work with the device under the super vision of experienced personnel 1 6 Intended Use The device is intended exclusively to be used as a tension meter A...

Page 5: ... procedure Units of Measure daN Accuracy 1 FS 1 digit typically 0 5 FS Overrange 10 FS without accuracy guarantee Overload Protection 200 FS Measuring Principle Strain gauge bridge Signal Processing Digital 24 bit A D converter Damping Adjustable electronically averaging Measuring Frequency Approx 1 kHz internally Display Update Rate 2x per second Display 4 digit LCD height of digit 11 mm Memory A...

Page 6: ...e electronic tension meter has been developed according to the system of the INSTITUT TEXTILE DE FRANCE ITF It allows measuring warp tensions of 50 mm wide warps while the machine is running or at standstill It is a well known fact that accurate thread tension data can only be obtained when mea suring a single end at a time using a stationary tension meter The KXE model System ITF however allows s...

Page 7: ...the tension range of the instrument by more than 100 may cause permanent damage to the measuring spring and must be avoided under any circumstances 3 1 1 ID Plate CE Mark Calibration Label 3 2 Operating Elements Calibration label option SCHMIDT Quality Seal ID plate with CE mark and serial number fig 3 2 USB INTERFACE Handle Lever DISPLAY MEM key RECALL HOLD key POWER ZERO key SENSOR OUTER ROLLERS...

Page 8: ...apter 3 3 2 the battery needs to be recharged To ensure maximum battery life avoid discharging it completely or charg ing it frequently for short periods The battery should not be stored for a pro longed time when empty After a maximum storage period of one year the battery has to be recharged 3 3 1 Charging the Battery The battery can only be charged at a temperature between 5 C and 45 C Before y...

Page 9: ... stored in the KXE memory even after the instrument is switched off fig 3 3 4a fig 3 3 4b 3 3 5 Zero Adjustment of the Measuring Position Before starting measurement you need to carry out zero adjustment as described below each time the tension meter is switched on This procedure is necessary to compensate for the weight of the measuring roller in the measuring position The zero adjustment for the...

Page 10: ...down again It is important to assure that the warp passes smoothly between the MEASURING ROLLERS and the OUTER ROLLERS To measure the process material The DISPLAY now shows the measured tension values Error messages which might be displayed are described in Chapter 3 6 To remove the process material Push the LEVER in the direction of the arrow to lift the REFERENCE FRAME and the OUTER ROLLERS Remo...

Page 11: ...key The DISPLAY shows only the currently measured value 3 4 2 Changing the Damping Factor The tension meter is factory preset to a damping factor of 12 The tension values are thereby averaged for the display in the following way 12 old values 4 new values 16 The damping factor can be modified in 15 steps from 01 low damping 1 old value 15 new values 16 to 15 high damping 15 old values 1 new value ...

Page 12: ...ue Maximum value MAX Minimum value MIN Minimum peak value MIN PEAK Maximum peak value MAX PEAK Individual readings are not saved You can save up to 255 measuring periods Memory mode C CONTINUOUS The following values of a measuring period are calculated and all readings are additionally saved at a rate of 2 readings per second Average value Last value Maximum value MAX Minimum value MIN Minimum pea...

Page 13: ...LAY shows S The STANDARD memory mode is set Memory mode C CONTINUOUS If the DISPLAY shows C the CONTINUOUS memory mode is set Memory mode L LIMIT If the DISPLAY shows L the LIMIT memory mode is set Memory mode F FAST If the DISPLAY shows F the FAST memory mode is set When you have selected the desired memory mode you can release the MEM key The selected memory mode is now active and the tension me...

Page 14: ...EAK The MEM indicator stops blinking and remains on the display The tension meter shows the current reading and changes back to measuring mode To save the next measuring period Press the MEM key again The DISPLAY shows the memory mode S and the next memory number You can save up to 255 measuring periods 3 5 1 2 Data Logging in Mode C CONTINUOUS Requirements Tension meter switched on as described i...

Page 15: ...ings max 3 5 1 3 Data Logging in Mode L LIMIT Requirements Tension meter switched on as described in Chapter 3 3 2 Memory mode L LIMIT set as described in Chapter 3 5 1 Process material inserted as described in Chapter 3 4 To save the first measuring period Press and hold the MEM key until the DISPLAY shows the memory mode L and the current memory number Release the MEM key The tension meter start...

Page 16: ...al inserted as described in Chapter 3 4 To save the first measuring period Press and hold the MEM key until the DISPLAY shows the memory mode F and the current memory number Release the MEM key The tension meter starts logging the data at a rate of 100 readings per second While the tension data are stored the MEM indicator blinks on the DISPLAY and the currently measured value is displayed To stop...

Page 17: ...o recall the tension values Press the RECALL key You can end recall any time by pressing the POWER key The DISPLAY blinks showing the average value AVG of the first measuring period POS 1 and the symbol Press the RECALL key The DISPLAY blinks showing the last value LAST of the measuring period Press the RECALL key The DISPLAY blinks showing the maximum value MAX of the measuring period and the sym...

Page 18: ...inks showing the average value AVG of the first measuring period POS 1 and the symbol Press the RECALL key The DISPLAY blinks showing the last value LAST of the measuring period Press the RECALL key The DISPLAY blinks showing the maximum value MAX of the measuring period and the symbol Press the RECALL key The DISPLAY blinks showing the minimum value MIN of the measuring period and the symbol Memo...

Page 19: ...IMIT Requirement Tension meter switched on as described in Chapter 3 3 2 To recall the tension values Press the RECALL key You can end recall any time by pressing the POWER key The DISPLAY blinks showing the average value AVG of the first measuring period POS 1 and the symbol Press the RECALL key The DISPLAY blinks showing the last value LAST of the measuring period Press the RECALL key The DISPLA...

Page 20: ...alled Press the RECALL key The next measuring period POS 2 is shown on the DISPLAY starting with the average value AVG 3 5 2 4 Recalling the Stored Tension Values in Mode F FAST Requirement Tension meter switched on as described in Chapter 3 3 2 To recall the tension values Press the RECALL key You can end recall any time by pressing the POWER key The DISPLAY blinks showing the average value AVG o...

Page 21: ...the symbol Press the RECALL key The measured values no 1 n of the first measuring period can be recalled Press the RECALL key The next measuring period POS 2 is shown on the DISPLAY starting with the average value AVG 3 5 3 Clearing the KXE Memory If values are stored in the KXE memory the DISPLAY shows e g with the MEM indicator To clear the memory Simultaneously press the MEM and RECALL keys The...

Page 22: ...de the best results and is used for comparative purposes Requirements The ETX is factory calibrated for a horicontal material path fig 3 7 Tension meter switched on as described in Chapter 3 3 2 The required reference weight must be provided Verification procedure Interlace the ends of the tape Hang a weight which corresponds to the tension to be measured above a DEFLEXION ROLLER from the measured...

Page 23: ...Chapter 3 7 may cause deviating measuring results 5 1 Rollers You should regularly inspect the rollers to assure that they are running easily and smoothly The rollers can only be changed by the manufacturer Commands for communication with a PC polling ASCII Code Function Description s Send Transmission of the undamped reading d Send Transmit current reading to PC once r Output Output the memory co...

Page 24: ...f any such as freight customs clearance duty etc will be billed to customer For return from foreign countries we ask you to include a proforma invoice with a low value for customs clearance only e g 50 Euro each and to advise the shipment in advance by fax or eMail To avoid unnecessary follow up questions and the resulting loss of time or possible misunderstandings please return the instrument wit...

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