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LGL ECOPOWER 2 Instruction Manual

Yarn accumulator with separate coils
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ALIMENTATORE DI FILO A SPIRE SEPARATE
YARN ACCUMULATOR WITH SEPARATE COILS
DISPOSITIF D'ALIMENTATION DE FIL À BOBINES SÉPARÉES
SCHUSSFADENGEBER MIT GETRENNTEN WINDUNGEN
ALIMENTADOR DE HILO DE ESPIRAL SEPARADOS
İPLİK ARASI MESAFELİ İPLİK BESLEYİCİSİ
セパレート型コイル式 ヤーンアキュームレータ
MANUALE DI ISTRUZIONE
INSTRUCTION MANUAL
NOTICE D'INSTRUCTION
BEDIENUNGSANLEITUNG
MANUAL DE INSTRUCCION
KULLANMA KILAVUZU
取扱説明書

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Summary of Contents for LGL ECOPOWER 2

  • Page 1 MANUALE DI ISTRUZIONE INSTRUCTION MANUAL NOTICE D'INSTRUCTION BEDIENUNGSANLEITUNG MANUAL DE INSTRUCCION KULLANMA KILAVUZU 取扱説明書 ALIMENTATORE DI FILO A SPIRE SEPARATE YARN ACCUMULATOR WITH SEPARATE COILS DISPOSITIF D’ALIMENTATION DE FIL À BOBINES SÉPARÉES SCHUSSFADENGEBER MIT GETRENNTEN WINDUNGEN ALIMENTADOR DE HILO DE ESPIRAL SEPARADOS İPLİK ARASI MESAFELİ...
  • Page 2 Scope of supply: Design, manufacture and after sales service of yarn feeders, measuring winders, stands, creels and oil systems for textile machinery. TRADUZIONI DELLE ISTRUZIONI ORIGINALI. TRANSLATION OF THE ORIGINAL INSTRUCTIONS. TRADUCTIONS DES INSTRUCTIONS D’ORIGINE. ÜBERSETZUNG DER ORIGINALANLEITUNGEN. TRADUCCIÓN DE LAS INSTRUCCIONES ORIGINALES. ORJİNAL TALİMATLARIN TERCÜMESİ.
  • Page 3 Doc. no.: MAN/ECOPOWER2 Rev. 0 L.G.L. Electronics is gratified by your choice and thanks you for the preference yarn feeder INSTRUCTION MANUAL ISSUED BY: Service Date: 01/04/2022 Manager APPROVED BY: Technical Date: 01/04/2022 Manager...
  • Page 4 WARNINGS Power down the yarn feeder’s power supply box mains switch before beginning any power supply hook-up, maintenance or part replacement operations. During standard machine operation, the yarn feeder may suddenly start up without prior warning. CAUTION: the orange lights do not signal that the yarn feeder is ON, but that the feeder has gone into an alarm mode.
  • Page 5 WARNINGS ADVICE TO ALWAYS KEEP THE FEEDER IN PERFECT WORKING ORDER AND EXTEND ITS SERVICE LIFE. For an always satisfying performance of the yarn feeder over the years, we deem it advisable to provide you with some simple tricks: 1. At the time of installation, passing from the store to the warm knitting environment, Condensation may form on a yarn feeder that has been stored in cold places when this is brought into a warm area.
  • Page 6 INDEX GENERAL FEATURES Main parts – Control and adjustment points Overall dimensions Intended use – Technical and operational features Handling and storage instructions Input feeler Optical output sensor Yarn spool body winding reserve control feeler Yarn output detection feeler INSTALLATION AND START-UP Yarn feeder installation and start-up (AC version) 2.1.1 To be checked before switching power on (AC version) Yarn feeder installation and start-up (DC version)
  • Page 7 INDEX COMPONENT REPLACEMENT Replacement of the TWM tensioner Replacement of the bristle brush ATTIVO Attivo electronic tensioner OFFSET APPLICATION RANGE TWM tension modulator application ranges CONVERSION TABLE TROUBLE SHOOTING During installation During operation STRIPPING AND SCRAPPING...

  • Page 8: General Features

    1  GENERAL FEATURES 1.1 MAIN PARTS  CONTROL AND ADJUSTMENT POINTS Main Parts: 1• MOTOR 6 • OPTICAL OUTPUT SENSOR 2• TOP PANEL 7 • POWER CABLE CONNECTION 3• FLYWHEEL 8 • MAIN ELECTRONIC CONTROL BOARD 4• YARN SPOOL BODY 9 •...

  • Page 9: Overall Dimensions

    1  GENERAL FEATURES 1.2 OVERALL DIMENSIONS ECOPOWER2 featuring the TWM tension modulator Weight 2.2 Kg Ø100 ECOPOWER2 with ATTIVO electronic tensioner Weight 2.3 Kg Ø100...
  • Page 10 1  GENERAL FEATURES 1  GENERAL FEATURES 1.3 INTENDED USE  TECHNICAL AND OPERATIONAL FEATURES Intended Use: The ECOPOWER2 is a yarn feeder featuring separate coils, suitable for all types of knitting machines or for textile machines requiring yarn feed-in with constant tension. Optimised operation is provided with yarn counts ranging from 800 den (the thicker yarn counts) down to 5 den (fine yarn counts).

  • Page 11: Handling And Storage Instructions

    1  GENERAL FEATURES 1.4 HANDLING AND STORAGE INSTRUCTIONS Never pick the yarn feeder up by its yarn spool body, by its top panel or by its tensioning unit. The yarn feeder is supplied in an appropriate polystyrene casing; please store the casing for use during any future handling.
  • Page 12 1  GENERAL FEATURES 1.6 OPTICAL OUTPUT SENSOR The optical sensor featured by the yarn feeder provides automatic speed adjustment based on the quantity of yarn needed by the machine. For very fine yarn count processing (lower than 40 den), the sensor requires DIP SWITCH settings (paragraph 2.4 refers). Output sensor (photocell) 1.7 YARN SPOOL BODY WINDING RESERVE CONTROL FEELER...
  • Page 13 1  GENERAL FEATURES 1.8 YARN OUTPUT DETECTION FEELER The assembly of this detection feeler onto the feeder output, enables the machine to receive a stop signal that is relayed by the feeder when it detects output yarn snaps/breaks.

  • Page 14: Installation And Start-Up

    figures below must absolutely be complied with exactly. The brown cable (I) must be kept facing the signal lamps (C) (if the flat cable is supplied by LGL, the brown cable (I) can be identified by the arrows (L) printed on the flat cable).
  • Page 15 2  INSTALLATION AND STARTUP HORIZONTAL SET-UP VERSION For installation of the yarn feeder onto the machine, proceed as follows: - Fasten the clamp (F) with the screw (G) to the feeder; then block the clamp on the machine pipe using the grub screw (H) that is found in the clamp, placing the feeder with the proper inclination to operate.
  • Page 16 2  INSTALLATION AND STARTUP - Connect up the feeders to the flat cable (I) by means of the appropriate locking plate (L) then tighten it in with screw (M) located on the housing. CAUTION: when connecting the flat cable, keep to the printed reference marks showing the exact fixing position (the arrows (N) must point towards the front end of the feeder).
  • Page 17 2  INSTALLATION AND STARTUP 2.1.1 To be checked before switching power on (AC version)
  • Page 18 2  INSTALLATION AND STARTUP Be sure that the transformer is connected to the correct primary voltage Black Blue Yellow Brown Be sure that flat cables are connected to the transformer with the correct color sequence...
  • Page 19 2  INSTALLATION AND STARTUP 42-48 Vac 42-48 Vac...
  • Page 20 The yellow/green cable (I) must be kept facing the signal lamps (C) (if the flat cable is supplied by LGL, the yellow/green cable (I) can be identified by the arrows (L) printed on the flat cable). N.B.: Ensure that the stand onto which the yarn feeder is fastened is electri- cally grounded.
  • Page 21 2  INSTALLATION AND STARTUP HORIZONTAL SET-UP VERSION For installation of the yarn feeder onto the machine, proceed as follows: - Fasten the clamp (F) with the screw (G) to the feeder; then block the clamp on the machine pipe using the grub screw (H) that is found in the clamp, placing the feeder with the proper inclination to operate.
  • Page 22 2  INSTALLATION AND STARTUP - Connect up the feeders to the flat power cable (I) by means of the appropriate locking plate (L) then tighten it in with screw (M) located on the housing. CAUTION: when connecting the flat power cable, keep to the printed reference marks showing the exact fixing position (the arrows (N) must point towards the front end of the feeder).
  • Page 23 2  INSTALLATION AND STARTUP...
  • Page 24 2  INSTALLATION AND STARTUP Blue flat cable Yellow/green Brown Blue Yellow/green Brown Blue Blue flat cable...
  • Page 25 2  INSTALLATION AND STARTUP 2.2.1 Checklist before power on (DC version) SHORT-CIRCUIT TEST Resistance must be > 10 k CHECK CORRECT CABLE POSITION CHECK ON THE RING THE GROUND CONNECTION...
  • Page 26 2  INSTALLATION AND STARTUP 2.2.2 CAN-BUS cables connection Cables from LGL power box LGL power N.B: CAN BUS Version. If blue flat cable ends like in the following picture: RIGHT LEFT Arrows side A1C1SA1348 The CAN is terminated with a resistor on the cable, so DS4 must be OFF on all feeders.
  • Page 27 ATTIVO or read yarn consumption). On the DC Version (Blue Flat Cable) the address T-connector is installed on the feeder in LGL. The addresses are also marked outside feeder boxes, so that the operator can take the need- ed numbers.
  • Page 28 2  INSTALLATION AND STARTUP AC VERSION: Plug the T-connector into the serial communication port and carefully check to see that the number on the connector corresponds with the machine-feed number. Using its appropriate screw (36) fix the connector (35) to the outer feeder housing. If not already connected, connect up the relative cables as shown in figure below.
  • Page 29 2  INSTALLATION AND STARTUP FEED NO. 8 subsequent feeds FEED NO. 2 FEED NO. 1 to the machine...

  • Page 30: Dip Switch Settings

    2  INSTALLATION AND STARTUP 2.4 DIPSWITCH SETTINGS Access to the DIP-SWITCH is enabled by snapping off side cap located on the feeder housing. SETTING MEANING (Default Position = OFF) Z Rotation S Rotation SETTING MEANING (Default Position = OFF) Standard optical sensor sensitivity.
  • Page 31 2  INSTALLATION AND STARTUP DS1 DS2 DS3 DS4 Note: To enable the function performed by each Dip-Switch, the feeder needs to be switched off by acting on switch 0-1; then set the Dip-Switch to the desired position and switch the feeder on again. Alternatively, dip-switches 1, 2 and 3 can be programmed remotely via tablet or PC.
  • Page 32 2  INSTALLATION AND STARTUP 2.5 AC VERSION TRANSFORMER KIT Up to 10 Feeders Flat Cable Machine stop cable Ground to machine (Yellow/Green) 48 VAC from transformer Ground from transformer (Yellow/Green) Ground to machine (Yellow/ Green) Flat Cable Machine stop cable Ground from transformer 48 VAC from...
  • Page 33 2  INSTALLATION AND STARTUP 2.6 LARGE DIAMETER KNITTING MACHINES (ONLY DC VERSION) 2.6.1 Detection of yarn breakage on feeder outlet: KLS KIT This kit allows any irregular use of yarn by the machine to be detected without using any mechanical sensors.
  • Page 34 2  INSTALLATION AND STARTUP 2.6.2 KLS: automatic output stop motion system KLS system allows the feeder to stop the machine without using a sensor, in case of an output yarn break event. If the yarn gets broken between the feeder and the machine, the feeder will be able to detect the event and stop the machine.
  • Page 35 2  INSTALLATION AND STARTUP 2.6.3 Button for the learning procedure located on the KYC box Green Button Once the installation is finished and the machine is ready to start, perform the following learning procedure: 1. Press the button for the learning procedure until all feeders lights turn on (approximately 1s).
  • Page 36 3  THREADING AND ADJUSTMENTS 3.1 THREADING YARN FEEDER WITH THE TWM TENSION MODULATOR Yarn feeder threading must be carried out when the device is OFF and as illustrated below: PARTIAL THREADING COMPLETE THREADING COMPLETE THREADING ATTIVO VERSION To avoid damaging the TWM we recommend use of threaders that are in good condition with no yarn accumulation around the threader-ends.
  • Page 37 3  THREADING AND ADJUSTMENTS 3.1.1 Threading yarn feeder with B RAKE B RAKE OPEN...
  • Page 38 3  THREADING AND ADJUSTMENTS B RAKE READY...

  • Page 39: Speed Adjustment

    3  THREADING AND ADJUSTMENTS 3.2 SPEED ADJUSTMENT The ECOPOWER2 yarn feeder is provided with a microprocessor and an output sensor that enable automatic speed adjustment that conforms to machine feeder speed. No speed adjustment is therefore required by the operator. For applications that may require special operational conditions, please consult paragraph 2.4 herein.

  • Page 40: Maintenance Operations

    4  MAINTENANCE OPERATIONS 4.1 DISMOUNTING THE YARN SPOOL BODY In order to remove the yarn spool body, follow these steps: 1) Power down the yarn feeders by actuating the main switch located on the knitting machine. 2) Disconnect the feed strip cable and remove the feeder from the machine. 3) Unscrew the 3 set screws (11) and remove the guard (2).
  • Page 41 4  MAINTENANCE OPERATIONS 4) Unscrew the screw (16); unscrew the 3 fastening screws (13) that are on the thread winding cone (4) and remove the latter. 5) Remove the absorber that is fastened to the teetered hub by unscrewing the related fastening screws (18).
  • Page 42 4  MAINTENANCE OPERATIONS 7) Remove the winding assembly by taking it out of the shaft; the thin protection sheet (20) can be replaced by unscrewing the 3 fastening screws (21). The assembly shall be later fit back in place by matching the hole where the thin sheet is not fastened, as shown in the figure.
  • Page 43 4  MAINTENANCE OPERATIONS 9) Removal of the front magnet holder (28) must be carried out using the appropriate tool (29) that needs to be fixed onto the magnet holder being removed, using the three fixing screws (13) belonging to the yarn spool body. Once removed, detach it from the tool used for extraction.
  • Page 44 4  MAINTENANCE OPERATIONS 10) At this point the flywheel (30) can be removed. It is now also easy to replace the ceram- ic bushing (31) located in the yarn feeder shaft. 4.2 REPLACEMENT OF THE MAIN ELECTRONIC CONTROL BOARD The main electronic control board can only be replaced by a regularly authorised L.G.L.

  • Page 45: Component Replacement

    5  COMPONENT REPLACEMENT 5.1 REPLACEMENT OF THE TWM TENSIONER To remove the TWM tension modulator, proceed as follows: 1) Release the TWM tension modulator from the support ring by pressing on the retaining lugs. 2)Pull the knob with one hand and at the same time remove the TWM tension modulator.
  • Page 46 5  COMPONENT REPLACEMENT 3) If the ATTIVO brake is provided, press the release button. The lights will begin to flash fast. The TWM brake opens. It is only possible to act on the TWM unit when the flashing changes from fast to slow 4) Pay attention to the way the springs are fitted to the TWM unit support: the spring hook must be fitted facing outwards from the TWM unit in order...
  • Page 47 5  COMPONENT REPLACEMENT 5) If the ATTIVO brake is provided, when the new TWM unit has been installed, press the release button. The lights will change from slow flashing to fast flashing. The brake will then return to its previous working position.
  • Page 48 5  COMPONENT REPLACEMENT 5.2 REPLACEMENT OF THE BRISTLE BRUSH The operating procedures for replacing the bristle brush are as follows: 1) Release the bristle brush from the support ring by pressing on the retaining lugs. 2) Pull the knob with one hand and simultaneously remove the bristle brush.
  • Page 49 5  COMPONENT REPLACEMENT 3) If the ATTIVO brake is provided, press the release button. The lights will start flashing quickly. The bristle brush unit will open. You are allowed to operate the bristle brush unit when the latter shifts from fast blinking to slow flashing.
  • Page 50 5  COMPONENT REPLACEMENT 4) Pull the brush to be replaced out of the holder. Insert the new brush by pressing it into its support. Ensure that the ends of the bristles are joined when they are fitted into the ring. 5) If the ATTIVO brake is provided, once the new bristle brush unit has been fitted, press the release button.
  • Page 51 6  ATTIVO 6.1 ATTIVO ELECTRONIC TENSIONER ATTIVO is an electronic system that has been purposely conceived to hold yarn tension constant and programmable. The output sensor provides a real-time measurement of the output tension and an electric motor uses this value to adjust the position of the TWM tensioner.
  • Page 52 6  ATTIVO In addition to the two tension parameters, there are other parameters that may be relevant: Parameter Default setting Description Notes KLSCm Delay To speed up the To be set from 20 to 100. feeder’s response If it is too low, false stops are time, in case potential problems.
  • Page 53 6  ATTIVO Parameter Default setting Description Notes SM Man pos Useful in the event of breakage of the tension cell, for manual adjustment of yarn voltage. Use: Set TDes=0 Press the ATTIVO opening button. When the Attivo unit is fully open, press the button once again to close it.
  • Page 54 6  ATTIVO Parameter Default setting Description Notes Real speed Feeder speed in Max 4900 revs. per min revs per minute Yarn consumption in m/min= actual speed x 16.3 Rot s/z Src 1 = direction of rotation set by dip switch DS1 0 = direction of rotation read by...
  • Page 55 6  ATTIVO 6.2 OFFSET Upon first installation of this device, you need to enable the tension sensor to acquire the OFFSET function (mechanical error zero function). Follow the procedure below: - Remove the yarn from the tension feeder. - Switch off the feeder. - Press the release button and hold it pressed until the device light turns on.
  • Page 56 6  ATTIVO FEEDERS ALARMS By clicking on the STATUS button located on each feeder it is possible to ask feeders about their status. If a feeder has its lights ON or blinking, it means the feeder is in alarm condition. At the same time the feeder is sending an information about the alarm.
  • Page 57 6  ATTIVO In case feeders are OK, nothing will be shown on the display. Here below a list of the possible alarms: ALARM MEANING ACTIONS AC PWRFAIL phase number 2 (blue) Check input voltage and feeder and /or phase number connection on the flat cable 3 (yellow) are missing YARN BREAK...
  • Page 58 6  ATTIVO ALARM MEANING ACTIONS ON OFF switch in position Switch ON the feeder (see also EN OFF SWITCH OFF STP parameter) The feeder can’t reach Check the following: the preset tension value 1. The yarn is passing on the load cell, TENSMTRERR within a preset time 2.
  • Page 59 6  ATTIVO 6.3 ECOPOWER2 B RAKE The ECOPOWER2 B RAKE is a version of ECOPOWER2 ATTIVO that is made to reach higher yarn tensions. ECOPOWER2 ATTIVO load cell: range 0-50cN; maximum tensions depending upon yarn type, yarn count, yarn speed and brakes type: around 25-30cN. ECOPOWER2 B RAKE load cell: range 0-200cN;...
  • Page 60 6  ATTIVO The system is made by following parts: 1. The load cell which drives the rake motor 2. The rake motor 3. The rake which is responsible for the yarn tension setting and adjusting 4. A brake on the feeder with a manual adjustment to grant a minimum tension to the yarn. The yarn does not have to make any balloon on the feeder drum.

  • Page 61: Application Range

    7  APPLICATION RANGE 7.1 TWM TENSION MODULATOR APPLICATION RANGES TYPE OF YARN SPRINGS YARN RANGE Woollen yarns From 100 Nm to 15 Nm Cotton and viscose fibre yarns From 120 Ne to 10 Ne High-twist, crêpe and silk yarns From 20 Den to 120 Den High-twist, crêpe and silk yarns From 100 Den to 250 Den...
  • Page 62 7  APPLICATION RANGE With the new version of the chrome ring, it’s possible replace the truncated cone of TWM, keeping the disk, the o-ring and chrome ring already on TWM. With the old version it’s necessary replace the entire group.

  • Page 63: Conversion Table

    8  CONVERSION TABLE 8.1 Conversion table for the various yarn count systems den Dtex Ne den Dtex Ne 18.000 10,63 550 29,76 48.000 28,35 208 79,37 18.140 10,71 48.380 28,57 50.000 19.350 11,43 29,53 200 82,68 20.000 11,81 450 500 33,07 50.800 20.320 492 33,60 54.190...

  • Page 64: Troubleshooting

    9  TROUBLE SHOOTING 9.1 DURING INSTALLATION •If the yarn feeder will not work once it has been fitted onto the machine, (i.e. the orange lights won’t light up and the motor won’t run), check to see that the flat strip power cable has been connected correctly (par.
  • Page 65 10  STRIPPING AND SCRAPPING If stripping and scrapping of the machine is required, relative rating plates and all related documents must be destroyed or cancelled. If the machine is to be scrapped by third parties, only authorised centres are to be used for any waste recovery or disposal of the ensuing materials.
  • Page 72 F +39 035 733 146 Via Ugo Foscolo, 156 for any technical or commercial reason without prior lgl@lgl.it 24024 Gandino (BG) notice and without any obligation to supply these www.lgl.it Italy...

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