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CiA 414-1 DS V1.1 CANopen device profiles for weaving machines – Part 1 General definitions(IGCO_414_1v01010001)(英文原版协议).pdf

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    CANopen Device profiles for weaving machines Part 1: General definitions CiA Draft Standard 414 Version: 1.1 18 June 2007 © CAN in Automation (CiA) e. V.
    DS-414-1 V1.1 HISTORY Date 2001-09-20 2007-06-18 CANopen device profile for weaving machines CiA Changes • Publication of version 1.0 as draft standard proposal • Publication of version 1.1 as draft standard o Partly re-chaptered o Minor editorial changes General information on licensing and patents CAN in AUTOMATION (CiA) calls attention to the possibility that some of the elements of this CiA specification may be subject of patent rights. CiA shall not be responsible for identifying any or all such patent rights. Because this specification is licensed free of charge, there is no warranty for this specification, to the extent permitted by applicable law. Except when otherwise stated in writing the copyright holder and/or other parties provide this specification “as is” without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. The entire risk as to the correctness and completeness of the specification is with you. Should this specification prove failures, you assume the cost of all necessary servicing, repair or correction. © CiA 2008 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from CiA at the address below. CAN in Automation e. V. Kontumazgarten 3 DE - 90429 Nuremberg, Germany Tel.: +49-911-928819-0 Fax: +49-911-928819-79 Url: www.can-cia.org Email: headquarters@can-cia.org 2  CiA 2008 – All rights reserved
    CiA CANopen device profile for weaving machines DS-414-1 V1.1 CONTENTS 1 Scope....................................................................................................................................... 4 2 Normative references ............................................................................................................. 5 3 Abbreviations........................................................................................................................... 6 4 Operating principles ................................................................................................................ 7 4.1 General............................................................................................................................ 7 4.2 Feeder sub-systems....................................................................................................... 7 4.3 Jacquard sub-systems ................................................................................................... 8 4.4 Dobby sub-systems........................................................................................................ 8 4.5 Loom controller ............................................................................................................... 8 5 Error handling.......................................................................................................................... 9 5.1 Principle........................................................................................................................... 9 5.2 Error behavior ................................................................................................................. 9 5.3 Additional error code meanings..................................................................................... 9 6 General communication parameters ................................................................................... 10 6.1 Object 1000h: Device Type ......................................................................................... 10 6.2 Object 1001h: Error Register....................................................................................... 11 6.3 Object 1029h: Error Behavior ...................................................................................... 11 6.4 Object 67FF: Device Type ........................................................................................... 12  CiA 2008 – All rights reserved 3
    DS-414-1 V1.1 1 Scope CANopen device profile for weaving machines CiA The device profile defines the CANopen interfaces for weaving machines. The specification comprises the following two parts: Part 1 : General definitions Part 2 : Feeders Part 1 defines the operating principles for the feeder sub-systems, the error handling and the general communication parameters. 4  CiA 2008 – All rights reserved
    DS-414-1 V1.1 2 Normative references CANopen device profile for weaving machines CiA /CiA301/ CiA 301 V4.1, CANopen application layer and communication profile  CiA 2008 – All rights reserved 5
    DS-414-1 V1.1 3 Abbreviations CANopen device profile for weaving machines CiA Controller area network Communication object CAN COB COB-ID COB-identifier SDO PDO RPDO Service data object Process data object Receive process data object 6  CiA 2008 – All rights reserved
    DS-414-1 V1.1 4 Operating principles CANopen device profile for weaving machines CiA Feeder sub-systems 4.1 General CANopen networks are not only used for embedded communication in weaving machines but also to integrate weaving machine sub-systems. In weaving machines, CANopen networks are used to integrate feeder, Jacquard and other sub- systems to the loom controller. The sub-system communication interface is compliant to CANopen application layer and communication profile. The interface is specified in device profiles, which define the application objects as well as the default PDO communication and mapping parameter. 4.2 Regarding the feeder sub-systems there are several architectures supported by the device profile for feeders. Each feeder may be connected directly via CANopen network to the loom system or it is linked to a multi-feeder control unit. Optionally the multi-feeder control unit uses an additional embedded CANopen network to link the individual feeder devices. The device profile for feeders supports all these system architectures. There are two main categories of feeders: • Feeders for weaving machines with fluid insertion of the yarn (these machines can be air jet weaving machines or water jet weaving machines). They will be referred to as ‘pre-measuring feeders’. • Feeders for weaving machines with mechanical insertion of the yarn (these machines can be: rapier weaving machines, projectile weaving machines, and others). They will be referred as ‘weft feeders’. The main difference between these two categories is that on fluid jet machines the length of yarn to be inserted in the current insertion (also called ‘pick’) is determined by the feeder itself while on mechanical machines the length of the insertion is mechanically determined by the weaving machine. On the pre-measuring feeders these means must be always present: • A mechanical mean to release the yarn and to stop it. This mean is normally called ‘pin’. • A sensor mean (typically a photocell) to detect the passage of each winding which leaves the feeder storage. By using this information feeder can command the pin in order to block the yarn passage and insert exactly the programmed number of windings. • A mean to adjust the diameter of windings wound on the feeder spool body. By adjusting the diameter together with the number of windings for each pick it is possible to release the exact length of yarn that matches the height textile. • A synchronized signal to indicate to the feeder, when open the pin in order to start the insertion. This signal must be synchronized with the starting of the main nozzle blow, which injects the air or the water together with the yarn. On the weft feeders, instead, there must be means only to control and/or detect the right reserve storage on the spool body. These means can be of various types: photocell-based, piezoelectric based, mechanical feeler, etc. and they could vary a lot depending on feeders manufactures. Typical accessories used on feeders (in general) are: • means to adjust or vary the weft tension. These means which are commonly • • These sensors are useful for stop the machine before the weft reserve is fully emptied. It can be used also in conjunction with the automatic color selection (installed on the weaving machine) for reducing the loom stops in case of yarn breakage. called ‘brakes’ can be mechanical only or electronically driven sensors to detect the absence of the yarn at the input side of the feeder  CiA 2008 – All rights reserved 7
    DS-414-1 V1.1 CANopen device profile for weaving machines CiA Jacquard sub-systems 4.3 To be defined 4.4 Dobby sub-systems To be defined 4.5 To be defined Loom controller 8  CiA 2008 – All rights reserved
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