1、 Reference number ISO 23570-3:2009(E) ISO 2009INTERNATIONAL STANDARD ISO 23570-3 Second edition 2009-07-01 Industrial automation systems and integration Distributed installation in industrial applications Part 3: Power distribution bus Systmes dautomatisation industrielle et intgration Installation
2、distribue dans les applications industrielles Partie 3: Bus de distribution dnergie ISO 23570-3:2009(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are e
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7、ished in Switzerland ii ISO 2009 All rights reservedISO 23570-3:2009(E) ISO 2009 All rights reserved iii Contents Page Foreword iv Introduction v 1 Scope . 1 2 Conformance. 1 3 Normative references . 1 4 Terms and definitions. 2 5 Requirements for power bus . 2 5.1 General. 2 5.2 Cables and cable as
8、semblies 2 5.3 Connectors 2 5.4 Motor controllers 3 5.5 Power supplies 3 5.6 Cable assembly termination 3 6 Connection of motors to motor controllers .4 6.1 Connectors 4 6.2 Cables 9 Annex A (normative) Design specification for power bus connectors 13 Annex B (normative) Design specification for typ
9、e 1 motor/controller connectors . 19 Annex C (normative) Design specification for type 2 motor/controller connectors . 23 Annex D (normative) Design specification for type 3 motor/controller connectors . 28 Annex E (informative) Reference colours 37 Bibliography . 38 ISO 23570-3:2009(E) iv ISO 2009
10、All rights reservedForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a su
11、bject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (
12、IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical commi
13、ttees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not b
14、e held responsible for identifying any or all such patent rights. ISO 23570-3 was prepared by Technical Committee ISO/TC 184, Automation systems and integration, Subcommittee SC 1, Physical device control. This second edition cancels and replaces the first edition (ISO 23570-3:2006), of which it con
15、stitutes a minor revision. The following significant changes have been made to the first edition: a) addition of a third variant of motor connectors which is especially suitable for smaller motors, either in physical size, in power capacity, or both, and which can be used to interconnect the motor c
16、ontroller and the auxiliary motors; b) extension and reorganizion of the contents of Clause 6 in order to describe the new motor connector; c) addition of a new Annex D, which describes the design elements of the new motor connector; d) renumbering of previous Annex D as Annex E. ISO 23570 consists
17、of the following parts, under the general title Industrial automation systems and integration Distributed installation in industrial applications: Part 1: Sensors and actuators Part 2: Hybrid communication bus Part 3: Power distribution bus ISO 23570-3:2009(E) ISO 2009 All rights reserved v Introduc
18、tion Modern machine tools for the discrete parts manufacturing industry are complex systems, consisting of subsystems for material preparation (metal removal, material forming, etc.), material handling, fixturing and transfer lines for moving parts from one station to another. Each subsystem, in tur
19、n, is itself a complex system, including many sensors, actuators and control elements that receive and transmit electric signals and/or require electric power. To reduce down time in case of failure, most of them use cable assemblies for quick replacement. Proper operation of the system as a whole r
20、equires co-ordination of the subsystems, which requires more cables and connectors. As a consequence of this complexity, a large variety of cables and connectors are required for the proper operation of such a machine tool. The increasing number of sensors, actuators and control elements leads to an
21、 increasing variety of such cable assemblies. This variety results in increased maintenance costs due to complexity, large spare parts inventory and increased training costs for maintenance personnel. ISO 23570 prescribes a set of requirements for cables, connectors and parameter selections within t
22、hese elements, which, if implemented completely, will greatly reduce the wiring complexity and maintenance cost of such machine systems. The manufacturer of such systems will benefit in terms of decreased complexity costs, and the user of such systems will benefit in terms of decreased down time bec
23、ause of decreased parts inventory and simplified maintenance training. The technology described in ISO 23570 may have applicability to other industries and processes, i.e. there is no intent to restrict it to discrete parts manufacturing. The following three main areas are addressed within ISO 23570
24、: the interconnection of sensors and actuators to the system backbone, a hybrid system backbone containing an information path (a fieldbus) and a source of power to the field devices, and a power trunk capable of providing power to all the auxiliary motors in the system. Large power devices, such as
25、 spindle motors for metal removal, are not covered by ISO 23570. Machine tools described in ISO 23570 are subject to constraints imposed by national and international safety standards. ISO 23570 is intended to specify system elements that support the compliance to such standards. Figure 1 illustrate
26、s the system components addressed in ISO 23570. In the figure, the solid cable represents the power distribution bus providing three-phase a.c. power for electric motors. The open cable represents a hybrid communication bus, containing both a fieldbus communication channel and low voltage power. The
27、 centre of the figure shows a control cabinet (3) serving three sets of distribution buses. This box contains the fieldbus communication front end, the low voltage power supplies and the three-phase power supplies. To the left of the control cabinet are a motor with integrated electronics (1) and a
28、fixed speed motor with a separate motor controller (2). Both units are linked to the control cabinet by both the communication bus and the power distribution bus. To the right of the control cabinet are a fixed speed motor with an attached motor controller (4), a variable speed motor with an integra
29、ted I/O module connected to several sensors and actuators (5), and another I/O module (6) connected to several sensors and actuators, including a hydraulic/pneumatic valve. The I/O module (6) is linked to the control cabinet only by the hybrid communication bus. ISO 23570-3:2009(E) vi ISO 2009 All r
30、ights reservedIn front of the control cabinet are three more units: a motor with integrated electronics (7), another I/O module connected to several sensors and actuators including a hydraulic/pneumatic valve (8), and a remote control terminal (9). Figure 1 is intended to illustrate the variety of i
31、nterconnections possible using the elements of ISO 23570. 1 2 3 4 5 6 7 8 9Key 1 motor with integrated electronics (e.g. a stepping motor) 2 fixed speed motor with separate motor controller 3 power distribution and control cabinet 4 fixed speed motor with attached motor controller 5 variable speed m
32、otor with integrated I/O module together with sensors and actuators 6 I/O module with a set of sensors 7 motor with integrated electronics (e.g. a stepping motor) 8 I/O module connected to a set of sensors and actuators including a hydraulic/pneumatic valve 9 remote control terminal Figure 1 System
33、components addressed in ISO 23570 ISO 23570-1 provides the requirements for sensors, actuators, and I/O modules that support this system requirement. ISO 23570-2 provides the requirements for a shared communication and low voltage power distribution system. This part of ISO 23570 provides the requir
34、ements for distribution of power to the low power motor systems. While significant reduction in maintenance and operational costs may be achieved by adoption of individual parts of ISO 23570, the greatest benefit will occur only if all parts are implemented. This part of ISO 23570 provides requireme
35、nts for the distribution of power to the low power motor systems. INTERNATIONAL STANDARD ISO 23570-3:2009(E) ISO 2009 All rights reserved 1 Industrial automation systems and integration Distributed installation in industrial applications Part 3: Power distribution bus 1 Scope ISO 23570 specifies the
36、 interconnection of elements in the control system of machine tools and similar large pieces of industrial automation, including cable types, sizes and sheath colours, connector types and contact assignments, and diagnostic functions appropriate to the sensors and actuators. This part of ISO 23570 s
37、pecifies the interconnection of single-phase or three-phase auxiliary motors with their power source. ISO 23570 does not address the design or operation of such equipment with respect to safety issues. It is advisable that appropriate safety standards be consulted for such requirements. 2 Conformanc
38、e Producers of power bus cable assemblies may claim conformance to this part of ISO 23570 if they meet the requirements of Clause 5. Producers of motor controllers may claim conformance to this part of ISO 23570 if they meet the requirements of Clause 5 and the requirements of Clause 6. Producers of
39、 connectors may claim conformance to this part of ISO 23570 if they meet the requirements of Clause 5 or the requirements of Clause 6. Producers of motors and motor cable assemblies may claim conformance to this part of ISO 23570 if they meet the requirements of Clause 6. Producers of discrete part
40、manufacturing equipment may claim conformance to this part of ISO 23570 if all the components of the discrete part manufacturing equipment that are subject to the requirements of Clause 5 and/or Clause 6 meet those requirements. 3 Normative references The following referenced documents are indispens
41、able for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60529:2001, Degrees of protection provided by enclosures (IP code) ISO 23570-3:2009(E) 2 ISO
42、2009 All rights reserved4 Terms and definitions For the purposes of this document, the following terms and definitions apply. 4.1 IP code International Protection code coding system to indicate the degrees of protection provided by an enclosure against access to hazardous parts, ingress of solid for
43、eign objects, ingress of water and to give additional information in connection with such protection IEC 60529:2001 4.2 auxiliary motor motor capable of providing 5,5 kW power output or less 5 Requirements for power bus 5.1 General This part of ISO 23570 specifies a cable system capable of supplying
44、 power to auxiliary motors present in the system. Motors that power cutting spindles are outside the scope of this part of ISO 23570. All components specified by ISO 23570 shall be rated IP65 and IP67 as defined in IEC 60529. NOTE Components and systems covered by this part of ISO 23570 can also be
45、subject to requirements on EMC. 5.2 Cables and cable assemblies The cable for the power bus shall contain seven wires. The minimum cross-sectional area of a wire shall be 2,5 mm 2 . Cables shall have an outer sheath whose material is resistant to all common industry coolants. The supplier of cable a
46、ssemblies shall provide a list of lubricants and coolants that are compatible with the cable. The sheath colour shall be black. NOTE See Annex E for further elaboration of the colour specification. A cable connector meeting the requirements of 5.3 shall terminate each end of a cable assembly. One en
47、d of the cable assembly shall have a male connector; the other end shall have a female connector. Some uses of such cables may require constant flexing such as use in drag chain operation. Cables shall be characterised as to whether it is suitable for such operation. All low voltage control cables t
48、hat are not otherwise specified in ISO 23570 shall have a sheath colour of grey. 5.3 Connectors The connectors shall have a positive coupling facility ensuring that the connectors are fully mated. The coupling facility shall require either no tools or simple hand tools to couple or uncouple. Connect
49、ors shall be polarised so as to avoid incorrect mating. The contacts for the wires shall be matched in size to the cable wires to ensure physical integrity of the connection and adequate electrical conductance. The contacts for the wires shall have a current carrying capacity of 10 A or greater per contact. ISO 23570-3:2009(E) ISO 2009 All rights reserved 3 The connectors shall have six contacts plus protective earth. Table 1 provides the contact assignments for these connectors. Table 1 Contact assignment for power
