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Omron C-series manual

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Table of contents for the manual

  • Page 1

    Cat. No. W123-E1-3 Link Adapters SYSMAC C-series[...]

  • Page 2

    SYSMAC C-series Link Adapters Installation Guide Revised June 1999[...]

  • Page 3

    iv[...]

  • Page 4

    ! ! ! v Notice: OMRON products are manufactured for use according to proper procedures by a qualified operator and only for the purposes described in this manual. The following conventions are used to indicate and classify precautions in this manual. Always heed the information provided with them. Failure to heed precautions can result in injury to[...]

  • Page 5

    vi[...]

  • Page 6

    T ABLE OF CONTENTS vii PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Intended Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 General Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 7

    ix PRECAUTIONS This section provides general precautions for using the SYSMAC C-series Link Adapters and related devices. The information contained in this section is important for the safe and r eliable application of the Link Adapters. Y ou must read this section and understand the information contained befor e attempting to set up or operate the[...]

  • Page 8

    ! ! ! ! 3 Safety Precautions x 1 Intended Audience This manual is intended for the following personnel, who must also have knowl - edge of electrical systems (an electrical engineer or the equivalent). • Personnel in charge of installing F A systems. • Personnel in charge of designing F A systems. • Personnel in charge of managing F A systems[...]

  • Page 9

    ! ! ! ! ! 5 Application Precautions xi • When the 24-VDC output (service power supply to the PC) is overloaded or short-circuited, the voltage may drop and result in the outputs being turned OFF . As a countermeasure for such problems, external safety measures must be provided to ensure safety in the system. W ARNING Do not attempt to disassemble[...]

  • Page 10

    ! 5 Application Precautions xii Caution Failure to abide by the following precautions could lead to faulty operation of the Link Adapters or the system, or could damage the Link Adapters or the system. Always heed these precautions. Observe the following precautions when using the Link Adapter system. • T ighten the screws on the terminal block o[...]

  • Page 11

    1 SECTION 1 Intr oduction This document is designed to introduce the reader to the principles of Link Adapters and Repeater Units. Link Adapters and Repeater Units are connecting devices for SYSMAC C-Series Programmable Controllers. Link Adapters are used to interconnect system devices such as host computers, PC Link Units, Host Link Units, and Rem[...]

  • Page 12

    1-2 Section Link Adapters 2 1-1 Nomenclature Names of specific OMRON products, as well as generic names for groups of OMRON products, are capitalized in this manual. Unit is also capitalized when it refers either specifically or generically to an OMRON product. For convenience, prefixes are omitted from model numbers of Link Adapters and Repeater U[...]

  • Page 13

    1-4 Section General Specifications 3 1-3 Repeater Units Repeater Units are used when the number of Optical T ransmitting I/O Units, Op - tical Slave Racks, etc., connected in series exceeds 32. Insertion of a Repeater Unit after the 32nd Unit allows the connection of additional Units. The following Repeater Units are used with the cables shown here[...]

  • Page 14

    1-4 Section General Specifications 4 Repeater Units Model Function Supply voltage Operating voltage range Power consumption Weight RPT01-P , RPT01 Used when more than 32 Optical T ransmit- ting I/O Units, Slave Racks, etc., are con - nected in series. 100 to 120/200 to 240 V AC or 12 to 24 V AC/DC 85 to 264 V AC 8 V A max. 600 g max.[...]

  • Page 15

    5 SECTION 2 W iring and Power Supply 2-1 Power Supply and Cable Lengths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 RS-422 and RS-232C Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 Optical Fiber Cable (APF/PCF) . . . . . . . . . . . . . . .[...]

  • Page 16

    ! 2-2 Section RS-422 and RS-232C Cable 6 2-1 Power Supply and Cable Lengths For all but AL001 Link Adapters, connect the AC hot line to the common terminal of the Link Adapter . A fuse is internally connected to the common line. Maximum length for RS-232C cable is 15 m. For RS-422 it is 500 m, with a maxi - mum of 10 m for any given branch line. Fo[...]

  • Page 17

    2-2 Section RS-422 and RS-232C Cable 7 When using a Link Adapter , connect both RS-232C and RS-422 cable straight across, as shown in the following diagram. Here the SD terminal of the host com - puter , for example, is connected to the SD terminal of the Link Adapter . See 5-4 Link Adapter AL004-(P)E for the internal configuration of the Link Adap[...]

  • Page 18

    2-3 Section Optical Fiber Cable (APF/PCF) 8 Observe the following when soldering wires onto the connector . 1, 2, 3... 1. Place heat-shrink tubing onto all wires far enough from the end so as to not interfere with soldering. 2. Pre-solder all wires and connector terminals. 3. Solder all wires, inserting 4 mm of the exposed 5 mm of wire into the con[...]

  • Page 19

    2-4 Section Crystal Optical Fiber Cable (AGF) 9 7. Do not allow heavy objects to fall on optical cable or otherwise subject it to excessive shock or strain. 2-4 Crystal Optical Fiber Cable (AGF) Link Adapters AL005-(P)E and AL006-(P)E can be connected with crystal opti - cal fiber cable in accordance with the following specifications: Item Specific[...]

  • Page 20

    2-5 Section Backup Power Supply 10 When total transmission loss from the system is subtracted from the transmit/re - ceive dif ferential of the Link Adapters, the margin must be at least 4 dB. T o deter - mine total transmission loss, first calculate the loss over the cable by multiplying the loss/km by the total length of the cable. Then calculate[...]

  • Page 21

    2-5 Section Backup Power Supply 11 The following diagram illustrates a situation in which a 12V battery is used as a backup power supply , connected to the Link Adapter in Plant B. If there were no backup power supply in this case, then a power failure in Plant B would cut of f signal transmission between Plant A and Plant C. By connecting the back[...]

  • Page 22

    2-6 Section Link Adapter Repeater Input 12 2-6 Link Adapter Repeater Input Link Adapters AL002-(P)E and AL006-(P)E have repeater input terminals. They are used when it is necessary to be sure that power has already been turned on in a system connected to a branch line of the Link Adapter before signals are transmitted along the main line. They shou[...]

  • Page 23

    13 SECTION 3 Repeater Units[...]

  • Page 24

    3 Section Repeater Units 14 Repeater Unit RPT01-(P) must be used when the number of Optical Slave Racks, Optical T ransmitting I/O Units, I/O Link Units, and Link Adapters con- nected in series exceeds 32. Insert a Repeater Unit between the 32nd and 33rd Units. The example below shows an Optical Slave Rack and Optical T ransmit- ting I/O Units conn[...]

  • Page 25

    3 Section Repeater Units 15 Connections Dimensions[...]

  • Page 26

    17 SECTION 4 System Configuration V arious system configurations call for the use of particular Link Adapters. This section presents a number of examples which illustrate the usage of Link Adapters in PC Link Systems, Host Link Systems, Optical Remote I/O Systems, and W ired Re - mote I/O Systems. See 1-4 General Specifications for details on the f[...]

  • Page 27

    4-1 Section PC Link Systems 18 4-1 PC Link Systems It is necessary to use Link Adapters when 3 or more PC Link Units are connected in a System. A PC Link System can be connected using Link Adapter AL001 as shown in the diagram below . CPU Rack with PC Link Unit CPU Rack with PC Link Unit CPU Rack with PC Link Unit CPU Rack with PC Link Unit Link Ad[...]

  • Page 28

    4-2 Section Host Link Systems 19 4-2 Host Link Systems Link Adapters are used in Host Link Systems for branching and for converting to the type of cable required by the host computer . A Wired Host Link System can be connected using Link Adapters AL004-(P)E and AL001 as shown below . Link Adapter AL004-(P)E is used to convert be- tween RS-232C and [...]

  • Page 29

    4-3 Section Optical Remote I/O Systems 20 As shown in Example 3, more than one Optical Host Link Unit can be connected in series using optical fiber cables. However , if any failure (power failure, discon - nection, etc.) occurs in one of the Units, all the subsequent Host Link Units will also cease to operate. This can be prevented by using Link A[...]

  • Page 30

    4-3 Section Optical Remote I/O Systems 21 An Optical System with Optical T ransmitting I/O Units can be connected with crystal optical fiber cable (AGF) by using Link Adapter AL005-(P)E as shown be - low: Link Adapter AL005-(P)E CPU Rack with Optical Master Optical fiber (APF/PCF) Link Adapter AL005-(P)E Optical Slave Rack Optical T ransmitting I/O[...]

  • Page 31

    4-4 Section W ired Remote I/O Systems 22 4-4 Wired Remote I/O Systems Wired Remote I/O Master Units, Remote I/O Slave Units, and Remote T erminals can be directly connected with RS-485 cable, which has a maximum transmis - sion distance of 200 m. In order to extend the transmission distance and/or to reduce noise interference, a pair of AL007-P Lin[...]

  • Page 32

    23 SECTION 5 Dimensions and Internal Configuration 5-1 Link Adapter AL001 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 Link Adapter AL002-(P)E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3 Link Adapter AL004-(P)E . . . . . . [...]

  • Page 33

    5-1 Section Link Adapter AL001 24 5-1 Link Adapter AL001 Note Unit of measurement: mm[...]

  • Page 34

    5-2 Section Link Adapter AL002-(P)E 25 5-2 Link Adapter AL002-(P)E The Link Adapter can run on either 100/200 V AC or 12-24 V AC/DC. The repeater input terminals should be shorted across when not being used. For details on the usage of the repeater input, refer to 2-6 Link Adapter Repeater Input . For backup power supplies, see 2-5 Backup Power Sup[...]

  • Page 35

    5-3 Section Link Adapter AL004-(P)E 26 5-3 Link Adapter AL004-(P)E 0 V External line Available (Y es) Not available (No) T erminating resistance selector switch Switch Settings Set to 0 V to have the clear-to-send (CTS) signal always ON. Set to external to receive an external CTS signal. When set to ON, connects the built-in termination resistance [...]

  • Page 36

    5-4 Section Link Adapter AL005-(P)E 27 5-4 Link Adapter AL005-(P)E Use FC connecters for AGF (crystal optical fiber;) cable. AGF connecters have fixed positions for reception and transmission, so be careful to connect them cor - rectly . The Link Adapter can operate on either 100/200 V AC or 12-24 V AC/DC. For de - tails on auxiliary power supplies[...]

  • Page 37

    5-5 Section Link Adapter AL006-(P)E 28 5-5 Link Adapter AL006-(P)E Use FC connecters for AGF cable. AGF connecters have fixed positions for re - ception and transmission, so be careful to connect them correctly . This Link Adapter can operate on either 100/200 V AC or 12-24 V AC/DC. The repeater input terminals should be shorted across when not bei[...]

  • Page 38

    5-6 Section Link Adapter AL007-P 29 5-6 Link Adapter AL007-P The AL007-P is used exclusively for Wired Remote I/O Systems. It cannot be used in Optical Remote I/O Systems, nor can it be used in combination with an AL002-(P)E.[...]

  • Page 39

    31 Appendix A Standard Models Name Specifications Model Number Optical (APF/PCF) (3 connectors) 3G2A9-AL002-PE RS-422 (2 connectors), RS-232C (1 connector) 3G2A9-AL003-E Optical (APF/PCF), RS-422, RS-232C (1 conn. each) 3G2A9-AL004-PE Optical (APF/PCF), (AGF) (1 connector each) 3G2A9-AL005-PE Optical (APF/PCF) (1 connector), (AGF) (2 connectors) 3G[...]

  • Page 40

    Appendix A Standard Models 32 Wire Cable We recommend the following cables for RS-422, RS-232C, and RS-485 connections. Cable type Recommended Cable RS-232C CO-DS-IREVV -SX-10P x 0.18 mm2 (Hitachi Cable) RS-422 CO-HC-ESV -3P x 7/0.2 (Hirakawa Cable) RS-485 VCTF 0.75 x 2C (JIS)[...]

  • Page 41

    33 Index A application precautions, C cable connectors optical fiber cable, soldering, wire cable, wiring, CTS selector, H host computers, , connecting to, , Host Link Systems, , , , optical, wired, I I/O Link Units, , installation precautions, O operating environment precautions, optical fiber cable, applicable Link Adapters, branching, cable leng[...]

  • Page 42

    35 Revision History A manual revision code appears as a suf fix to the catalog number on the front cover of the manual. Cat. No. W123-E1-3 Revision code The following table outlines the changes made to the manual during each revision. Page numbers refer to previous version. Revision code Date Revised content 1 1990 Original production 2 September 1[...]

  • Page 43

    Cat. No. W123-E1-3 Note: Specifications subject to change without notice. Printed in Japan Authorized Distributor:[...]