Cat.No. W438-E1-01 SYSMAC WS02-CXPC1-E-V50 CS1-H, CJ1-H, CJ1M CPU Units CX-Programmer Ver.5.0 OPERATION MANUAL Function Blocks CX-Programmer Ver. 5.0 WS02-CXPC1-E-V50 CS1-H, CJ1-H, CJ1M CPU Units Operation Manual Function Blocks Produced July 2004 iv 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 people or damage to property. !DANGER !WARNING Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury, or property damage. !Caution OMRON Product References All OMRON products are capitalized in this manual. The word "Unit" is also capitalized when it refers to an OMRON product, regardless of whether or not it appears in the proper name of the product. The abbreviation "Ch," which appears in some displays and on some OMRON products, often means "word" and is abbreviated "Wd" in documentation in this sense. The abbreviation "PLC" means Programmable Controller. "PC" is used, however, in some Programming Device displays to mean Programmable Controller. Visual Aids The following headings appear in the left column of the manual to help you locate different types of information. Note Indicates information of particular interest for efficient and convenient operation of the product. 1,2,3... 1. Indicates lists of one sort or another, such as procedures, checklists, etc. OMRON, 2004 All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form, or by any means, mechanical, electronic, photocopying, recording, or otherwise, without the prior written permission of OMRON. No patent liability is assumed with respect to the use of the information contained herein. Moreover, because OMRON is constantly striving to improve its high-quality products, the information contained in this manual is subject to change without notice. Every precaution has been taken in the preparation of this manual. Nevertheless, OMRON assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained in this publication. v vi TABLE OF CONTENTS PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 3 4 Intended Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Application Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi xii xii xii xiii SECTION 1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1-2 1-3 1-4 1-5 Introducing the Function Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Function Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Converting Function Block Definitions to Library Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . Usage Procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 7 13 16 17 SECTION 2 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 2-2 2-3 2-4 2-5 2-6 2-7 2-8 Function Block Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Instance Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Restrictions on Function Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Function Block Applications Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Precautions for Instructions with Operands Specifying the First or Last of Multiple Words Instruction Support and Operand Restrictions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CPU Unit Function Block Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Number of Function Block Program Steps and Instance Execution Time . . . . . . . . . . . . . . 19 21 30 37 42 49 52 104 108 SECTION 3 Creating Function Blocks. . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 3-1 3-2 Procedural Flow. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 114 Appendices A B C Data Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Structured Text (ST Language) Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . External Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137 139 161 Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165 vii TABLE OF CONTENTS viii About this Manual: This manual describes the function blocks and related functionality of the CX-Programmer Ver. 5.0 used together with CS1-H, CJ1-H, and CJ1M CPU Units with unit version 3.0 or later, and includes the sections described on the next page. The CX-Programmer Ver. 5.0 is software that enables the personal computer to be used as a function block programming device, and can be used only for SYSMAC CS-series and CJ-series CPU Units that support function blocks. The CX-Programmer Ver. 5.0 function block functions have been enhanced. This manual describes only CX-Programmer Ver. 5.0 operations that are related to functions blocks. For operations not related to function blocks, refer to the CX-Programmer Operation Manual (enclosed, Cat. No. W437). This manual also provides only information related to function blocks for the CS1-H, CJ1-H, and CJ1M CPU Units. For other information, refer to the CS/CJ-series manuals. Please read this manual and related manuals carefully and be sure you understand the information provided before attempting to install or operate the CX-Programmer Ver. 5.0 or the CS1-H, CJ1-H, or CJ1M CPU Units. Be sure to read the precautions provided in the following section. Manuals Related to the CX-Programmer Ver. 5.0 Name SYSMAC WS02-CXPC1-E-V50 CX-Programmer Ver. 5.0 Operation Manual Function Blocks (CS1G-CPU@@H, CS1H-CPU@@H, CJ1G-CPU@@H, CJ1H-CPU@@H, CJ1M-CPU@@ CPU Units) SYSMAC WS02-CXPC1-E-V50 CX-Programmer Operation Manual Cat. No. Contents W438 Describes the functionality unique to the CX-Programmer Ver. 5.0 and CS/CJ-series CPU Units with unit version 3.0 or later based on function blocks. Functionality that is the same as that of the CX-Programmer is described in W437 (enclosed). W437 Provides information on how to use the CX-Programmer for all functionality except for function blocks. Manuals Related to the CS1-H, CJ1-H, CJ1M CPU Units Name SYSMAC CS Series CS1G/H-CPU@@-EV1, CS1G/H-CPU@@H Programmable Controllers Operation Manual Cat. No. Contents W339 Provides an outline of and describes the design, installation, maintenance, and other basic operations for the CS-series PLCs. The following information is included: An overview and features The system configuration Installation and wiring I/O memory allocation Troubleshooting Use this manual together with the W394. SYSMAC CJ Series CJ1G-CPU@@, CJ1G/H-CPU@@H, CJ1GCPU@@P, CJ1M-CPU@@ Programmable Controllers Operation Manual W393 Provides an outline of and describes the design, installation, maintenance, and other basic operations for the CJ-series PLCs. The following information is included: An overview and features The system configuration Installation and wiring I/O memory allocation Troubleshooting Use this manual together with the W394. ix Name SYSMAC CS/CJ Series CS1G/H-CPU@@-EV1, CS1G/H-CPU@@H, CJ1G-CPU@@, CJ1G/H-CPU@@H, CJ1GCPU@@P, CJ1M-CPU@@ Programmable Controllers Programming Manual Cat. No. Contents W394 Describes programming and other methods to use the functions of the CS/CJ-series PLCs. The following information is included: Programming Tasks File memory Other functions Use this manual together with the W339 or W393. W340 Describes the ladder diagram programming instructions supported by CS/CJ-series PLCs. When programming, use this manual together with the Operation Manual (CS1: W339 or CJ1: W393) and Programming Manual (W394). W342 Describes the communications commands that can be addressed to CS/CJ-series CPU Units. The following information is included: C-series (Host Link) commands FINS commands Note: This manual describes commands that can be sent to the CPU Unit without regard for the communications path, which can be through a serial communications port on the CPU Unit, a communications port on a Serial Communications Unit/Board, or a port on any other Communications Unit. SYSMAC CS/CJ Series CS1G/H-CPU@@-EV1, CS1G/H-CPU@@H, CJ1G-CPU@@, CJ1G/H-CPU@@H, CJ1GCPU@@P, CJ1M-CPU@@ Programmable Controllers Instructions Reference Manual SYSMAC CS/CJ Series CS1G/H-CPU@@-EV1, CS1G/H-CPU@@H, CS1W-SCB21-V1/41-V1, CS1W-SCU21/41, CJ1G-CPU@@, CJ1G/H-CPU@@H, CJ1GCPU@@P, CJ1M-CPU@@, CJ1W-SCU21-V1/ 41-V1 Communications Commands Reference Manual Overview of Contents Precautions provides general precautions for using the CX-Programmer Ver. 5.0. Section 1 introduces the function block functionality of the CX-Programmer and explains the features that are not contained in the non-function block version of CX-Programmer. Section 2 provides specifications for reference when using function blocks, including specifications on function blocks, instances, and compatible PLCs, as well as usage precautions and guidelines. Section 3 describes the procedures for creating function blocks on the CX-Programmer. The Appendices provide information on data types, structure text specifications, and external variables. !WARNING Failure to read and understand the information provided in this manual may result in personal injury or death, damage to the product, or product failure. Please read each section in its entirety and be sure you understand the information provided in the section and related sections before attempting any of the procedures or operations given. x PRECAUTIONS This section provides general precautions for using the CX-Programmer Ver. 5.0 and the Programmable Logic Controller. The information contained in this section is important for the safe and reliable application of the CX-Programmer Ver. 5.0 and Programmable Controller. You must read this section and understand the information contained before attempting to set up or operate the CX-Programmer Ver. 5.0 and Programmable Controller. 1 2 3 4 Intended Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Application Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xii xii xii xiii xi Intended Audience 1 1 Intended Audience This manual is intended for the following personnel, who must also have knowledge of electrical systems (an electrical engineer or the equivalent). · Personnel in charge of installing FA systems. · Personnel in charge of designing FA systems. · Personnel in charge of managing FA systems and facilities. 2 General Precautions The user must operate the product according to the performance specifications described in the operation manuals. Before using the product under conditions which are not described in the manual or applying the product to nuclear control systems, railroad systems, aviation systems, vehicles, combustion systems, medical ...