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Omron master control units, srm1(-v2) Connection Devices

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Appendix AStandard Models

95

CPM1A/CPM2A I/O Link Unit

Model Specifications

CPM1A-SRT21 8 inputs, 8 outputs

Exchanges data with CPM1A/CPM2A CPU Unit.

Note All the above models support both high-speed and long-distance communications modes.

Connection Devices

Communications Cables

Model Specifications

Commercially available VCTF cable (JIS C3306), 0.75 mm2 x 2 conductors

SCA1-4F10 Special Flat Cable, 100 m, 0.75 mm2 x 4 conductors

Specified Communications Cables

Model Manufacturer Comments

#9409 Belden USA manufacturer

Note The electrical characteristics of the above cable are the same as those of the following: VCTF cable (JIS

C3306), 0.75 mm2 x 2 conductors. It can thus be used with the same specifications as the VCTF cable listed

above.

Connectors and Terminal Blocks

Name Model Comments

Branch Crimp Connector SCN1-TH4 Connector used to branch from the main line. Can be used only

on the Special Flat Cable.

Extension Crimp Connector SCN1-TH4E Used to extend the Special Flat Cable.

Terminating Resistor Crimp

Connector SCN1-TH4T A connector equipped with terminating resistance. Can be used

only on the Special Flat Cable.

Terminal-block Terminator SRT1-T A terminal block equipped with terminating resistance. Can be

used either on the Special Flat Cable or VCTF cable.

SRM1 RS-232C Port Connecting Cable

Model Name Specifications

CQM1-CIF02 Peripheral Port Conversion Cable For connecting IBM PC/AT compatible

computers. (Cable length: 3.3 m)

RS-422 Adapter

Model Name Specifications

CPM1-CIF11 RS-422 Adapter For level conversion between the

Peripheral Port and RS-422

Link Adapters

Model Name Specifications

NT-AL001 Link Adapter One RS-232C connector and one

RS-422 terminal block.

Power supply: 5 VDC; 150 mA

Contents

Main Page v Notice: DANGER WARNING OMRON Product References Visual Aids TABLE OF CONTENTS Page ix About this Manual: WARNING xi PRECAUTIONS 3Safety Precautions xii 1 Intended Audience 2 General Precautions WARNING 3 Safety Precautions WARNING 4 Operating Environment Precautions 5 Application Precautions WARNING xiv xv SECTION 1 Introduction 1-1SectionSRM1 Features and Functions 2 1-1 SRM1 Features and Functions 1-1-1 Features 1-1-2 Functions 1-2 System Configuration 1-2-1 Basic Configuration 1-2-2 SRM1 Models 1-2-3 Peripheral Connections Page 1-3SectionProcedures From System Design to Test Operation 7 1-3 Procedures From System Design to Test Operation 1-4SectionI/O and Data Area Allocations 8 1-4 I/O and Data Area Allocations 1-4-1 I/O Allocations 1-4SectionI/O and Data Area Allocations 9 1-4-2 Data Area Allocation Page 2-1 Specifications 2-1-1 General Specifications 2-1-2 Characteristics 2-1-3 CompoBus/S Communications Specifications 2-2SectionUnit Components 15 2-2 Unit Components 2-2SectionUnit Components 16 SECTION 3 Installation and Wiring 3-1SectionSystem Design 18 3-1 System Design 3-1-1 Power Supply Wiring 3-1-2 Interlock and Limit Circuits 3-1-3 Power Supply Sequence 3-2SectionSelecting an Installation Site 3-2 Selecting an Installation Site 3-2-1 Installation Site Conditions 3-2-2 Panel/Cabinet Installation 3-3SectionInstalling the SRM1 20 3-3 Installing the SRM1 3-3-1 Surface Installation 3-3-2 DIN Track Installation 3-4 Wiring and Connections 3-4-1 General Precautions for Wiring Page 3-4-2 Power Supply Wiring 3-4-3 CompoBus/S Transmission Line Wiring Wiring Connections Wire the CompoBus/S transmission lines as shown in the following diagram. 3-4-4 RS-232C Port Wiring Page 3-4-5 Host Link Connections Page RS-232C Port Connection Page 3-6SectionOne-to-N NT Link 30 3-5 One-to-one NT Link 3-6 One-to-N NT Link 3-7SectionOne-to-one PC Link Connections 31 3-7 One-to-one PC Link Connections 3-7-1 Basics 3-7SectionOne-to-one PC Link Connections 32 3-7-2 Restrictions 3-7-3 Cable Connections 3-7-4 PC Setup Settings SECTION 4 Using the Programming Console 4-1SectionBasic Operations 34 4-1 Basic Operations 4-1-1 Compatible Programming Consoles 4-1SectionBasic Operations 35 4-1-2 Connecting the Programming Console 4-1-3 Changing the SRM1s Mode 4-2 Programming Console Operations 4-2-1 Overview 4-2-2 Clearing Memory 4-2-3 Reading/Clearing Error Messages 4-2-4 Buzzer Operation 4-2-5 Reading UM Area Information 4-2-6 Setting Expansion Instructions 4-2-7 Setting and Reading a Program Memory Address and Monitoring I/O Bit Status 4-2-8 Instruction Search 4-2-9 Bit Operand Search 4-2-10 Inserting and Deleting Instructions 4-2-11 Entering or Editing Programs Page Page 4-2-12 Checking the Program 4-2-13 Bit, Digit, Word Monitor Page 4-2-14 Differentiation Monitor 4-2-15 Binary Monitor 4-2-16 Three-Word Monitor 4-2-17 Signed Decimal Monitor 4-2-18 Unsigned Decimal Monitor 4-2-19 Three-Word Data Modification 4-2-20 Changing Timer, Counter SV 4-2-21 Hexadecimal, BCD Data Modification 4-2-22 Binary Data Modification 4-2-23 Signed Decimal Data Modification 4-2-24 Unsigned Decimal Data Modification 4-2-25 Force Set, Reset 4-2-26 Clear Force Set/Reset 4-2-27 Hex-ASCII Display Change 4-2-28 Displaying the Cycle Time SECTION 5 Test Runs and Error Processing 5-1SectionStartup Procedure 60 5-1 Startup Procedure 5-1-1 Flowchart for Configuring and Checking the System Check the following items when configuring the system. 5-1-2 SRM1 Test Run Procedure 5-1SectionStartup Procedure 5-1-3 Flash Memory Precautions 5-2 Entering the Program 5-2-1 Before Programming 5-2-2 Clearing Memory Page 5-2-3 Ladder Programming Example Page Page Ladder Program Following the sequence program and I/O allocation, create the ladder program. 5-2-4 Writing the Program Page Page 5-3SectionTest Run 71 5-2-5 Checking the Program 5-3 Test Run 5-4 Error Processing 5-4-1 Non-fatal Errors 5-4-2 Fatal Errors 5-4-3 Identifying Errors 5-4-4 User-defined Errors 5-4-5 Reading/Clearing Error Messages 5-6SectionProgramming Errors 75 5-5 Programming Console Operation Errors 5-6 Programming Errors 5-6SectionProgramming Errors 76 5-7 Troubleshooting Flowcharts Use the following flowcharts to troubleshoot errors that occur during operation. Main Check Page Fatal Error Check Non-fatal Error Check CompoBus/S Transmission Error Check Environmental Conditions Check SECTION 6 Expansion Memory Unit 6-1SectionOverview 84 6-1 Overview 6-1-1 Memory Areas 6-1-2 Precautions 6-2SectionSpecifications and Nomenclature 85 6-2 Specifications and Nomenclature 6-2-1 Specifications 6-2-2 Nomenclature Note The PLC in the DOWNLOAD TO PLC Button indicates PCs (Programmable Controllers). 6-3 Handling 6-3-1 Mounting/Removing EEPROM 6-3-2 PC Connections 6-3-3 Uploading Programs 89 Operation Procedure Note 6-3-4 Downloading Programs Page 91 Operation Procedure Note Appendix A Standard Models Remote Terminals Connector Terminals Remote I/O Terminals Note The above model does not support long-distance communications mode. Note The above models do not support long-distance communications mode. Sensor Amplifier Terminals Connection Devices Communications Cables Specified Communications Cables Connectors and Terminal Blocks SRM1 RS-232C Port Connecting Cable Link Adapter for IBM PC/AT-compatible Computers Peripheral Devices Appendix B External Dimensions The external dimensions of the SRM1 are as shown in the following diagram. Glossary Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Index AB C D E F H I LM N OP RS TW 119 Revision History Cat. No. W318-E1-4