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Omron master control units, srm1(-v2) 5-4-5 Reading/Clearing Error Messages

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5-4SectionError Processing

74

FALS(07) is an instruction that causes a fatal error. The following will occur when

an FALS(07) instruction is executed:

1, 2, 3... 1. Program execution will be stopped and outputs will be turned OFF.

2. The ERR indicator on the SRM1 will be lit.

3. The instruction’s 2-digit BCD FALS number (01 to 99) will be written to

SR 25300 to SR 25307.

The FALS numbers can be set arbitrarily to indicate particular conditions. The

same number cannot be used as both an FAL number and an FALS number.

To clear an FALS error, switch the SRM1 to PROGRAM Mode, correct the cause

of the error, and then clear the error using the Programming Console.

MESSAGE – MSG(46) MSG(46) is used to display a message on the Programming Console. The mes-

sage, which can be up to 16 characters long, is displayed when the instruction’s

execution condition is ON.

5-4-5 Reading/Clearing Error Messages

This operation is used to display and clear error messages. It is possible to dis-

play and clear non-fatal errors and MESSAGE instruction messages in any

mode, but fatal errors can be displayed and cleared in PROGRAM mode only.

RUN MONITOR PROGRAM

OK OK OK

Before inputting a new program, any error messages recorded in memory

should be cleared. It is assumed here that the causes of any of the errors for

which error messages appear have already been taken care of. If the buzzer

sounds when an attempt is made to clear an error message, eliminate the

cause of the error, and then clear the error message. (Refer to 5-7 Trouble-

shooting Flowcharts for troubleshooting information.)

Key Sequence Follow the procedure below to display and clear messages.

1, 2, 3... 1. Press the CLR Key to bring up the initial display.

2. Press the FUN and then the MONTR Key to begin the operation. If there are

no messages, the following display will appear:

AND MONTR ERR/MSG CHK OK

If there are messages, the most serious message will be displayed when the

MONTR Key is pressed. Pressing MONTR again will clear the present mes-

sage and display the next most serious error message. Continue pressing

MONTR until all messages have been cleared. These are some examples

of error messages:

A memory error:

MONTR MEMORY ERR

A system error:

MONTR SYS FAIL FAL01

A message:

MONTR MATERIAL USED UP

All messages cleared:

MONTR ERR/MSG CHK OK

SEVERE FAILURE ALARM –

FALS(07)

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