Specifications

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CONTENTS
CONTENTS.......................................................................................................................................................(1)
INTRODUCTION...............................................................................................................................................(4)
About Generic Terms and Abbreviations .........................................................................................................(5)
CHAPTER 1 OVERVIEW 1- 1 to 1-16
1.1 Overview.................................................................................................................................................. 1- 1
1.2 Features................................................................................................................................................... 1- 2
1.3 Abbreviations Used in the Text, Tables and Diagrams of This Manual ................................................ 1- 8
1.4 System Configuration of PLC to PLC Network ...................................................................................... 1- 9
1.4.1 Single network system................................................................................................................... 1-10
1.4.2 Multiple network system ..............................................................................................................1-11
1.4.3 Simple dual-structured system .................................................................................................... 1-12
1.5 System Configuration of Remote I/O Network ...................................................................................... 1-13
1.5.1 Single remote I/O networks ......................................................................................................... 1-14
1.5.2 Multiple remote I/O network......................................................................................................... 1-15
CHAPTER 2 EXERCISE ITEMS, PARAMETERS, AND SETUP AND PROCEDURES BEFORE STARTING
THE OPERATION 2- 1 to 2- 6
2.1 Exercise Items......................................................................................................................................... 2- 1
2.2 Types of Parameter................................................................................................................................. 2- 2
2.3 Procedures Before Starting the Operation ............................................................................................. 2- 6
CHAPTER 3 ASSIGNMENT I (CYCLIC TRANSMISSION) 3- 1 to 3-30
3.1 System Configuration of Exercise .......................................................................................................... 3- 1
3.2 Component Names and Settings of Network Module (QJ71LP2–25) .................................................. 3- 2
3.3 Standalone Check of the Network Module (Offline Tests) .................................................................... 3- 5
3.3.1 Self-loopback test ......................................................................................................................... 3- 6
3.3.2 Internal self-loopback test............................................................................................................. 3- 7
3.3.3 Hardware test................................................................................................................................ 3- 8
3.4 Cable Connection.................................................................................................................................... 3- 9
3.5 Write Operation to CPU Module ............................................................................................................3-10
3.5.1 Starting GX Developer................................................................................................................. 3-10
3.5.2 Reading of sequence program.................................................................................................... 3-11
3.5.3 Specifying the connection target ................................................................................................. 3-12
3.5.4 Writing of sequence program ...................................................................................................... 3-13
3.6 Setting the Parameters .......................................................................................................................... 3-14
3.6.1 Setting the network module......................................................................................................... 3-15
3.6.2 Setting the parameters using a peripheral device ...................................................................... 3-16
3.7 Cable Connection Status Check............................................................................................................ 3-19
3.7.1 Station-to-station test ...................................................................................................................3-19
3.7.2 Forward loop/reverse loop test.................................................................................................... 3-21
3.8 Network Diagnostics from the Peripheral Device (Online Tests) ......................................................... 3-23
3.8.1 Loop test (optical loop system only)............................................................................................3-24
3.8.2 Setup confirmation test................................................................................................................ 3-25
3.8.3 Station order check test (optical loop system only) ....................................................................3-26
3.8.4 Communication test ..................................................................................................................... 3-27
3.9 Sequence Program ................................................................................................................................ 3-28