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INTRODUCTION
Thank you for purchasing the MELSEC-QnA Series programmable controller.
Before using the product, please read this manual thoroughly to gain an understanding of its functions so you
can use it properly.
Please forward a copy of this manual to the end user.
CONTENTS
SAFETY PRECAUTIONS..............................................................................................................................A- 1
CONDITIONS OF USE FOR THE PRODUCT .............................................................................................A- 4
REVISIONS....................................................................................................................................................A- 4
INTRODUCTION ...........................................................................................................................................A- 6
MANUAL.........................................................................................................................................................A-12
COMPLIANCE WITH EMC AND LOW VOLTAGE DIRECTIVES ...............................................................A-12
1. OVERVIEW .....................................................................................................................................1- 1 to 1-15
1.1 How to Use This Manual.........................................................................................................................1- 3
1.2 Characteristics......................................................................................................................................... 1- 4
1.3 Communication Overview.......................................................................................................................1- 9
1.3.1 Communication between the master station and remote I/O station ............................................. 1- 9
1.3.2 Communication between the master station and remote device station .......................................1-10
1.3.3 Communication between the master station and local station .......................................................1-11
1.3.4 Compound system communication .................................................................................................1-12
1.4 Number of Occupied Stations and Station Number, Number of Modules and Number of Stations ....1-13
1.5 Generic Terms and Abbreviations..........................................................................................................1-14
2. SYSTEM CONFIGURATION..........................................................................................................2- 1 to 2- 8
2.1 Total Configuration..................................................................................................................................2- 1
2.2 Applicable System...................................................................................................................................2- 2
2.2.1 Applicable CPU and number of modules that can be installed ......................................................2- 2
2.2.2 Precautions when configuring a system..........................................................................................2- 3
2.2.3 List of system equipment restricted by master/local module versions ...........................................2- 6
2.2.4 About Ver. 1.10 ................................................................................................................................2- 7
3. SPECIFICATION.............................................................................................................................3- 1 to 3-37
3.1 General Specification..............................................................................................................................3- 1
3.2 Performance Specifications....................................................................................................................3- 2
3.2.1 Maximum overall cable distance (for Ver. 1.00)..............................................................................3- 3
3.2.2 Maximum overall cable distance (for Ver. 1.10)..............................................................................3- 5
3.3 CC-Link Dedicated Cable .......................................................................................................................3- 6
3.4 I/O Signals to the Programmable Controller CPU .................................................................................3- 7
3.4.1 I/O signal list .....................................................................................................................................3- 7
3.4.2 I/O signal details...............................................................................................................................3- 9