Thank you for purchasing the Q80BD-J71LP21-25, Q81BD-J71LP21-25, Q80BD-J71LP21S-25, Q80BD-
J71LP21G, Q80BD-J71LP21GE, Q80BD-J71BR11 MELSECNET/H Interface Board.
Before using this product, please read this manual and the relevant manuals carefully and develop
familiarity with the functions and performance of the Q80BD-J71LP21-25, Q81BD-J71LP21-25, Q80BD-
J71LP21S-25, Q80BD-J71LP21G, Q80BD-J71LP21GE, Q80BD-J71BR11 MELSECNET/H Interface Board
to handle the product correctly.
SAFETY PRECAUTIONS .............................................................................................................................. A- 1
REVISIONS .................................................................................................................................................... A- 6
PRECAUTIONS FOR USE ............................................................................................................................ A-11
INTRODUCTION ............................................................................................................................................ A-12
CONTENTS .................................................................................................................................................... A-12
MANUALS ...................................................................................................................................................... A-17
HOW TO USE THIS MANUAL ...................................................................................................................... A-18
PACKING LIST............................................................................................................................................... A-21
1.1 Overview.................................................................................................................................................. 1- 1
1.2 Features .................................................................................................................................................. 1- 2
2.2 Single Network System ........................................................................................................................... 2- 3
2.2.1 Optical loop system .......................................................................................................................... 2- 3
2.2.2 Coaxial bus system .......................................................................................................................... 2- 3
2.2.3 Setting items ..................................................................................................................................... 2- 4
2.2.4 Usable device ranges ...................................................................................................................... 2- 4
2.3 Multiple Network System ........................................................................................................................ 2- 5
2.3.1 Configuration .................................................................................................................................... 2- 5
2.3.2 Setting items ..................................................................................................................................... 2- 6
2.3.3 Usable device range ........................................................................................................................ 2- 6
2.5 Operating Environment ........................................................................................................................... 2- 8
3.1 General Specifications ............................................................................................................................ 3- 1
3.2 Performance Specifications .................................................................................................................... 3- 2
A - 12
INTRODUCTION
CONTENTS
1- 1 to 1- 4
2- 1 to 2-12
3- 1 to 3- 4
A - 12