Chapter 1 Introduction; Transition From Melsecnet (Ii) And /B To Melsecnet/H; Transition To The Q Series - Mitsubishi Electric MELSEC-A Series Manual

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INTRODUCTION
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1.1 Transition from MELSECNET (II) and /B to MELSECNET/H

1.1.1 Transition to the Q series

To replace the MELSECNET (II) and /B system with the Q series system, replace it with the
MELSECNET/H system.
For a replacement method, refer to Section 1.1.2.
The following shows the configuration of the Q series MELSECNET/H system after the transition and
the system configuration precautions at transition for each of the MELSECNET (II) and /B system
configurations.
For details, refer to CHAPTER 2 and CHAPTER 3.
Network type
Optical loop
Coaxial loop
Twisted pair
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INTRODUCTION
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2-tier/3-tier
Local station only
2-tier system Remote I/O station only
Mixture of local station and remote I/O station
Local station only
3-tier system 2-tier local station, 3-tier remote I/O station
Mixture of local station and remote I/O station
Local station only
2-tier system Remote I/O station only
Mixture of local station and remote I/O station
Local station only
3-tier system 2-tier local station, 3-tier remote I/O station
Mixture of local station and remote I/O station
Local station only
2-tier system Remote I/O station only
Mixture of local station and remote I/O station
Local station only
3-tier system 2-tier local station, 3-tier remote I/O station
Mixture of local station and remote I/O station
Component stations Refer to
Section 1.1.1 (1) (a)
Section 1.1.1 (1) (b)
Section 1.1.1 (1) (c)
Section 1.1.1 (1) (d)
Section 1.1.1 (1) (e)
Section 1.1.1 (1) (f)
Section 1.1.1 (2) (a)
Section 1.1.1 (2) (b)
Section 1.1.1 (2) (c)
Section 1.1.1 (2) (d)
Section 1.1.1 (2) (e)
Section 1.1.1 (2) (f)
Section 1.1.1 (3) (a)
Section 1.1.1 (3) (b)
Section 1.1.1 (3) (c)
Section 1.1.1 (3) (d)
Section 1.1.1 (3) (e)
Section 1.1.1 (3) (f)