Replacement Of The Melsecnet/10 For A/Ans/Qna/Qnas Series With The Melsecnet/H For Q Series - Mitsubishi Electric MELSEC-A Series Manual

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INTRODUCTION
1.2 Replacement of the MELSECNET/10 for A/AnS/QnA/QnAS Series with
the MELSECNET/H for Q Series
The following shows the configuration of a MELSECNET/H network system for Q after transition and the
system configuration precautions for transition for each of the system configurations for MELSECNET/
10 network systems for A/AnS/QnA/QnAS series.
For details, refer to CHAPTER 4 REPLACEMENT OF THE MELSECNET/10 (PLC TO PLC NETWORK)
and CHAPTER 5 REPLACEMENT OF THE MELSECNET/10(REMOTE I/O NETWORK).
(1) PLC to PLC network
Pay attention to the following common precautions when replacing PLC to PLC networks.
Common precautions
1) Network parameters must be set for MELSECNET/H module of normal stations.
When replacing MELSECNET/10 module mounted on the CPU module of the AnN/AnA/AnSCPU
(excluding AnUS(H)CPU), newly set network parameters.
(a) Optical loop system
MELSECNET/10
Optical loop
1M
P
1N 2 Network 1 1N
S
1N
S
(b) Coaxial bus system
MELSECNET/10
Coaxial bus
1M 1
P
Network 1
1N 2 1N
S
MELSECNET/H
Optical loop
1
4 1N 2
S S
3
MELSECNET/H
Coaxial bus
1M 1
P
3 1N 4 1N
S S
System configuration precautions
The following item is provided in addition
to common precautions (1) above.
1M 1
P
• When mixing with MELSECNET/10
modules for A/AnS/QnA/QnAS series,
Network 1 1N 4
S
set the MELSECNET/10 mode (control
station) or MELSECNET/10 mode
1N 3
(normal station) as the network type.
S
System configuration precautions
The following item is provided in addition
to common precautions (1) above.
• When mixing with MELSECNET/10
modules for A/AnS/QnA/QnAS series,
Network 1
set the MELSECNET/10 mode (control
station) or MELSECNET/10 mode
2 1N 3 1N 4
S S S
(normal station) as the network type.
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