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MELSEC-Q
APPENDIX
APPENDIX
Appendix 1 Precautions when Changing Over from a MELSECNET/10 Remote I/O Network
to a MELSECNET/H Remote I/O Network.
The following describes the precautions to take when switching from an AnUCPU,
QnACPU MELSECNET/10 remote I/O network to a QCPU MELSECNET/H remote
I/O network.
(1) Cannot be mixed with other network modules.
MELSECNET/10 network modules and MELSECNET/H network modules
cannot be mixed.
• MELSECNET/H remote I/O modules cannot be connected to
MELSECNET/10 master modules.
• MELSECNET/10 remote I/O modules cannot be connected to
MELSECNET/H master modules.
When changing remote I/O modules, use MELSECNET/H for all network
modules.
(2) Switch settings for network module
The network number setting switches and condition setting switches for the
MELSECNET/10 network modules are not found on the MELSECNET/H
network module.
These settings must be made by the network parameters.
(3) Correction of remote master station network parameters
The network parameters for the remote master station require the corrections
shown in (2) above.
(4) Setting of parameters to remote I/O station
• The I/O allocation settings set by the network parameters of the
MELSECNET/10 remote I/O network master module is set by the remote I/O
module PLC parameters on the MELSECNET/H remote I/O network.
• When changing the intelligent function modules mounted to the remote I/O
station, there is a need to make switch settings using the remote I/O station
PLC parameters. For details, refer to the user's manual for the intelligent
function module being used.
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