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MELSEC-Q
APPENDICES
APPENDICES
Appendix 1 Precautions for Replacing MELSECNET/10 Remote I/O Network with
MELSECNET/H Remote I/O Network
This section describes the precautions for replacing MELSECNET/10 remote I/O
network for the AnUCPU and QnACPU with MELSECNET/H remote I/O network for
the QCPU.
(1) Use of only one type of network module
MELSECNET/H network modules and MELSECNET/10 network modules
cannot be used together in a system.
Use only MELSECNET/H remote I/O modules.
Note that if a MELSECNET/H remote I/O module is set in MELSECNET/10
mode, the module is used as a MELSECNET/10 remote I/O station.
(2) Switch settings
The network number setting switches and condition setting switches of
MELSECNET/10 network modules do not exist on MELSECNET/H network
modules.
Configure these settings in network parameters.
(3) Correction of remote master station network parameters
The network parameters for the remote master station require the corrections
described in (2) above.
(4) Setting of parameters to remote I/O station
• The I/O assignment 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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