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7. AUTO REFRESH FUNCTION
(2) Precautions
(a) Auto refresh of the CC-Link is available when the QnACPU and the CC-Link
module with function version "B" are used.
When either of the QnACPU or the CC-Link module does not indicate function
version "B," auto refresh of the CC-Link is not available.
(b) Auto refresh can be set to up to 8 CC-Link modules.
When 9 or more CC-Link modules are used, handle with the FROM/TO
instruction of the sequence program for the 9th module or later.
(c) When both the CC-Link module and the master station module for
MELSECNET/MINI-S3 are loaded and auto refresh is not set, the default
parameter is set to the master station module for MELSECNET/MINI-S3.
(d) The COM instruction or the G(P). ZCOM instruction allows auto refresh to the
CC-Link module while performing the sequence program.
However, auto refresh to the CC-Link module cannot be performed with the
J(P).ZCOM instruction. Error code "4102" (The network number designated with
the dedicated network instruction does not exist) appears.
(e) Refresh operation for the mixture of MELSECNET (/10, /II) and MELSECNET/
MINI-S3.
• Refresh is performed in the order of MELSECNET (/10, /II), CC-Link and
MELSECNET/MINI-S3.
Therefore, the input data specifying the same range is afterward overwritten
with the executed data.
• The output data is output to the MELSECNET (/10, /II), CC-Link, and
MELSECNET/MINI-S3.
(f) The operation of the QnACPU when the CC-Link module is in the online/offline
mode is shown in the table below:
(g) Auto refresh setting to the CC-Link is performed using the following peripheral
devices.
• Personal computer:
GX Developer, SW2IVD-GPPQ type GPP function software package
Parameter settings
for auto refresh
CC-Link module
status
Operation of the QnACPU
Set
Online
The communications with the remote station is
performed with the specified parameter for
auto refresh.
Offline
The QnACPU does not generate an error, but
does not communicate with the remote station.
Not set
Online
The communications with the remote station is
performed by the FROM/TO instruction.
Offline
The QnACPU does not generate an error, but
does not communicate with the remote station.