Program Examples Using Automatic Refresh - Mitsubishi Electric Melsec Q Series User Manual
Profibus-dp master module
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- User manual (834 pages) ,
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7
PROGRAMMING
7.1.1 Program examples using automatic refresh
This section explains a program for the case where the QJ71PB92V communicates with
DP-Slaves using automatic refresh.
Program examples in this section are based on the system configuration example shown
in Section 7.1.
(1) Setting automatic refresh parameters
Set the I/O data refresh target.
Set the refresh target in
the Slave status area.
Enable the auto-refresh function.
(The auto-refresh parameters
are written to the QCPU at the
time of parameter writing.)
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7.1 I/O Data Exchange Program Examples
7.1.1 Program examples using automatic refresh
Enable the automatic refresh parameters and the data consistency function.
The figure below shows the case that automatic refresh parameters are set by "Block
Transfer".
<Auto-refresh parameters>
Figure 7.5 Automatic Refresh Parameter Setting Example
Enable the data consistency function.
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