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MELSEC-Q
6 PROGRAMMING
6.3.2 Programming example without using the utility package
POINT
The dedicated instructions used for reading/writing the buffer memory of the
intelligent function module on a remote I/O station (REMTO and REMFR) are the
execution type for which several scans are needed. Therefore, transmissions of
the execution results are not synchronized with the I/O signal operations. When
reading a digital output value on an A/D converter module after changing the
operating condition during operation, be sure to read the A/D conversion completed
flag (buffer memory address 10) at the same time.
Also, for the case of changing the operating condition, insert an interlock to prevent
the execution of the REMFR instruction.
(1) Operating GX Developer (CPU parameter setting)
• Network type : MNET/H (Remote master)
• Starting I/O No. : 0000
H
• Network No. : 1
• Total stations : 1
• Mode : Online
• Network range assignment :
• Refresh parameters :
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