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FTP resend allowed
■Device number
Name
FTP resend allowed
■Description
Specify whether to re-transfer logging data to the FTP server when the following occurs.
An FTP communication error occurred while transferring logging data to the FTP server.
Turn on Logging control suspend request (RY7) during logging data transfer.
FPGA control was stopped while collecting logging data.
■When re-transferring
• Start logging with FTP resend allowed (RY4) ON. When to occurs, the Logging operation status monitor (RWrB)
becomes FTP transfer start waiting (5H), and logging data can be re-transferred. When Logging start request (RY3) is
turned on in this state, the transfer is executed again.
Logging operation state
monitor (RWrB)
ON
FTP resend allowed
(RY4)
FTP transfer completion flag
OFF
(RX4)
FTP transfer error completion
OFF
flag (RX5)
Performed by FPGA module
Executed by the program
(1) FTP transferring (4H)
(2) FTP transfer start waiting (5H)
(3) FTP communication error occurred
• If FTP resend allowed (RY4) is turned off while Logging operation status monitor (RWrB) is FTP transfer start waiting (5H),
Logging operation status monitor (RWrB) becomes Collection start waiting (1H). (The re-transferable state is canceled and
logging can be started.)
■When not to re-transfer
Start logging with FTP resend allowed (RY4) OFF. When to occurs, the Logging operation status monitor (RWrB)
becomes Collection start waiting (1H).
Logging operation state
monitor (RWrB)
FTP resend allowed
OFF
(RY4)
FTP transfer completion flag
OFF
(RX4)
FTP transfer error completion
OFF
flag (RX5)
Performed by FPGA module
Executed by the program
(1) FTP transferring (4H)
(2) Collection start waiting (1H)
(3) FTP communication error occurred
Device number
RY4
(1)
ON
ON
(3)
(1)
ON
(3)
ON
(2)
(2)
Appendix 1 Remote I/O Signal
A
APPX
481
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Troubleshooting
