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MELSEC-Q
7 PARAMETER SETTING
(2) KeepAlive
function
(a) KeepAlive
1) Set whether the KeepAlive function will be used or not.
Setting name
Setting
Not used
KeepAlive function is not used
Used
KeepAlive function is used
2) No setting is required when the default value is used.
(b) KeepAlive start timer value
1) Set the time interval from the stop of communication with the target
device to the start of alive check for the TCP connection opened with
KeepAlive valid.
2) No setting is required when the default value is used.
(c) KeepAlive interval timer value
1) Set the alive recheck interval time for the case that no response from
the target device can be received through the TCP connection opened
with KeepAlive valid.
2) No setting is required when the default value is used.
(d) KeepAlive resend count
1) Set how many times the KeepAlive check message will be resent to
the target device when no response can be received through the TCP
connection opened with KeepAlive valid.
2) No setting is required when the default value is used.