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MELSEC-Q
5 FUNCTIONS
<Operation of KeepAlive function>
Message
KeepAlive
interval
timer
KeepAlive
start
timer
Error
QJ71MT91
MODBUS /TCP
target device
R
Stop
ACK
<KeepAlive resend count: 3 times>
KeepAlive message
KeepAlive message
KeepAlive message
KeepAlive message
Timeout
Start
Start
Start
Start
Timeout
Start
Start
Timeout
(Alive check error)
Timeout
Timeout
Message
Message
Message
Message
Message
Message
Message
Message
Message
Message
Message
Message
Message
Message
Message
Message
Содержание QJ71MT91
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Страница 278: ...App 1 App 1 MELSEC Q APPENDICES APPENDICES Appendix 1 External Dimensions Unit mm in 27 4 1 08 90 3 54 98 3 86 APP ...
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