Mitsubishi Electric MELSEC-L SERIES Basic User Manual page 216

• When the cancel request is performed before sending completion
(when "2" (Sending) is set in Protocol execution status (address: 54C0
completed)
ECPRTCL instruction
Completion device
Completion device + 1
Connection No.n
Protocol cancellation specification
(54D3 (when the value of n is 1))
H
E71
Connected device
• When the cancel request is performed at sending completion
(when "2" (Sending) is set in Protocol execution status (address: 54C0
completed)
ECPRTCL instruction
Completion device
Completion device + 1
Connection No.n
Protocol cancellation specification
(54D3 (when the value of n is 1))
H
E71
Connected device
214
Waiting time
t: TCP ULP timer
to send
Send packet
Packet sending in progress is
completed without interruption.
Send packet
Waiting time
t: TCP ULP timer
to send
Send packet
Send packet
) and the sending has not been
H
1: Cancel request 2: Cancel completed
The E71 does not send a
send packet to the connected
device even when a receive
data or a protocol exists.
Cancel
) and the sending has been
H
1: Cancellation
request
The E71 does not send a
send packet to the connected
Cancel
device even when a receive
data or a protocol exists.
The device turns on
upon abnormal end.
The device
turns on upon
abnormal end.
2: Cancel
completed