Open Procedure - Mitsubishi Electric MELSEC-L SERIES Basic User Manual

7.3.2

Open procedure

The open/close processes are performed by the procedures described below, according to the Ethernet operation
setting.
(1) When "Always wait for OPEN (Communication possible at STOP time)" is
selected for the Ethernet operation setting
After the E71-connected station is started up, the connection in UDP/IP communications automatically opens and
data sending/receiving are enabled. Creating open/close processing programs is not required.
When open/close processes are performed from the E71 side using a dedicated instruction with "Always wait for OPEN
(Communication possible at STOP time)" set in the Ethernet operation setting, all open/close processes with the subsequent
connected devices must be performed in a program.
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