Mitsubishi Electric MELSEC iQ-RJ71EN71 User Manual page 93

(0) The refresh processing of the module label is performed. (The processing is required for when using the module function block.)
When the refresh processing is completed, 'bRunRefresh' (M0) is turned on.
(56) When 'bStartOpen' (M1) is turned on, the open processing of connection No.1 is performed.
When the open processing is completed successfully, 'bOpen_OK' (M3) is turned on.
(252) When 'bStartSend' (M5) is turned on, the send data is stored and sent to the receiving side.
When the data send is completed successfully, 'bSend_OK' (M7) is turned on.
(341) When 'bStartClose' (M13) is turned on, the close processing of connection No.1 is performed.
When the close processing is completed successfully, 'bClose_OK' (M15) is turned on.
1 FUNCTIONS
1.5 Communications Using the Fixed Buffer
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