Mitsubishi Electric FX5-ENET - Page 76

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APPX
Appendix 4 Buffer Memory
Open request signal
■Open request signal (Un\G154 to Un\G155)
Open request signal for each connection number of socket communication.
Socket communications receive status signal
■Socket communications receive status signal (Un\G156 to Un\G157)
Socket communication receive state signal for each connection number.
Initial status
■Initial status (Un\G158)
You can confirm whether or not FX5-ENET has been initialized.
Initial error code
■Initial error code (Un\G159)
The error codes that occur during initialization of FX5-ENET are stored. (0 is stored when communications are normal.)
For details on error code, refer to Page 57 Module error.
Same IP address state storage area
■Same IP address state storage area (Un\G201)
Same IP address state is stored.
Address bit Connection number Description
Un\G154 b0 Connection number 1 • On: Requesting open
• Off: No open request
b1 Connection number 2

b15 Connection number 16
Un\G155 b0 to b15 Connection number 17 to 32
Address bit Connection number Description
Un\G156 b0 Connection number 1 • On: Data reception completed
• Off: Data not received
b1 Connection number 2

b15 Connection number 16
Un\G157 b0 to b15 Connection number 17 to 32
Address bit Name Description
Un\G158 b0 Initial normal completion status Turns on when the initialization is normally completed.
b1 Initial abnormal completion status Turns on when the initialization is abnormally completed.
Address bit Name Description
Un\G201 b0 Same IP address detection flag Turns ON if there is a same IP address.