Buffer Memory Details - Mitsubishi Electric MELSEC iQ-F FX5 User Manual

Buffer memory details

The following shows the details on the buffer memory of an FX5-OPC.
Server status (Un\G0)
The status of an OPC UA server is stored.
Value
0 or 2
1
Session status (Un\G2)
The status of OPC UA client sessions is stored.
Address
Un\G2
APPX
90
Appendix 4 Buffer Memory
Description
Stopped
Running
Bit Value
b0 to b2 0
1
2
4
b3 to b5 0
1
2
4
b6 to b8 0
1
2
4
b9 to b11 0
1
2
4
Description
Initial value
First session free, available to create a new session
First session created, but not activated yet
First session active
Initial value
Second session free, available to create a new session
Second session created, but not activated yet
Second session active
Initial value
Third session free, available to create a new session
Third session created, but not activated yet
Third session active
Initial value
Fourth session free, available to create a new session
Fourth session created, but not activated yet
Fourth session active