Command Processing: NET_SEL Statusbit gets stuck sporadically

• Related Articles

• on network client the status bit NET_SEL is sporadically not set when the command input screen has MDI-element 'Lock list'

  Summary Issue in zenon network on client: when user opens command screen via context menu and this screen includes MDI-element 'Lock list' then sometimes the status bit NET_SEL is not set. Then as the bit is not set the buttons in the command screen ...

• In zenon Network, if the command screen can't allocate the NET_SEL status bit and gets it later, then it will not refresh the bit.

  Summary If response variable has already the status bit NET_SEL - "selected in zenon Network" - and the user opens the command screen, then he does not get the access and must wait until a user on another Network client finishes to operate this ...

• When in Command Processing by an action 'Timeout can be canceled' is activated then the NET_SEL status bit stays set for additional Timeout after action execution is completed.

  Summary Status bit NET_SEL ("selected in zenon Network") of response variable (RV) stays set for Timeout after command screen was automatically closed when 'Watchdog timeout' is elapsed, but action was not completed in the PLC, additional conditions: ...

• While a command action waits on Select response from PLC another actions - for other RV - can be executed only once - then NET_SEL stays and locks.

  Summary Issue in Command Processing blocking another response variables (RV) when a faulty or too busy IED does not react on Select command for a RV. When a device does not respond Select command, another commands - for another RV - can be executed ...

• In Command Sequencer the tooltip of the unit allocation doesn't consider a missing NET_SEL

  Summary The tooltip indicates after the unit allocation the status as allocated. If response variable has already NET_SEL (“selected in zenon Network”) status bit set, this is not indicated, E.g. when a user opens the command screen and then the ...