While response variable has INVALID status bit in context menu also actions which should be allowed are disabled.

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  Data quality is very important to the integrity of a HMI or SCADA system. As such, zenon has numerous ways to monitor the communication status of different devices within your automation environment. Here are some options that you can use in your ...

• BuRPVI driver: all Driver variables have invalid (I-Bit) status

  Summary All variables from object type Driver variable of the BuRPVI driver get an invalid status. No error in the diagnosis viewer logged. Description All variables from object type Driver variable of the BuRPVI driver get an invalid status. No ...

• Process Gateway IEC870Slave should map status bit ALT_VAL of variable to flag 'Substituted'

  Summary When zenon variable has ALT_VAL status bit (bit 27) the Process Gateway iec870Slave sends value changes in ASDU with quality descriptor flag IV ('invalid') or NT ('not topical'). It should send, in quality descriptor in ASDU, the flag SB - ...

• after successful command the TIMEOUT bit by response variable stays on

  Summary When before the command the RV has already the same value as CO variable, and when RV has TIMEOUT status bit, then after successfully terminated execute - the RV variable keeps the TIMEOUT bit. Description When before the command the RV has ...

• 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 ...