#Ifix scada sychronization driver#
Review the following articles regarding the driver programming interface.
#Ifix scada sychronization drivers#
Or you can use the programming interface to the GE drivers to write directly to the driver from VBA script rather than use the DB blocks.Īll the GE drivers follow the same pattern of programming interface. You would need to use Register tags (blocks) from the iFIX database - In there are Analog Register (AR), Digital Register (DR) that do not have a SCADA status. If you badly need write out from the standby SCADA, However, you can use Maintenance Mode on the primary node to temporarily suspend synchronization between the two SCADA nodes, so that you can make changes to your database while SAC is still running. Data cannot be written to a standby node you can only read data from the standby node. You cannot make database modifications to the standby node.'General Limitations' in the Enhanced Failover manual The section from 'General Limitations' in the Enhanced Failover manual is pasted below. Also, don't try to directly write to the Standby SCADA and the error will not occur
The error "Cannot write to Standby Node" is an indication that you are trying to write to the Standby SCADA (WSACTASK is paused and not running on the non active node).Īs a valid first step, change the database tag as referenced in the graphic that is generating the error from using the local nodename to use the LogicalNodename that is shared between the redundant SCADA pair.
Error on Redundant SCADA - "Cannot write to Standby Node"
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