Sofrel Driver Guide - State Change Status (Sofrel Point Status Attributes)

Associated with: Sofrel points

This indicates when the last state changed (see State Change Status).

For points on the Sofrel driver, the State Change Status attribute might display a common value and/or any of these driver-specific values:

Locked — This only applies to output points when using the LACBUS-RTU protocol. It is displayed if the point is locked in the outstation. A point can be locked using the Control and Lock pick action. This indicates that the point can only be controlled from a master station or from the outstation's web interface, it can not be controlled by process control programs in the outstation.
Not Locked — This only applies to output points when using the LACBUS-RTU protocol. It is displayed if the point is not locked in the outstation. A point can be unlocked using the Unlock pick action. This indicates that the point can be controlled from anywhere, including process control programs in the outstation.
Alarm Raised in Outstation — This only applies to digital input points. It is displayed if an alarm occurs in the outstation for the point, see Display Alarm Log.
Alarm Cleared in Outstation — This only applies to digital input points. It is displayed if an alarm is cleared in the outstation for the point, see Display Alarm Log.