Overview Alarm display

Block function block for the control element Block Alarm; the control element must be connected with this function block. See Block Presence.

This function block implements an alarm display. Errors are buffered by this block so that errors that have occurred can also be displayed in the visualization later, even when the error is no longer present. This block is connected with the control element Alarm display. To create this block, right-click on the control element and select the block.


Inputs

AT
 Alarm trigger
 Alarm input. The alarm message is connected to this input; how an alarm is triggered can be set with the parameter Trigger Alarm.
AR Alarm reset With a positive edge at this input, the counter for alarms is reset.
WT Warning trigger Warning input. With a positive edge the counter for warnings is incremented and the status is set to warning active. With a negative edge the status is set to warning inactive.
WR Warning reset With a positive edge at this input, the counter for warnings is reset.

Outputs
AS
 Alarm status
 Current status. 0=no alarm, 1=alarm, 2= alarm was present
AZ
 Alarm count
 Number of alarms
WS Warning status Current status. 0=no warning, 1=warning active
WZ Warning count Number of warnings

Parameters
Trigger Alarm
  • Rising edge: Alarm on change at the input 0-1.
  • Falling edge: Alarm on change at the input 1-0.
  • On change: Alarm on change at the input.
  • On telegram 1: Alarm on receipt of a telegram with the value 1.
  • On telegram 0: Alarm on receipt of a telegram with the value 0.
  • On every telegram: Alarm on receipt of every telegram.

For the telegram type, only telegrams with the WRITE command are evaluated, no feedbacks.



See also common parameters of all function blocks.