User`s guide

Appendix C - Alarm Configuration Overview
Alarms Configuration Overview
256 UMC800 Control Builder User’s Guide Release E
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Alarms Configuration Overview
Introduction
There are a variety of analog alarm blocks that can be selected:
• High and Low Monitor blocks (for High and Low alarms only)
• Analog Alarm block (for Hi, Lo and Dev with programmable On time and latching)
• System Alarm (for common alarm output - Unack’d alarms active, alarm active)—See Figure 72.
• PID has 2 alarms with 2 limits each for Hi/Lo and Dev
• All analog alarm blocks PID alarms have configurable hysteresis
• Digital signal tags reference alarms to alarm displays
• Any digital output may be assigned to be an alarm
• Alarms are assigned to “alarm groups”
• Dedicated Alarm button on Operator Interface
• Alarms are ACK’d by group at operator interface
Configuration overview
Figure 70 is an overview of how the alarms can be configured.
Digital status
assigned to
alarm
Analog varaiable
for alarm setpoint
Figure 70 Alarms configuration overview