Honeywell VRX180 user manual Access Summaries, Display alarm summary

Online Operation Using Menus

7.3 Access Summaries

Summaries are available for all points, alarms and diagnostics in the instrument.

Display alarm summary

Alarms are set up as part of the instrument configuration procedure (Section 4.13). Up to 12 alarms can be configured.

An alarm can be assigned to any analog data point (Analog Input, Analog Output, or Calculated Value) and can be one of these types.

Alarm type	Function
HIGH	Alarm when input value > setpoint value.
LOW	Alarm when input value < setpoint value.
DEV (Deviation)	Alarm when input value deviates above or below compare point
	value by an amount > setpoint value.
HRATE (High Rate)	Alarm when input value increases at rate > setpoint value, in units
	per minute. Negative rate setpoints are processed as positive
	values. May take up to 30 seconds to activate.
LRATE (Low Rate)	Alarm when input value decreases at rate > setpoint value, in units
	per minute. Negative rate setpoints are processed as positive
	values. May take up to 30 seconds to activate.

An alarm programmed with delay will not activate before its delay time. An alarm programmed with hysteresis will clear after its hysteresis delay.

The alarm will remain active as long as the conditions causing it remain. When the conditions no longer exist, the alarm will be “cleared” automatically. “Clear” means that the indicators for the particular alarm on all displays will be removed and the alarm will be removed from the Alarm Summary list.

228 Video Recorder – User Manual